气候变化领域集成服务门户(CCPortal): Exploring relationships between drought characteristics and environmental flow conditions in Indian catchments

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DOI	10.1007/s12665-024-11486-5
	Exploring relationships between drought characteristics and environmental flow conditions in Indian catchments
	Amrit, Kumar; Soni, Arti Roshan; Palmate, Santosh S.
发表日期	2024
ISSN	1866-6280
EISSN	1866-6299
起始页码	83
结束页码	7
卷号	83 期号:7
英文摘要	Environmental flow plays a crucial role in the sustainability of rivers and aquatic ecosystems. Reduction in the flow of rivers degrades its ecosystem functions and health, resulting in severe impacts on aquatic ecosystems. Additionally, meteorological drought, which occurs due to a substantial reduction in normal rainfall, subsequently affects the river flow. To understand such consequences, long-term observed flow data are required, which is not readily available for geographically different catchments. The present study is an effort to explore the relationship between the drought characteristics based on percent rainfall departure (%RD) and average annual flow (%AAF) based environmental flow conditions. Drought characteristics and the environmental flow conditions have been assessed for 17 Indian catchments from 5 different river basins of India, namely Godavari, Mahanadi, Tapi, Brahmani-Baitarini and Mahi. Relationship analysis showed a coefficient of determination (R2) value of more than 0.55 for 11 out of 17 catchments, showing satisfactory results. Furthermore, the analysis represents that %AAF and %RD are positively correlated. The explored relationships can be useful for assessing environmental flow conditions in Indian catchments without discharge data. Also, the study approach is extendable to understanding drought linkage to environmental flow conditions for the ungauged catchments with rainfall departure records only.
英文关键词	Drought; Rainfall departure; Environmental flow; Average annual flow; Godavari; Mahanadi; Brahmani-Baitarini; Tapi; Bhadar; Machhu
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Water Resources
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS记录号	WOS:001196528000004
来源期刊	ENVIRONMENTAL EARTH SCIENCES
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/296194
作者单位	Council of Scientific & Industrial Research (CSIR) - India; CSIR - National Environmental Engineering Research Institute (NEERI); Academy of Scientific & Innovative Research (AcSIR); Council of Scientific & Industrial Research (CSIR) - India; CSIR - National Environmental Engineering Research Institute (NEERI); Texas A&M University System
推荐引用方式 GB/T 7714	Amrit, Kumar,Soni, Arti Roshan,Palmate, Santosh S.. Exploring relationships between drought characteristics and environmental flow conditions in Indian catchments[J],2024,83(7).
APA	Amrit, Kumar,Soni, Arti Roshan,&Palmate, Santosh S..(2024).Exploring relationships between drought characteristics and environmental flow conditions in Indian catchments.ENVIRONMENTAL EARTH SCIENCES,83(7).
MLA	Amrit, Kumar,et al."Exploring relationships between drought characteristics and environmental flow conditions in Indian catchments".ENVIRONMENTAL EARTH SCIENCES 83.7(2024).