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Soil state and surface hydrology diagnosis based on MOSES in the Met Office Nimrod nowcasting system

Smith, R. N. B.; Blyth, E. M.; Finch, J. W.; Goodchild, S.; Hall, R.L.; Madry, S.. 2006 Soil state and surface hydrology diagnosis based on MOSES in the Met Office Nimrod nowcasting system. Meteorological Applications, 13. 89-109. 10.1017/S1350482705002069

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Abstract/Summary

A system has been developed and made operational at the Met Office for the real-time diagnosis of soil state and surface hydrology. It is based on the Met Office Surface Exchanges Scheme (MOSES) modified to take account of unresolved soil and topographic heterogeneity when calculating surface runoff by incorporating a Probability Distributed Moisture (PDM) scheme developed by the Centre for Ecology and Hydrology. The implementation of MOSES-PDM in the Met Office's Nimrod nowcasting system is described. High resolution soil characteristics and land cover data, together with Nimrod's analyses of precipitation amount and type, cloud cover and near-surface atmospheric variables are used to drive MOSES-PDM. Hourly values of snowmelt, runoff, net surface radiation, evaporation, potential evaporation, soil temperature, soil moisture and soil moisture deficit are calculated on a 5 km grid.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1017/S1350482705002069
Programmes: CEH Programmes pre-2009 publications > Water
CEH Sections: _ Process Hydrology
ISSN: 1350-4827
Format Availability: Electronic, Print
Additional Keywords: Nowcasting, soil moisture, surface hydrology, runoff, snowmelt
NORA Subject Terms: Meteorology and Climatology
Agriculture and Soil Science
Hydrology
Date made live: 27 Jun 2007 12:40
URI: http://nora.nerc.ac.uk/id/eprint/467

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