Fri Apr 10, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Zhang, Ruiqi, Xu, Min, Che, Tao, Guo, Wanqin, and Li, Xingdong, 2024. Ice Sheet Mass Changes over Antarctica Based on GRACE Data. Remote Sensing, 16(20):3776, doi:10.3390/rs16203776.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2024RemS...16.3776Z,
author = {{Zhang}, Ruiqi and {Xu}, Min and {Che}, Tao and {Guo}, Wanqin and {Li}, Xingdong},
title = "{Ice Sheet Mass Changes over Antarctica Based on GRACE Data}",
journal = {Remote Sensing},
keywords = {Antarctic ice sheet, mass balance, GRACE, attribution analysis, hysteresis phenomenon},
year = 2024,
month = oct,
volume = {16},
number = {20},
eid = {3776},
pages = {3776},
abstract = "{Assessing changes of the mass balance in the Antarctic ice sheet in the
context of global warming is a key focus in polar study. This
study analyzed the spatiotemporal variation in the Antarctic ice
sheet's mass balance, both as a whole and by individual basins,
from 2003 to 2016 and from 2018 to 2022 using GRACE RL06 data
published by the Center for Space Research (CSR) and ERA-5
meteorological data. It explored the lagged relationships
between mass balance and precipitation, net surface solar
radiation, and temperature, and applied the random forest method
to examine the relative contributions of these factors to the
ice sheet's mass balance within a nonlinear framework. The
results showed that the mass loss rates of the Antarctic ice
sheet during the study periods were {\ensuremath{-}}123.3
{\ensuremath{\pm}} 6.2 Gt/a and {\ensuremath{-}}24.8
{\ensuremath{\pm}} 52.1 Gt/a. The region with the greatest mass
loss was the Amundsen Sea in West Antarctica
({\ensuremath{-}}488.8 {\ensuremath{\pm}} 5.3 Gt/a and
{\ensuremath{-}}447.9 {\ensuremath{\pm}} 14.7 Gt/a), while Queen
Maud Land experienced the most significant mass accumulation
(44.9 {\ensuremath{\pm}} 1.0 Gt/a and 30.0 {\ensuremath{\pm}}
3.2 Gt/a). The main factors contributing to surface ablation of
the Antarctic ice sheet are rising temperatures and increased
surface net solar radiation, each showing a lag effect of 1
month and 2 months, respectively. Precipitation also affects the
loss of the ice sheet to some extent. Over time, the
contribution of precipitation to the changes in the ice sheet's
mass balance increases.}",
doi = {10.3390/rs16203776},
adsurl = {https://ui.adsabs.harvard.edu/abs/2024RemS...16.3776Z},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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