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Data

Canadian Centre for Climate Modelling and Analysis


IPCC SRES A1B Experiment

Data available through our interactive web server
Atmosphere/sea-ice model output:
Ocean model output:
Data available as global grid NetCDF files
Atmosphere/sea-ice model output:
Ocean model output:
Select another experiment

The atmosphere model output is provided on a 96x48 Gaussian grid (approximately 3.75° lat x 3.75° long). The ocean model output is provided on a 192x96 grid (2x2 oceanic grid boxes for each atmospheric grid box). Monthly data are available from 5 runs for years 2001-2100. Daily data are available for years 2046-2065 and 2081-2100. Daily data for several 2-D variables are available for years 2001-2100.

The user should be aware that grid box values are not directly comparable to station data. Climate models attempt to represent the full climate system from first principles on large scales. Physical "parameterizations" are used to approximate the effects of unresolved small scale processes because it is not economically feasible to include detailed representations of these processes in present day models. Caution is therefore needed when comparing climate model output with observations or analyses on spatial scales shorter than several grid lengths (approximately 1000 to 1500 km in mid-latitudes), or when using model output to study the impacts of climate variability and change. The user is further cautioned that estimates of climate variability and change obtained from climate model results are subject to sampling variability. This uncertainty arises from the natural variability that is part of the observed climate system and is generally well simulated by the climate models.