Sustainable land-use/Land-cover for stormwater management in three coastal watersheds in central Chile

IF 1.6 3区环境科学与生态学 Q3 WATER RESOURCES

Urban Water Journal Pub Date : 2023-10-26 DOI:10.1080/1573062x.2023.2273543

Vladimir J. Alarcon, Juan Pablo Callejas Morales

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引用次数: 1

Abstract

ABSTRACTCentral Chile’s Concon City urbanization trend has severely affected local hydrological processes. This research hypothesizes that switching to sustainable land-use/land-cover (LULC) in three Concon watersheds reduces the severity of their corresponding hydrological responses. High sustainability LULC zones would decrease runoff and enhance interception and infiltration, generating hydrograph curves with extended lag time and moderate peak flows. The Hydrological Simulation Program FORTRAN (HSPF) is used for simulating watershed processes. Decreases in peak flows of 31.1%, 19.8%, and 54.5%, were estimated. Therefore, sustainable LULC reduces the severity of the hydrological responses, benefiting storm water management. Real-world applications in Europe and the USA achieved comparable results. Urban master plans in Chile have favored the alteration of natural landscapes (anthropization). Per national regulations, changes to urban plans can be made every ten years. The results of this research will be valuable in future revisions of Concon’s urban plan.KEYWORDS: Land useland coverhydrological modelingstormwater managementConcónChile Disclosure statementNo potential conflict of interest was reported by the author(s).Data availability statementThe datasets used and/or analyzed during the current study are available from the corresponding author on request.

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智利中部三个沿海流域雨水管理的可持续土地利用/土地覆盖

智利中部孔孔市的城市化趋势严重影响了当地的水文过程。本研究假设三个Concon流域转向可持续土地利用/土地覆盖(LULC)可降低相应水文响应的严重程度。高可持续性LULC区将减少径流，增加截留入渗，产生滞后时间延长、峰值流量适中的水文曲线。水文模拟程序FORTRAN (HSPF)用于流域过程的模拟。高峰流量估计分别减少31.1%、19.8%和54.5%。因此，可持续的LULC降低了水文响应的严重程度，有利于雨水管理。在欧洲和美国的实际应用取得了类似的结果。智利的城市总体规划倾向于改变自然景观(人化)。根据国家规定，城市规划可以每十年修改一次。这项研究的结果将对未来康康城市规划的修订有价值。关键词:土地利用、土地覆盖、水文模型、雨水managementConcónChile披露声明作者未报告潜在利益冲突。数据可用性声明当前研究中使用和/或分析的数据集可根据要求从通讯作者处获得。

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来源期刊

Urban Water Journal WATER RESOURCES-

CiteScore

4.40

自引率

11.10%

发文量

101

审稿时长

3 months

期刊介绍： Urban Water Journal provides a forum for the research and professional communities dealing with water systems in the urban environment, directly contributing to the furtherance of sustainable development. Particular emphasis is placed on the analysis of interrelationships and interactions between the individual water systems, urban water bodies and the wider environment. The Journal encourages the adoption of an integrated approach, and system''s thinking to solve the numerous problems associated with sustainable urban water management. Urban Water Journal focuses on the water-related infrastructure in the city: namely potable water supply, treatment and distribution; wastewater collection, treatment and management, and environmental return; storm drainage and urban flood management. Specific topics of interest include: network design, optimisation, management, operation and rehabilitation; novel treatment processes for water and wastewater, resource recovery, treatment plant design and optimisation as well as treatment plants as part of the integrated urban water system; demand management and water efficiency, water recycling and source control; stormwater management, urban flood risk quantification and management; monitoring, utilisation and management of urban water bodies including groundwater; water-sensitive planning and design (including analysis of interactions of the urban water cycle with city planning and green infrastructure); resilience of the urban water system, long term scenarios to manage uncertainty, system stress testing; data needs, smart metering and sensors, advanced data analytics for knowledge discovery, quantification and management of uncertainty, smart technologies for urban water systems; decision-support and informatic tools;...