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30 METERS TO 100 METERS
MONTHLY TO ANNUAL
15
FIELD SURVEY
14
TRANSECT
14
environment
10
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
7
biota
6
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
5
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
5
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
5
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
5
EARTH SCIENCE
2
GRID
2
IN SITU/LABORATORY INSTRUMENTS
2
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
2
LAND SURFACE
2
PROBES
2
SOIL MOISTURE/WATER CONTENT
2
SOILS
2
250 METERS TO 500 METERS
1
500 METERS TO 1 KILOMETER
1
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
1
ENVIRONMENT
1
KITE
1
WEEKLY TO MONTHLY
1
geoscientificInformation
1
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