High-resolution global topographic index values
[THIS DATASET HAS BEEN WITHDRAWN]. The topographic index is a hydrological quantity describing the propensity of the soil at landscape points to become saturated with water as a result of topographic position (i.e. not accounting for other factors such as climate that also affect soil moisture but are accounted for separately). Modern land surface models require a characterisation of the land surface hydrological regime and this parameter allows the use of the TOPMODEL hydrological model to achieve this .This Geographic Information System layer is intended for use as topographic ancillary files for the TOPMODEL routing model option within the Joint UK Land Environment Simulator (JULES) land surface model. The topographic index variable here is directly comparable to the compound topographic index available from United States Geological Survey's Hydro1K at 30 sec resolution. Full details about this dataset can be found at https://doi.org/10.5285/ce391488-1b3c-4f82-9289-4beb8b8aa7da
dataset
https://catalogue.ceh.ac.uk/id/ce391488-1b3c-4f82-9289-4beb8b8aa7da
doi:
eng
environment
Hydrography
publication
2008-06-01
Topography
hydrology
soil moisture
inundation
spatial data
hydrological regimes
-180
180
86.1
-56.35
2014-01-01
publication
2014-11-30
notPlanned
The GA2 algorithm has been used to calculate these topographic index values, using base data layers provided by the HydroSHEDS suite of GIS layers. All files were generated using FORTRAN 90 at 15 arc-sec resolution (cells circa 450 m x 450 m at the Equator).
publication
2010-12-08
NetCDF
© UK Centre for Ecology & Hydrology
If you reuse this data, you should cite: Marthews, T.R., Dadson, S.J., Lehner, B., Abele, S., Gedney, N. (2014). High-resolution global topographic index values. NERC Environmental Information Data Centre https://doi.org/10.5285/ce391488-1b3c-4f82-9289-4beb8b8aa7da
UK Centre for Ecology & Hydrology
pointOfContact
University of Oxford
author
University of Oxford
author
McGill University
author
University of Oxford
author
Hadley Centre for Climate Prediction and Research
nicola.gedney@metoffice.gov.uk
author
Environmental Information Data Centre
custodian
NERC Environmental Information Data Centre
publisher
UK Centre for Ecology & Hydrology
owner
Environmental Information Data Centre
Lancaster Environment Centre, Library Avenue, Bailrigg
Lancaster
LA1 4AP
UK
pointOfContact
2020-03-13T14:22:58