Main components in the Catchment SIMulation (CSIM) model's conceptualization of terrestrial hydrology

Main components in the Catchment SIMulation (CSIM) model's conceptualization of terrestrial hydrology

CSIM - Catchment SIMulation

At the core of the Baltic NEST decision support system sits the Catchment SIMulation (CSIM) hydrologic model framework. 


For further informaion contact:

* Magnus Mörth

* Steve Lyon

* Christoph Humborg

Water has a central role in the transport of nutrients and pollutants from terrestrial to aquatic systems. As such, terrestrial hydrologic models form key components of decision support systems, specifically in shaping the development and implementation of whole-ecosystem management strategies.

Coupling water and nutrients

CSIM - the Catchment SIMulation hydrologic model framework has been developed explicitly to represent the flux of water and nutrients from the Baltic Sea drainage basin.

Within the CSIM model, water from land is routed to streams both directly as surface runoff and indirectly through subsurface compartments as groundwater runoff. These water flows are coupled to nutrient loading using the Net Anthropogenic Nitrogen/Phosphorous Input approach.

Representing current and future trends

Using CSIM to determine future trajectories, it has been shown that changes in lifestyle will determine future increases to nutrient loads in the southern Baltic while climate change drives the anticipated nutrient increases in the north. 

More information

CSIM has been a key component in the research conducted in the RECOCA-project, part of the BONUS programme.

Here you can find a list of publications from the RECOCA project.

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Web editor: Marmar Nekoro

Updated: 2014-03-17
Baltic Nest Institute Sweden
Baltic Sea Centre, Stockholm University
SE-106 91 Stockholm, Sweden, +46-8-16 37 18
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Baltic Nest Institute Finland
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