CLiDE environmental modelling platform

BGS Software

Environmental response to climate change is potentially complex, as surface-processes are coupled to varying degrees. In response to the lack of appropriate holistic models tackling environmental change, BGS initiated a research programme to address the dynamics of environmental sensitivity to climate change (DESC).

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Groundwater head changes in the Eden catchment over a year. Red=increasing groundwater heads, green=reduced heads, and black=no change.

The DESC project seeks to explore the interactions that exist between Earth systems at a range of spatio-temporal scales by coupling current landscape evolution modelling technologies to a host of bespoke geo-processing modules. To achieve this, CAESAR-Lisflood-DESC (CLiDE) platform, a quasi-three-dimensional geomorphological simulator that couples cellular automata modelling from various backgrounds, was developed. CLiDE is designed primarily for environmental systems research at the annual to decadal scale and is particularly focussed on system interaction.

CLiDE is a platform from which a variety of climate-derived, looped feedback earth systems research can be undertaken at daily to centennial timescales. A derived version of the well established CAESAR model, CAESAR-Lisflood, is used as the platform kernel. The surface water partitioning and subsurface water routing components of the model have since been replaced with a distributed hydrological model. To deal with complex energy and sediment fluxes that occur during a debris flow, a modified version of the SCIDDICA model has been incorporated into the CLiDE platform.

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A hypothetical debris flow with a barrier positioned on slope. Colours represent elevation; blue=low and red=high.

The CLiDE platform is currently being used in conjunction with Ghent University to assess the link between changes in land use and climate and gully development in Ethiopia and France and in conjunction with the Indian Institute of Technology (IIT), Kanpur to simulate erosion and sediment transport processes in the Ganges basin.

Barkwith, A, Hurst, M D, Jackson, C R, Wang, L, Ellis, M A, and Coulthard, T J. 2015. Simulating the influences of groundwater on regional geomorphology using a distributed, dynamic, landscape evolution modelling platform. Environmental Modelling and Software, 74, 1-20.

Barkwith, A, and Coulthard, T, 2014: CLiDE V1.0 user guide. Nottingham, UK, British Geological Survey, 54pp. (OR/14/011)

Tye, A M, Hurst, M D, Barkwith, A K A P. 2013. Nene phosphate in sediment investigation – Environment Agency Project REF: 30258. Nottingham, UK, British Geological Survey, 95pp. (OR/13/031)

Barkwith, Andrew; Hurst, Martin; Ellis, Michael; Coulthard, Thomas. 2014. Assessing the impacts of climate, groundwater and land use on regional geomorpholog. [Poster] In: AGU Fall Meeting 2014, San Francisco, USA, 15-19 Dec 2014.

These data are delivered under the GNU Licence of the CAESAR-Lisflood model.

Downloads

Please enter your details to download the CLiDE executable, source code (c# .NET) and example input files.

Contact

Contact Dr Andrew Barkwith for more information.

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