On 10/27/2025 11:24 AM, Alan Robock wrote:
The author list left off the first author annd the last two. It
should be:
*Authors:* Frédéric Bonou,Aubains Hounsou-Gbo, Alina Nathanaël
Dossa,Maiella Toupe,Marcel Kouakou,Arnaud Kouekam,Toussaint
Mitchodigni,Zacharie Sohou,Alan Robock, Ben Kravitz, Daniele Visioni,
and Mari Tye
Alan
On 10/27/2025 5:20 AM, Geoengineering News wrote:
https://iopscience.iop.org/article/10.1088/2752-5295/ae15b6
*Authors: *Hounsou-Gbo, A. Nathanael Dossa, Maiella Toupe, Marcel
Kouakou, Arnaud Kouekam, Toussaint Mitchodigni, Zacharie Sohou, Alan
Robock, Ben Kravitz
DOI 10.1088/2752-5295/ae15b6
*21 October 2025*
*Abstract*
Sea level rise is a global concern in the era of climate change,
prompting the exploration of interventions such as solar radiation
modification through stratospheric aerosol injection (SAI). This
intervention could affect the physical system in various ways. The
present study analyzes the global and regional impacts of SAI using
ARISE-SAI-1.5 (SAI-1.5) simulations with the Community Earth System
Model 2. We calculated the regional thermosteric sea level under
different scenarios. After validating our methodology for sea level
components over the period 1995-2014, we determined changes in sea
level variables under both SAI-1.5 and the underlying Shared
Socioeconomic Pathway 2–4.5 (SSP2-4.5) relative to the reference
period (1995-2014). In contrast to sea surface temperature, which
under this SAI strategy should be maintained near 1.5°C above
preindustrial values, global sea level rise would continue increasing
under SAI-1.5. However, SAI would significantly impact thermal
expansion in SSP2-4.5 simulations, reducing the global long-term sea
level trend from 3.7± 0.03 mm/year for SSP2-4.5 to 1.9± 0.04 mm/year
for SAI-1.5, a 49% reduction. The associated ocean heat content (OHC)
is reduced from (2.0 ±0.3)×10²² J/year under SSP2-4.5 to (1.17
±0.30)×10²² J/year under SAI, a 42% reduction. Additionally, SAI
would impact the Atlantic Ocean in the Gulf Stream region by reducing
the sea level rise rate. These findings underscore the potential of
SAI as a climate intervention strategy with significant implications
for sea level change.
*Source: IOP Science *
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