Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing

Glaciers are one of the important natural resources of freshwater and sources of water for hydropower, agriculture and drinking whenever the water is scarce. This mapping and change analysis helps to understand the status and decadal changes of glaciers in Hidden Valley, Mustang district, Nepal. The...
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Autor*in:	L. Lama [verfasserIn] R. B. Kayastha [verfasserIn] S. B. Maharjan [verfasserIn] S. R. Bajracharya [verfasserIn] M. B. Chand [verfasserIn] P. K. Mool [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2015

Übergeordnetes Werk:	In: Proceedings of the International Association of Hydrological Sciences - Copernicus Publications, 2017, 368(2015), Seite 57-62
Übergeordnetes Werk:	volume:368 ; year:2015 ; pages:57-62

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.5194/piahs-368-57-2015

Katalog-ID:	DOAJ042921651

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520			\|a Glaciers are one of the important natural resources of freshwater and sources of water for hydropower, agriculture and drinking whenever the water is scarce. This mapping and change analysis helps to understand the status and decadal changes of glaciers in Hidden Valley, Mustang district, Nepal. The investigation is carried out using Landsat images of the years 1977 (~1980s), 1990, 2000 and 2010. We mapped 10 glaciers of the Hidden Valley covering an area of 19.79 km2 based on the object-based image classification method using an automatic method and manual delineation by a Geographic Information System (GIS), separately. The glacier outlines for 2010, 2000, 1990 and 1980s in both methods are delineated from the multispectral Landsat images of the respective years. The total area losses of the glaciers from the automatic method are 1.713 and 0.625 km<sup<2</sup< between 1990−2000 and 2000−2010 and from manual delineation are 2.021, 1.264, 1.041 km<sup<2</sup< between ~1980s−1990, 1990−2000 and 2000−2010. The amount of average estimated glacier ice reserves lost is 0.326 km<sup<3</sup< (26.26 %) and the total glacier area loss is 4.33 km<sup<2</sup< (21.87 %) from the 1980s to 2010 based on manual delineation. The glaciers of Hidden Valley are shrinking and fragmented due to decrease in glacier area and ice reserves.
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spelling	10.5194/piahs-368-57-2015 doi (DE-627)DOAJ042921651 (DE-599)DOAJ0a786166897245ebb3dbe390a3025897 DE-627 ger DE-627 rakwb eng GE1-350 QE1-996.5 L. Lama verfasserin aut Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Glaciers are one of the important natural resources of freshwater and sources of water for hydropower, agriculture and drinking whenever the water is scarce. This mapping and change analysis helps to understand the status and decadal changes of glaciers in Hidden Valley, Mustang district, Nepal. The investigation is carried out using Landsat images of the years 1977 (~1980s), 1990, 2000 and 2010. We mapped 10 glaciers of the Hidden Valley covering an area of 19.79 km2 based on the object-based image classification method using an automatic method and manual delineation by a Geographic Information System (GIS), separately. The glacier outlines for 2010, 2000, 1990 and 1980s in both methods are delineated from the multispectral Landsat images of the respective years. The total area losses of the glaciers from the automatic method are 1.713 and 0.625 km<sup<2</sup< between 1990−2000 and 2000−2010 and from manual delineation are 2.021, 1.264, 1.041 km<sup<2</sup< between ~1980s−1990, 1990−2000 and 2000−2010. The amount of average estimated glacier ice reserves lost is 0.326 km<sup<3</sup< (26.26 %) and the total glacier area loss is 4.33 km<sup<2</sup< (21.87 %) from the 1980s to 2010 based on manual delineation. The glaciers of Hidden Valley are shrinking and fragmented due to decrease in glacier area and ice reserves. Environmental sciences Geology R. B. Kayastha verfasserin aut S. B. Maharjan verfasserin aut S. R. Bajracharya verfasserin aut M. B. Chand verfasserin aut P. K. Mool verfasserin aut In Proceedings of the International Association of Hydrological Sciences Copernicus Publications, 2017 368(2015), Seite 57-62 (DE-627)831825944 (DE-600)2827925-6 2199899X nnns volume:368 year:2015 pages:57-62 https://doi.org/10.5194/piahs-368-57-2015 kostenfrei https://doaj.org/article/0a786166897245ebb3dbe390a3025897 kostenfrei https://www.proc-iahs.net/368/57/2015/piahs-368-57-2015.pdf kostenfrei https://doaj.org/toc/2199-8981 Journal toc kostenfrei https://doaj.org/toc/2199-899X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4700 AR 368 2015 57-62
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allfieldsSound	10.5194/piahs-368-57-2015 doi (DE-627)DOAJ042921651 (DE-599)DOAJ0a786166897245ebb3dbe390a3025897 DE-627 ger DE-627 rakwb eng GE1-350 QE1-996.5 L. Lama verfasserin aut Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Glaciers are one of the important natural resources of freshwater and sources of water for hydropower, agriculture and drinking whenever the water is scarce. This mapping and change analysis helps to understand the status and decadal changes of glaciers in Hidden Valley, Mustang district, Nepal. The investigation is carried out using Landsat images of the years 1977 (~1980s), 1990, 2000 and 2010. We mapped 10 glaciers of the Hidden Valley covering an area of 19.79 km2 based on the object-based image classification method using an automatic method and manual delineation by a Geographic Information System (GIS), separately. The glacier outlines for 2010, 2000, 1990 and 1980s in both methods are delineated from the multispectral Landsat images of the respective years. The total area losses of the glaciers from the automatic method are 1.713 and 0.625 km<sup<2</sup< between 1990−2000 and 2000−2010 and from manual delineation are 2.021, 1.264, 1.041 km<sup<2</sup< between ~1980s−1990, 1990−2000 and 2000−2010. The amount of average estimated glacier ice reserves lost is 0.326 km<sup<3</sup< (26.26 %) and the total glacier area loss is 4.33 km<sup<2</sup< (21.87 %) from the 1980s to 2010 based on manual delineation. The glaciers of Hidden Valley are shrinking and fragmented due to decrease in glacier area and ice reserves. Environmental sciences Geology R. B. Kayastha verfasserin aut S. B. Maharjan verfasserin aut S. R. Bajracharya verfasserin aut M. B. Chand verfasserin aut P. K. Mool verfasserin aut In Proceedings of the International Association of Hydrological Sciences Copernicus Publications, 2017 368(2015), Seite 57-62 (DE-627)831825944 (DE-600)2827925-6 2199899X nnns volume:368 year:2015 pages:57-62 https://doi.org/10.5194/piahs-368-57-2015 kostenfrei https://doaj.org/article/0a786166897245ebb3dbe390a3025897 kostenfrei https://www.proc-iahs.net/368/57/2015/piahs-368-57-2015.pdf kostenfrei https://doaj.org/toc/2199-8981 Journal toc kostenfrei https://doaj.org/toc/2199-899X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4700 AR 368 2015 57-62
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callnumber-first	G - Geography, Anthropology, Recreation
author	L. Lama
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topic_title	GE1-350 QE1-996.5 Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing
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title	Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing
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title_full	Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing
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title_sort	glacier area and volume changes of hidden valley, mustang, nepal from ~1980s to 2010 based on remote sensing
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title_auth	Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing
abstract	Glaciers are one of the important natural resources of freshwater and sources of water for hydropower, agriculture and drinking whenever the water is scarce. This mapping and change analysis helps to understand the status and decadal changes of glaciers in Hidden Valley, Mustang district, Nepal. The investigation is carried out using Landsat images of the years 1977 (~1980s), 1990, 2000 and 2010. We mapped 10 glaciers of the Hidden Valley covering an area of 19.79 km2 based on the object-based image classification method using an automatic method and manual delineation by a Geographic Information System (GIS), separately. The glacier outlines for 2010, 2000, 1990 and 1980s in both methods are delineated from the multispectral Landsat images of the respective years. The total area losses of the glaciers from the automatic method are 1.713 and 0.625 km<sup<2</sup< between 1990−2000 and 2000−2010 and from manual delineation are 2.021, 1.264, 1.041 km<sup<2</sup< between ~1980s−1990, 1990−2000 and 2000−2010. The amount of average estimated glacier ice reserves lost is 0.326 km<sup<3</sup< (26.26 %) and the total glacier area loss is 4.33 km<sup<2</sup< (21.87 %) from the 1980s to 2010 based on manual delineation. The glaciers of Hidden Valley are shrinking and fragmented due to decrease in glacier area and ice reserves.
abstractGer	Glaciers are one of the important natural resources of freshwater and sources of water for hydropower, agriculture and drinking whenever the water is scarce. This mapping and change analysis helps to understand the status and decadal changes of glaciers in Hidden Valley, Mustang district, Nepal. The investigation is carried out using Landsat images of the years 1977 (~1980s), 1990, 2000 and 2010. We mapped 10 glaciers of the Hidden Valley covering an area of 19.79 km2 based on the object-based image classification method using an automatic method and manual delineation by a Geographic Information System (GIS), separately. The glacier outlines for 2010, 2000, 1990 and 1980s in both methods are delineated from the multispectral Landsat images of the respective years. The total area losses of the glaciers from the automatic method are 1.713 and 0.625 km<sup<2</sup< between 1990−2000 and 2000−2010 and from manual delineation are 2.021, 1.264, 1.041 km<sup<2</sup< between ~1980s−1990, 1990−2000 and 2000−2010. The amount of average estimated glacier ice reserves lost is 0.326 km<sup<3</sup< (26.26 %) and the total glacier area loss is 4.33 km<sup<2</sup< (21.87 %) from the 1980s to 2010 based on manual delineation. The glaciers of Hidden Valley are shrinking and fragmented due to decrease in glacier area and ice reserves.
abstract_unstemmed	Glaciers are one of the important natural resources of freshwater and sources of water for hydropower, agriculture and drinking whenever the water is scarce. This mapping and change analysis helps to understand the status and decadal changes of glaciers in Hidden Valley, Mustang district, Nepal. The investigation is carried out using Landsat images of the years 1977 (~1980s), 1990, 2000 and 2010. We mapped 10 glaciers of the Hidden Valley covering an area of 19.79 km2 based on the object-based image classification method using an automatic method and manual delineation by a Geographic Information System (GIS), separately. The glacier outlines for 2010, 2000, 1990 and 1980s in both methods are delineated from the multispectral Landsat images of the respective years. The total area losses of the glaciers from the automatic method are 1.713 and 0.625 km<sup<2</sup< between 1990−2000 and 2000−2010 and from manual delineation are 2.021, 1.264, 1.041 km<sup<2</sup< between ~1980s−1990, 1990−2000 and 2000−2010. The amount of average estimated glacier ice reserves lost is 0.326 km<sup<3</sup< (26.26 %) and the total glacier area loss is 4.33 km<sup<2</sup< (21.87 %) from the 1980s to 2010 based on manual delineation. The glaciers of Hidden Valley are shrinking and fragmented due to decrease in glacier area and ice reserves.
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title_short	Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing
url	https://doi.org/10.5194/piahs-368-57-2015 https://doaj.org/article/0a786166897245ebb3dbe390a3025897 https://www.proc-iahs.net/368/57/2015/piahs-368-57-2015.pdf https://doaj.org/toc/2199-8981 https://doaj.org/toc/2199-899X
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up_date	2024-07-03T14:44:39.502Z
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The amount of average estimated glacier ice reserves lost is 0.326 km<sup<3</sup< (26.26 %) and the total glacier area loss is 4.33 km<sup<2</sup< (21.87 %) from the 1980s to 2010 based on manual delineation. The glaciers of Hidden Valley are shrinking and fragmented due to decrease in glacier area and ice reserves.</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Environmental sciences</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Geology</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">R. B. Kayastha</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">S. B. Maharjan</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">S. R. 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Glacier area and volume changes of Hidden Valley, Mustang, Nepal from ~1980s to 2010 based on remote sensing

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