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https://iopscience.iop.org/article/10.1088/1755-1315/1238/1/012030/meta

*Authors*
Yi Lin Tew, Mou Leong Tan, Juneng Liew, Chun Kiat Chang and Nurfashareena
Muhamad


*Citation* Yi Lin Tew et al 2023 IOP Conf. Ser.: Earth Environ. Sci. 1238
012030
DOI 10.1088/1755-1315/1238/1/012030

*13 May 2023*

 *Abstract*
Solar radiation management (SRM) is one of the proposed climate mitigation
strategies to cool the planet rapidly. The injection of aerosol particles
into the stratosphere for reflecting solar radiation back to the space is
one of the SRM methods that are widely discussed. Theoretically, SRM might
lower the earth's temperature within a few months of deployment, reducing
the impacts of climate change on natural disasters, i.e., floods and
drought, which lead to huge losses in economic and human life. Solar
radiation variability was identified to be a substantial factor that
induced the hydrological changes, particularly in precipitation extreme.
The effects of SRM on hydrological cycles, however, fluctuate depending on
the location and environment. Hence, this article reviews the past SRM
studies that related to the analysis of the hydrological cycle changes. A
total of 17 articles were identified and collected from the Web of Science
and Scopus databases. The results show that there have been an increasing
number of articles in recent years studying the effects of SRM on the
hydro-climatic changes. The Geoengineering Model Intercomparison Project
(GeoMIP) and the Geoengineering Large Ensemble (GLENS) are two commonly
used SRM-based general circulation models. In general, SRM is projected to
slow down the global hydrological cycle. In comparison to the RCP 8.5
scenario, SRM generally tends to lower flood risk in many parts of the
world. However, the majority of SRM research in hydrology has been
conducted on a global scale, which results in a lack of robust basin-scale
assessment needed for flood control policy formulation. In addition, more
SRM climate models and scenario experiments should be considered to
minimize the uncertainty in the framework for hydro-climatic modelling
framework.

*Source: IOP SCIENCE *

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