Chapter

The Earth's Hydrological Cycle

Volume 46 of the series Space Sciences Series of ISSI pp 739-764

Date:

Perspectives in Modelling Climate–Hydrology Interactions

  • Stefan HagemannAffiliated withMax-Planck-Institut für Meteorologie Email author 
  • , Tanja BlomeAffiliated withMax-Planck-Institut für Meteorologie
  • , Fahad SaeedAffiliated withClimate Service Center, Helmholtz-Zentrum Geesthacht
  • , Tobias StackeAffiliated withMax-Planck-Institut für Meteorologie

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Abstract

Various land–atmosphere coupling mechanisms exist that may lead to large-scale impacts on climate and hydrology. Some of them are still less understood and not adequately represented in state-of-the-art climate modelling. But, as the current generation of climate models enables consideration and implementation of important coupling processes, the present study provides perspectives for the modelling of relevant climate–hydrology interactions. On a more short-term perspective, these comprise anthropogenic land use and especially irrigation, which has been shown that it may even affect remote regions. On a long-term perspective, the coupling of hydrology to carbon cycle and vegetation becomes important, specifically the dynamics of permafrost and wetlands. Here, we present a review of current knowledge combined with some exemplary studies from a large-scale point of view. Therefore, we focus on climate–hydrology interactions that are relevant on scales utilized in the current or forthcoming global and regional climate modelling exercises.

Keywords

Irrigation Land atmosphere feedbacks Land-use impacts Modelling perspectives Permafrost and wetland dynamics