干旱区生态环境知识资源中心(Arid): 基于InVEST模型的黑河流域上游水源涵养量

Arid

	基于InVEST模型的黑河流域上游水源涵养量
其他题名	Spatial and Temporal Variation of Water Conservation in the Upper Reaches of Heihe River Basin Based on InVEST Model
	张福平 1; 李肖娟 1; 冯起2 ; 王虎威 1; 魏永芬 3; 白皓 4
来源期刊	中国沙漠
ISSN	1000-694X
出版年	2018
卷号	38 期号:6 页码:1321-1329
中文摘要	黑河流域上游生态系统具有重要的水源涵养功能,对维系流域生态平衡有着重要的意义。基于InVEST模型估算了黑河流域上游水源涵养量,分析了水源涵养量的时空变化特征及其与气候因子的相关性。结果表明:2001-2015年黑河流域上游草地、林地、灌丛面积分别增加了1665.00、381.75、162.75 km~2,而荒漠和农田分别减少了2165.25、20.50 km~2;2001-2015年黑河流域上游水源涵养量年均值为228.64 mm,在空间上呈现东南高、西北低的分布特征,高值区位于祁连山一带,肃南裕固族自治县北部条带状为上游水源涵养量的低值区;从变化趋势来看,研究区水源涵养量以7.60 mm·a~(-1)的速率减少;近15年来,研究区潜在蒸散、降水量分别呈现增加和减少趋势,速率分别为1.45、-0.67 mm·a~(-1),水源涵养与潜在蒸散以负相关为主,而与降水量正相关,降水量主要影响上游的中东部、北部的祁连山高寒地区,而潜在蒸散主要制约西北部的水源涵养量。
英文摘要	The upper reaches of the Heihe river basin is the vital ecological function region of water conservation,which is of great significance to maintain the ecological balance of the whole basin.A water yield model based on InVEST was employed to estimates water conservation in the upper reaches of Heihe River basin.this paper analyzes the spatial and temporal characteristics of water conservation and the correlation between water conservation and climate factors.The main conclusions are as follows:(1) The area of grass,scrub and woodland increased by 1 665 km~2,381.75 km~2 and 162.75 km~2,respectively in the upper reaches of Heihe river basin from 2001 to 2015.By contrast,deserts and farmland were reduced by 2 165.25 km~2 and 20.5 km~2,respectively;The year mean value of water conservation was 228.64 mm and the spatial distribution of water conservation was high southeast,low northwest in the upper reaches of the Heihe River basin in 2001-2015.The higher value area is located in the Qilian Mountains area,northern Sunan Yugur Autonomous County banded high value area upstream water conservation,in 2008 and later,water conservation is lower than the basic anomaly.Overall,water conservation showed a decreasing trend at the annual rate of 7.60 mm;In the past 15 years,the variation of potential evapotranspiration and precipitation has been the main climatic factor affecting the change of water conservation in the study area.The potential evapotranspiration and precipitation showed a trend of increase and decrease respectively in the upper reaches of Heihe River basin.The rates were 1.45 mm·a~(-1) and-0.67 mm·a~(-1) respectively.The water conservation was negatively correlated with potential evapotranspiration and precipitation is positively correlated.Precipitation mainly affects the Middle East,north of Qilian Mountains alpine region while potential evapotranspiration mainly restricts the water resources in the northwest.
中文关键词	水源涵养 ; 土地利用变化 ; 气候变化 ; InVEST模型 ; 黑河
英文关键词	water conservation land cover changes climate change InVEST model Heihe River
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ENGINEERING MULTIDISCIPLINARY
WOS研究方向	Engineering
CSCD记录号	CSCD:6375719
来源机构	中国科学院西北生态环境资源研究院 ; 陕西师范大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/238811
作者单位	1.陕西师范大学地理科学与旅游学院, 西安, 陕西 710119, 中国; 2.中国科学院寒区旱区环境与工程研究所, 兰州, 甘肃 730000, 中国; 3.日本国立岐阜大学流域圈科学研究中心, 岐阜, 501-1193, 日本; 4.清华大学机械工程学院精密仪器系, 北京 100036, 中国
推荐引用方式 GB/T 7714	张福平,李肖娟,冯起,等. 基于InVEST模型的黑河流域上游水源涵养量[J]. 中国科学院西北生态环境资源研究院, 陕西师范大学,2018,38(6):1321-1329.
APA	张福平,李肖娟,冯起,王虎威,魏永芬,&白皓.(2018).基于InVEST模型的黑河流域上游水源涵养量.中国沙漠,38(6),1321-1329.
MLA	张福平,et al."基于InVEST模型的黑河流域上游水源涵养量".中国沙漠 38.6(2018):1321-1329.