DOI: 10.1016/j.gloplacha.2012.12.012
论文题名: Evolution of glacial lakes from the Northern Patagonia Icefield and terrestrial water storage in a sea-level rise context
作者: Loriaux T. ; Casassa G.
刊名: Global and Planetary Change
ISSN: 0921-8320
出版年: 2013
卷: 102 起始页码: 33
结束页码: 40
语种: 英语
英文关键词: Glacial lake
; Patagonia
; Sea level rise
; Terrestrial water storage
Scopus关键词: Glacial lake outburst flood
; Glacial lakes
; Lake areas
; Landsat satellite
; Lower bounds
; Multi-temporal
; Northern patagonia
; Patagonia
; Scaling model
; Sea level rise
; Terrestrial water storage
; Topographic map
; Glacial geology
; Maps
; Sea level
; Lakes
; computer simulation
; glacial lake
; ice field
; lake evolution
; Landsat
; numerical model
; sea level change
; topographic mapping
; water storage
; Aisen
; Chile
; Northern Patagonian Ice Field
; San Quintin Glacier
英文摘要: An increase of glacial lake area of 66.0km2 has been measured at the periphery of the Northern Patagonia Icefield (NPI) between 1945 and 2011. Results have been obtained by digitizing the glacial lakes from Lliboutry's topographic map and from various multitemporal Landsat satellite scenes (1976, 1987, 2001 and 2011). This first complete glacial lake inventory of the NPI indicates a total lake area of 167.5±8.4km2 for 2011, which represents an increase of 64.9% with respect to the total glacial lake area of the NPI in 1945 (101.6±19.1km2). The highest area increase was experienced by the San Quintín Lake with an expansion of 18.0km2 in the 1945-2011 period. Using a volume-area scaling model, a total volume increase of 4.8km3 is estimated for the entire glacial lake population in the 66-year period. Based on the volumetric increase of the glacial lakes we compute a terrestrial water storage factor of 10% of the contribution of NPI to sea-level rise for the last decade (2001-2011), which is considered as a lower bound since lakes that have lost contact with the ice are not considered in the inventory. The increasing risk of Glacial Lake Outburst Floods (GLOF's) due to the glacial lake enlargement is also discussed. © 2012 Elsevier B.V. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84873980901&doi=10.1016%2fj.gloplacha.2012.12.012&partnerID=40&md5=f798871eff665c4070e6a93dc8b56522
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11226
Appears in Collections: 全球变化的国际研究计划
There are no files associated with this item.
作者单位: Centro de Estudios Científicos (CECs), Av. Prat 514, Valdivia, Chile
Recommended Citation:
Loriaux T.,Casassa G.. Evolution of glacial lakes from the Northern Patagonia Icefield and terrestrial water storage in a sea-level rise context[J]. Global and Planetary Change,2013-01-01,102.