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This dataset contains two potential evapotranspiration variables: daily total potential evapotranspiration (PET; kg m-2 d-1) and daily total potential evapotranspiration with interception correction (PETI; kg m-2 d-1). The units kg m-2 d-1 are equivalent to mm d-1. The data are provided in gridded netCDF files. There is one file for each variable, for each calendar month.","distributionFormats":[{"name":"NetCDF","type":"application/netcdf","version":"4"}],"distributorContacts":[{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"distributor","email":"info@eidc.ac.uk"}],"funding":[{"funderName":"Natural Environment Research Council","funderIdentifier":"https://ror.org/02b5d8509","awardNumber":"NE/S017380/1","awardURI":"https://gtr.ukri.org/projects?ref=NE%2FS017380%2F1","orcid":false,"ror":true}],"id":"beb62085-ba81-480c-9ed0-2d31c27ff196","incomingCitationCount":1,"incomingCitations":[{"description":"Slater, L., Coxon, G., Brunner, M., McMillan, H., Yu, L., Zheng, Y., Khouakhi, A., Moulds, S., & Berghuijs, W. (2024). Spatial Sensitivity of River Flooding to Changes in Climate and Land Cover Through Explainable AI. In Earth’s Future (Vol. 12, Issue 5). American Geophysical Union (AGU). ","url":"https://doi.org/10.1029/2023ef004035"}],"infoLinks":[{"url":"https://data-package.ceh.ac.uk/sd/beb62085-ba81-480c-9ed0-2d31c27ff196.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","type":"OTHER"}],"inspireThemes":[{"theme":"Atmospheric Conditions","uri":"http://inspire.ec.europa.eu/theme/ac"}],"keywordsOther":[{"value":"evaporation","uri":"http://www.eionet.europa.eu/gemet/concept/3019"},{"value":"evapotranspiration","uri":"http://www.eionet.europa.eu/gemet/concept/3022"},{"value":"hydrology","uri":"http://www.eionet.europa.eu/gemet/concept/4118"},{"value":"modelling","uri":"http://www.eionet.europa.eu/gemet/concept/5327"},{"value":"potential evaporation"},{"value":"potential evapotranspiration"}],"keywordsProject":[{"value":"Flood and Droughts Digital Research Infrastructure (FDRI)","uri":"https://digital.ceh.ac.uk/vocab/ra/5"}],"keywordsTheme":[{"value":"Climate and climate change","uri":"http://onto.nerc.ac.uk/CEHMD/topic/4"}],"licences":[{"value":"This resource is available under the terms of the Open Government Licence","code":"license","uri":"https://eidc.ac.uk/licences/ogl/plain"}],"lineage":"This dataset was derived from the HadUK-Grid meteorological dataset v1.0.3.0 on a 1km grid over the UK for 1969-2020 inclusive, v1.1.0.0 for 2021, and v1.2.0 for 2022. (https://catalogue.ceda.ac.uk/uuid/4dc8450d889a491ebb20e724debe2dfb). HadUK-Grid is a gridded dataset derived from observed meteorological station data. The daily total potential evapotranspiration (PET; kg m-2 d-1) was calculated using the Penman-Monteith equation parameterised for a well-watered grass surface. The daily total potential evapotranspiration with interception correction (PETI; kg m-2 d-1), was calculated as PET then a correction added for interception by a grass canopy on days with non-zero precipitation. The HadUK-Grid meteorological variables used were: daily maximum and minimum air temperature at 1.5 m (°C), daily precipitation (mm d-1), monthly mean water vapour pressure (hPa), monthly mean sea level pressure (hPa), monthly total sunshine hours (hours) and monthly mean wind speed at 10 m (m s-1). Other variables used were the surface elevation (m) and Ångström coefficients a, b and c. A description of the methodology is available in the supporting documentation.\n","metadataDate":"2026-07-03T06:51:09","notGEMINI":false,"onlineResources":[{"url":"https://data-package.ceh.ac.uk/sd/beb62085-ba81-480c-9ed0-2d31c27ff196.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","type":"OTHER"}],"pointsOfContact":[{"familyName":"Brown","givenName":"M.J.","organisationName":"UK Centre for Ecology & Hydrology","organisationIdentifier":"https://ror.org/00pggkr55","role":"pointOfContact","email":"enquiries@ceh.ac.uk","address":{"deliveryPoint":"Maclean Building, Benson Lane, Crowmarsh Gifford","city":"Wallingford","administrativeArea":"Oxfordshire","postalCode":"OX10 8BB","country":"United Kingdom"},"fullName":"Brown, M.J.","pointOfContact":"UK Centre for Ecology & Hydrology"}],"publicationDate":"2023-11-23T00:00:00.000Z","publishers":[{"organisationName":"NERC EDS Environmental 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