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European energy and water balance monitoring system.

Objectif



Objectives
The prime objective is to develop and demonstrate a service for providing national to regional scale energy and water balance products on the basis of METEOSAT. Two participating customers will evaluate the utility of the products for their tasks in the fields of environment and hydrology. External customers will be addressed via the mechanism of the CEO Enabling Services.
Applications
The radiation, actual evapotranspiration and rainfall information that is extracted from METEOSAT data has a variety of applications. For example: filling gaps in meteo networks, regional water balance studies, water distribution planning, modelling the fate of agrochemicals, monitoring of drought, desertification and climatic change impact, crop yield forecasting and early warning, locust pest early warning, initialising weather forecasting models. Actual evapotranspiration has never been available from meteorological networks, but is of utmost importance.
Relevance to EC
"There is a serious lack of baseline data, statistics, indicators and other quantitative and qualitative material required to assess environmental conditions and trends, to determinate and adjust public policies and to underpin financial investments" (Official Journal of the European Community 1993/C138/69). The products of the EWBMS are complementary to CORINE data. The project fits well with the objectives of the CEO programme in the sense that it contributes to a European system for earth observation by stimulating user oriented services.
State of the art
Present state of the art in energy and water balance monitoring is based on results of the ASMODE project (EV5V-CT91-0029). Since 1992 a dedicated METEOSAT receiving station has been put in operation and a number of experimental monitoring products have been produced on a pixel by pixel basis and for timescales varying from one day to a year: cloud top level frequencies, rainfall, surface albedo, net radiation, actual evapotranspiration, relative evapotranspiration, thermal inertia (measure of soil moisture), Budyko Lettau aridity index, desertification index,relative growth of a standard crop, end of season crop yield.
Approach and work content
In this project the earth observation "service provider" (EARS) is cooperating with two potential "customers" to evaluate the use of the Meteosat derived energy and water balance data. The role of the data in their decision/productio process is defined and the data requirements are specified. EARS will receive, process, calibrate, deliver and evaluate data products during a period of 2 years. WAU/MD will carry out energy balance measurements at two sites in Spai for calibration and validation. The European Topic Centre on Inland Waters (ETC/IW), belonging to the European Environment Agency (EEA), will apply and evaluate the utility of the data in the framework of their EEA mandate, in particular for the case a water balance assessment of the Danube river basin. CEDEX will carry out similar assessments in Spain. Other customers addressed via the CEO Enabling Services will submit application reports. The cost-effectiveness of the EWBMS products will be studied and conclusions will be drawn and recommendations made on a possible implementation in the European framework.

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CSC - Cost-sharing contracts

Coordinateur

Ingenieursbureau voor Environmental Analysis and Remote Sensing BV
Contribution de l’UE
Aucune donnée
Adresse
1,Kanaalweg
2628 EB Delft
Pays-Bas

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Coût total

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