A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea Feedbacks

ABSTRACT Under global warming, cloud change and its radiative feedback have often been considered to evolve from thermodynamic processes; however, cloud feedback may also force sea surface temperature to trigger such air–sea interactions. Due to complex cloud physics in air–sea coupling, this contri...

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Main Authors: Xiao Guo, Biao Feng, Zhiying Zhao, Jian Ma
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Geoscience Data Journal
Subjects:
Online Access:https://doi.org/10.1002/gdj3.286
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author Xiao Guo
Biao Feng
Zhiying Zhao
Jian Ma
author_facet Xiao Guo
Biao Feng
Zhiying Zhao
Jian Ma
author_sort Xiao Guo
collection DOAJ
description ABSTRACT Under global warming, cloud change and its radiative feedback have often been considered to evolve from thermodynamic processes; however, cloud feedback may also force sea surface temperature to trigger such air–sea interactions. Due to complex cloud physics in air–sea coupling, this contributes to the surface warming pattern formation with significant uncertainty. Here we develop a novel overriding technique for climate projections that substitutes specific variables in control runs to isolate such feedback mechanisms, decoupling thermodynamic, dynamical and radiative responses of the surface ocean to the atmosphere. We apply this to the Community Earth System Model version 2 (CESM2) and perform a series of 150‐year simulations with 1% CO2 increase per year (1pctCO2). In real time, the key variables under 1pctCO2 are replaced with those from the current climate, such as downwelling shortwave radiation, wind speed in latent and sensible heat and wind stress. These experiments provide monthly output of global distributions including surface temperatures, winds and precipitation, with a spatial resolution of 1.9° × 2.5° in latitude and longitude and 32 levels for the atmosphere and of ~1° and 60 layers designated as gx1v7 for the ocean. This open access dataset for partial air–sea coupling under climate change can help understand the tropical and polar warming patterns and quantify the relative contributions of forcing and triggering mechanisms.
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spelling doaj-art-e0352ae5728c4913a2b696e0e65087b12025-01-27T08:26:33ZengWileyGeoscience Data Journal2049-60602025-01-01121n/an/a10.1002/gdj3.286A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea FeedbacksXiao Guo0Biao Feng1Zhiying Zhao2Jian Ma3School of Oceanography Shanghai Jiao Tong University Shanghai ChinaSchool of Oceanography Shanghai Jiao Tong University Shanghai ChinaSchool of Oceanography Shanghai Jiao Tong University Shanghai ChinaSchool of Oceanography Shanghai Jiao Tong University Shanghai ChinaABSTRACT Under global warming, cloud change and its radiative feedback have often been considered to evolve from thermodynamic processes; however, cloud feedback may also force sea surface temperature to trigger such air–sea interactions. Due to complex cloud physics in air–sea coupling, this contributes to the surface warming pattern formation with significant uncertainty. Here we develop a novel overriding technique for climate projections that substitutes specific variables in control runs to isolate such feedback mechanisms, decoupling thermodynamic, dynamical and radiative responses of the surface ocean to the atmosphere. We apply this to the Community Earth System Model version 2 (CESM2) and perform a series of 150‐year simulations with 1% CO2 increase per year (1pctCO2). In real time, the key variables under 1pctCO2 are replaced with those from the current climate, such as downwelling shortwave radiation, wind speed in latent and sensible heat and wind stress. These experiments provide monthly output of global distributions including surface temperatures, winds and precipitation, with a spatial resolution of 1.9° × 2.5° in latitude and longitude and 32 levels for the atmosphere and of ~1° and 60 layers designated as gx1v7 for the ocean. This open access dataset for partial air–sea coupling under climate change can help understand the tropical and polar warming patterns and quantify the relative contributions of forcing and triggering mechanisms.https://doi.org/10.1002/gdj3.286air–sea interactionclimate simulationcloud feedbackglobal warmingoverriding experiment
spellingShingle Xiao Guo
Biao Feng
Zhiying Zhao
Jian Ma
A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea Feedbacks
Geoscience Data Journal
air–sea interaction
climate simulation
cloud feedback
global warming
overriding experiment
title A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea Feedbacks
title_full A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea Feedbacks
title_fullStr A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea Feedbacks
title_full_unstemmed A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea Feedbacks
title_short A Climate Simulation Dataset From 11 Overriding Experiments for Analysing Cloud and Air–Sea Feedbacks
title_sort climate simulation dataset from 11 overriding experiments for analysing cloud and air sea feedbacks
topic air–sea interaction
climate simulation
cloud feedback
global warming
overriding experiment
url https://doi.org/10.1002/gdj3.286
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