globalchange  > 过去全球变化的重建
DOI: 10.1016/j.scitotenv.2019.01.253
WOS记录号: WOS:000459858500060
论文题名:
Temporal dynamics of albedo and climate in the sparse forests of Zagros
作者: Alibakhshi, Sara1; Hovi, Aarne1; Rautiainen, Miina1,2
通讯作者: Alibakhshi, Sara
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN: 0048-9697
EISSN: 1879-1026
出版年: 2019
卷: 663, 页码:596-609
语种: 英语
英文关键词: Albedo ; LAI ; Fire and drought ; Climate change ; Zagros forest ; Middle East
WOS关键词: FIRE DETECTION ALGORITHM ; BRANTII LINDL. FORESTS ; BISCOGNIAUXIA-MEDITERRANEA ; KURDISTAN PROVINCE ; WESTERN IRAN ; LAND-COVER ; SEVERITY ; SURFACE ; DROUGHT ; DEFORESTATION
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

Land surface albedo is an important parameter affecting the climate locally and globally. A synthesis of current studies urgently calls for a better understanding of the impact of climate change on the surface albedo. The Middle East is expected to experience major climatic changes during the coming decades and has already undergone major losses in its vegetation cover. This study explores how climate change related disturbances, such as severe drought and fire events, influence albedo trends in the largest remaining forest area of the Middle East, the Zagros Mountains. We analyzed time series of albedo, Leaf Area Index (LAI), burn severity (dNBR), and the number of fire events all obtained from MODIS satellite images between 2000 and 2016, together with climatic data from 1950 to 2016. The Zagros area is continuously suffering from low precipitation, high temperatures, and evermore-frequent wildfire events. Our large-scale analysis revealed that albedo is linked to precipitation, number of fire events, dNBR, and LAI with the average correlation coefficients of -0.26, -0.50, 0.17, and -0.72, respectively. Using four study sites located in different parts of the Zagros area, we showed disturbances influence albedo differently. Drought condition resulted in a marginal increasing trend in albedo, whereas fire events resulted in a decreasing trend. This article is the first report linking climate change with albedo in Iran. (C) 2019 The Authors. Published by Elsevier B.V.


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被引频次[WOS]:12   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/137947
Appears in Collections:过去全球变化的重建

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作者单位: 1.Aalto Univ, Sch Engn, Dept Built Environm, POB 14100, Aalto 00076, Finland
2.Aalto Univ, Sch Elect Engn, Dept Elect & Nanoengn, POB 15500, Aalto 00076, Finland

Recommended Citation:
Alibakhshi, Sara,Hovi, Aarne,Rautiainen, Miina. Temporal dynamics of albedo and climate in the sparse forests of Zagros[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019-01-01,663:596-609
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