Nitrate contamination of groundwater in the alluvial fans of the Taihang Mts and Yanshan Mts

Size: px
Start display at page:

Download "Nitrate contamination of groundwater in the alluvial fans of the Taihang Mts and Yanshan Mts"

Transcription

1 (Proc. 6th International Groundwater Quality Conference held in Fremantle, Western Australia, 2 7 December 2007). IAHS Publ. 324, Nitrate contamination of groundwater in the alluvial fans of the Taihang Mts and Yanshan Mts F. D. LI 1,3, C. Y. TANG 2, Y. H. YANG 3, Q. Y. ZHANG 2, C. M. LIU 3 & W. J. ZHANG 3 1 Graduate School of Science and Technology, Chiba University, Chiba , Japan lifadong@gmail.com 2 Faculty of Horticulture, Chiba University, Chiba , Japan 3 Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, CAS, Shijiazhuang, , China Abstract Nitrate contamination in groundwater is a source of rising concern in many countries. In alluvial fans characterized by shallow water tables, fast recharge processes and short-residence ages, groundwater is frequently contaminated by nitrate. The aim of this study is to determine nitrate contamination of shallow groundwater in an alluvial fan which is influenced by human activities. The study was carried out in the alluvial fans located on the piedmont of Taihang Mts and Yanshan Mts around the North China Plain. There are several metropolises along the alluvial fans, such as Beijing (with population 13.8 million), Tianjing (10.4 million), and Shijiazhuang (over 2.0 million). Nitrate concentrations in water samples from one rainfall event and 147 randomly-elected rural residential wells and urban water supply wells in the study area were analysed over an eight year period, Data including water table elevation, well depth, EC and ph were collected in situ. Nitrate concentrations range from 0.1 to mg/l. Twenty-nine percent of 148 samples have higher nitrate concentrations than 45 mg/l, the drinking water standard set by the WHO. Spatially, nitrate contamination is found in surface waters which flow relatively slowly, such as in small lakes, sewage rivers, and small streams. For spring waters, cattle and goat manure cause high nitrate concentration. Nitrate contamination of deep groundwaters was also found occasionally on the Yanshan Mts alluvial fan, where anthropogenic activities are stronger during the development of mega-cities Beijing and Tianjin than for other cities on the Taihang Mts alluvial fan. Key words nitrate contamination; groundwater; alluvial fan; Taihang Mts; Yanshan Mts INTRODUCTION Nitrate contamination of groundwater is a common occurrence in many areas of the world and has become a major problem in some shallow aquifers. Nitrate itself is relatively non-toxic to humans and animals. However, it can be reduced to toxic nitrite under favourable conditions or by denitrifying bacteria in the upper digestive tract of some infants (Johns & Lawrence, 1973). Therefore, WHO and national governments set the drinking water standard as 10 mg/l nitrate-n (45 mg/l as NO 3 ). The alluvial fan is a general geomorphological unit in the world (Bull, 1977). Alluvial fans have plentiful water resources and have been developed as farmland, new city centres, and so on. Nitrogen in the form of dissolved nitrate is the major nutrient for vegetation. In the past 30 years, a number of nitrogenous fertilizers have been Copyright 2008 IAHS Press

2 80 F. D. Li et al. applied for higher production. Alluvial fans are recharge zones for the adjacent plain. Nitrate contamination in alluvial fans will enter into more extensive adjacent aquifer systems by lateral recharge. Kreitler (1979) first introduced studies on nitrate contamination in alluvial fans. He found that the Taylor and Lockhart gravel fan aquifers (central Texas, USA) and the Seymour gravel aquifer (west Texas) contain average nitrate concentrations of 75 and 138 mg/l, respectively. Ammonium-type fertilizer and animal wastes from livestock and domestic waste were the main nitrate sources. Some authors have discussed nitrate concentrations in groundwater in northern China. Based on investigations in 14 cities and counties from October 1993 to June 1994, located mostly in the northern part of North China Plain (NCP), Zhang et al. (1996) showed that 38 out of 69 samples had nitrate concentrations >45 mg/l. As a case study in the NCP, Hu et al. (2005) presented the detailed spatial variability of nitrate in shallow groundwater in the Quzhou county covering 667 km 2. Six of 139 wells had higher nitrate concentrations than the Chinese Drinking Quality Standard recommended limit of 45 mg/l. Similar studies were carried out in a county in southern NCP, with an area of km 2 (Liu et al., 2005). Zhao et al. (2007) surveyed nitrate concentrations of groundwater in the region around the Bohai Sea including Beijing, Tianjin, Hebei, Shanxi, Shandong, Henan, and Liaoning Provinces. Thirty-four percent of all 1139 wells had higher nitrate concentrations than the WHO drinking water standard (10 mg/l N). Concentration decreased with increasing well depth. The mean value of nitrate concentrations in shallow wells (0 10 m in depth) was 21.7 mg/l. Furthermore, nitrate contamination caused by waste irrigation (Chen et al., 2003, 2005, 2006; Tang et al., 2003, 2004) and the effects of cropping system and leaching loss on groundwater systems also have been reported at local scales or points in NCP (Kou et al., 2005; Mack et al., 2005; Zhu et al., 2005; Fang et al., 2006; Guo et al., 2006; Ju et al., 2006; Yu et al., 2006). The objective of this study is to understand the spatial variation of nitrate concentrations along alluvial fans of the Taihang Mts and Yanshan Mts, and to identify the factors impacting on nitrate concentrations. SITE DESCRIPTION The Taihang Mts and Yanshan Mts are located in the northern part of China (Fig. 1). The Taihang Mts extend from the south, near the Yellow River to the north to connect with the Yanshan Mts. These two mountains surround the biggest plain the North China Plain in China. Many alluvial fans distribute along the Taihang Mts with a regional groundwater flow direction from west to east, and along the Yanshan Mts with a flow direction from north to south (Fig. 1). The area has a monsoon climate. The average yearly precipitation varies from 350 to >1000 mm in the high mountain areas, and the potential evaporation exceeds 1600 mm in most regions. As population and the development of economy and agriculture increase, groundwater level decreases significantly and surface water pollution is becoming more and more serious. Consequently, local residents and agriculture become more and more dependent on groundwater. Over 80% of drinking water in the big cities, such as Beijing, Tianjin, Shijiazhuang, Baoding, Hengshui and Xinxiang, are sourced from the upper reservoirs or are supported by exploitation from groundwater aquifers.

3 Nitrate contamination of groundwater in the alluvial fans of the Taihang Mts and Yanshan Mts 81 Fig. 1 Location of sample sites and the Taihang Mts and Yanshan Mts. J** designated samples of Jica , c** cbh2003, x** xx2006, n** swnt2006. METHODS The location of the 148 sampling sites, which were taken from precipitation, surface waters (rivers and reservoirs), spring waters, and groundwaters (shallow and deep) during several surveys in north China, from 1998 to 2006, are shown in Fig. 1. Well depth, EC and ph were measured in situ (except those taken in 2000), and 100 ml of

4 82 F. D. Li et al. water was sampled. Nitrate concentrations were analysed in Japan using LC-10AS (Shimadzu Liquid Chromatograph, Japan). The spatial distribution of sample locations is considered representative of the different well types, well depth and land uses for the two fans. RESULTS AND DISCUSSIONS Spatial distribution of nitrate concentrations The nitrate concentrations of all samples ranged from 0.1 to mg/l with a mean value of 42.2 mg/l and median of 23.3 mg/l (Table 1). Twenty-nine percent of all samples have higher nitrate concentrations than the Chinese Drinking Quality Standard or WHO recommended limit of 45 mg/l. Nitrate concentration in precipitation is as low as 0.57 mg/l. The results in surface waters indicate that some of them are contaminated by nitrate, with a range between 3.7 and 73.9 mg/l. The contaminated surface waters are small lakes, rivers polluted by sewage, and small streams influenced by human activities in the headwater catchment. The mean and median values in spring waters and shallow groundwaters are similar. The most likely cause is the interaction between them. The spring waters are collected from the headwater catchments in the Taihang Mts, where cattle and goats are grazed freely. Their manure is responsible for the nitrate contamination (e.g. Aravena et al., 1993; Ju et al., 2006). Shallow groundwater, with 44% of wells having nitrate concentrations higher than 45 mg/l, are also like to be contaminated by nitrogen fertilizers. Major crops are winter wheat and maize in the study areas. To gain higher yields, application of nitrogen fertilizers greatly increased after the 1980s in China. Approximately 126 kg N was applied per hectare each year during the 1980s in farmland on the alluvial fan of the Yanshan Mts. (including Beijing, Tianjian, and Tangshan). From 1991 to 1995, mean values as high Table 1 Summary of nitrate, EC, and ph in precipitation (p), deep groundwater (gd), shallow groundwater (gs), surface water (s), and spring water (sp). Items Types Samples Mean Median Minimum Maximum Std. Deviation NO 3 (mg/l) EC (µs/cm) ph Well depth (m) p s sp gs gd Total gs gd Total gs gd Total gs gd Total

5 Nitrate contamination of groundwater in the alluvial fans of the Taihang Mts and Yanshan Mts 83 as 293 kg N, i.e. 6.8 times higher than application rates in the USA, was used per hectare every year in Hebei Province, which covers most of the Taihang Mts alluvial fan in this study. Excess nitrogen will leach into the shallow groundwater with the recharge of precipitation and excess irrigation water. Nitrate concentrations in the deep groundwater are half that in the shallow groundwater. It is surprising that the highest value of mg/l in the deep groundwaters was found in a 200-m deep well, which is located on the lower reach of the Haihe River, but very possibly caused by unclear aquifer information for the investigated well. In general, the mean nitrate concentrations in the Yanshan Mts alluvial fan were appreciably higher than those in the Taihang Mts alluvial fan (Table 2). Table 2 Summary of nitrate concentration, EC, and ph in the Taihang Mts (TMs) and Yanshan Mts (YMs) alluvial fans. Items Types N Mean Median Minimum Maximum Std. Deviation NO 3 (mg/l) EC (µs/cm) ph TMs YMs Total TMs YMs Total TMs YMs Total Effects of well depth and EC on nitrate concentration Figure 2 shows how nitrate concentrations vary against well depth and EC. It shows that nitrate concentration decreases as well depth increases. Only four shallow wells were found to have nitrate contamination higher than the WHO standard in the headwater region of the Taihang Mts and Yanshan Mts. The deep and shallow groundwaters are divided according to Chen et al. (2005) who found groundwater in the NCP can be divided into two layers at 100 m depth. The nitrate concentrations in the study area scatter with a wide range between several metres and 100 m depth, whereas their variations become narrow below 100 m, except the values in four wells. In the shallow groundwater, nitrate concentrations tend to increase with EC increase. In the deep groundwater, however, this trend becomes unclear. High nitrate values are also found in lower EC conditions. Anthropogenic sources of nitrate contamination are clear. Three out of four wells are located at the Yanshan Mts alluvial fan. This region is very important for supplying vegetables to Beijing and Tianjin. Nitrogen excess is as high as 150 kg ha -1 in cropland, and a startling 1100 kg ha -1 in the vegetable growing areas (Liu et al., 2001). Nitrate is not appreciably attracted to soil particles. Hence, excess nitrogen will leach readily through the soil layer with percolating water, and recharges eventually into shallow and even deep groundwater, especially, during the flood season from June to September in the study area. In these sites, villages have no sewage treatment facilities and dispose waste either through septic tanks, cesspools, or through outhouses. Sewage and waste are the principal proved sources of nitrate contamination.

6 84 F. D. Li et al. Well depth (m) NO 3 (mg/l) gd gs EC (µs/cm) gd gs NO 3 (mg/l) Fig. 2 Nitrate concentrations vs well depths and EC values in the shallow and deep groundwaters. CONCLUSIONS The values of nitrate concentration, well depth, and EC from precipitation, spring water, surface water, and shallow and deep groundwater samples in the alluvial fans of the Taihang Mts and Yanshan Mts have been investigated during the past eight years. Low nitrate concentration in precipitation indicates that the contribution from rainfall is negligible. The spring waters in the headwaters are influenced by animal manures. Some surface waters have been contaminated by nitrate, in particular, the samples in small lakes, sewage channels and small streams. Nearly half of the shallow groundwater samples have higher nitrate concentrations than the WHO standard of 45 mg/l, whereas few deep wells exceed the limit. Excess nitrogen fertilizer application leads to higher nitrate concentrations in the shallow groundwater than those in the deep aquifer. The surveys found that several deep wells, i.e. over 100 m deep, were also contaminated by nitrate. If the EC values are over 1000 µs/cm, most of water samples have higher nitrate concentration than the WHO standard. Furthermore, more serious nitrate contamination in deep groundwaters was found in the Yanshan Mts alluvial fan where the anthropogenic activities are strong because of the development of the megacities Beijing and Tianjin than other cities in the Taihang Mts alluvial fan. More

7 Nitrate contamination of groundwater in the alluvial fans of the Taihang Mts and Yanshan Mts 85 detailed works are necessary to assess the effects of anthropogenic activities on the groundwater quality in the shallow and deep aquifers in the study area. Acknowledgements This work was supported by Grant-in-Aid for Scientific Research of Japan Society for the Promotion of Science (No ), and the Knowledge Innovation Programs of Chinese Academy of Sciences (KSCX2-YW-N ). REFERENCES Aravena, R., Evans, M. L. & Cherry, J. A. (1993) Stable isotopes of oxygen and nitrogen in source identification of nitrate from septic systems. Ground Water 31(2), Bull, W. B. (1977) The alluvial-fan environment. Prog. Phys. Geog. 1, Chen, J., Tang, C., Sakura, Y., Yu, J. & Fukushima, Y. (2005) Nitrate pollution from agriculture in different hydrogeological zones of the regional groundwater flow system in the North China Plain. Hydrogeol. J. 13(3), Chen, J., Tang, C., Shen, Y., Sakura, Y. & Fukushima, Y. (2003) Nitrate pollution of groundwater in a wastewater irrigated field in Hebei Province, China. In: Wastewater Re-use and Groundwater Quality (ed. by J. Steenvoorden & T. Endreny), IAHS Publ IAHS Press, Wallingford, UK. Chen, J., Tang, C. & Yu, J. (2006) Use of 18 O, 2 H and 15 N to identify nitrate contamination of groundwater in a wastewater irrigated field near the city of Shijiazhuang, China. J. Hydrol. 326(1-4), Fang, Q., Yu, Q., Wang, E., Chen, Y., Zhang, G., Wang, J. & Li, L. (2006) Soil nitrate accumulation, leaching and crop nitrogen use as influenced by fertilization and irrigation in an intensive wheat-maize double cropping system in the North China Plain. Plant Soil 284(1-2), Guo, H., Li, G., Zhang, D., Zhang, X. & Lu, C. A. (2006) Effects of water table and fertilization management on nitrogen loading to groundwater. Agric. Water Manage. 82(1-2), Hu, K., Huang, Y., Li, H., Li, B., Chen, D. & White, R. E. (2005) Spatial variability of shallow groundwater level, electrical conductivity and nitrate concentration, and risk assessment of nitrate contamination in North China Plain. Environ. Internat. 31(6), Johns, M. W. & Lawrence, C. R. (1973) Nitrate rich groundwater in Australia: a possible cause of methaemoglobinaemia in infants. Med. J. Australia 2(20), Ju, X. T., Kou, C. L., Zhang, F. S. & Christie, P. (2006) Nitrogen balance and groundwater nitrate contamination: Comparison among three intensive cropping systems on the North China Plain. Environ. Pollut. 143(1), Kou, C., Ju, X. & Zhang, F. (2005) Nitrogen balance and its effects on nitrate-n concentration of groundwater in three intensive cropping systems of North China. Chinese J. Appl. Ecol. 16(4), Kreitler, C. W. (1979) Nitrogen-isotope ratio studies of soils and groundwater nitrate from alluvial fan aquifers in Texas. J. Hydrol. 42(1-2), Liu, G. D., Wu, W. L. & Zhang, J. (2005) Regional differentiation of non-point source pollution of agriculture-derived nitrate nitrogen in groundwater in northern China. Agric. Ecosys. Environ. 107(2-3), Liu, H., Lei, B., Zhang, Y., Zhang, W. & Lin, B. (2001) Investigation and evaluation on nitrate pollution in groundwater of Shunyi district. Plant Nutr. Fert. Sci. 7(4), Mack, U. D., Feger, K. H., Gong, Y. & Stahr, K. (2005) Soil water balance and nitrate leaching in winter wheat-summer maize double-cropping systems with different irrigation and N fertilization in the North China Plain. J. Plant Nutr. Soil Sc. 168(4), Tang, C., Chen, J. & Shen, Y. (2003) Long-term effect of wastewater irrigation on nitrate in groundwater in the North China Plain. In: Wastewater Re-use and Groundwater Quality (ed. by J. Steenvoorden & T. Endreny), IAHS Publ IAHS Press, Wallingford, UK. Tang, C., Chen, J., Shindo, S., Sakura, Y., Zhang, W. & Shen, Y. (2004) Assessment of groundwater contamination by nitrates associated with wastewater irrigation: a case study in Shijiazhuang region, China, Hydrol. Process. 18(12), Yu, H. M., Li, Z. Z., Gong, Y. S., Mack, U., Feger, K. H. & Stahr, K. (2006) Water drainage and nitrate leaching under traditional and improved management of vegetable-cropping systems in the North China Plain. J. Plant Nutr. Soil Sci. 169(1), Zhang, W. L., Tian, Z. X., Zhang, N. & Li, X. Q. (1996) Nitrate pollution of groundwater in northern China. Agric. Ecosys. Environ. 59(3), Zhao, T., Zhang, C., Du, L., Liu, B. & An, Z. (2007) Investigation on Nitrate Concentration in Groundwater in Seven Provinces (City) Surrounding the Bo-Hai Sea. J. Agro-Env. Sci. 26(2), Zhu, A., Zhang, J., Zhao, B., Cheng, Z. & Li, L. (2005) Water balance and nitrate leaching losses under intensive crop production with Ochric Aquic Cambosols in North China Plain. Environ. Int. 31(6),

The Relation among the Water Resources Condition, Grain Production and Human Activities in the North China Plain

The Relation among the Water Resources Condition, Grain Production and Human Activities in the North China Plain 1 The Relation among the Water Resources Condition, Grain Production and Human Activities in the North China Plain KANEKO, Shinobu Graduate School of Science and Technology, Chiba University, skaneko@graduate.chiba-u.jp

More information

Challenges and Conservation Measures: Water Resources of the North China Plain. Rui Li & Xingmin Mu

Challenges and Conservation Measures: Water Resources of the North China Plain. Rui Li & Xingmin Mu Challenges and Conservation Measures: Water Resources of the North China Plain Rui Li & Xingmin Mu Paper prepared for presentation at the Water For Irrigated Agriculture And The Environment: Finding a

More information

2016 SWAT Conference Reporter: Chengchun Sun Co-worker: Shufeng Chen; Wenliang Wu

2016 SWAT Conference Reporter: Chengchun Sun Co-worker: Shufeng Chen; Wenliang Wu Nitrate leaching characteristics in a typical high-yield production area under different irrigation and fertilization management practices in the North China Plain 2016 SWAT Conference Reporter: Chengchun

More information

The nitrate contamination concern

The nitrate contamination concern Section A The nitrate contamination concern In 1974, the U.S. Congress passed the Safe Drinking Water Act (SDWA). This law required the Environmental Protection Agency (EPA) to determine the level of contaminants

More information

Rationally Utilizing Water Resources to Control Soil Salinity in Irrigation Districts

Rationally Utilizing Water Resources to Control Soil Salinity in Irrigation Districts This paper was peer-reviewed for scientific content. Pages 1134-1138. In: D.E. Stott, R.H. Mohtar and G.C. Steinhardt (eds). 2001. Sustaining the Global Farm. Selected papers from the 10th International

More information

Water Resources on PEI: an overview and brief discussion of challenges

Water Resources on PEI: an overview and brief discussion of challenges Water Resources on PEI: an overview and brief discussion of challenges Components: Components and links Atmospheric water Surface water (including glacial water) Groundwater Links: Precipitation (atm(

More information

Analysis of agricultural input-output based on Cobb Douglas production function in Hebei Province, North China

Analysis of agricultural input-output based on Cobb Douglas production function in Hebei Province, North China African Journal of Microbiology Research Vol. 5(32), pp. 5916-5922, 30 December, 2011 Available online at http://www.academicjournals.org/ajmr ISSN 1996-0808 2011 Academic Journals DOI: 10.5897/AJMR11.961

More information

Managing Soil Fertility for Sustainable Agriculture in Taihang Mountain Piedmont, North China

Managing Soil Fertility for Sustainable Agriculture in Taihang Mountain Piedmont, North China 12 Managing Soil Fertility for Sustainable Agriculture in Taihang Mountain Piedmont, North China Chunsheng Hu* Abstract Soil fertility the ability of soil reserves to supply adequate levels of essential

More information

Optimal cattle manure application rate to maximise crop yield and minimise risk of N loss to the environment in a wheat-maize rotation cropping system

Optimal cattle manure application rate to maximise crop yield and minimise risk of N loss to the environment in a wheat-maize rotation cropping system Optimal cattle manure application rate to maximise crop yield and minimise risk of N loss to the environment in a wheat-maize rotation cropping system Yongping Jing 1,2, Yan Li 1,2,4, Yingpeng Zhang 1,2,

More information

Decline of groundwater table in Beijing and recognition of seismic precursory information

Decline of groundwater table in Beijing and recognition of seismic precursory information Earthq Sci (2009)22: 301 306 301 Doi: 10.1007/s11589-009-0301-1 Decline of groundwater table in Beijing and recognition of seismic precursory information Mingbo Yang 1,2,3, Yuehu Kang 1 and Qing Zhang

More information

Impact of the September 4, 2010 Canterbury Earthquake on Nitrogen and Chloride. Concentrations in Groundwater

Impact of the September 4, 2010 Canterbury Earthquake on Nitrogen and Chloride. Concentrations in Groundwater Abstract Impact of the September 4, 2010 Canterbury Earthquake on Nitrogen and Chloride Concentrations in Groundwater Tara Seely 14/6/11 On September 4, 2010, the Canterbury region of New Zealand was hit

More information

extraction method than the type of environment to the solubility of aerosol trace elements.

extraction method than the type of environment to the solubility of aerosol trace elements. Supplement of Atmos. Chem. Phys., 15, 8987 9002, 2015 http://www.atmos-chem-phys.net/15/8987/2015/ doi:10.5194/acp-15-8987-2015-supplement Author(s) 2015. CC Attribution 3.0 License. Supplement of Concentrations

More information

Comparison of water drainage and nitrate leaching under three land use types in the North China Plain

Comparison of water drainage and nitrate leaching under three land use types in the North China Plain 1 Comparison of water drainage and nitrate leaching under three land use types in the North China Plain 2016 SWAT Conference Reporter: Sun Chengchun Co-worker: Chen Shufeng; Wu Wenliang Email: sunspringer@gmail.com

More information

Changes in Area and Quality of Cultivated Land in China

Changes in Area and Quality of Cultivated Land in China 1 Changes in Area and Quality of Cultivated Land in China Qinxue WANG* and Kuninori OTSUBO* * National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan Abstract: In this

More information

Exploitation of groundwater and environmental issues

Exploitation of groundwater and environmental issues Loughborough University Institutional Repository Exploitation of groundwater and environmental issues This item was submitted to Loughborough University's Institutional Repository by the/an author. Citation:

More information

A Case Study For Evaluating Sustainable Saline Soil Management Un exemple d évaluation de la gestion d un sol salin en vue d une agriculture durable

A Case Study For Evaluating Sustainable Saline Soil Management Un exemple d évaluation de la gestion d un sol salin en vue d une agriculture durable Scientific registration number: 2524 Symposium n : 29 Presentation: poster A Case Study For Evaluating Sustainable Saline Soil Management Un exemple d évaluation de la gestion d un sol salin en vue d une

More information

Irrigation. Branch. Groundwater Quality in the Battersea Drainage Basin

Irrigation. Branch. Groundwater Quality in the Battersea Drainage Basin AGRICULTURE, FOOD AND RURAL DEVELOPMENT Irrigation Branch Groundwater Quality in the Battersea Drainage Basin Groundwater quality in the Battersea drainage basin was monitored between 1995 and 21 to characterize

More information

Research Article Effects of Water-retention and Slow-release Fertilizers on Photosynthetic Rate of Summer Maize and Winter Wheat

Research Article Effects of Water-retention and Slow-release Fertilizers on Photosynthetic Rate of Summer Maize and Winter Wheat Advance Journal of Food Science and Technology 10(4): 292-296, 2016 DOI: 10.19026/ajfst.10.2071 ISSN: 2042-4868; e-issn: 2042-4876 2016 Maxwell Scientific Publication Corp. Submitted: February 3, 2015

More information

WATERSHED. Maitland Valley. Report Card 201

WATERSHED. Maitland Valley. Report Card 201 Maitland Valley WATERSHED Report Card 201 The Maitland Valley Conservation Authority has prepared this report card as a summary on the state of our forests, wetlands, surface water, and ground water resources.

More information

Evolution of property rights in the groundwater irrigation system and food-water security in Haihe basin, China

Evolution of property rights in the groundwater irrigation system and food-water security in Haihe basin, China 44 Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management (Proceedings of Symposium HS3006 at IUGG007, Perugia, July 007). IAHS Publ. 315, 007. Evolution

More information

A study of surface water and groundwater using isotopes in Huaishahe basin in Beijing, China

A study of surface water and groundwater using isotopes in Huaishahe basin in Beijing, China 106 Sustainability of Groundwater Resources and its Indicators (Proceedings of symposium S3 held during the Seventh IAHS Scientific Assembly at Foz do Iguaçu, Brazil, April 2005). IAHS Publ. 302, 2006.

More information

Shallow groundwater dynamics in North China Plain

Shallow groundwater dynamics in North China Plain J. Geogr. Sci. (2009) 19: 175-188 DOI: 10.1007/s11442-009-0175-0 2009 Science in China Press Springer-Verlag Shallow groundwater dynamics in North China Plain WANG Shiqin 1, * SONG Xianfang 1, WANG Qinxue

More information

Analysis on Composition and Pattern of Agricultural Nonpoint Source Pollution in Liaohe River Basin, China

Analysis on Composition and Pattern of Agricultural Nonpoint Source Pollution in Liaohe River Basin, China Available online at www.sciencedirect.com Procedia Environmental Sciences 8 (2011) 26 33 ICESB 2011: 25-26 November 2011, Maldives Analysis on Composition and Pattern of Agricultural Nonpoint Source Pollution

More information

Water resource utilization and the agricultural economy development in rural China

Water resource utilization and the agricultural economy development in rural China Int. Statistical Inst.: Proc. 58th World Statistical Congress, 2011, Dublin (Session IPS104) p.1585 Water resource utilization and the agricultural economy development in rural China Abstract:Our paper

More information

ADVANCES IN WATER SCIENCE

ADVANCES IN WATER SCIENCE 20 4 2009 7 ADVANCES IN WATER SCIENCE Vol120,No14 Jul., 2009 1, 1, 2, 1, 1, 1 (11,, 100101 ; 21, 300170) :,,, ( ),, 100 cm ; ( ),,,, : ; ; ; ; : P339 ; P33412 : A : 100126791 (2009) 0420495207,,,, [1 ],,,

More information

Impacts of Climate Change on Nitrogen Load and its Control in the Upper Huai River Basin, China

Impacts of Climate Change on Nitrogen Load and its Control in the Upper Huai River Basin, China Impacts of Climate Change on Nitrogen Load and its Control in the Upper Huai River Basin, China Xiaoying Yang xiaoying@fudan.edu.cn Department of Environmental Science & Engineering, Fudan University,

More information

Analyses for geochemical investigations traditionally report concentrations as weight per volume of the measured ions (mg/l of NO 3 , NO 2

Analyses for geochemical investigations traditionally report concentrations as weight per volume of the measured ions (mg/l of NO 3 , NO 2 Nitrate-Nitrogen 55 Nutrients The nutrients nitrogen and phosphorus occur naturally and also may be introduced to groundwater systems from urban and agricultural fertilizer applications, livestock or human

More information

WATER AND NITROGEN MANAGEMENT IN WHEAT MAIZE PRODUCTION ON THE NORTH CHINA PLAIN LWR1/1996/164

WATER AND NITROGEN MANAGEMENT IN WHEAT MAIZE PRODUCTION ON THE NORTH CHINA PLAIN LWR1/1996/164 WATER AND NITROGEN MANAGEMENT IN WHEAT MAIZE PRODUCTION ON THE NORTH CHINA PLAIN LWR1/1996/164 David Harris D.N. Harris & Associates October 2004 The Australian Centre for International Agricultural Research

More information

Nitrates in the groundwater beneath horticultural properties

Nitrates in the groundwater beneath horticultural properties Nitrates in the groundwater beneath horticultural properties Farmnote 2/95 [Reviewed July 2005] By Neil Lantzke, Horticultural Project Officer, South Perth Summary Nitrates from nitrogen fertiliser leaches

More information

groundwater. Because watersheds are complex systems, each tends to respond differently to natural or human activities.

groundwater. Because watersheds are complex systems, each tends to respond differently to natural or human activities. The private development of Altos del María is located at an altitude between 550 and 1,000 meters above sea level in the environmentally sensitive Cordillera Central of Panama that separates the Pacific

More information

Lecture 22: Groundwater Contamination I

Lecture 22: Groundwater Contamination I Lecture 22: Groundwater Contamination I Key Questions 1. What causes seawater intrusion? 2. What is the Gyben-Herzberg Relation (z = 40h) 3. Why are islands susceptible to sea-water intrusion? 4. What

More information

Assessing water resources carrying capacity based on integrated system dynamics modeling in a semiarid river basin of northern China

Assessing water resources carrying capacity based on integrated system dynamics modeling in a semiarid river basin of northern China 1057 IWA Publishing 2014 Water Science & Technology: Water Supply 14.6 2014 Assessing water resources carrying capacity based on integrated system dynamics modeling in a semiarid river basin of northern

More information

Effects of Nitrogen Application Levels on Ammonia Volatilization and Nitrogen Utilization during Rice Growing Season

Effects of Nitrogen Application Levels on Ammonia Volatilization and Nitrogen Utilization during Rice Growing Season Rice Science, 2012, 19(2): 125 134 Copyright 2012, China National Rice Research Institute Published by Elsevier BV. All rights reserved Effects of Nitrogen Application Levels on Ammonia Volatilization

More information

Challenges for the sustainable management of urban water supply and sanitation systems Case of the Thiaroye aquifer

Challenges for the sustainable management of urban water supply and sanitation systems Case of the Thiaroye aquifer Challenges for the sustainable management of urban water supply and sanitation systems Case of the Thiaroye aquifer Prof. Cheikh B. Gaye G-WADI Global Conference G-WADI more than a decade enhancing water

More information

Water Quality Evaluation and Analysis on the Causes of Pollution for Groundwater Sources in Yantai, China

Water Quality Evaluation and Analysis on the Causes of Pollution for Groundwater Sources in Yantai, China Journal of Environmental Science and Engineering A 4 (2015) 99103 doi: 10.17265/21625298/2015.02.006 D DAVID PUBLISHING Water Quality Evaluation and Analysis on the Causes of Pollution for Panpan Meng

More information

Implications of temporal change in urban heat island intensity observed at Beijing and Wuhan stations

Implications of temporal change in urban heat island intensity observed at Beijing and Wuhan stations GEOPHYSICAL RESEARCH LETTERS, VOL. 34, L05711, doi:10.1029/2006gl027927, 2007 Implications of temporal change in urban heat island intensity observed at Beijing and Wuhan stations G. Y. Ren, 1 Z. Y. Chu,

More information

Long-term change of stream water quality as a consequence of watershed development and management

Long-term change of stream water quality as a consequence of watershed development and management Long-term change of stream water quality as a consequence of watershed development and management T. Kinouchi, K. Musiake Department of Environment System Management, Fukushima University, Japan kinouchi@sss.fukushima-u.ac.jp.

More information

Utilization of water resources and its effects on the hydrological environment of the Tarim River basin in Xinjiang, China

Utilization of water resources and its effects on the hydrological environment of the Tarim River basin in Xinjiang, China Water Resources Systems Water Availability and Global Change (Proceedings of symposium HS02n held during IUGG2003 al Sapporo. July 2003). IAHS Publ. no. 280. 2003. 23 Utilization of water resources and

More information

Draft Fact Sheet Butte County Stable Isotope Recharge Study

Draft Fact Sheet Butte County Stable Isotope Recharge Study Agenda Item #4 Draft Fact Sheet Butte County Stable Isotope Recharge Study Purpose of the Study: To develop a better understanding of how various water sources contribute to recharge of Butte County groundwater.

More information

Precipitation and Soil Quality in a Small Watershed

Precipitation and Soil Quality in a Small Watershed International Proceedings of Chemical, Biological and Environmental Engineering Volume 94 of IPCBEE (2016) DOI: 10.7763/IPCBEE. 2016. V94. 8 Precipitation and Soil Quality in a Small Watershed Erdem Ahmet

More information

Alternative water sources for agricultural production in Beijing

Alternative water sources for agricultural production in Beijing 3 rd SWITCH Scientific Meeting : Belo Horizonte, Brazil 30 Nov 4 Dec 2008 Alternative water sources for agricultural production in Beijing JI Wenhua*, CAI Jianming The Institute of Geographical Sciences

More information

Nutrients, Algal Blooms and Red Tides in Hong Kong Waters. Paul J. Harrison and Jie XU

Nutrients, Algal Blooms and Red Tides in Hong Kong Waters. Paul J. Harrison and Jie XU Nutrients, Algal Blooms and Red Tides in Hong Kong Waters Paul J. Harrison and Jie XU Division of Environment, Hong Kong University of Science & Technology 1. Introduction The Pearl River is China's second

More information

Water Development and Management Strategy of China

Water Development and Management Strategy of China Water Development and Management Strategy of China Li Yuanyuan Deputy Chief Engineer, General Institute of Water Resources and Hydropower Planning and Design General Institute, MWR Abstract: Water is not

More information

Water Resources CHOIR in China

Water Resources CHOIR in China Water Resources CHOIR in China Strategic research and innovation priorities for water Liu Dengwei 水利部发展研究中心 Development Research Center of the Ministry of Water Resources of China Water Resources CHOIR

More information

2. PROFESSIONAL EXPERIENCE

2. PROFESSIONAL EXPERIENCE 1. EDUCATION Ph.D., Ecology, 1996, Institute of Applied Ecology, CAS M.S., Agro-ecology, 1988, China Agricultural University B.S., Agronomy, 1985, Shanxi Agricultural University 2. PROFESSIONAL EXPERIENCE

More information

Ecological impacts of water resources utilization in the Tarim River Basin of China

Ecological impacts of water resources utilization in the Tarim River Basin of China 236 Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management (Proceedings of Symposium HS3006 at IUGG2007, Perugia, July 2007). IAHS Publ. 315, 2007.

More information

Utilization of winter fallowed cotton fields in the Huang Huai Hai Plain 1

Utilization of winter fallowed cotton fields in the Huang Huai Hai Plain 1 Utilization of winter fallowed cotton fields in the Huang Huai Hai Plain 1 Niu Ling an, Lu Zhenyu, Yan Yong, Yang He fa, Shen Guangcheng, Zhang Shukui and Hao Jin min Quzhou Experimental Station, China

More information

WASA Quiz Review. Chapter 2

WASA Quiz Review. Chapter 2 WASA Quiz Review Chapter 2 Question#1 What is surface runoff? part of the water cycle that flows over land as surface water instead of being absorbed into groundwater or evaporating Question #2 What are

More information

Human impacts on groundwater resources in Iran

Human impacts on groundwater resources in Iran Man's Influence on Freshwater Ecosystems and Water Use (Proceedings of a Boulder Symposium, July 1995). IAHS Publ. no. 230, 1995. 141 Human impacts on groundwater resources in Iran ALI VALI-KHODJEINI Irrigation

More information

Estimates of Annual TP and TN Loading to Sylvan Lake Based on Land Use Export Coefficients

Estimates of Annual TP and TN Loading to Sylvan Lake Based on Land Use Export Coefficients Table A-21 waterbody. The phosphorus and nitrogen coefficients applied in the present study were calculated based on coefficients previously applied to other Alberta Lakes (Trew et al. 1978; Rast and.

More information

Influences of Land Use during the Puddling Period on Water Balance and Quality in a Rice Farming Area

Influences of Land Use during the Puddling Period on Water Balance and Quality in a Rice Farming Area IJERD International Journal of Environmental and Rural Development (211) 2 1 Research article erd Influences of Land Use during the Puddling Period on Water Balance and Quality in a Rice Farming Area MOHAMMED

More information

Irrigation. Branch. Crowfoot Creek Watershed Study. Why was this study conducted? How was this study conducted?

Irrigation. Branch. Crowfoot Creek Watershed Study. Why was this study conducted? How was this study conducted? AGRICULTURE, FOOD AND RURAL DEVELOPMENT Irrigation Branch Crowfoot Creek Watershed Study The Crowfoot Creek Study was conducted to determine whether agricultural practices are contributing to the deterioration

More information

Nueces River Watershed

Nueces River Watershed Name period Date assigned date due date returned Directions: You will color parts of the on the next page: 1. Trace the rivers and lakes in blue 2. Trace the outside edge of the watershed in red (it s

More information

Problems of groundwater quality related to the urban environment in Greater Cairo

Problems of groundwater quality related to the urban environment in Greater Cairo Impacts of Urban Growth on Surface Water and Groundwater Quality (Proceedings of IUGG 99 Symposium HS5, Birmingham, July 1999). IAHS Publ. no. 259, 1999. 29 Problems of groundwater quality related to the

More information

Nutrient Cycles. & how Humans impact nutrient cycling. Accel Bio. Where do energy & nutrients come from?

Nutrient Cycles. & how Humans impact nutrient cycling. Accel Bio. Where do energy & nutrients come from? Nutrient Cycles & how Humans impact nutrient cycling Accel Bio Where do energy & nutrients come from? What are nutrients? What else do organisms need to survive and grow? Organisms need, Energy, water

More information

REDUCING NITROGEN FERTILIZER USE TO MITIGATE NEGATIVE ENVIRONMENTAL IMPACT IN CHINA

REDUCING NITROGEN FERTILIZER USE TO MITIGATE NEGATIVE ENVIRONMENTAL IMPACT IN CHINA JAMES A. BAKER III INSTITUTE FOR PUBLIC POLICY RICE UNIVERSITY REDUCING NITROGEN FERTILIZER USE TO MITIGATE NEGATIVE ENVIRONMENTAL IMPACT IN CHINA BY YAO HUANG STATE KEY LABORATORY OF ATMOSPHERIC BOUNDARY

More information

RECHARGE ESTIMATION AND SUSTAINABILITY ASSESSMENT OF GROUNDWATER RESOURCES IN THE NORTH CHINA PLAIN GUOLIANG CAO

RECHARGE ESTIMATION AND SUSTAINABILITY ASSESSMENT OF GROUNDWATER RESOURCES IN THE NORTH CHINA PLAIN GUOLIANG CAO RECHARGE ESTIMATION AND SUSTAINABILITY ASSESSMENT OF GROUNDWATER RESOURCES IN THE NORTH CHINA PLAIN by GUOLIANG CAO Dr. CHUNMIAO ZHENG, COMMITTEE CHAIR Dr. RONA J. DONAHOE Dr. GEOFF R. TICK Dr. TIM MASTERLARK

More information

Sustainability of Groundwater Resources in the North China Plain

Sustainability of Groundwater Resources in the North China Plain Sustainability of Groundwater Resources in the North China Plain Jie Liu, Guoliang Cao, and Chunmiao Zheng Abstract The North China Plain (NCP) has one of the most depleted aquifers in the world due to

More information

FACTSHEET INTRODUCTION. help rebalance the water cycle, mitigate the effects of climate change and improve human health and livelihoods.

FACTSHEET INTRODUCTION. help rebalance the water cycle, mitigate the effects of climate change and improve human health and livelihoods. 1 FACTSHEET INTRODUCTION World Water Day, on 22 March every year, is about focusing attention on the importance of water. This year s theme, Nature for Water, explores nature-based solutions (NBS) to the

More information

Challenges & Opportunities in the Water Sector (Mauritius) Manta Devi Nowbuth (Dr) University of Mauritius

Challenges & Opportunities in the Water Sector (Mauritius) Manta Devi Nowbuth (Dr) University of Mauritius Challenges & Opportunities in the Water Sector (Mauritius) By Manta Devi Nowbuth (Dr) University of Mauritius The island of Mauritius Mauritius The island of Mauritius Geographical location: between longitude

More information

Isotopes in groundwater management IAEA

Isotopes in groundwater management IAEA Isotopes in groundwater management The arid zone Rainfall is low or intermittent and unreliable The need for water research is greatest because of water scarcity and growth in world population The arid

More information

Controlling Water in Nitrogen Management

Controlling Water in Nitrogen Management Controlling Water in Nitrogen Management Larry Schwankl Irrigation Specialist, UC Cooperative Extension 559-646-6569 ljschwankl@ucanr.edu Presentation will be available at: http://ucanr.edu/schwankl Irrigation

More information

6. Pollutant Sources in

6. Pollutant Sources in 6. Pollutant Sources in 45 6. Pollutant Sources in the Plum Creek Watershed The LDC analysis for Plum Creek indicates that both point and nonpoint sources contribute pollutants in the watershed. Identifying

More information

Lecture 23: Groundwater Contamination

Lecture 23: Groundwater Contamination Lecture 23: Groundwater Contamination Key Questions 1. What are some examples of point sources of groundwater contamination? 2. What are some examples of non-point sources of groundwater contamination?

More information

Manifesto from the Workshop Climate Change Impacts on Groundwater

Manifesto from the Workshop Climate Change Impacts on Groundwater Manifesto from the Workshop Climate Change Impacts on Groundwater EU Working Group C workshop October 12th, Warsaw A workshop on Climate Change Impacts on Groundwater was held in Warsaw under the umbrella

More information

Effect of Conjunctive Use of Water for Paddy Field Irrigation on Groundwater Budget in an Alluvial Fan ABSTRACT

Effect of Conjunctive Use of Water for Paddy Field Irrigation on Groundwater Budget in an Alluvial Fan ABSTRACT 1 Effect of Conjunctive Use of Water for Paddy Field Irrigation on Groundwater Budget in an Alluvial Fan Ali M. Elhassan (1), A. Goto (2), M. Mizutani (2) (1) New Mexico Interstate Stream Commission, P.

More information

G4: GEOGRAPHY REVISION Theme 2: Sustainable Water Supply

G4: GEOGRAPHY REVISION Theme 2: Sustainable Water Supply G4: GEOGRAPHY REVISION Theme 2: Sustainable Water Supply What physical factors determine the supply of water? Water supply in the UK Plentiful supply of surface run-off and precipitation in the North and

More information

Irrigation and Fertilizer Management to Minimize Nitrate Leaching in Avocado Production

Irrigation and Fertilizer Management to Minimize Nitrate Leaching in Avocado Production Proc. of Second World Avocado Congress 1992 pp. 331-335 Irrigation and Fertilizer Management to Minimize Nitrate Leaching in Avocado Production Marylynn V. Yates, David E. Stottlemyer, and Jewell L. Meyer

More information

MURPHY DRAIN CATCHMENT

MURPHY DRAIN CATCHMENT The RVCA produces individual reports for 16 catchments in the Lower Rideau subwatershed. Using data collected and analysed by the RVCA through its watershed monitoring and land cover classification programs,

More information

Impact analysis of the decline of agricultural land-use on flood risk and material flux in hilly and mountainous watersheds

Impact analysis of the decline of agricultural land-use on flood risk and material flux in hilly and mountainous watersheds Proc. IAHS, 370, 39 44, 2015 doi:10.5194/piahs-370-39-2015 Author(s) 2015. CC Attribution 3.0 License. Impact analysis of the decline of agricultural land-use on flood risk and material flux in hilly and

More information

Effects of Burning Crop Residues on Soil Quality in Wenshui, Shanxi of China

Effects of Burning Crop Residues on Soil Quality in Wenshui, Shanxi of China IJERD International Journal of Environmental and Rural Development (212) 3-1 Research article erd Effects of Burning Crop Residues on Soil Quality in Wenshui, Shanxi of China LIEXIANG LI Graduate School

More information

Nitrate in groundwater of the midwestern United States: a regional investigation on relations to land use and soil properties

Nitrate in groundwater of the midwestern United States: a regional investigation on relations to land use and soil properties Impact of Land-Use Change on Nutrient Loads from Diffuse Sources (Proceedings of IUGG 99 Symposium HS3, Birmingham, July 1999). IAHS Publ. no. 257, 1999. Ill Nitrate in groundwater of the midwestern United

More information

GROUNDWATER AND GENEVA LAKE

GROUNDWATER AND GENEVA LAKE GROUNDWATER AND GENEVA LAKE INTRODUCTION For years it was assumed that groundwater was a significant source of water to Geneva Lake. Local folklore once contended that the water in Geneva Lake came all

More information

Research on Sustainable Utilization of Shallow Geothermal Resources in Beijing, China

Research on Sustainable Utilization of Shallow Geothermal Resources in Beijing, China Proceedings World Geothermal Congress 2015 Yu Yuan, China, 19-25 April 2015 Research on Sustainable Utilization of Shallow Geothermal Resources in Beijing, China Yu Yuan, Zheng Jia and Zou Yuanlin China

More information

Research on quality changes and influencing factors of groundwater in the Guanzhong Basin

Research on quality changes and influencing factors of groundwater in the Guanzhong Basin Journal Journal of Groundwater of Science Science and and Engineering Vol.5 Vol.5 No.3 No.3 Sept. Jul. 2017 Research on quality changes and influencing factors of groundwater in the Guanzhong Basin TAO

More information

Yoshinaga Ikuo *, Y. W. Feng**, H. Hasebe*** and E. Shiratani****

Yoshinaga Ikuo *, Y. W. Feng**, H. Hasebe*** and E. Shiratani**** NITROGEN REMOVAL FUNCTION OF PADDY FIELD IN A CIRCULAR IRRIGATION SYSTEM Yoshinaga Ikuo *, Y. W. Feng**, H. Hasebe*** and E. Shiratani**** * National Institute for Rural Engineering, Tsukuba Science City

More information

Contents and Distribution of Petroleum Hydrocarbons (PHC) in Jiaozhou Bay Waters

Contents and Distribution of Petroleum Hydrocarbons (PHC) in Jiaozhou Bay Waters Open Journal of Marine Science, 2011, 3, 108-112 http://dx.doi.org/10.4236/ojms.2011.13011 Published Online October 2011 (http://www.scirp.org/journal/ojms) Contents and Distribution of Petroleum Hydrocarbons

More information

Effects of nitrogen fertilizer and irrigation rate on nitrate present in the profile of a sandy farmland in Northwest China

Effects of nitrogen fertilizer and irrigation rate on nitrate present in the profile of a sandy farmland in Northwest China Available online at www.sciencedirect.com Procedia Environmental Sciences 11 (2011) 726 732 Effects of nitrogen fertilizer and irrigation rate on nitrate present in the profile of a sandy farmland in Northwest

More information

Role of Climate and Soil in Regulating Water Limitations to Crop Productivity

Role of Climate and Soil in Regulating Water Limitations to Crop Productivity Role of Climate and Soil in Regulating Water Limitations to Crop Productivity Enli Wang, Chris Smith 1 May 2012, Vienna CSIRO LAND AND WATER/SUSTAINABLE AGRICULTURE FLAGSHIP Presentation outline Agriculture

More information

Nutrient Cycling in an Aquatic Ecosystem

Nutrient Cycling in an Aquatic Ecosystem Nutrient Cycling in an Aquatic Ecosystem 2.1 Productivity 2.2 Oxygen 2.3 Salinity 2.4 Carbon 2.5 Nitrogen 2.6 Phosphorous 2.7 Iron 2.8 Sulphur 2.9 Silica 2.3 Salinity of Inland Waters The salinity of freshwaters

More information

Abbotsford-Sumas Aquifer

Abbotsford-Sumas Aquifer Abbotsford-Sumas Aquifer Long-Term Groundwater Monitoring and Nitrogen Isotope Study Abbotsford-Sumas Aquifer Groundwater Nitrate Science Forum II May 1, 12 Abbotsford, BC Gwyn Graham Environment Canada

More information

Chinese River Basins Yellow River, Huai, Interior Basins. Preliminary results of the GCI II survey

Chinese River Basins Yellow River, Huai, Interior Basins. Preliminary results of the GCI II survey http://www.unmultimedia.org/photo/guidelines.jsp IISD GWSP Conference on the Water-Energy-Food Security Nexus May 1 5 2012 Chinese River Basins Yellow River, Huai, Interior Basins Preliminary results of

More information

Joint Research Centre (JRC)

Joint Research Centre (JRC) Joint Research Centre (JRC) Marco Pastori and Faycal Bouraoui IES - Institute for Environment and Sustainability Ispra - Italy http://ies.jrc.ec.europa.eu/ http://www.jrc.ec.europa.eu/ CONTENT Introduction

More information

NGUYEN THU THUY (M2) Supervisor: Prof., Maki Tsujimura

NGUYEN THU THUY (M2) Supervisor: Prof., Maki Tsujimura I. Literature review II. Introduction III. Method and Objectives IV. Results and Discussion V. Conclusion NGUYEN THU THUY (M2) Supervisor: Prof., Maki Tsujimura I. Literature review: Water resource issues

More information

An Assessment of Available Water for Livestock and Garden Irrigation in Dry Season for Subsistence Farmers in Zimba District

An Assessment of Available Water for Livestock and Garden Irrigation in Dry Season for Subsistence Farmers in Zimba District International Journal of Research Studies in Agricultural Sciences (IJRSAS) Volume 3, Issue 9, 2017, PP 14-19 ISSN No. (Online) 2454 6224 DOI: http://dx.doi.org/10.20431/2454-6224.0309003 www.arcjournals.org

More information

Contrasting Spatial Distribution of the Emission and Export of Diffuse Nutrient at Watershed Level

Contrasting Spatial Distribution of the Emission and Export of Diffuse Nutrient at Watershed Level Contrasting Spatial Distribution of the Emission and Export of Diffuse Nutrient at Watershed Level Wenchao Li, Limei Zhai, Qiuliang Lei, Shen Liu, Wanli Hu, Hongbin Liu *, Tianzhi Ren 2016/7/27 Key Laboratory

More information

HYDROCHEMISTRY AND MAPPING OF THE GROUNDWATER CONTAMINATION INDEX IN CHANGCHUN CITY, CHINA

HYDROCHEMISTRY AND MAPPING OF THE GROUNDWATER CONTAMINATION INDEX IN CHANGCHUN CITY, CHINA JOURNAL OF ENVIRONMENTAL HYDROLOGY The Electronic Journal of the International Association for Environmental Hydrology On the World Wide Web at http://www.hydroweb.com VOLUME 11 2003 HYDROCHEMISTRY AND

More information

Water Pollution. Chapter 20

Water Pollution. Chapter 20 Water Pollution Chapter 20 Water Pollution Comes from Point and Nonpoint Sources Water pollution Any chemical, biological, or physical change in water quality that harms living organisms or makes water

More information

Coachella Valley Regional Water Management Group (CVRWMG)

Coachella Valley Regional Water Management Group (CVRWMG) April 13, 2015 SNMP Overview Introduction Regulatory Framework Water Quality Objectives Basin Characterization Ambient Water Quality and Assimilative Capacity Estimate of Future Water Quality Salt and

More information

Innovations In Integrated Water Resources Management

Innovations In Integrated Water Resources Management CHINA Innovations In Integrated Water Resources Management LIPING JIANG WORLD BANK BEIJING OFFICE Outlines 1. Impact of climate change on water scarcity in China; 2. Climate change adaptation strategy

More information

Chapter 7 - Monitoring Groundwater Resources

Chapter 7 - Monitoring Groundwater Resources Chapter 7 - Monitoring Groundwater Resources Introduction Because of its hidden nature, virtually everything that is known about Marlborough s aquifers comes from indirect observations made at wells. The

More information

CONSUMER CONFIDENCE REPORT

CONSUMER CONFIDENCE REPORT City of Amboy 2014 Drinking Water Report The City of Amboy is issuing the results of monitoring done on its drinking water for the period from January 1 to December 31, 2014. The purpose of this report

More information

Rice impact in Henan irrigation districts along the lower. Yellow River reaches

Rice impact in Henan irrigation districts along the lower. Yellow River reaches Rice impact in Henan irrigation districts along the lower Yellow River reaches Dong Bin 1,3, Liang Zhichen 2, Ronald Loeve 3, David Molden 3, Yang Baozhong 2 1. Department of Irrigation and Drainage College

More information

SOIL EROSION ON AGRICULTURAL LAND

SOIL EROSION ON AGRICULTURAL LAND Ecosystem Service and Sustainable Watershed Management in North China International Conference, Beijing, P.R. China, August 23-25, 2000 SOIL EROSION ON AGRICULTURAL LAND Andreas KLIK University of Agricultural

More information

Effects of Suburban Development on Shallow Groundwater Quality

Effects of Suburban Development on Shallow Groundwater Quality Effects of Suburban Development on Shallow Groundwater Quality J O S H K A S P E R, D N R E C J U D Y D E N V E R, U S G S J O A N N A Y O R K, U D F U N D I N G F R O M T H E D N R E C, U S G S, A N D

More information

REPORT. Report No: 2013/0958 Prepared For: Natural Resources Committee Prepared By: Dean Olsen, Environmental Resource Scientist Date: 11 July 2013

REPORT. Report No: 2013/0958 Prepared For: Natural Resources Committee Prepared By: Dean Olsen, Environmental Resource Scientist Date: 11 July 2013 REPORT Document Id: A544088 Report No: 2013/0958 Prepared For: Natural Resources Committee Prepared By: Dean Olsen, Environmental Resource Scientist Date: 11 July 2013 Subject: Waianakarua River Water

More information

Sustainable and profitable crop and livestock systems in south-central coastal Vietnam

Sustainable and profitable crop and livestock systems in south-central coastal Vietnam Sustainable and profitable crop and livestock systems in south-central coastal Vietnam ACIAR PROCEEDINGS 143 Sustainable and profitable crop and livestock systems in south-central coastal Vietnam Proceedings

More information

(1)(A)Inventory of the following existing natural resources on the USFSP Campus or within the context area adjacent to the University.

(1)(A)Inventory of the following existing natural resources on the USFSP Campus or within the context area adjacent to the University. 13. 6C-21.208 CONSERVATION ELEMENT Information Sources George F. Young, Interview notes, June 2002 Sasaki Associates, Inc., interview notes, April, 2000 Interviews between DRMP Staff and USF Staff, May,

More information

CAB International 2016

CAB International 2016 5 Impacts of Climate Change and Adaptation in Agricultural Water Management in North China Jun Xia, 1,2 * Xingguo Mo, 2 Jinxia Wang 3 and Xinping Luo 2 1 State Key Laboratory of Water Resources and Hydropower

More information

Characteristics of Nutrient Accumulation and Efficiency in Maize under Different Agronomic Managements

Characteristics of Nutrient Accumulation and Efficiency in Maize under Different Agronomic Managements J. Agr. Sci. Tech. (215) Vol. 17: 1755-1767 Characteristics of Nutrient Accumulation and Efficiency in Maize under Different Agronomic Managements H. G. Cai 1, W. Ma 2, X. Z. Zhang 1, J. Q. Ping 3, P.

More information