Evaluation of reported and unreported water uses in various sectors of the Potomac basin for the year 2017

IF 2.6 4区 环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL
Carlington W. Wallace, Heidi L. N. Moltz, Andrea Nagel, Stephanie Nummer, Karin R. Bencala
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Abstract

Water resource planners and managers in the Mid-Atlantic United States typically determine the sufficiency of water supplies to meet demand by comparing (1) water use as reported to the state by individual water users to (2) metrics of water availability calculated from observed water monitoring networks. This paper focuses on determining whether this means of measuring water use is sufficient for proactive and sustainable management of water resources. The Potomac basin study area illustrates the point that, while state-reported water use databases typically cover the largest individual water users, unreported water uses can cumulatively comprise a substantial portion of the overall water use. If left unaccounted for, the system is vulnerable to human demand exceeding supplies, with attendant detrimental effects to aquatic habitats and organisms, especially given the exacerbating effects of climate change on the variability of water supplies. Planners and managers are therefore encouraged to consider the full spectrum of water uses, regardless of state reporting requirements.

Abstract Image

对波托马克河流域各行业 2017 年已报告和未报告用水量的评估
美国中大西洋地区的水资源规划者和管理者通常通过比较(1)各用水户向国家报告的用水量和(2)通过观测水监测网络计算出的可用水量指标来确定供水是否足以满足需求。本文的重点是确定这种用水测量方法是否足以对水资源进行前瞻性和可持续的管理。波托马克河流域研究区说明了一个问题,即虽然国家报告的用水数据库通常涵盖最大的单个用水户,但未报告的用水量累计起来可能占总用水量的很大一部分。如果不对用水量进行统计,系统很容易出现供不应求的情况,从而对水生生境和生物造成不利影响,特别是考虑到气候变化对供水变化的加剧影响。因此,我们鼓励规划者和管理者全面考虑用水问题,无论国家是否有报告要求。
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来源期刊
Journal of The American Water Resources Association
Journal of The American Water Resources Association 环境科学-地球科学综合
CiteScore
4.10
自引率
12.50%
发文量
100
审稿时长
3 months
期刊介绍: JAWRA seeks to be the preeminent scholarly publication on multidisciplinary water resources issues. JAWRA papers present ideas derived from multiple disciplines woven together to give insight into a critical water issue, or are based primarily upon a single discipline with important applications to other disciplines. Papers often cover the topics of recent AWRA conferences such as riparian ecology, geographic information systems, adaptive management, and water policy. JAWRA authors present work within their disciplinary fields to a broader audience. Our Associate Editors and reviewers reflect this diversity to ensure a knowledgeable and fair review of a broad range of topics. We particularly encourage submissions of papers which impart a ''take home message'' our readers can use.
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