DOI: 10.1016/j.gloplacha.2016.09.005
论文题名: Effect of land cover change on snow free surface albedo across the continental United States
作者: Wickham J. ; Nash M.S. ; Barnes C.A.
刊名: Global and Planetary Change
ISSN: 0921-8181
出版年: 2016
卷: 146 起始页码: 1
结束页码: 9
语种: 英语
英文关键词: Autoregression
; Climate change
; Cropland
; Forest
; MODIS
; NLCD
Scopus关键词: Atmospheric radiation
; Forestry
; Location
; Regression analysis
; Snow
; Solar radiation
; Time series analysis
; Autoregression
; Cropland
; Forest
; MODIS
; NLCD
; Climate change
英文摘要: Land cover changes (e.g., forest to grassland) affect albedo, and changes in albedo can influence radiative forcing (warming, cooling). We empirically tested albedo response to land cover change for 130 locations across the continental United States using high resolution (30 m-×-30 m) land cover change data and moderate resolution (~ 500 m-×-500 m) albedo data. The land cover change data spanned 10 years (2001 − 2011) and the albedo data included observations every eight days for 13 years (2001 − 2013). Empirical testing was based on autoregressive time series analysis of snow free albedo for verified locations of land cover change. Approximately one-third of the autoregressive analyses for woody to herbaceous or forest to shrub change classes were not significant, indicating that albedo did not change significantly as a result of land cover change at these locations. In addition, ~ 80% of mean differences in albedo arising from land cover change were less than ± 0.02, a nominal benchmark for precision of albedo measurements that is related to significant changes in radiative forcing. Under snow free conditions, we found that land cover change does not guarantee a significant albedo response, and that the differences in mean albedo response for the majority of land cover change locations were small. © 2016 URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84987896829&doi=10.1016%2fj.gloplacha.2016.09.005&partnerID=40&md5=6dafe6b57280b92892864d57d7474513
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11596
Appears in Collections: 全球变化的国际研究计划 气候变化与战略
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作者单位: U.S. Environmental Protection Agency, Office of Research and Development, Research Triangle ParkNC, United States
Recommended Citation:
Wickham J.,Nash M.S.,Barnes C.A.. Effect of land cover change on snow free surface albedo across the continental United States[J]. Global and Planetary Change,2016-01-01,146.