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Published byCamron Fox Modified over 9 years ago
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COSMOS use at the Southern Sierra Critical Zone Observatory 3 rd Annual COSMOS Workshop Matthew Meadows Sierra Nevada Research Institute University of California Merced
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Critical Zone Observatories http://criticalzone.org
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CZO Common Infrastructure With the goal to: resolve the evolution and formation of the CZ and its attributes measure the properties and structure of the present-day CZ construct carbon, mass and energy balances (event- to long-time scales)Energy
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Southern Sierra CZO
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Southern Sierra Critical Zone Observatory (CZO) soil moisture measurements: cosmic-ray time domain reflectometry (TDR) dielectric neutron probe physical sampling techniques.
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Installation and Survey
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Hiking the COSMOS sensor into P301.
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Volumetric Water Content
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Recalibrated
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Effective soil depth
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Snow depth
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Snow depth variability
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Dealing with snow
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Soil water estimates, 0-30 cm
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Correlation of COSMOS VWC with distributed sensor network during no-snow conditions
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The Future Easy to deploy – Elevations, aspects, sets of sensors Soil moisture and vegetation – Timing of moisture stress – Evapotranspiration Snow and/or snow+soil storage http://criticalzone.org/
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Common CZO Infrastructure Fluxes within and across the critical zone boundaries – vegetation-atmospheric – terrestrial-aquatic – soil-atmospheric – soil-plant – bedrock-soil http://criticalzone.org/
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