Observations of Evaporation with a New-Generation Raman Lidar

Details Observations of Evaporation with a New-Generation Raman Lidar Observations of Evaporation with a New-Generation Raman Lidar

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.h31e0695f&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #H31E-0695

Physics

1818 Evapotranspiration, 1840 Hydrometeorology, 1843 Land/Atmosphere Interactions (1218, 1631, 3322), 1855 Remote Sensing (1640)

Scientific paper

A new atmospheric boundary layer Raman lidar has been designed and built at EPFL. Temperature and humidity can be measured out to 500 m at 1 m spatial resolution, 1 s temporal resolution. A unique multi-telescope design along with 3 nanoseconds 100 Hz pulsed laser operating at 266 nm (in the solar blind region) with ozone correction allows for nearly constant signal to noise, daytime operation and measurement scales of interest in micrometeorology. In this presentation we will detail the underlying principle of this lidar and present new observations of water and temperature microstructure of the lower atmosphere over complex terrain. First calibration results, field observations over a vineyard and time series of vertical temperature and humidity profiles will be presented.

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