Information portals and sources of scenario data

CMIP5 home page
Description of CMIP5 experimental design and links to model output archive

CMIP6 home page
Description of CMIP6 experimental design and links to related datasets

Earth System Grid Federation ESGF@DOE/LLNL projects page
Provides access to CMIP3 and CMIP5 model output archive, and will be home to CMIP6 archive once available

European Network for Earth System modeling (ENES )
Is closely related to ESGF. Provides information and services on the European Earth System Models and some associated tools, on data produced by internationally coordinated climate model experiments and on the use of high-performance computing facilities to run complex climate simulations

Obs4MIPS
Provides access to a growing archive of observational data, in the same format as CMIP model output, to facilitate model evaluation

Shared Socioeconomic Pathways (SSPs)
Provides access to greenhouse gas, aerosols, land-use and other forcings used as input to CMIP6 models

NOAA ocean observations
A range of sea-surface temperature products

NOAA surface temperature observations
A large collection of different surface temperature data sets

National Snow and Ice Data Centre
Home page for a large archive of cryosphere data (snow, sea-ice, glaciers, ice sheets, permafrost)

UK Met Office Hadley Centre
Near surface air temperature, sea-surface temperature, and sea-ice concentration data set compiled by Hadley Centre

International Climate Assessment & dataset (ICA&D)
Information on changes in weather and climate extremes, as well as the daily dataset needed to monitor and analyse these extremes

IPCC Data Distribution Centre
The DDC provides climate, socio-economic and environmental data, both from the past and also in scenarios projected into the future. Technical guidelines on the selection and use of different types of data and scenarios in research and assessment are also provided

Canadian Climate Data and Scenarios (CCDS)
Canadian Climate Data and Scenarios site, providing historical climate data for Canada, along with CMIP3 and CMIP5- derived future climate scenarios

Royal Netherlands Meteorological Institute (KNMI) Climate Explorer
Netherlands site hosting a range of observation and model-based climate information, along with user-oriented tools for analysis

UKCIP (formerly UK Climate Impacts Programme)
UK-based site providing climate data and tools to support adaptation planning

UNEP PROVIA Country Level Impacts of Climate Change (CLICC)
UNEP Provia site for country-level impact studies

UNEP PROVIA Guidance document
Guidance document on assessing vulnerability, impacts and adaptation to climate change

CORDEX

Regional climate model output

CRU

Observationally-based global temperature analyses

CMAP

Gridded precipitation data

GPCC

Global precipitation climatology

GPCP