Mon Oct 13, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Zhan, Jingang, Shi, Hongling, Wang, Yong, and Yao, Yixin, 2017. Complex principal component analysis of mass balance changes on the Qinghai-Tibetan Plateau. The Cryosphere, 11(3):1487–1499, doi:10.5194/tc-11-1487-2017.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2017TCry...11.1487Z,
author = {{Zhan}, Jingang and {Shi}, Hongling and {Wang}, Yong and {Yao}, Yixin},
title = "{Complex principal component analysis of mass balance changes on the Qinghai-Tibetan Plateau}",
journal = {The Cryosphere},
year = 2017,
month = jun,
volume = {11},
number = {3},
pages = {1487-1499},
abstract = "{Climatic time series for Qinghai-Tibetan Plateau locations are rare.
Although glacier shrinkage is well described, the relationship
between mass balance and climatic variation is less clear. We
studied the effect of climate changes on mass balance by
analyzing the complex principal components of mass changes
during 2003-2015 using Gravity Recovery and Climate Experiment
satellite data. Mass change in the eastern Himalayas, Karakoram,
Pamirs, and northwestern India was most sensitive to variation
in the first principal component, which explained 54 \% of the
change. Correlation analysis showed that the first principal
component is related to the Indian monsoon and the correlation
coefficient is 0.83. Mass change on the eastern Qinghai plateau,
eastern Himalayas-Qiangtang Plateau-Pamirs area and northwestern
India was most sensitive to variation of the second major
factor, which explained 16 \% of the variation. The second major
component is associated with El Ni{\~n}o; the correlation
coefficient was 0.30 and this exceeded the 95 \% confidence
interval of 0.17. Mass change on the western and northwestern
Qinghai-Tibetan Plateau was most sensitive to the variation of
its third major component, responsible for 6 \% of mass balance
change. The third component may be associated with climate
change from the westerlies and La Ni{\~n}a. The third component
and El Ni{\~n}o have similar signals of 6.5 year periods and
opposite phases. We conclude that El Ni{\~n}o now has the second
largest effect on mass balance change of this region, which
differs from the traditional view that the westerlies are the
second largest factor.}",
doi = {10.5194/tc-11-1487-2017},
adsurl = {https://ui.adsabs.harvard.edu/abs/2017TCry...11.1487Z},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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