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On line servers : Data serveurs (3W)
(field measurements and remotely sensed data)




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image  HAPEX SAHEL Information System image project leader : Yann Kerr au  CESBIO


HAPEX-Sahel was funded by a wide range of agencies in seven participating countries. Over 200 scientists visited and worked in the field site. An interdisciplinary approach has been adopted with contributed studies in hydrology and soil moisture, surface fluxes and vegetation, remote sensing science, and meteorology and mesoscale modelling. Detailed field measurements were concentrated in 3 "super sites"and two ancillary sites. Conditions in 1992 turned out to be average for the last decade with good gradients of precipitation and a variety of vegetation productivities in the study sites. An information system (HSIS) has been established to provide a data base to diseminate the measurements. An active program of meetings, workshops and interdisciplinary studies is now in progress
 

 
  imageAMMA-CATCH image coordination LTHE


AMMA-CATCH : Coupling the Tropical Atmosphere and the Hydrological Cycle within African Monsoon. A observing system for a long-term follow-up of the dynamic of the vegetation, the cycle of water and their interaction with the climate in West Africa AMMA-CATCH comprises the "land surface and hydrology" component of the long/extended observation period (EOP/LOP) of the AMMA observational strategy .


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  imageCarboEurope image contact at CESBIO : Eric Ceschia


CarboEurope IP Ecosystem Component Database
: The CarboEurope-IP (GOCE-CT2003-505572) is a 5-year EU-funded research project started in January 2004 that includes 61 research centres from 17 European countries and about 30 associated institutes. The overarching aim of the CarboEurope-IP is to understand and quantify the present terrestrial carbon balance of Europe and the associated uncertainty at local, regional and continental scale

 
 image CarboEurope Expérience Régionale image contact at CESBIO : Eric Ceschia


An experiment was performed in Les Landes, southwest France, during May–June 2005, to determine the variability in concentration gradients and fluxes of CO 2 . The CarboEurope Regional Experiment Strategy (CERES) aimed to produce aggregated estimates of the carbon balance of a region.

 

     
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