monitoring water use and drought using satellite remote sensing
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
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Monitoring Water Use and Drought using Satellite Remote Sensing
Martha C. AndersonUSDA-ARSHydrology and Remote Sensing LaboratoryBeltsville, MD
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DisA
LEXI
(Lan
dsat
)Di
sALE
XI(a
ircra
ft)W
atershed(60m
)Field scale
(30m)
SURFACE TEMPERATURE EVAPOTRANSPIRATION
ALEX
I(G
OES
Imag
er) Regional
(5km)
ALEX
I(G
OES
Sou
nder
) Continental(10km
)
Tem
pera
ture
(C)
DisA
LEXI
(MO
DIS) Basin
(1km)
Latent Heat (Wm
-2)
ALEX
I(IS
CCP)
Global(25km
)
1 July 2002 – 10:30AM LST
cornsoy
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ETPET0.0 0.2 0.4 0.6 0.8 1.0
Landsat 7 – 60m MODIS – 1km
Sensitivity to irrigation
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2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
Wetter
Drier Standardized anomalies
(April-S
ept. wrt 2000-2011 norm
als)
-2s
-1
0
1
2s
EVAPORATIVE STRESS INDEXDUSDM DSPI-3ESI DETnoahDSMnoah
2010
2011
USDM
D0 D1 D2 D3 D4
USDM drought classes
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… Nile River BasinINTERNATIONAL APPLICATIONS
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2009 APRIL-SEPTEMBER
Average ALEXI ET (MJ m-2 d-1) Average ALEXI ET/PET
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Average ALEXI ET/PET
NileDelta
Sudd Wetland
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ESI6 months
(July 2011)
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HyspIRI(60m/5 day)
CLIMATE RESILIENCE STUDY:CHOKE MOUNTAINEthiopia
Landsat(100m/16 day)
MODIS(1km/daily)
Meteosat(3km/15min)
(Addis Ababa, JHU, UWisc, USDA)
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August 2004Midday latent heat flux (clear-sky composite)
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POTENTIAL CONTRIBUTIONS TO WORLD BANK
USDA is an equal opportunity provider and employer.
… multi-scale water-use mapping… drought monitoring… information for improving climate resilience