Post on 11-Apr-2017
Remote sensing used by FAO DLISpast & present
Keith Cressman Senior Locust Forecasting Officer Desert Locust Information Service (DLIS)
1 December 2015
Desert Locust global early warning & forecasting
Breeding Migration Outputs•location •scale •timing
•location •scale •timing
•Bulletin (monthly) •Forecast (6-week) •Forecast (6 mos) •warnings+alerts •updates
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Desert Locust require moist sandy soil & green vegetation
rainfallMeteosat
ARTEMIS CCD CMORPH RFE
GIMMS NASA GFSC NOAA AVHRR
SPOT LANDSAT
MODIS SENTINEL
vegetation
remote sensing evolution 1980s-2015
201019901980 2000
IRI RFE (0.25 sq deg) (digital colour)
Meteosat V+IR (1st generation) (hard BW copies)
2020
ARTEMIS CCD (FAO RSC) (hard colour copies)
GIMMS NASA GFSC NOAA AVHRR NDVI (1-7 km)
SENTINEL (10 m)
SPOT (1 km)
MODIS (250 m)
RAIN
VEG
Meteosat First Generation (1981-1995)
FAO ARTEMIS cold cloud duration (1995-2005)
IRI rainfall estimates (CMORPH 0.25 x 0.25 lat/long)
0-40N/20W-80E
remote sensing evolution 1980s-2015
201019901980 2000
IRI RFE (0.25 sq deg) (digital colour)
Meteosat V+IR (1st generation) (hard BW copies)
2020
ARTEMIS CCD (FAO RSC) (hard colour copies)
GIMMS NASA GFSC NOAA AVHRR NDVI (1-7 km)
SENTINEL (10 m)
SPOT (1 km)
MODIS (250 m)
RAIN
VEG
GIMMS NASA/GSFC (1985-2000) - 7 km
SPOT VEG (2000-2005) - 1 km
MODIS (2005-present) - 250 m
MODIS (2005-present) - 250 m
MODIS greenness (2010-present) - 250 m number of decades since vegetation onset
some real examples …
1. Western Sahara (Oct 2015)
2. Yemen & cyclone Chapala (Nov 2015)
3. Somalia & cyclone Megh (Nov 2015)
4. SE Iran (spring 2015)
Unusually heavy rains (16-24 Oct 2015)
0 25 50 75 100 125 150 200 mm
MODIS greenness (11-20 Nov 2015) number of decades since vegetation onset
MODIS greenness (11-20 Nov 2015)
0 25 km
number of decades since vegetation onset
MODIS greenness (11-20 Nov 2015)
MAURITANIAWESTERN SAHARA
0 10 km
MODIS greenness (11-20 Nov 2015) CYCLONE CHAPALA ,YEMEN
0 25 km
MODIS greenness (11-20 Nov 2015) CYCLONE MEGH, NORTHERN SOMALIA
0 100 km
MODIS greenness (spring 2015) SOUTHEASTERN IRAN
0 100 km
MODIS greenness (11-20 Mar 2015) SOUTHEASTERN IRAN
0 100 km
MODIS greenness (21-31 Mar 2015) SOUTHEASTERN IRAN
0 100 km
MODIS greenness (1-10 Apr 2015) SOUTHEASTERN IRAN
0 100 km
MODIS greenness (11-20 Apr 2015) SOUTHEASTERN IRAN
0 100 km
SPOT
MODIS SENTINEL
1 km
resolution improvements: MODIS 784x > NOAA AVHRR
Sentinel 625x > MODIS
NOAA AVHRR
CAUTION ! “too high resolution” may become difficult to interpret
0 200 m
10-day period
high spatial - high temporal
timely delivery
common attributes
Remote sensing used by FAO DLIS
Desert Locust Breeding map
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IRI RFE MODIS greenness
soils map soil moisture