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Agriculture, System description of the wofost 6.0 crop simulation model implemented in CGMS, Volume 1. Theory and algorithms / I. Supit (1994)

Public Titre de série : Agriculture, System description of the wofost 6.0 crop simulation model implemented in CGMS, Volume 1 Titre : Theory and algorithms Type de document : Rapport Auteurs : I. Supit, Éditeur scientifique ; A.A. Hooijer, Éditeur scientifique ; C.A.. VAN Diepen, Éditeur scientifique Editeur : Luxembourg : Office des Publications de l'Union Européenne Année de publication : 1994 Collection : Un système d'information agronomique pour la Communauté Européenne Importance : 144 p. Format : 17 x 24 cm Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Agriculture [Termes IGN] Communauté Européenne [Termes IGN] cultures [Termes IGN] humidité du sol [Termes IGN] modèle de simulation [Termes IGN] système d'information agronomique Résumé : (Auteur) The present document describes the theoretical background of WOFOST. It has been prepared at the request of JRC by Iwan Supit on the basis of an earlier draft by Alex Hooijer. The editors have scanned the Fortran source code and scattered reports, books and articles, in particular the wealth of documents available from the Department of Theoretical Production Ecology of the Wageningen Agricultural University, the DLO-Winand Staring Centre (SC-DLO) and the Research Institute for Agrobiology and Soil Fertility (AB-DLO, formerly CABO). They selected what was applicable to WOFOST, and filled the gaps. This resulted in this more or less complete functional description of WOFOST Version 6.0, partly already published elsewhere by various authors. The motive to bring out this publication was that the original system description of WOFOST in the Simulation Monograph by van Keulen and Wolf (1986) does not cover the present model completely anymore, because of the inclusion of many new and more detailed process descriptions. The same applies to the WOFOST42 documentation by van Diepen et al (1988). This report is part of the software documentation of the CGMS and WOFOST. Other WOFOST documentation includes a user guide and a concise system description, to be published as SC-DLO Technical Documents, which are supplemented by documents on the Fortran Simulation Environment (FSE), the subroutine library TTUTIL, and the CABO weather documentation, all published by AB-DLO in the series "CABO-TT simulation reports". Note de contenu : CONTENTS ACKNOWLEDGEMENTS PREFACE 1 INTRODUCTION 2 ABOUT WOFOST 6.0 2.1 Development of WOFOST 2.2 Applications of WOFOST 2.3 Functionality 3 SIMULATION OF CONTINUOUS PROCESSES 4 WEATHER 4.1 Calculation of evapotranspiration 4.1.1 Preparatory calculations 4.1.2 Methods to estimate global radiation 4.1.3 Terms in the Penman formula 4.2 Day length and solar elevation 5 CROP 5.1 Overview of the crop growth model 5.2 Phenological development of a crop 5.2.1 Crop emergence 5.2.2 Phenological development stage 5.3 Daily assimilation 5.3.1 Total daily gross CO2 assimilation rate of the canopy 5.3.2 Total instantaneous gross CO2 assimilation of the canopy 5.4 Crop growth 5.4.1 Actual gross photosynthesis 5.4.2 Maintenance respiration 5.4.3 Growth respiration 5.4.4 Dry matter partitioning 5.4.5 Growth and leaf senescence 5.5 Root growth 5.6 Crop variables 5.6.1 Distribution and absorption of light in the canopy 5.6.2 Photosynthesis-light response of individual leaves 5.6.3 Respiration 6 SOIL WATER BALANCE 6.1 Evapo(transpi)ration 6.2 Soil water balance calculations, potential production 6.3 System without groundwater influence 6.3.1 The soil water submodel 6.3.2 Elements of the water balance 6.4 System with groundwater influence 6.4.1 Submodel with groundwater influence 6.4.2 Root extension and the actual soil moisture content 6.5 Calculation of capillary flow APPENDIX 1 APPENDIX 2 APPENDIX 3 APPENDIX 4 REFERENCES GLOSSARY Numéro de notice : 16684 Affiliation des auteurs : non IGN Nature : Rapport d'étude technique Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=41290

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