Download Total water management : practices for a sustainable future by Neil S Grigg; American Water Works Association PDF
By Neil S Grigg; American Water Works Association
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Extra resources for Total water management : practices for a sustainable future
Oil spills are a major source of contamination. Transportation may destroy habitat, as, for example, through dredging. Urban runoff Similar to land development, this causes contamination through release of sediment, organics, oil, and toxic chemicals. Water projects Water projects may reduce habitat through channelization, dams, and consumptive use of water, and may impact anadromous and riverine fish. Source: WQ 2000, 1992. The environmental problem The environmental problem is caused by decisions about water that hurt the environment and its living things.
In this section, we turn to how these players impact the systems and each other. Figure 2-6 illustrates how these impacts occur. The sources are shown on the outer ring and the impacts on the in‑ ner ring. The feedbacks and crossovers are shown with dashed lines. indb 30 5/5/2008 4:09:56 PM Chapter 2 Water Management and its Impacts 31 Small storage Big storage Diversions Small water systems Point discharges Utility activities Figure 2-5. ” The purposes of storage are to create reserve water supplies; to back up water for navigation, hydroelectric genera‑ tion, and recreation; or to mitigate floods by managing the release hy‑ drograph.
Indb 15 5/5/2008 4:09:37 PM 16 Total Water Management TWM framework and introduction (chapter 1) TBL reports (chapter 5) TWM goals and outcomes (chapter 3) Decisions scenarios and actions (chapter 2) Principles and processes (chapter 3) Institutional arrangements (chapter 10) Gaps and policy fixes (chapter 11) Planning and shared governance (chapter 4) Economic assessment (chapter 6) Environmental assessment (chapter 7) Social impact assessment (chapter 8) Laws and regulations (chapter 9) Figure 1-6.