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AUTOMATED SURFACE OBSERVING SYSTEM
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EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > CARBON DIOXIDE
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EARTH SCIENCE > LAND SURFACE > FROZEN GROUND > SOIL TEMPERATURE
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IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > CO2 ANALYZERS
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IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
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