globalchange  > 气候减缓与适应
DOI: 10.1002/grl.51008
论文题名:
Large-scale simulations of snow albedo masking by forests
作者: Essery R.
刊名: Geophysical Research Letters
ISSN: 0094-8433
EISSN: 1944-8164
出版年: 2013
卷: 40, 期:20
起始页码: 5521
结束页码: 5525
语种: 英语
英文关键词: boreal forests ; climate modeling ; snow albedo
Scopus关键词: Boreal forests ; Climate projection ; Large scale simulations ; Model comparison ; Northern Hemispheres ; Snow-albedo feedbacks ; Snow-covered forests ; Vegetation distribution ; Climate change ; Climate models ; Forestry ; Snow ; Solar radiation ; albedo ; boreal forest ; climate modeling ; land cover ; Northern Hemisphere ; simulation ; snow ; snow cover ; vegetation ; Forests ; Seasonal Variation ; Snow ; Sun Light
英文摘要: Comparisons between climate models have found large differences in predictions for the albedo of forested regions with snow cover, leading to uncertainty in the strength of snow albedo feedbacks on climate change predicted by these models. To explore this uncertainty, three commonly used methods for calculating the albedo of vegetated surfaces are compared, taking observed snow and vegetation distributions as inputs. Surprisingly, all three methods produce similar results and compare reasonably well with observations over seasonally snow-covered regions of the Northern Hemisphere. It appears that some climate models use unrealistic parameter values, and snow albedo masking need not be as large a source of uncertainty as it is in current climate projections. Key Points Climate model comparisons have shown wide range in albedo of snow-covered forest Models of widely differing complexity can compare well with albedo observations Good land cover data required, and optimal model parameters depend on data used ©2013 The Authors. Geophysical Research Letters published by Wiley on behalf of the American Geophysical Union.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84886540452&doi=10.1002%2fgrl.51008&partnerID=40&md5=f37befcef73a8f408b0dd5ebeb05309f
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5697
Appears in Collections:气候减缓与适应

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作者单位: School of GeoSciences, University of Edinburgh, Edinburgh, EH9 3JW, United Kingdom

Recommended Citation:
Essery R.. Large-scale simulations of snow albedo masking by forests[J]. Geophysical Research Letters,2013-01-01,40(20).
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