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博士生张致江的论文在ENVIRONMENTAL RESEARCH LETTERS刊出
发布时间:2022-03-15 14:59:07     发布者:易真     浏览次数:

标题: Biophysical feedback of forest canopy height on land surface temperature over contiguous United States

作者: Zhang, ZJ (Zhang, Zhijiang); Li, XX (Li, Xinxin); Liu, HG (Liu, Hongguang)

来源出版物: ENVIRONMENTAL RESEARCH LETTERS : 17 : 3 文献号: 034002 DOI: 10.1088/1748-9326/ac4657 出版年: MAR 1 2022

摘要: Forests are considered important in the mitigation of climate change. Biophysical effects of afforestation and deforestation on land surface temperature (LST) have been extensively documented. As a fundamental variable of forest structure, however, few studies have investigated the biophysical feedback of forest canopy height (FCH) changes on LST at large scale. This study is designed to investigate the impact of FCH changes on local land LST and clarify the biophysical processes controlling LST change from 2003 to 2005 over the contiguous United States, based on satellite observations. To this end, one satellite-based FCH product is selected, and the space-for-time approach, together with the energy balance equation, is applied. Results show that for different forest types, namely evergreen forest (EF), deciduous forest (DF), and mixed forest (MF), taller forests present a greater net cooling effect (0.056-0.448 K) than shorter forests at annual scale. The increase in net radiation and sensible heat flux was less than the increase in the latent heat flux when FCH classes converted from shorter to taller, resulting in annual net cooling effects. Furthermore, the cooling effect of EF is stronger than that of DF and MF, whether for tall, medium, or short FCH classes. Multiple regression analysis reveals that the changes in biophysical components can effectively explain the LST change during the growing season. Our findings provide a new insight for forest management decision-making with the purpose of mitigating climate warming.

入藏号: WOS:000758420100001

语言: English

文献类型: Article

作者关键词: forest canopy height; land surface temperature; energy balance; cooling effect

KeyWords Plus: BACKGROUND CLIMATE; COVER CHANGE; STAND AGE; ENERGY; AFFORESTATION; MANAGEMENT; MORTALITY; INCREASE; DROUGHT; IMPACT

地址: [Zhang, Zhijiang; Li, Xinxin] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Peoples R China.

[Liu, Hongguang] Shihezi Univ, Coll Water Conservancy & Architectural Engn, Shihezi 832000, Peoples R China.

[Liu, Hongguang] Xinjiang Prod & Construct Grp Key Lab Modern Wate, Shihezi 832000, Peoples R China.

通讯作者地址: Li, XX (通讯作者)Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Peoples R China.

Liu, HG (通讯作者)Shihezi Univ, Coll Water Conservancy & Architectural Engn, Shihezi 832000, Peoples R China.

Liu, HG (通讯作者)Xinjiang Prod & Construct Grp Key Lab Modern Wate, Shihezi 832000, Peoples R China.

电子邮件地址: lixinxin_better@whu.edu.cn; liuhongguang-521@163.com

影响因子:6.8


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