Spatialization and modelling of water balance components from plots to watersheds in Costa Rica and effects of agricultural land use and management practices on hydrological environmental services, with a focus on the coffee sector and its alternatives

Gomez Delgado Federico, Roupsard Olivier, Moussa Roger, Rapidel Bruno. 2009. Spatialization and modelling of water balance components from plots to watersheds in Costa Rica and effects of agricultural land use and management practices on hydrological environmental services, with a focus on the coffee sector and its alternatives. In : Modelling agroforestry systems : Workshop Proceedings,Turrialba, Costa Rica, 25-29 February 2008. Rapidel Bruno (ed.), Roupsard Olivier (ed.), Navarro Muriel (ed.). CATIE. Turrialba : CATIE, 281-288. (Technical Meetings, 14) ISBN 978-9977-57-479-4 Workshop on Modelling Agroforestry Systems, Turrialba, Costa Rica, 25 Février 2008/29 Février 2008.

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Titre espagnol : Espacializacion y modelacion de los componentes del balance hidrico en Costa Rica, de la parcela a la cuenca y efectos del uso agricola de la tierra y las practicas de manejo sobre los servicios ambientales hidrologicos, con un énfasis en el sector cafetalero y sus alternativas

Résumé : This is a proposal for the design and implementation of a coupled model that joins together agronomical and hydrological knowledge as a tool for the proposal of hydrological environmental services (HES). The main objective is the assessment of different productive practices and contrasts such as full-sun agriculture against agroforestry, in terms of their yield, but also of its effects on water quantity and quality for downstream users, from plot to watershed scale. The validation of this model would be based on data sets obtained from the observation of physical processes under an interdisciplinary perspective, in four different case analyses. This forces the modelling exercise to accomplish the demanded precision for the explanation of small-scale time-space phenomena (like energy and mass balances in an agroforestry stand) but also of bigger-scaled analysis (such as watershed water balance).

Mots-clés Agrovoc : utilisation des terres, agroforesterie, gestion des eaux

Mots-clés géographiques Agrovoc : Costa Rica

Mots-clés complémentaires : Service environnemental

Classification Agris : P10 - Ressources en eau et leur gestion
F08 - Systèmes et modes de culture
U10 - Informatique, mathématiques et statistiques

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