HadGEM1 Climate Model Projections for IPCC A2 Scenario

HadGEM1 climate model simulations provide input for the IPCC Fourth Assessment Report, reflecting a future scenario of regionally-oriented economic development. The model includes interactive couplings for the atmosphere, ocean, biosphere, atmospheric chemistry, and aerosols. This specific run for the IPCC A2 Scenario was developed by the Hadley Centre between 2000 and 2004.

Use Cases

• Analyze projected changes in atmospheric variables like temperature and precipitation under the A2 socio-economic scenario.
• Study the impact of interactive couplings, such as the sulphur cycle and atmospheric aerosols, on future climate simulations.
• Compare model outputs for the A2 'divided world' scenario against other IPCC scenario runs to assess scenario sensitivity.
• Validate or downscale coarse-resolution future climate projections for regional impact studies.
• Investigate feedbacks between the biosphere and atmosphere under conditions of continuously increasing global population.

Strengths

• Model developed by the authoritative Hadley Centre and used for the IPCC Fourth Assessment Report.
• Includes improved resolution and support for multiple interactive Earth system couplings compared to prior models.

Limitations

• Specific temporal coverage, spatial resolution, and output variable details are not provided.
• The dataset represents a single model run for one future scenario, limiting comparative analysis.

Provenance

Source

Hadley Centre Global Environmental Model version 1 (HadGEM1), developed from the Met Office Unified Model.

Collection Method

Numerical climate model simulation for the IPCC SRES A2 future scenario.

Time Range

Future projection period (specific years not stated), continuing from a Historic Anthropogenic simulation.

Freshness

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Geography

Global coverage.