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CMIP7 data request: impacts and adaptation priorities and opportunities

Urheber*innen

Ruane,  Alex C.
External Organizations;

Pascoe,  Charlotte L.
External Organizations;

Teichmann,  Claas
External Organizations;

Brayshaw,  David J.
External Organizations;

Buontempo,  Carlo
External Organizations;

Diouf,  Ibrahima
External Organizations;

Fernandez,  Jesus
External Organizations;

Gonzalez,  Paula L. M.
External Organizations;

Hassler,  Birgit
External Organizations;

Hernaman,  Vanessa
External Organizations;

Im,  Ulas
External Organizations;

Iovino,  Doroteaciro
External Organizations;

Juckes,  Martin
External Organizations;

Lake,  Iréne L.
External Organizations;

/persons/resource/timothy.lam

Lam,  Timothy       
Potsdam Institute for Climate Impact Research;

Lin,  Xiaomao
External Organizations;

Mao,  Jiafu
External Organizations;

Nazarian,  Negin
External Organizations;

Parey,  Sylvie
External Organizations;

Roy,  Indrani
External Organizations;

Tseng,  Wan-Ling
External Organizations;

Turner,  Briony
External Organizations;

Wiebe,  Andrew
External Organizations;

Zhao,  Lei
External Organizations;

Zurell,  Damaris
External Organizations;

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Zitation

Ruane, A. C., Pascoe, C. L., Teichmann, C., Brayshaw, D. J., Buontempo, C., Diouf, I., Fernandez, J., Gonzalez, P. L. M., Hassler, B., Hernaman, V., Im, U., Iovino, D., Juckes, M., Lake, I. L., Lam, T., Lin, X., Mao, J., Nazarian, N., Parey, S., Roy, I., Tseng, W.-L., Turner, B., Wiebe, A., Zhao, L., Zurell, D. (2025): CMIP7 data request: impacts and adaptation priorities and opportunities. - Geoscientific Model Development, 18, 23, 9497-9540.
https://doi.org/10.5194/gmd-18-9497-2025


Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_33555
Zusammenfassung
The Coupled Model Intercomparison Project Phase 7 (CMIP7) undertook an extensive process to gather community input and refine data requests related to impacts and adaptation applications of Earth System Model (ESM) outputs. The Impacts and Adaptation (I&A) Data Request Team worked with CMIP7 leadership to distribute an open solicitation across many communities that use climate model outputs requesting inputs for new and existing variables, the most applicable temporal characteristics, and groupings of variables that together allow for specific application opportunities. This input was then collated and translated into CMIP7 standard templates for inclusion in the broader data request, leading to 13 I&A data request opportunities, 60 variable groups and 539 unique variables sought by vulnerability, impacts, adaptation, and climate services user communities. Here, we describe these opportunities and variable groups, as well as new insights into how ESM groups can prioritize outputs that set off a chain of further analyses, ultimately informing decisions impacting society and natural systems. These include an emphasis on high-resolution outputs to allow further modeling of climate impacts at regional and local scales, improved representation of extreme weather events, enhanced accuracy of downscaling and bias-adjustment techniques, and support for more detailed assessments for decision-making in adaptation and mitigation strategies. There is also broad interest in more extensive provisioning of two-dimensional variables at the Earth's surface, prioritizing experiments that enhance our understanding of both the recent past and future scenarios, and providing outputs that allow further downscaling and bias adjustment. We emphasize that variable groups are the fundamental level at which to engage with the I&A data request, matching the scale of input and the way output provision enables specific I&A applications. Given resource constraints, we applaud CMIP7 efforts to foster strong engagement and communication between ESM groups and the I&A team to build consensus around prudent compromises in priority variables, temporal resolutions, simulation experiments, time subsets, and ensemble members.