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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERMAFROST
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FIELD SURVEY
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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND
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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > GROUND ICE
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UNKNOWN
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geoscientificInformation
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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERIGLACIAL PROCESSES
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EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > SOIL TEMPERATURE
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EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > PERMAFROST
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IN SITU/LABORATORY INSTRUMENTS > CORERS > SEDIMENT CORERS
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environment
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EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > POSITIONING/NAVIGATION > GPS
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IN SITU/LABORATORY INSTRUMENTS > GAUGES > WATER LEVEL GAUGES
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IN SITU/LABORATORY INSTRUMENTS > PROBES
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IN SITU/LABORATORY INSTRUMENTS > PROBES > SNOW MEASURING ROD
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IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL DEPTH PROBE
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IN SITU/LABORATORY INSTRUMENTS > PROBES > STEEL MEASURING TAPE
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IN SITU/LABORATORY INSTRUMENTS > RECORDERS/LOGGERS > TEMPERATURE LOGGERS
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IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > THERMISTORS
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