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Combined atmosphere amazon region experiment: use of integrated modelling for experiment design

Objective



This proposal addresses a concerted contribution of a number of European reseach institutions to the design of a land-surface-atmosphere interaction, mesoscale field experiment in the Amazon region, called CABARE (Combined Atmosphere-Biosphere, Amazon Region Experiment).
A network of European institutions has been built during the last 3 years with support of the CEC-EPOCH/ENVIRONMENT programmes to provide a major input into the ECHIVAL/EFEDA experiment in Spain and HAPEX-Sahel experiment in 1992 in Niger.
These experiments were a major-European contribution to the glabal change programmes in the framework of WCRP and IGBP activities.
It is anticipated from WCRP/IGBP side that the European research consortium would contribute to the CABARE experiment, being one of the major activities of the research into the global change processes and impacts for the near future.
Design of the large scale field experiment is addressed in a novel way. Proposal aims to provide guidance to the design and implementation of CABARE- main experiment (to be executed in 1996-1998) on the basis of full integration of existing data from the region with a nested modeling approach.
The strategy involves the use of mesoscale models with different resolutions (participants 01 and 03); calibration and sensitivity analysis of SVAT-models (01 and 02), continuation of an existing climate and soil moisture monitoring network in the region (02) and the analysis of available satellite and airborne data (04).
The insight gained from this analysis will contribute substantially to the understanding of the main processes controlling the exchange of energy, water and momentum in the Amazon basin.
This has direct consequences for spatial and temporal resolution of individual measurements to be carried out in the main experiment, like ground fluxes, soil moisture monitoring, boundary layer sounding, airborne measurements and selection of satellite data to be acquired. It will also allow for more efficient use of available resources in terms of instrumentation and personnel during the main experiment. The four institutions proposing this project will have a backbone role in putting together a programme for European contribution to the main phase of CABARE.
A European workshop will be organized aimed at making an inventory of the potential contributions and a scientific experimental plan will be elaborated for the coordinated European input.

Call for proposal

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Coordinator

Agricultural Research Department
EU contribution
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Address
Droevensdaalsesteeg 3
6700 AC WAGENINGEN
Netherlands

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Total cost
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Participants (3)