Coupling land-use change and hydrologic models for quantification of catchment 
ecosystem services

Yalew, S. G.; Pilz, T.; Schweitzer, C.; Liersch, Stefan; Kwast, J. van der; Griensven, A. van; Mul, M. L.; Dickens, C.; Zaag, P. van der

doi:10.1016/j.envsoft.2018.08.029

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Coupling land-use change and hydrologic models for quantification of catchment ecosystem services

Authors

Yalew, S. G.
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Pilz, T.
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Schweitzer, C.
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/persons/resource/Stefan.Liersch

Liersch, Stefan
Potsdam Institute for Climate Impact Research;

Kwast, J. van der
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Griensven, A. van
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Mul, M. L.
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Dickens, C.
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Zaag, P. van der
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Citation

Yalew, S. G., Pilz, T., Schweitzer, C., Liersch, S., Kwast, J. v. d., Griensven, A. v., Mul, M. L., Dickens, C., Zaag, P. v. d. (2018): Coupling land-use change and hydrologic models for quantification of catchment ecosystem services. - Environmental Modelling and Software, 109, 315-328.
https://doi.org/10.1016/j.envsoft.2018.08.029

Cite as: https://publications.pik-potsdam.de/pubman/item/item_22608

Abstract

Representation of land-use and hydrologic interactions in respective models has traditionally been problematic. The use of static land-use in most hydrologic models or that of the use of simple hydrologic proxies in land-use change models call for more integrated approaches. The objective of this study is to assess whether dynamic feedback between land-use change and hydrology can (1) improve model performances, and/or (2) produce a more realistic quantification of ecosystem services. To test this, we coupled a land-use change model and a hydrologic mode. First, the land-use change and the hydrologic models were separately developed and calibrated. Then, the two models were dynamically coupled to exchange data at yearly time-steps. The approach is applied to a catchment in South Africa. Performance of coupled models when compared to the uncoupled models were marginal, but the coupled models excelled at the quantification of catchment ecosystem services more robustly.