Hydroinformatics II XMas Lecture 2012
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1 Hydroinformatics II XMas Lecture 2012 Courtesy: Lars Bilke, Thomas Fischer, Jan Friesen, Thomas Kalbacher, Edda Kalbus, Rudolf Liedl, Karsten Rink, Tino Rödiger, Christian Siebert, Marc Walter, Björn Zehner Welcome Terrestrial Environmental System Simulation & INtegration 1
2 Contents Framework: IWAS research project Data: from the large scale (RS) Data: ground truth Data: preparation Model: Set up Code: Requirements Model: Results Visualization Citation and sources IWAS International Water Research Alliance Saxony Management of water resources in hydrologically sensitive regions funded by Middle East (Saudi Arabia, Oman) 2
3 Water resources assessment in Arabian Peninsula Jan Friesen Climatic boundaries Vegetation Integrated hydrological synthesis Anke Hildebrandt T Kalbacher / E Kalbus Rudolf Liedl / Marc Walter Groundwater Infiltration & recharge Christian Siebert Observation - Modeling - Analysis Management Tool Climatic boundary conditions 3
4 Validation using ground observation data Annual rain days above 10 mm/day satellite estimate Source Tropical Rainfall Measuring Mission (TRMM), product 3B42, Global Surface Summary of the Day (GSOD) Validation using ground observation data Rain gauge observation data Low density gauge network High spatial variability Source Tropical Rainfall Measuring Mission (TRMM), product 3B42, Global Surface Summary of the Day (GSOD) 4
5 Validation using change detection of land surface Additional satellite data Vegetation indices (MODIS EVI) or Land Surface Temperature data (MODIS) Change detection determines if rainfall occurred Challenges Relate magnitude of change (Vegetation or temperature) to rainfall amount and relevance for ground water recharge Validation using change detection of land surface Vegetation response to rainfall 25 km TRMM resolution 250 m MODIS resolution Source Tropical Rainfall Measuring Mission (TRMM), product 3B42, Moderate Resolution Imaging Spectroradiometer (MODIS), product 13Q1 5
6 Linking ground observations to satellite data Land surface temperature observations on test site Measure land surface temperature signal before and after different sprinkler irrigation scenarios Determine duration and magnitude of sprinkler irrigation related surface temperature signals Determine relevant rainfall events required for ground water recharge infiltration & potential recharge 6
7 Upper Mega Aquifer: km 2 sand cover Al-Nafud km 2 Ad-Dahna km 2 Rub-al-Khali km 2 Quaternary Tertiary Cretaceous Does recharge occurs under sand cover and aridity? Indications are given...?...however, investigations so far never below point of no return 7
8 TDR monitoring full scale field experiment incl. Observation of chemical/isotopical fractionation from precipitation to recharge Movie 8
9 vertical and sloped TDR-boreholes time [days] depth [meter] 5 wet dry sloped suction drill precipitation, temperature saturation, net-flux 9
10 Data integration System analysis - Visualization New generation of Management Tools Scientific Software made by Helmholtz OGS Philosophie DE FEM Bohrlochdaten Zeitreihen DEM Landnutzung Strukturgeologie : 1/2/3/4 D : interaktiv OGS 3D / OGS > OpenSG OGS#mHM OGS THMC 10
11 OGS Visibility Korea Data Integration: Which 11
12 Data Integration: How to Data: Geography 12
13 Data processing: Rainfall Data processing: Rainfall 13
14 Data processing: Rainfall Data processing: Borehole data 14
15 Data processing: Aquifer modeling Data processing: Aquifer system 15
16 Data processing: Aquifer system Ax = b 16
17 Groundwater modeling 17
18 18
19 Data processing: Rainfall Movie 19
20 VISLab VISLab: Projects Aus: Zehner, 2009 / 2010 Probleme: Datenlage Komplexität Validierung Zehner,
21 PLine, TSurf VSet -> OpenSG file Data processing: Rainfall SGrid, (Voxet, Solid)-> VTK-file Thüringer Becken Schleswig Holstein Frohe Weihnachten Guten Rutsch
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