Application of the crop model WOFOST in grid using meteorological input data from reanalysis and objective analysis

Chervenkov, Hristo and Kazandjiev, Valentin and Gorgieva, Veska (2018) Application of the crop model WOFOST in grid using meteorological input data from reanalysis and objective analysis. IDŐJÁRÁS / QUARTERLY JOURNAL OF THE HUNGARIAN METEOROLOGICAL SERVICE, 122 (3). pp. 305-320. ISSN 0324-6329

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Abstract

Meteorological gridded datasets from the reanalysis ERA-Interim of the ECMWF and the objective analysis E-OBSv14.0 of the ECA&D are used to initialize the crop model WOFOST. The data is on daily basis with 0.25° horizontal resolution and the model domain entirely covers southeastern part of Europe. Hence, the general of the authors goal is to investigate the response of the crops system to the averaged weather conditions, rather than of a particular year. For this purpose, multi-year daily averages from the 30-year period of 1981–2010 are considered. This time-span is often treated as “modern climate”, and it is frequently used in many evaluation studies. A special, purpose-build software system is designed to perform the simulation, which steers the data flow and the exchange between the different modules. The produced outcome, in form of three-dimensional digital map of the crop production specific variables, shows high spatial and temporal consistency, revealing the relevant features of the geographical and chronological variation of the output parameters at the same time.

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