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African tropical montane forests are facing fast and dynamic changes in land use. However, the impacts of these changes on stream water quality are understudied. This paper aims at assessing the effect of land use and physical catchment characteristics on stream water concentrations of dissolved ...


Jacobs, S.R.Breuer, L.Butterbach-Bahl, KlausPelster, David E.Rufino, Mariana C.[Land use affects total dissolved nitrogen and nitrate concentrations in tropical montane streams in Kenya]Land use affects total dissolved nitrogen and nitrate concentrations in tropical montane streams in Kenya
Jacobs, S.R.Timbe, E.Weeser, B.Rufino, M.C.Butterbach-Bahl, KlausBreuer, L.[Assessment of hydrological pathways in East African montane catchments under different land use]Assessment of hydrological pathways in East African montane catchments under different land use

Land use change alters nitrate (NO3‐N) dynamics in stream water by changing nitrogen cycling, nutrient inputs, uptake and hydrological flow paths. There is little empirical evidence of these processes for East Africa. We collected a unique 2 year high‐resolution data set to assess the effects of ...


Jacobs, S.R.Weeser, B.Guzha, A.C.Rufino, Mariana C.Butterbach-Bahl, KlausWindhorst, D.Breuer, L.[Using high-resolution data to assess land use impact on nitrate dynamics in East African Tropical Montane Catchments]Using high-resolution data to assess land use impact on nitrate dynamics in East African Tropical Montane Catchments

We present a new model system, which facilitates scaling of ecosystem processes from the site to regional simulation domains. The new framework LandscapeDNDC partly based on the biogeochemical site scale model DNDC—inherits a series of new features with regard to process descriptions, model struc...


Haas, E.Klatt, SteffenFrohlich, A.Kraft, P.Werner, C.Kiese, RalfGrote, R.Breuer, L.Butterbach-Bahl, Klaus[LandscapeDNDC: A process model for simulation of biosphere–atmosphere–hydrosphere exchange processes at site and regional scale]LandscapeDNDC: A process model for simulation of biosphere–atmosphere–hydrosphere exchange processes at site and regional scale

Conversion of natural forest to other land uses could lead to significant changes in catchment hydrology, but the nature of these changes has been insufficiently investigated in tropical montane catchments, especially in Africa. To address this knowledge gap, we identified stream water sources an...


Jacobs, S.R.Timbe, E.Weeser, B.Rufino, Mariana C.Butterbach-Bahl, KlausBreuer, L.[Land use alters dominant water sources and flow paths in tropical montane catchments in East Africa]Land use alters dominant water sources and flow paths in tropical montane catchments in East Africa

Agriculture has been recognized as a major anthropogenic source of surplus loads of nitrogen in the environment. Losses of nitrate via subsurface pathways are severely threatening groundwater and surface waters. This study explored the capability of a coupled hydro-biogeochemical spatially explic...


Klatt, SteffenKraus, DavidKraft, P.Breuer, L.Wlotzka, M.Heuveline, V.Haas, E.Kiese, RalfButterbach-Bahl, Klaus[Exploring impacts of vegetated buffer strips on nitrogen cycling using a spatially explicit hydro-biogeochemical modeling approach]Exploring impacts of vegetated buffer strips on nitrogen cycling using a spatially explicit hydro-biogeochemical modeling approach

Land use change, especially conversion of native forests can have large impacts on water resources. Large scale conversion of native forests to agricultural land has occurred in the last few decades in the Mau Forest region. To quantify and understand landscape hydrologic responses, this study ai...


Owuor, Steven O.Butterbach-Bahl, KlausGuzha, A.C.Jacobs, S.Merbold, LutzRufino, Mariana C.Pelster, David E.Díaz Pinés, EugenioBreuer, L.[Conversion of natural forest results in a significant degradation of soil hydraulic properties in the highlands of Kenya]Conversion of natural forest results in a significant degradation of soil hydraulic properties in the highlands of Kenya

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