Earth Sciences Division

Atmospheric Lidar for Validation, Interagency Collaboration and Education (ALVICE)

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Operational

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ALVICE (Atmospheric Lidar for Validation, Interagency Collaboration and Education) is a ground based mobile lidar that is a roving transfer standard within the Network for the Detection for Atmospheric Composition Change (NDACC). The lidar measurements are water vapor mixing ratio, aerosol backscatter, extinction, depolarization, cloud liquid and ice water and rotational Raman temperature measurements. In addition to these lidar-based measurements additional equipment is carried in the trailer to provide balloon borne measurements (Vaisala RS-92 and Cryogenic Frostpoint hygrometer), surface reference measurements of pressure, temperature and RH as well as total column water using GPS.