干旱区生态环境知识资源中心(Arid): Climate change effect on water resources in Varanasi district, India

Arid

DOI	10.1002/met.1863
	Climate change effect on water resources in Varanasi district, India
	Nistor, Margarit-Mircea 1,2; Rai, Praveen K.3,4; Dugesar, Vikas ; Mishra, Varun N.5,6; Singh, Prafull 3; Arora, Aman 7; Kumra, Virendra Kumar 4; Carebia, Iulius-Andrei 8
通讯作者	Nistor, Margarit-Mircea
来源期刊	METEOROLOGICAL APPLICATIONS
ISSN	1350-4827
EISSN	1469-8080
出版年	2020
卷号	27 期号:1
英文摘要	Evapotranspiration and water availability are driven by changing climate and land cover parameters. In the present study, climatological records and land cover data were analysed simultaneously to accomplish the spatial distributions of climate change effects on water resources in Varanasi district, north India. Humidity-aridity was assessed by Lang's rain factor and De Martonne's aridity index, based on mean monthly rainfall and air temperature from seven meteorological stations. The climate change effect on water resources was evaluated using a 5 x 5 matrix that includes water availability and the aridity index by considering two time periods: 1941-1970 (1950s) and 1971-2000 (1980s). The methodology is based on seasonal crop evapotranspiration (ETc) (initial, mid-season, end season and cold season) and annual water availability calculations. The high values (<= 1,045 mm) of ETc were identified during the mid-season stage. Water availability indicates decreases in the maximums from 718 to 636 mm during the two analysed periods, with a negative impact at the spatial scale. Lang's rain factor (< 40) indicates an arid climate in the northwest, west, east and central parts of the district and a humid climate (Lang's rain factor > 40) in the south. De Martonne's aridity index indicates rapid aridization from south to north (28.3 in the 1950s and 25.6 in the 1980s). The high and very high climate effects on water resources in Varanasi district were found mainly in the crop lands, while in the urban areas the climate effect is low. The much affected area by climate change and land cover was depicted during the recent period (1980s). This statement was proved also by the Mann and Kendall test, which indicates a negative trend for annual precipitation at all stations (for the period 1941-2000), while the mean annual temperature had a positive trend for four stations. These findings suggest that climate change had a negative effect on water resources during the last 60 years in the study area.
英文关键词	climate change climate indices evapotranspiration land cover Varanasi district water resources
类型	Article
语种	英语
国家	Romania ; India ; Singapore
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:000503931000001
WOS关键词	POTENTIAL EVAPOTRANSPIRATION ; PRECIPITATION ; CLASSIFICATION ; TEMPERATURE ; AVAILABILITY ; ECOSYSTEMS ; VARIABLES ; INDEXES ; ARIDITY ; EUROPE
WOS类目	Meteorology & Atmospheric Sciences
WOS研究方向	Meteorology & Atmospheric Sciences
EI主题词	2019-12-23
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/311920
作者单位	1.Romanian Acad, Ctr Mt Econ CE MONT, Natl Inst Econ Res Costin C Kiritescu, Vatra Dornei, Romania; 2.Earthresearch Co, Dept Hydrogeol, Cluj Napoca 400667, Romania; 3.Amity Univ, Amity Inst Geoinformat & Remote Sensing, Noida, India; 4.Banaras Hindu Univ, Inst Sci, Dept Geog, Varanasi, Uttar Pradesh, India; 5.Suresh Gyan Vihar Univ, Ctr Climate Change & Water Res, Jaipur, Rajasthan, India; 6.Indian Inst Technol BHU, Dept Phys, Varanasi, Uttar Pradesh, India; 7.JMI Univ, Fac Nat Sci, Dept Geog, New Delhi, India; 8.German European Sch, Dept Educ Technol, Singapore, Singapore
推荐引用方式 GB/T 7714	Nistor, Margarit-Mircea,Rai, Praveen K.,Dugesar, Vikas,et al. Climate change effect on water resources in Varanasi district, India[J],2020,27(1).
APA	Nistor, Margarit-Mircea.,Rai, Praveen K..,Dugesar, Vikas.,Mishra, Varun N..,Singh, Prafull.,...&Carebia, Iulius-Andrei.(2020).Climate change effect on water resources in Varanasi district, India.METEOROLOGICAL APPLICATIONS,27(1).
MLA	Nistor, Margarit-Mircea,et al."Climate change effect on water resources in Varanasi district, India".METEOROLOGICAL APPLICATIONS 27.1(2020).