Ch 17 ed

Chapter 17 Lecture Outline Water Use and Management

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Hydrologic Cycle Redistributes Water ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Water Supplies are Unevenly Distributed ,[object Object],[object Object],[object Object],[object Object],[object Object]

Mountains act as cloud formers & rain catchers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Major Water Compartments ,[object Object],[object Object],[object Object],[object Object]

The Oceans are a Major Water Compartment ,[object Object],[object Object],[object Object],[object Object]

Frozen Water Compartments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Palisades Glacier ~ Sierra Nevada

Ground Water Compartments ,[object Object],[object Object],[object Object],[object Object],[object Object]

Groundwater Stores Large Water Resources ,[object Object],[object Object],[object Object],[object Object],[object Object]

River & Streams Are Water Compartments ,[object Object],[object Object],[object Object],[object Object],[object Object]

Lakes and Ponds are Water Compartments ,[object Object],[object Object],[object Object],[object Object]

Wetlands are Water Compartments ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Atmosphere: A Small Water Compartment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Water Availability and Use

Many Countries Suffer Water Scarcity ,[object Object],[object Object],[object Object],[object Object]

Drought Cycles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SE Australia 2009

Water Consumption Is Less Than Withdrawal ,[object Object],[object Object],[object Object],California Water Consumption

Water Use is Increasing ,[object Object],[object Object],[object Object],[object Object],Percolation Basin, Watsonville, CA for recharging the aquifer beneath.

Water Withdrawal and Consumption

Quantities of Water Used ,[object Object],[object Object],[object Object],[object Object],Owens (Dry) Lake: Owens Valley California

Agricultural Is the Greatest Water Consumer ,[object Object],[object Object],[object Object],[object Object],[object Object],2002 Lake Chad

Water Use in Agriculture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Domestic and Industrial Water Use ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Territory size shows the proportion of worldwide water use occuring there ) Four thousand cubic kilometres of water are used by people each year around the world, for domestic, agricultural and other industrial purposes. This does not include non-consumptive uses such as energy generation, mining, and recreation. China, India and the United States use the most water. These are also the territories where the most people live. But water use per person is about three times higher in the United States than it is in India and China. Whilst everybody needs water, people use hugely varying quantities. On average, people living in Central Africa each use only 2% of the water used by each person living in North America.

Typical Household Water Use in U.S.

Freshwater Shortages ,[object Object],[object Object],[object Object],[object Object]

Many People Lack Access to Clean Water ,[object Object],[object Object],[object Object]

Groundwater is Being Depleted ,[object Object],[object Object],[object Object],[object Object],Groundwater depletion is occurring in all of the groundwater basins of the Great Valley. Map by USGS. ,[object Object],[object Object],[object Object]

Depleting Groundwater ,[object Object],[object Object],[object Object],China: Giant Sinkhole

Climate Change Threatens Water Supplies ,[object Object],[object Object],Graphic of ways climate change affects California's water.

Global Water Shortages ,[object Object],[object Object],[object Object],[object Object]

North American Water Shortages ,[object Object],[object Object],[object Object],[object Object]

Dams and Diversions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],California Water System Tennessee Valley Authority

Dams and Diversions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],St. Francis Dam Failure, Los Angeles 1928

Rivers are Shrinking ,[object Object],[object Object],Mudflats of the Colorado River at the Sea of Cortez

Would You Fight for Water? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Dams Displace People & Damage Ecosystems ,[object Object],[object Object],[object Object],[object Object],The Narmada Valley Development Project is the single largest river development scheme in India. It is one of the largest hydroelectric projects in the world and will displace approximately 1.5 million people from their land in three states (Gujarat, Maharashtra, and Madhya Pradesh). The environmental costs of such a project, which involves the construction of more than 3,000 large and small dams, are immense. The project will devastate human lives and biodiversity by inundating thousands of acres of forests and agricultural

Sedimentation Limits Reservoir Life ,[object Object],[object Object],[object Object],[object Object],Tarbela Dam India: Being studied to see if it is feasible to remove sediment.

Getting By With Less Water ,[object Object],[object Object],[object Object],[object Object],[object Object]

Snow Geese Flying Over Klamath Wetlands

Increasing Water Supplies ,[object Object],[object Object],[object Object],[object Object],[object Object],Desalinization Plant Adelaide, Australia

Domestic Conservation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Price Mechanisms and Water Policy ,[object Object],[object Object],[object Object],[object Object]

Price Mechanisms and Water Policy ,[object Object],[object Object]

Ch 17 ed

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Ch 17 ed