Earth & Environmental Sciences
Northern Hemisphere
90%
vegetation
61%
detection
59%
microwave radiometer
59%
NDVI
47%
SSM-I
42%
frost
35%
trend
33%
MODIS
30%
gas exchange
19%
land
18%
ecosystem process
18%
thawing
18%
phenology
18%
trace gas
18%
biome
18%
brightness temperature
17%
weather station
17%
biosphere
17%
microwave
14%
eddy
14%
global warming
14%
air temperature
13%
pixel
13%
drought
13%
warming
13%
temperature
12%
disturbance
11%
productivity
11%
sensor
11%
anomaly
11%
damage
10%
remote sensing
10%
in situ
10%
atmosphere
9%
ecosystem
9%
summer
9%
Agriculture & Biology
microwave radiometers
100%
vegetation
75%
moderate resolution imaging spectroradiometer
53%
microwave radiation
49%
sensors (equipment)
48%
ecosystems
38%
eddy covariance
25%
weather stations
23%
frost injury
22%
temperature
20%
biosphere
20%
remote sensing
19%
frost
18%
global warming
17%
thawing
17%
gas exchange
16%
phenology
15%
air temperature
15%
drought
13%
plant growth
12%
uptake mechanisms
11%
summer
11%