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Monitoring Water Use and Drought using Satellite Remote Sensing

Monitoring Water Use and Drought using Satellite Remote Sensing . Martha C . Anderson USDA-ARS Hydrology and Remote Sensing Laboratory Beltsville, MD. SURFACE TEMPERATURE. EVAPOTRANSPIRATION. Global (25km ). ALEXI (ISCCP). ALEXI (GOES Sounder). Continental (10km). ALEXI

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Monitoring Water Use and Drought using Satellite Remote Sensing

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  1. Monitoring Water Use and Drought using Satellite Remote Sensing Martha C. Anderson USDA-ARS Hydrology and Remote Sensing Laboratory Beltsville, MD

  2. SURFACE TEMPERATURE EVAPOTRANSPIRATION Global (25km) ALEXI (ISCCP) ALEXI (GOES Sounder) Continental (10km) ALEXI (GOES Imager) Regional (5km) DisALEXI (MODIS) Basin (1km) Watershed (60m) DisALEXI (Landsat) DisALEXI (aircraft) Field scale (30m) corn Temperature (C) Latent Heat (Wm-2) soy 1 July 2002 – 10:30AM LST

  3. ET PET Sensitivity to irrigation Landsat 7 – 60m MODIS – 1km 0.0 0.2 0.4 0.6 0.8 1.0

  4. D0 D1 D2 D3 D4 EVAPORATIVE STRESS INDEX USDM DUSDM ESI DSMnoah DETnoah DSPI-3 2000 2001 2002 Drier 2003 -2s -1 0 1 2s 2004 2005 Standardized anomalies (April-Sept. wrt2000-2011 normals) 2006 2007 2008 Wetter 2009 USDM drought classes 2010 2011

  5. INTERNATIONAL APPLICATIONS … Nile River Basin

  6. 2009 APRIL-SEPTEMBER Average ALEXI ET (MJ m-2 d-1) Average ALEXI ET/PET

  7. Nile Delta Sudd Wetland Average ALEXI ET/PET

  8. ESI 6 months (July 2011)

  9. CLIMATE RESILIENCE STUDY: CHOKE MOUNTAIN Ethiopia HyspIRI (60m/5 day) Landsat (100m/16 day) MODIS (1km/daily) Meteosat (3km/15min) (Addis Ababa, JHU, UWisc, USDA)

  10. August 2004 Midday latent heat flux (clear-sky composite)

  11. POTENTIAL CONTRIBUTIONS TO WORLD BANK • … multi-scale water-use mapping • … drought monitoring • … information for improving • climate resilience Martha.Anderson@ars.usda.gov USDA is an equal opportunity provider and employer.

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