Crop mapping with satellite data

Transcription

1 Crop mapping with satellite data Dr. C.S. Murthy Head, Agricultural Sciences and Applications National Remote Sensing Centre, Hyderabad

2 Geospatial Technology Satellite remote sensing technology Mobile technologies Geospatial technology GIS, analytics etc. Unmanned Aerial Vehicle (UAV) based remote sensing Satellite data Satellites Sensor Spatial resolution Temporal resolution Swath Resourcesat AWiFS 56 m 5 days 750 km LISS III 23 m 26 days 140 km LISS IV 6 m 48 days 70 km LANDSAT 8 OLI 30 m 16 days 185 km Sentinel 2 MSI 10m 10 days 300 km Moderate resolution Easily accessible (either free or low cost) Suitable for crop insurance Coarse resolution satellite data Satellite data sets/derived indices, thematic layers, biophysical parameters

3 LISS-IV DATA SHOWING MULTIPLE CROPS Maize Banana Chillies Tobacco nrsa

4 HIGH RESOLUTION DATA SHOWING CROPS Palm Cashew Coconut Scane Rice nrsa

5 Satellite based crop mapping Hoshangabad district, MP, Wheat Oct Oct Nov Dec Jan 16 8 Feb 16

6 Mapping & inventory of crops One of the proven applications of RST Crop Classification Selection of suitable data based on crop calendars Supervised classification Ground truth points Signature generation and seprability assessment Classification Unsupervised classification Clustering Labelling of clusters with signature data Accuracy assessment Statistics extraction and reporting

7 CROP CALENDAR OF IMPORTANT KHARIF / RABI CROPS OF A. P. Optimum data acquisition For cotton crop PULSES SUNFLOWER GROUNDNUT PADDY TOBACCO GROUNDNUT SUNFLOWER CHILLIES JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY COTTON PADDY SUGARCANE nrsa

8 Mobile Apps for crop field data collection Observation Information Transmission Improved field data collection system Real-time field data collection, robust & versatile system, automation etc. Surveillance of events, automated alerts generation and dissemination Objective enumeration system Field Data Collection using Geo-I Localised crop damages Decision Action Value addition and information products from field data

9 Field data collection using Mobile App Bhuvan portal showing Mobile based field data

10 SHRI VIGHNAHAR SUGAR MILL BHIMASANKAR SUGAR MILL Sugarcane field GPS survey uploaded to BHUVAN along with mills location

11 Sugarcane field GPS survey uploaded to BHUVAN with attribute

12 Bandwise IRS images and FCC Green (2) Red (3) Near IR (4) Green MIR (5) FCC (4,3,2)

13 MULTISPECTRAL DIGITAL CLASSIFICATION RAW DATA CLASSIFIED DATA PADDY COTTON FOREST FALLOW WATER DN1 DN2 DN3 DN4 URBAN BANDS CLASSES

14 SIGNATURE STATISTICS COTTON Class Correlation Matrix: Class Covariance Matrix: RICE Class Correlation Matrix: Class Covariance Matrix:

15 GRN/NIR RED/NIR COTTON RICE OTHERS FOREST SCRUB FALLOW WATER MIR/NIR GRN/MIR

16 Raw data Classified data Cotton Rice Others Forest Scrub Fallow Water

17 On the ground Classification accuracy assessment Ground verification, sampling scheme Wheat Mustard Gram Maize total Error matrix On the map Wheat Mustard Gram Maize total Kappa coefficient of accuracy

18 Raw data Classified data CLASS PIXELS %IMAGE HA 1 cot cot rice rice others for for for scrub scrub fal fal fal water water Total

19 Rice map of Odisha state Winter

20 Cotton crop area 4.08 Lakh Ha Cotton crop area Lakh Ha

21 Groundnut Crop in Morbi District (kharif 2016) NDVI Taluk Groundnut area (ha) Halvad 39,437 Maliya Miyana 10,634 Morbi 29,750 Wankaner 28,308 Total 1,08, Progression of Groundnut NDVI over kharif 2016 season Groundnut Jun Jul Aug Sep FN1 Sep FN2 Oct FN1 Oct FN2 Nov FN1 Nov FN2

22 SPATIAL DISTRIBUTION OF RICE CROP KHARIF 2004 Raw data Raw data Classified data RICE nrsa

23 CROP INVENTORY USING SATELLITE DATA National level 180m 60m 24m 6m State level District level RICE Mandal level Rice Cotton Village level BANANA MAIZE TOBACCO CHILLIES IRS WIFS AWiFS IRS LISS-III LISS-IV data

24 IRS LISS-III DATA OF GUNTUR DISTRICT, A.P. COTTON PADDY nrsa

25 MULTI-DATE AWIFS DATA OF GUNTUR DISTRICT, A. P. SHOWING KHARIF RICE AND COTTON CROP Oct-16 Nov-05 Nov-28 Classified data Rice Cotton nrsa

26 CHANGES CROPPING PATTERN OF GUNTUR DISTRICT OF A. P Cotton Rice

27 IRS-1C WiFS DATA OF PART GODAVARI AND KRISHNA DELTA, A. P. RAW DATA Jan-25 Feb-18 CLASSIFIED DATA PULSES PADDY

28 CHANGES IN DISTRIBUTION OF KHARIF RICE OF ANDHRA PRADESH RAW DATA CLASSIFIED DATA RICE

29 MULTI-CROP INVENTORY USING IRS LISS-III DATA TULLUR MANDAL, GUNTUR DISTRICT, A. P. RAW DATA CLASSIFIED DATA Banana Maize Tobacco Pulses Chillies Cotton

30 LISS-IV DATA WITH CADASTRAL OVERLAY SHOWING DISTRIBUTION OF SUGARCANE CROP Chinaogirala village Vuyyuru mandal Krishna district, A. P. Raw data Classified data Sugarcane 111 ha nrsa

31 IKONOS Multispectral data of Nanjur tank command 09 th Aug th Dec 2003

32 POTENTIAL OF SAR DATA FOR AGRICULTURE Non-availability of optical data during monsoon season RADAR can penetrate through cloud and rain Active sensor All weather and day / night operation capability Crop discrimination Soil moisture estimation Retrieval of crop canopy parameters nrsa

33 UTILIZATION OF RADARSAT DATA FOR KHARIF RICE RADARSAT ScanSar data is being utilized for kharif rice acreage estimation due to non-availability of optical data during monsoon season 3 date SAR data of July, August & September data utilized for Acreage estimation of rice Acquisition dates D1 D2 D3 JUNE JULY AUG SEP OCT NOV Puddling Transplantation Crop Establishment Maturity nrsa

34 RADARSAT DATA SHOWING RICE CROP AT DIFFERENT PLANTING DATES Jul 27, 2005 Aug 20, 2005 Sep13, 2005 Three Date Composite FCC EARLY RICE MID RICE LATE RICE nrsa

35 RADARSAT DATA OF WEST GODAVARI DISTRICT, A. P nrsa

36 DISTRIBUTION OF KHARIF RICE USING THREE DATE RADARSAT DATA WEST GODAVARI DISTRICT, A. P. KHARIF RICE nrsa

37 Forecasting Agricultural Output using Space, Agrometeorology and Land based Observations (FASAL) Land Observations Cropped area Crop condition Crop acreage Crop yield MULTIPLE IN-SEASON FORECASTS Pre- Season Early- Season Mid- Season State Pre- Harvest State Pre- Harvest District Revised Incorporating Damage

38 STATE / NATIONAL LEVEL INVENTORY OF MAJOR CROPS National / State level estimations Wheat (AWiFS) Rabi cropped area (RCA) by end of January First estimate of wheat acreage by end of February Final wheat acreage estimate by end of March Kharif Rice (Radarsat) First estimate (F1) of rice acreages by Sept 30 Second estimate (F2) by Oct 31 Final rice acreage estimate by Jan 31 Winter Potato (AWiFS) o Haryana and Punjab by Dec 15 o Uttar Pradesh by Dec 31 o Bihar and West Bengal by Jan 15 Kharif Rice Wheat Rice and Wheat Rice and Potato Rice, Wheat and Potato 1. National Wheat Nov, 07 Dec, 07 Jan, National kharif Rice Jul 13 (Date-1) Aug 06 (Date-2) 2 date FCC RCA (32.0Mha) Feb-08 wheat-1 (26.6Mha) F-1 (33.7Mha) Aug 30 (Date-3) 3 date FCC Mar-08 NDVI profile Wheat-2 (27.25Mha) Wheat, Grams, Mustard, Potato, Backscatter Profile F-2 (35.8 Mha) Multi-date Resourcesat-1 AWiFS data Early Mid Late Three date Radarsat SN2 data nrsa

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