The UK Climate Projections 2009 (UKCP09) projections of temperature from low, medium and high emissions scenarios' equivalent global temperature changes. They are probabilistic climate predictions based on families of runs of the Met Office Hadley Centre climate models HadCM3, HadRM3 and HadSM3, plus climate models from other climate centres contributing to IPCC AR4 and CMIP3.
The equivalent changes in global temperatures are taken from three emissions scenarios: low (IPCC SRES: B1), medium (IPCC SRES: A1B), and high (IPCC SRES: A1FI). Each scenario provides estimates over seven 30 year period averages: 2010-2039, 2030s = 2020-2049, 2040s = 2030-2059, 2050s = 2040-2069, 2060s = 2050-2079, 2070s = 2060-2089, 2080s = 2070-2099. Temperature changes are given relative to 1961-1990.
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Public data: access to these data is available to both registered and non-registered users.
Use of these data is covered by the following licence: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Original data were produced by the Met Office as part of the UKCP09 service before preparation for archival with the Centre for Environmental Data Analysis (CEDA.)
The UKCP09 data were quality controlled by the UKCP09 partners prior to being made available through the UKCP09 data portal in 2009. See the UKCP09 climate projections review and response along with further details are in given in the relevant projections reports (and external websites) which are available under "Docs".
The data are provided in NetCDF format and adhere to v1.0 of the CF data conventions
|Title||UKCP09 data computation|
|Abstract||These UKCP09 data were generated using outputs from a Met-Office Hadley Centre (MOHC) regional climate model. See the climate projections report for full details of the methodology.|
- units: K
- long_name: Mean air temperature at 1.5m
- var_id: temp_dmean_tmean_abs
- names: Mean air temperature at 1.5m
- var_id: climatology_bounds
- long_name: cumulative distribution function
- standard_name: cumulative_distribution_function
- var_id: percentile
- names: cumulative_distribution_function, cumulative distribution function
- standard_name: region
- long_name: named geographical region
- var_id: region_name
- names: region, named geographical region
- long_name: realization weights
- standard_name: realization_weights
- var_id: weights
- names: realization weights, realization_weights
- long_name: sample number
- var_id: sample
- names: sample number
- long_name: time
- var_id: time
- names: time