Arid
DOI10.1016/j.ecolmodel.2016.07.019
Land use/cover change and regional climate change in an arid grassland ecosystem of Inner Mongolia, China
Li, Zhouyuan1,2,3; Wu, Wenzhao1,2; Liu, Xuehua1,2; Fath, Brian D.3; Sun, Hailian4,5; Liu, Xinchao1,2,4,5; Xiao, Xinru6; Cao, Jun6
通讯作者Liu, Xuehua ; Fath, Brian D.
会议名称China-Korea Joint Seminars on Multi-Disciplinary and Multi-Method Approaches Toward Sustainable Human and Nature Interactions
会议日期2015
会议地点Seoul, SOUTH KOREA
英文摘要

Conserving and protecting the arid grassland ecosystem in Inner Mongolia under climate change requires large-scale observation and analysis. The interaction between land use/cover change (LUCC) and the regional climate change in this study area is addressed using macroscopic monitoring with remote sensing observation and analysis. The area's LUCC was examined to demonstrate the structural dynamics of the land surface in the past from 1988 to 2011. The results of LUCC showed that agricultural land, high coverage grassland, and low coverage grassland were the dominant land cover types taking approximately 65.3% in total. Developed land constantly increased from 1.4% to 12.7% during the study period due to rapid urbanization in the area. According to the land surface energy balance equations, the four key variables of the regional climate system, (1) normalized difference vegetation index (NDVI), (2) albedo (a), (3) surface temperature (Ts), and (4) evapotranspiration (ET), were calculated for their spatial-temporal pattern dynamic and also to perform a correlation analysis to explore the structure-function relationship in the land-atmosphere interaction. The results illustrated that vegetation degradation caused an increase in albedo by approximately 5% on average by 2007 as attributed to the cumulative effects of the drought since 2003. ET also declined to around 0.8 cm/day in 2007. The correlation analysis results suggested the human land use such as development and agricultural activities made the surface boundary layer less responsive in the land-atmosphere interaction. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Land use cover change Climate change Grassland Correlation analysis Remote sensing Feedback Evapotranspiration
来源出版物ECOLOGICAL MODELLING
ISSN0304-3800
EISSN1872-7026
出版年2017
卷号353
页码86-94
出版者ELSEVIER SCIENCE BV
类型Article;Proceedings Paper
语种英语
国家Peoples R China;USA
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000401211700010
WOS关键词ENERGY-BALANCE ; YELLOW-RIVER ; EVAPOTRANSPIRATION ; BASIN ; DEGRADATION ; ETWATCH ; SYSTEM ; MODEL
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/306666
作者单位1.Tsinghua Univ, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China;
2.Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China;
3.Towson Univ, Dept Biol Sci, Towson, MD 21252 USA;
4.Inner Mongolia Acad Agr & Anim Husb Sci, Hohhot 010031, Peoples R China;
5.Chinese Acad Sci, Inner Mongolia Prataculture Res Ctr, Hohhot 010031, Peoples R China;
6.Beijing Forestry Univ, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Li, Zhouyuan,Wu, Wenzhao,Liu, Xuehua,et al. Land use/cover change and regional climate change in an arid grassland ecosystem of Inner Mongolia, China[C]:ELSEVIER SCIENCE BV,2017:86-94.
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