Earth & Environmental Sciences
NDVI
100%
vegetation
97%
trend
53%
MODIS
52%
SEVIRI
49%
ecosystem
48%
earth observation
45%
time series
44%
productivity
43%
savanna
36%
phenology
35%
Meteosat
31%
vegetation index
30%
land degradation
30%
rainfall
29%
remote sensing
29%
land surface
27%
West Africa
26%
vegetation dynamics
26%
reflectance
26%
index
24%
Landsat
23%
drought
23%
monitoring
23%
satellite data
22%
climate
21%
evapotranspiration
20%
growing season
20%
karst
18%
deforestation
18%
biomass
18%
soil moisture
18%
water stress
17%
climate change
17%
AVHRR
16%
land cover
15%
SMOS
15%
trend analysis
15%
in situ
15%
fractal analysis
15%
Agriculture & Biology
vegetation
66%
Sahel
59%
normalized difference vegetation index
52%
ecosystems
48%
arid lands
38%
remote sensing
38%
moderate resolution imaging spectroradiometer
34%
Senegal
32%
time series analysis
28%
savannas
24%
Landsat
22%
phenology
20%
gross primary productivity
19%
advanced very high resolution radiometer
18%
vegetation index
17%
evapotranspiration
17%
land degradation
17%
rain
17%
biomass
16%
deforestation
15%