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FIELD SURVEY
MONTHLY TO ANNUAL
30 METERS TO 100 METERS
54
TRANSECT
52
biota
45
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
39
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
31
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
27
environment
25
GRID
24
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
20
250 METERS TO 500 METERS
13
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
13
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
8
500 METERS TO 1 KILOMETER
7
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
7
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
4
ENVIRONMENT
3
1 KILOMETER
2
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
2
EARTH SCIENCE > LAND SURFACE > SURFACE RADIATIVE PROPERTIES > REFLECTANCE
2
elevation
2
geoscientificInformation
2
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL DEPTH PROBE
1
POINT
1
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