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Responses of extreme climates in South Asia under a G6sulfur scenario of climate engineering

  • Jingrong Wang
    ,
  • Zhihua Zhang
    ,
  • James Crabbe
    ,
  • Lipon Chandra Das
  • Shandong University
    ,
  • University of Oxford
    ,
  • University of Chittagong
Research Output: Contribution to journal Article Peer-review

Open access

Sustainable Development Goals

  • SDG 13 - Climate Action
    SDG 13 Climate Action

Abstract

Under global warming scenarios, extreme climate events in South Asia will occur more frequently which will seriously threaten the safety of local residents. South Asia faces dual pressures of the obligation of carbon emissions reduction globally and the demand for a better life for huge populations. Stratospheric Aerosol Injection (SAI) climate engineering provides a potential solution to this dilemma. We compared the evolution of 12 climate extreme indices under historical scenarios, two future scenarios (SSP245, SSP585) and an implementation scenario of SAI climate engineering (G6sulfur). We showed that the intensity and frequency of extreme climates under a G6sulfur scenario would be significantly higher than those under historical scenarios, and that the difference in extreme climates under three scenarios (SSP245, SSP585, and G6sulfur) would be widely varying, with some indices being considerably mitigated while others would reflect a worse set of circumstances than would be the case without SAI climate engineering. Therefore, SAI climate engineering is not an effective tool to mitigate future climate extremes in South Asia under global warming scenarios.

Publication Information

Output type

Research Output: Contribution to journal Article Peer-review

Original language

English

Article number

1490

Journal (Volume, Issue Number)

Atmosphere (Volume 14, Issue 10)

Publication milestones

  • Accepted/In press - 25/09/2023
  • Published - 26/09/2023

Publication status

Published - 26/09/2023

ISSN

1598-3560

External Publication IDs

  • handle.net: 10547/626014
  • Scopus: 85175334722

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