With the help of the monthly data on temperature, precipitation and potential evapotranspiration, the length of the thermal and hygric vegetation periodVegetation period can be calculated as ecologically relevant variables of the heat and water balance and transferred to an ecoclimate classification system (see Fig. 4.8).

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Material and Method

  • M. Daud Rafiqpoor,
  • Siegmar-W. Breckle

摘要

With the help of the monthly data on temperature, precipitation and potential evapotranspiration, the length of the thermal and hygric vegetation periodVegetation period can be calculated as ecologically relevant variables of the heat and water balance and transferred to an ecoclimate classification system (see Fig. 4.8).