Institut für Physik der Atmosphäre Institut für Physik der Atmosphäre High Resolution Airborne DIAL Measurements of Water Vapor and Vertical Humidity Fluxes during IHOP Christoph Kiemle, G. Ehret, A. Fix, H. Flentje, G. Poberaj, M. Wirth (DLR) R. M. Hardesty, W. A. Brewer, S. P. Sandberg (NOAA) IHOP Water Vapor Intercomparison Workshop, Boulder, 2.10.2003 Overview • Differential-Absorption-Lidar (DIAL) in the DLR Falcon aircraft • High resolution water vapour measurements of the boundary layer • Evaluation of systematic and statistical uncertainties • Co-located wind lidar measurements and vertical humidity fluxes
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Institut für Physik der Atmosphäre Institut für Physik der Atmosphäre High Resolution Airborne DIAL Measurements of Water Vapor and Vertical Humidity Fluxes.
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Institut für
Physik der Atmosphäre
Institut für
Physik der Atmosphäre
High Resolution Airborne DIAL Measurements of Water Vapor and Vertical Humidity Fluxes during IHOP
Christoph Kiemle, G. Ehret, A. Fix, H. Flentje, G. Poberaj, M. Wirth (DLR)R. M. Hardesty, W. A. Brewer, S. P. Sandberg (NOAA)
IHOP Water Vapor Intercomparison Workshop, Boulder, 2.10.2003
Overview
• Differential-Absorption-Lidar (DIAL) in the DLR Falcon aircraft• High resolution water vapour measurements of the boundary layer• Evaluation of systematic and statistical uncertainties• Co-located wind lidar measurements and vertical humidity fluxes
Institut für
Physik der Atmosphäre
IHOP Objectives and DIAL Performance
IHOP 2002missions
Objectives Falconflights
H2Odata
(hh:mm)
aerosoldata
(hh:mm)
H2O /aerosol
in %
BLheterogeneity
11 10:21 25:57 39,9
BL evolution
Improve understanding of the relationshipbetween atmospheric water vapor,surface fluxes and boundary layer
processes as they relate to quantitativeforecasts of precipitation
2 2:29 5:09 48,1
ConvectionInitiation
3 3:19 9:32 34,8
Low level jet
understand and predict the processesthat determine where and when
convection forms5 4:34 10:43 42,7
TOTAL 21 20:43 51:21 40,4
Institut für
Physik der Atmosphäre
H2O DIAL: Operators’ seat
with quick-look displayH2O DIAL: Telescope, detectorsand passive cooling unit