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Comparison of Airborne Water Vapor Lidar Observations with ECMWF Analyses and first Assimilation Experiments

Kiemle, Christoph and Flentje, Harald and Holm, Elias and Fix, Andreas and Dörnbrack, Andreas and Weissmann, Martin and Ehret, Gerhard (2006) Comparison of Airborne Water Vapor Lidar Observations with ECMWF Analyses and first Assimilation Experiments. In: 7th Int. Symp. On Tropospheric Profiling: Needs and Technologies, 3.2-O-1-3.2-O-5. NCAR-NOAA. 7th Int. Symp. On Tropospheric Profiling, 2006-06-15, Boulder, CO (USA).

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Abstract

Water vapor is the most important greenhouse gas and controls cloud formation and the evolution of weather systems. As its tropospheric concentration may rapidly vary over four orders of magnitude, accurate monitoring of water vapor, especially in the upper troposphere and lower stratosphere (UT/LS) and in remote areas remain important scientific and logistical issues. Between 2002-2005 the DLR Falcon research aircraft performed a couple of long-range transfer flights to various remote campaign destinations in Oklahoma, Brazil and Australia, carrying the water vapor Differential Absorption Lidar (DIAL) in nadir looking arrangement. The large dynamical range of tropospheric water vapour is impressively demonstrated. Large gradients in the H<sub>2</sub>O and backscatter fields dominate the scene and in general can qualitatively be reproduced by mesoscale simulations and even to a large extent by ECMWF analyses.

Document Type:Conference or Workshop Item (Speech)
Title:Comparison of Airborne Water Vapor Lidar Observations with ECMWF Analyses and first Assimilation Experiments
Authors:
AuthorsInstitution or Email of Authors
Kiemle, ChristophUNSPECIFIED
Flentje, HaraldDWD Hohenpeissenberg
Holm, EliasECMWF, Reading, UK
Fix, AndreasUNSPECIFIED
Dörnbrack, AndreasUNSPECIFIED
Weissmann, MartinUNSPECIFIED
Ehret, GerhardUNSPECIFIED
Date:15 June 2006
Journal or Publication Title:7th Int. Symp. On Tropospheric Profiling: Needs and Technologies
Refereed publication:No
In ISI Web of Science:No
Page Range:3.2-O-1-3.2-O-5
Editors:
EditorsEmail
Cohn, StephenUNSPECIFIED
Brown, WilliamUNSPECIFIED
Brewer, AlanUNSPECIFIED
Publisher:NCAR-NOAA
Status:Published
Keywords:water vapor lidar
Event Title:7th Int. Symp. On Tropospheric Profiling
Event Location:Boulder, CO (USA)
Event Type:international Conference
Event Dates:2006-06-15
Organizer:NCAR und NOAA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben LIDAR-Forschung und -Entwicklung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Dr.rer.nat. Christoph Kiemle
Deposited On:03 Jan 2008
Last Modified:12 Dec 2013 20:25

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