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EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
MONTHLY TO ANNUAL
15
FIELD SURVEY
14
30 METERS TO 100 METERS
13
TRANSECT
13
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
10
environment
9
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
6
biota
6
500 METERS TO 1 KILOMETER
3
GRID
3
ENVIRONMENT
2
250 METERS TO 500 METERS
1
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
1
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
1
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
1
WEEKLY TO MONTHLY
1
geoscientificInformation
1
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