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Developing and Implementing a Regional Water Shortage Mitigation Plan 制定并实施区域水资源短缺缓解计划
发布日期: 2007-06-01
本powerpoint演示文稿首先提供坦帕湾水资源的背景信息,包括:历史上以地下水供应为导向; 20世纪90年代大规模的供水诉讼 与环境退化有关; 该机构于1998年改革为坦帕湾 水 允许与改革挂钩; 减少地下水协议;和 水资源总体规划 替代水源。该演讲概述了历史事件如何支持改进的需求 缺水规划以及缺水缓解计划(WSMP)触发标准应基于 供水可靠性和增强的地表水系统(ESWS)供水可靠性促使人们需要一个短缺计划。水资源短缺缓解计划(WSMP) 目标包括: 水资源短缺的定义能与 与高感染风险相对应的条件 地表水供应枯竭;和 缓解活动能否满足需求 (减少、增加供应) 可量化地降低地表水风险 疲惫WSMP触发器的目标包括: 4级供水危机-关键供水 短缺,ESWS即将关闭; 三级缺水——极端供水 短缺,降低了ESWS的可靠性 水库高程; 二级干旱预警——降雨量减少和 河流流量、水库蓄水量充足,但 减少;和 1级干旱警报-降雨量或溪流减少 流量,表明供水短缺的可能性。水资源短缺水平的发展和 触发器, 需求管理行动,以及 供应管理行动均已呈现。
This powerpoint presentation begins by providing background information on Tampa Bay Water that includes: historically groundwater supply-oriented; extensive water supply litigation in 1990's related to environmental degradation; agency reformed in 1998 as Tampa Bay Water; permitting tied to reformation; groundwater reduction agreement; and, Master Water Plan developed for alternative water supply sources. The presentation outlines how historical events supported the need for improved water shortage planning, along with Water Shortage Mitigation Plan (WSMP) trigger criteria should be based on supply reliability, and Enhanced Surface Water System (ESWS) supply reliability drives the need for a shortage plan. Water Shortage Mitigation Plan (WSMP) objectives include: can water shortage definitions be linked to conditions corresponding to high risk of surface water supply exhaustion; and, can mitigation activities (demand reduction, supply augmentation) quantifiably reduce risk of surface water exhaustion? Objectives for WSMP Triggers include: Level 4 Water Supply Crisis - critical water supply shortage, ESWS shutdown imminent; Level 3 Water Shortage - extreme water supply shortage, reduced ESWS reliability with decreasing reservoir elevation; Level 2 Drought Warning - reduced rainfall and stream flow, reservoir storage adequate but decreasing; and, Level 1 Drought Alert - reduced rainfall or stream flow, indicating potential for water supply shortage. Development of water shortage levels and triggers, demand management actions, and supply management actions are all presented.
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发布单位或类别: 美国-美国给水工程协会
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