Fast and slow precipitation responses to individual climate forcers: A PDRMIP multimodel study

B. H. Samset, G. Myhre, P. M. Forster, Hodnebrog, T. Andrews, G. Faluvegi, D. Fläschner, M. Kasoar, V. Kharin, A. Kirkevåg, J. F. Lamarque, D. Olivié, T. Richardson, D. Shindell, K. P. Shine, T. Takemura, A. Voulgarakis

    Research output: Contribution to journalArticle

    54 Citations (Scopus)

    Abstract

    Precipitation is expected to respond differently to various drivers of anthropogenic climate change. We present the first results from the Precipitation Driver and Response Model Intercomparison Project (PDRMIP), where nine global climate models have perturbed CO2, CH4, black carbon, sulfate, and solar insolation. We divide the resulting changes to global mean and regional precipitation into fast responses that scale with changes in atmospheric absorption and slow responses scaling with surface temperature change. While the overall features are broadly similar between models, we find significant regional intermodel variability, especially over land. Black carbon stands out as a component that may cause significant model diversity in predicted precipitation change. Processes linked to atmospheric absorption are less consistently modeled than those linked to top-of-atmosphere radiative forcing. We identify a number of land regions where the model ensemble consistently predicts that fast precipitation responses to climate perturbations dominate over the slow, temperature-driven responses.

    Original languageEnglish
    Pages (from-to)2782-2791
    Number of pages10
    JournalGeophysical Research Letters
    Volume43
    Issue number6
    DOIs
    Publication statusPublished - Mar 28 2016

    Fingerprint

    climate
    black carbon
    atmospheric attenuation
    top of atmosphere
    radiative forcing
    insolation
    climate models
    carbon
    global climate
    climate change
    climate modeling
    surface temperature
    perturbation
    sulfate
    sulfates
    project
    scaling
    atmospheres
    causes
    temperature

    All Science Journal Classification (ASJC) codes

    • Geophysics
    • Earth and Planetary Sciences(all)

    Cite this

    Samset, B. H., Myhre, G., Forster, P. M., Hodnebrog, Andrews, T., Faluvegi, G., ... Voulgarakis, A. (2016). Fast and slow precipitation responses to individual climate forcers: A PDRMIP multimodel study. Geophysical Research Letters, 43(6), 2782-2791. https://doi.org/10.1002/2016GL068064

    Fast and slow precipitation responses to individual climate forcers : A PDRMIP multimodel study. / Samset, B. H.; Myhre, G.; Forster, P. M.; Hodnebrog; Andrews, T.; Faluvegi, G.; Fläschner, D.; Kasoar, M.; Kharin, V.; Kirkevåg, A.; Lamarque, J. F.; Olivié, D.; Richardson, T.; Shindell, D.; Shine, K. P.; Takemura, T.; Voulgarakis, A.

    In: Geophysical Research Letters, Vol. 43, No. 6, 28.03.2016, p. 2782-2791.

    Research output: Contribution to journalArticle

    Samset, BH, Myhre, G, Forster, PM, Hodnebrog, Andrews, T, Faluvegi, G, Fläschner, D, Kasoar, M, Kharin, V, Kirkevåg, A, Lamarque, JF, Olivié, D, Richardson, T, Shindell, D, Shine, KP, Takemura, T & Voulgarakis, A 2016, 'Fast and slow precipitation responses to individual climate forcers: A PDRMIP multimodel study', Geophysical Research Letters, vol. 43, no. 6, pp. 2782-2791. https://doi.org/10.1002/2016GL068064
    Samset, B. H. ; Myhre, G. ; Forster, P. M. ; Hodnebrog ; Andrews, T. ; Faluvegi, G. ; Fläschner, D. ; Kasoar, M. ; Kharin, V. ; Kirkevåg, A. ; Lamarque, J. F. ; Olivié, D. ; Richardson, T. ; Shindell, D. ; Shine, K. P. ; Takemura, T. ; Voulgarakis, A. / Fast and slow precipitation responses to individual climate forcers : A PDRMIP multimodel study. In: Geophysical Research Letters. 2016 ; Vol. 43, No. 6. pp. 2782-2791.
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