Strong contribution from sensible heat to global precipitation increase in climate models is not supported by observational based data

It has previously been shown that trends in sensible heat from climate models have had a substantial contribution to global precipitation changes. We illustrate that this is the case also in the most recent Coupled Model Intercomparison Project Phase 6 (CMIP6). However, we find that over the period since 1980 reanalyses do not support the reduction in sensible heat from the CMIP6 models and rather estimate a global increase in sensible heat which would contribute to a precipitation reduction. Satellite data over a period of two decades over global ocean generally show an opposite sign of the sensible heat trend to the CMIP6 models, similarly to the reanalyses.

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Publication Details

Journal
Frontiers in Climate
Published
2024-10-07
DOI
https://doi.org/10.3389/fclim.2024.1383337
Citations
1
Primary Topic
Climate variability and models
Type
article
Field-Weighted Citation Impact
0.28

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article

Strong contribution from sensible heat to global precipitation increase in climate models is not supported by observational based data

Caroline Jouan, Øivind Hodnebrog, Gunnar Myhre, Camilla W. Stjern
1 citations
Frontiers in Climate
Climate variability and models
0.28
article

Strong contribution from sensible heat to global precipitation increase in climate models is not supported by observational based data

Caroline Jouan, Øivind Hodnebrog, Gunnar Myhre, Camilla W. Stjern
article en
1 citations

Abstract

It has previously been shown that trends in sensible heat from climate models have had a substantial contribution to global precipitation changes. We illustrate that this is the case also in the most recent Coupled Model Intercomparison Project Phase 6 (CMIP6). However, we find that over the period since 1980 reanalyses do not support the reduction in sensible heat from the CMIP6 models and rather estimate a global increase in sensible heat which would contribute to a precipitation reduction. Satellite data over a period of two decades over global ocean generally show an opposite sign of the sensible heat trend to the CMIP6 models, similarly to the reanalyses.

Frontiers in ClimateVol. 6
CICERO Center for International Climate Research (NO)
Norges Forskningsråd
Climate action
Openalex Percentile: Top 41%
Climate variability and models
0.28
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Strong contribution from sensible heat to global precipitation increase in climate models is not supported by observational based data — Caroline Jouan, Øivind Hodnebrog, et al. · Frontiers in Climate (2024) | TGRS Research Map | TGRS