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The French-German Climate Monitoring Initiative on Global Observations of Atmospheric Methane

Ehret, Gerhard and Flamant, Pierre and Amediek, Axel and Ciais, Philippe and Gibert, Fabien and Fix, Andreas and Kiemle, Christoph and Quatrevalet, Mathieu and Wirth, Martin (2010) The French-German Climate Monitoring Initiative on Global Observations of Atmospheric Methane. In: 25th International Laser Radar Conference (ILRC). 25th International Laser Radar Conference, 05.-09. Juli 2010, St. Petersburg, Russland.

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Abstract

Knowledge of concentrations and fluxes of the most important long-lived greenhouse carbon dioxide (CO2) and methane (CH4) is a key element of climate change research. We report on the status of the French-German Climate Monitoring Initiative which aims on global observations of atmospheric methane. This mission which has recently been selected for joint Phase0/A studies at CNES and DLR is intended to improve our understanding of the Global Methane Cycle and the exploration of the nature of the processes which govern the exchange of methane between atmosphere and biosphere. As a novel feature, the observational instrument of this mission will be an Integrated Path Differential-Absorption (IPDA) lidar system embarked on the French spacecraft MYRIADE for the measurement of the column-weighted dry-air mixing ratio of CH4. This data will be provided by the lidar technique with no bias due to particles scattering in the light path and can directly be used as input for flux inversion calculation. Other geophysical quantities which can be derived from the measurements comprise information on vegetation height, cloud layers, and surface retro-reflectance.

Document Type:Conference or Workshop Item (Speech)
Title:The French-German Climate Monitoring Initiative on Global Observations of Atmospheric Methane
Authors:
AuthorsInstitution or Email of Authors
Ehret, GerhardDLR
Flamant, PierreÉcole Polytechnique, Palaiseau, F
Amediek, AxelDLR
Ciais, PhilippeUVSQ, Gif sur Yvette France, F
Gibert, FabienÉcole Polytechnique, Palaiseau, F
Fix, AndreasDLR
Kiemle, ChristophDLR
Quatrevalet, MathieuDLR
Wirth, MartinDLR
Date:2010
Journal or Publication Title:25th International Laser Radar Conference (ILRC)
Status:Published
Keywords:LIDAR; ILRC; Atmospheric Methane; Climate Monitoring
Event Title:25th International Laser Radar Conference
Event Location:St. Petersburg, Russland
Event Type:international Conference
Event Dates:05.-09. Juli 2010
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignement
DLR - Research area:Space
DLR - Program:W - no assignement
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Michaela Scheitler
Deposited On:10 Dec 2010 12:09
Last Modified:12 Dec 2013 21:08

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