Title: Calculation of Agro-Climatic Factors from Global Climatic Data
Authors: Jedlička, Karel
Valeš, Jiří
Hájek, Pavel
Kepka, Michal
Pitoňák, Martin
Citation: JEDLIČKA, K. VALEŠ, J. HÁJEK, P. KEPKA, M. PITOŇÁK, M.Calculation of Agro-Climatic Factors from Global Climatic Data. Applied Sciences, 2021, roč. 11, č. 3, s. 1-24. ISSN 2076-3417.
Issue Date: 2021
Publisher: MDPI
Document type: článek
URI: 2-s2.0-85100405690
ISSN: 2076-3417
Keywords in different language: agro-climatic factors;ERA5-Land;agriculture;frost-free period;water balance;solar radiation;nitrogen application;temperature;growing period;Pilsen region
Abstract in different language: This manuscript aims to create large-scale calculations of agro-climatic factors from global climatic data with high granularity-climatic ERA5-Land dataset from the Copernicus Climate Change Service in particular. First, we analyze existing approaches used for agro-climatic factor calculation and formulate a frame for our calculations. Then we describe the design of our methods for calculation and visualization of certain agro-climatic factors. We then run two case studies. Firstly, the case study of Kojčice validates the uncertainty of input data by in-situ sensors. Then, the case study of the Pilsen region presents certain agro-climatic factors calculated for a representative point of the area and visualizes their time-variability in graphs. Maps represent a spatial distribution of the chosen factors for the Pilsen region. The calculated agro-climatic factors are frost dates, frost-free periods, growing degree units, heat stress units, number of growing days, number of optimal growing days, dates of fall nitrogen application, precipitation, evapotranspiration, and runoff sums together as water balance and solar radiation. The algorithms are usable anywhere in the world, especially in temperate and subtropical zones.
Rights: Plný text je přístupný v rámci univerzity přihlášeným uživatelům.
Appears in Collections:Články / Articles (NTIS)
Články / Articles (KGM)

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