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500 METERS TO 1 KILOMETER
GRID
17
FIELD SURVEY
13
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
9
biota
8
ANNUAL
7
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
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WEEKLY TO MONTHLY
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geoscientificInformation
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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
6
MONTHLY TO ANNUAL
6
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
5
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
4
environment
4
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
3
KITE
3
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
2
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
2
ENVIRONMENT
2
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
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250 METERS TO 500 METERS
1
30 METERS TO 100 METERS
1
Active Layer
1
Cryosphere
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Earth Science
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Frozen Ground
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Grid
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IN SITU/LABORATORY INSTRUMENTS
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PROBES
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