季节性对中纬度海洋云增亮气候结果的影响

IF 4.6 1区地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY

Geophysical Research Letters Pub Date : 2025-06-10 DOI:10.1029/2025GL115359

Erin Emme, Chih-Chieh Chen, Hannah M. Horowitz

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引用次数: 0

摘要

以往关于海洋云增亮（MCB）的研究大多集中在副热带层积云甲板上的部署，这持续导致El Niño南方涛动（ENSO）的不均匀冷却和中断。最近的一项研究表明，在中纬度地区部署MCB可以减轻这些副作用。本文利用社区地球系统模型第2版（CESM2）研究了季节性对中纬度MCB部署策略的影响。具体而言，MCB的有效性，对地表温度和降水模式的诱导响应以及ENSO进行了研究。结果表明：(a)中纬度地区单半球MCB的部署使热带辐合带（ITCZ）发生偏移；(b)秋冬两季在两个半球中纬度地区部署MCB带来的气候结果副作用最小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Impact of Seasonality on Climate Outcomes for Mid Latitude Marine Cloud Brightening

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Impact of Seasonality on Climate Outcomes for Mid Latitude Marine Cloud Brightening

Most previous studies on marine cloud brightening (MCB) have focused on deployment over the subtropical stratocumulus cloud decks which persistently result in non-uniform cooling and disruption of the El Niño Southern Oscillation (ENSO). A recent study demonstrated that MCB deployment over mid-latitudes, instead, could alleviate such side effects. Here, with the Community Earth System Model version 2 (CESM2), we investigate the impact of seasonality on the mid-latitude MCB deployment strategy. Specifically, efficacy of MCB, induced response in surface temperature and precipitation patterns, and ENSO are examined. The results suggest that (a) single hemisphere MCB deployment in midlatitude regions shifts the Intertropical Convergence Zone (ITCZ) and (b) midlatitude MCB deployment over both hemispheres during fall and winter delivers climate outcomes with the least side effects.

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来源期刊

Geophysical Research Letters 地学-地球科学综合

CiteScore

9.00

自引率

9.60%

发文量

1588

审稿时长

2.2 months

期刊介绍： Geophysical Research Letters (GRL) publishes high-impact, innovative, and timely research on major scientific advances in all the major geoscience disciplines. Papers are communications-length articles and should have broad and immediate implications in their discipline or across the geosciences. GRLmaintains the fastest turn-around of all high-impact publications in the geosciences and works closely with authors to ensure broad visibility of top papers.