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FIELD SURVEY
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POINT
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EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
7
MONTHLY TO ANNUAL
6
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL DEPTH PROBE
5
environment
5
EARTH SCIENCE > LAND SURFACE > FROZEN GROUND > ACTIVE LAYER
4
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
4
climatologyMeteorologyAtmosphere
4
1 KILOMETER
3
DAILY TO WEEKLY
3
EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > BIOGEOCHEMICAL CYCLES
3
EARTH SCIENCE > BIOSPHERE > VEGETATION > CARBON
3
EARTH SCIENCE > LAND SURFACE > SOILS > CARBON
3
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL GAS/AIR
3
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > LICOR GAS EXCHANGE SYSTEM
3
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > PH METERS
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IN SITU/LABORATORY INSTRUMENTS > SAMPLERS > GRABBERS/TRAPS/COLLECTORS > SOIL SAMPLER
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IN SITU/LABORATORY INSTRUMENTS > SPECTROMETERS/RADIOMETERS > MASS SPECTROMETERS
3
biota
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geoscientificInformation
3
ANNUAL
2
EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > ANGIOSPERMS (FLOWERING PLANTS) > DICOTS
2
EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > COMMUNITY DYNAMICS > PLANT SUCCESSION
2
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > SHRUBLAND/SCRUB
2
EARTH SCIENCE > CLIMATE INDICATORS > LAND SURFACE/AGRICULTURE INDICATORS > SOIL TEMPERATURE
2
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERMAFROST
2
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > SOIL TEMPERATURE
2
EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > SNOW DEPTH
2
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