Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau

The Tibetan Plateau is a high-elevation area in Asia and contains the largest volumes of glaciers outside the polar regions. Reconstruction of the glacier surface temperature history in this area is crucial for better understanding of the process of climate change in the Tibetan Plateau. The Tikhono...

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Autores principales:	Huan Sun, Ninglian Wang, Shanshan Hou
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	glacier borehole temperatures heat conduction tikhonov regularization method Environmental sciences GE1-350 Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/269935e1899a4bf38d3af47cda0d2cc4
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spelling	oai:doaj.org-article:269935e1899a4bf38d3af47cda0d2cc42021-11-04T15:00:42ZTwentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau1523-04301938-424610.1080/15230430.2021.1974667https://doaj.org/article/269935e1899a4bf38d3af47cda0d2cc42021-01-01T00:00:00Zhttp://dx.doi.org/10.1080/15230430.2021.1974667https://doaj.org/toc/1523-0430https://doaj.org/toc/1938-4246The Tibetan Plateau is a high-elevation area in Asia and contains the largest volumes of glaciers outside the polar regions. Reconstruction of the glacier surface temperature history in this area is crucial for better understanding of the process of climate change in the Tibetan Plateau. The Tikhonov regularization method has been used on borehole temperatures measured at Malan Glacier, located on the north Tibetan Plateau, to reconstruct the surface temperature history in the twentieth century. We found that the glacier surface temperature, which rose significantly after the 1960s, increased about 1.1°C over the last century. The warmest period occurred in the 1980s to the 1990s and the highest temperature variation could be 1.5°C to 1.6°C. The results were also compared with those of nearby instrumental temperatures by Wudaoliang meteorological station and the stable oxygen isotope ($${\delta ^{18}}O$$) from the Malan ice core.Huan SunNinglian WangShanshan HouTaylor & Francis Grouparticleglacier borehole temperaturesheat conductiontikhonov regularization methodEnvironmental sciencesGE1-350EcologyQH540-549.5ENArctic, Antarctic, and Alpine Research, Vol 53, Iss 1, Pp 227-236 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	glacier borehole temperatures heat conduction tikhonov regularization method Environmental sciences GE1-350 Ecology QH540-549.5
spellingShingle	glacier borehole temperatures heat conduction tikhonov regularization method Environmental sciences GE1-350 Ecology QH540-549.5 Huan Sun Ninglian Wang Shanshan Hou Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau
description	The Tibetan Plateau is a high-elevation area in Asia and contains the largest volumes of glaciers outside the polar regions. Reconstruction of the glacier surface temperature history in this area is crucial for better understanding of the process of climate change in the Tibetan Plateau. The Tikhonov regularization method has been used on borehole temperatures measured at Malan Glacier, located on the north Tibetan Plateau, to reconstruct the surface temperature history in the twentieth century. We found that the glacier surface temperature, which rose significantly after the 1960s, increased about 1.1°C over the last century. The warmest period occurred in the 1980s to the 1990s and the highest temperature variation could be 1.5°C to 1.6°C. The results were also compared with those of nearby instrumental temperatures by Wudaoliang meteorological station and the stable oxygen isotope ($${\delta ^{18}}O$$) from the Malan ice core.
format	article
author	Huan Sun Ninglian Wang Shanshan Hou
author_facet	Huan Sun Ninglian Wang Shanshan Hou
author_sort	Huan Sun
title	Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau
title_short	Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau
title_full	Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau
title_fullStr	Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau
title_full_unstemmed	Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau
title_sort	twentieth century warming reflected by the malan glacier borehole temperatures, northern tibetan plateau
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/269935e1899a4bf38d3af47cda0d2cc4
work_keys_str_mv	AT huansun twentiethcenturywarmingreflectedbythemalanglacierboreholetemperaturesnortherntibetanplateau AT ninglianwang twentiethcenturywarmingreflectedbythemalanglacierboreholetemperaturesnortherntibetanplateau AT shanshanhou twentiethcenturywarmingreflectedbythemalanglacierboreholetemperaturesnortherntibetanplateau
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Twentieth century warming reflected by the Malan Glacier borehole temperatures, northern Tibetan Plateau

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