Intersectoral Impact Model Intercomparison Project
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The Intersectoral Impact Model Intercomparison Project (ISIMIP) is a community-driven project comparing computer models of the impacts of climate change. It aims to contribute to a cross-sectoral understanding of the impacts of climate change by providing common simulation scenarios and input climate data and consistent simulation protocols for a number of sectors for historical and future politically and scientifically-relevant climate-change scenarios.:[1] Participation is open to any model capable of following the simulation protocol.
Overview[edit]
History[edit]
ISIMIP was initiated by the Potsdam Institute for climate research (PIK) and the International Institute for Applied Systems Analysis (IIASA). It now involves over 100 modelling groups from around the world[1].
The first ISIMIP simulation round, ISIMIP Fast Track, ran from early 2012 until 2013 and provided outcomes for the IPCCs Fith Assessment Report (AR5)[2]. Models were provided with the following pre-processed input data: climate data based on the Representative Concentration Pathways (RCPs) from the CMIP5 archive, and socio-economic data based on the Shared Socioeconomic Pathways (SSPs). Fast Track simulations were submitted by 35 impact-modelling teams, covering the agriculture, water, global biomes, coastal systems and vector-borne diseases sectors all at the global scale.
The second simulation round, ISIMIP2, comprised of ISIMIP2a, which focused on model evaluation, and ISIMIP2b which considered impacts on different sectors. ISIMIP2a added modelling intercomparison efforts in fisheries, permafrost, biodiversity, regional water, forests and energy, to the sectors already covered in the Fast Track. The focus topic for ISIMIP2b was to provide robust information about the impacts of 1.5°C global warming and related low-emission pathways for the IPCC's Special Report. ISIMIP2b considered the impacts on the following sectors at the global and regional scales: water, fisheries and marine ecosystems, energy supply and demand, forests, biomes, agriculture, agro-economics, terrestrial biodiversity, permafrost, coastal systems, health and lakes[3].
The ISIMIP3 simulation round has started with the release of the ISIMIP3a and 3b protocols on 21 February 2020. As a new sector, the fire sector has been included. The ISIMIP3a on model evaluation and improvement and detection and attribution of observed impacts according to the framework of the IPCC WGII-AR5 Chapter 18 definition[4]. It includes a counterfactual “no-climate change baseline” (detrended climate + observed socio-economic forcing). As with ISIMIP2b, ISIMIP3b aims to quantify climate-related risks under different scenarios. A particular focus is put on providing socioeconomic forcing data that account for different adaptation scenarios (group III simulations).
Sectors[edit]
Participating models cover impacts in a growing number of sectors, including[5]
- Global water
- Regional water
- Water Quality
- Fisheries and marine ecosystems
- Energy supply and demand
- Regional forests
- Global biomes
- Agriculture
- Agro-economic modelling
- Terrestrial biodiversity
- Permafrost
- Coastal systems
- Health
- Lakes
- Fire
References[edit]
- ↑ 1.0 1.1 "About ISIMIP". isimip.org. Retrieved 2022-08-15.
Text was copied from this source, which is available under a Creative Commons Attribution 4.0 International License.
- ↑ Beyer, Maximilian (1 February 2014). "Contributions to 5th Assessment Report". ISIMIP. Retrieved 2022-08-15.
- ↑ Frieler, Katja (30 November 2017). "Assessing the impacts of 1.5 °C global warming – simulation protocol of the Inter-Sectoral Impact Model Intercomparison Project (ISIMIP2b)". GMD. 10 (12): 4321–4345. Bibcode:2017GMD....10.4321F. doi:10.5194/gmd-10-4321-2017. Retrieved 2022-08-15. Unknown parameter
|s2cid=ignored (help) - ↑ Cramer, Wolfgang (2014). "Detection and Attribution of Observed Impacts" (PDF). IPCC. Retrieved 2022-08-15.
- ↑ "ISIMIP3 Protocol". isimip.org. Retrieved 2022-08-15.
External links[edit]
- Official website
- ISIpedia the outreach channel of ISIMIP where studies may be described in layman's terms.
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