Mon Oct 13, F. Flechtner
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Yao, Fangfang, Wang, Jida, Yang, Kehan, Wang, Chao, Walter, Blake A., and Crétaux, Jean-François, 2018. Lake storage variation on the endorheic Tibetan Plateau and its attribution to climate change since the new millennium. Environmental Research Letters, 13(6):064011, doi:10.1088/1748-9326/aab5d3.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2018ERL....13f4011Y,
author = {{Yao}, Fangfang and {Wang}, Jida and {Yang}, Kehan and {Wang}, Chao and {Walter}, Blake A. and {Cr{\'e}taux}, Jean-Fran{\c{c}}ois},
title = "{Lake storage variation on the endorheic Tibetan Plateau and its attribution to climate change since the new millennium}",
journal = {Environmental Research Letters},
year = 2018,
month = jun,
volume = {13},
number = {6},
eid = {064011},
pages = {064011},
abstract = "{Alpine lakes in the interior of Tibet, the endorheic Changtang Plateau
(CP), serve as {\textquoteleft}sentinels{\textquoteright} of
regional climate change. Recent studies indicated that
accelerated climate change has driven a widespread area
expansion in lakes across the CP, but comprehensive and accurate
quantifications of their storage changes are hitherto rare. This
study integrated optical imagery and digital elevation models to
uncover the fine spatial details of lake water storage (LWS)
changes across the CP at an annual timescale after the new
millennium (from 2002-2015). Validated by hypsometric
information based on long-term altimetry measurements, our
estimated LWS variations outperform some existing studies with
reduced estimation biases and improved spatiotemporal coverages.
The net LWS increased at an average rate of
7.34{\,}{\ensuremath{\pm}}{\,}0.62{\,}Gt{\,}yr$^{-1}$
(cumulatively 95.42{\,}{\ensuremath{\pm}}{\,}8.06{\,}Gt),
manifested as a dramatic monotonic increase of
9.05{\,}{\ensuremath{\pm}}{\,}0.65{\,}Gt{\,}yr$^{-1}$ before
2012, a deceleration and pause in 2013-2014, and then an
intriguing decline after 2014. Observations from the Gravity
Recovery and Climate Experiment satellites reveal that the LWS
pattern is in remarkable agreement with that of regional mass
changes: a net effect of precipitation minus evapotranspiration
(P-ET) in endorheic basins. Despite some regional variations,
P-ET explains \raisebox{-0.5ex}\textasciitilde70\% of the net
LWS gain from 2002-2012 and the entire LWS loss after 2013.
These findings clearly suggest that the water budget from net
precipitation (i.e. P-ET) dominates those of glacier melt and
permafrost degradation, and thus acts as the primary contributor
to recent lake area/volume variations in endorheic Tibet. The
produced lake areas and volume change dataset is freely
available through PANAGEA (<A href=``http://https://doi.pangaea.
de/10.1594/PANGAEA.888706''>https://doi.pangaea.de/10.1594/PANGA
EA.888706</A>).}",
doi = {10.1088/1748-9326/aab5d3},
adsurl = {https://ui.adsabs.harvard.edu/abs/2018ERL....13f4011Y},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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