Articles | Volume 19, issue 1
https://doi.org/10.5194/hess-19-91-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-19-91-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
High-resolution global topographic index values for use in large-scale hydrological modelling
T. R. Marthews
CORRESPONDING AUTHOR
School of Geography and the Environment, University of Oxford, Oxford, OX1 3QY, UK
S. J. Dadson
School of Geography and the Environment, University of Oxford, Oxford, OX1 3QY, UK
B. Lehner
Department of Geography, McGill University, Montreal, H3A 0B9, Quebec, Canada
S. Abele
School of Geography and the Environment, University of Oxford, Oxford, OX1 3QY, UK
N. Gedney
Met. Office, Hadley Centre for Climate Prediction and Research, (JCHMR), Wallingford, OX10 8BB, UK
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Latest update: 23 Nov 2024
Short summary
Modelling land surface water flow is of critical importance in the context of climate change predictions. Many approaches are based on the popular hydrology model TOPMODEL, and the most important parameter of this model is the well-known topographic index. Here we present new, higher-resolution parameter maps of the topographic index, which are ideal for land surface modelling applications and show important improvements on the previous standard maps from HYDRO1k.
Modelling land surface water flow is of critical importance in the context of climate change...