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EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
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EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > POSITIONING/NAVIGATION > GPS > GPS > GLOBAL POSITIONING SYSTEM
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EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > SNOW COVER
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EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > SNOW DEPTH
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EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > SNOW/ICE TEMPERATURE
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IN SITU/LABORATORY INSTRUMENTS > CURRENT/WIND METERS > ANEMOMETERS
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IN SITU/LABORATORY INSTRUMENTS > CURRENT/WIND METERS > EDDY CORRELATION DEVICES
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IN SITU/LABORATORY INSTRUMENTS > PHOTON/OPTICAL DETECTORS > VISUAL OBSERVATIONS
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IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > TEMPERATURE SENSORS
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climatologyMeteorologyAtmosphere
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