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Date: July 31st, 2019 Category: Environment

Groundwater Pollution And Treatment

Approximately one-half of all people in the United States depend on groundwater as their source of drinking water. We are therefore concerned about the introduction into aquifers of chemical elements,…

Date: July 31st, 2019 Category: Environment

An Overview Of Water Pollution

Water pollution refers to degradation of water quality as measured by biological, chemical, or physical criteria. This degradation is judged according to the intended use of the water, its departure f…

Date: July 31st, 2019 Category: Environment

Water Conservation

What can be done to use water more efficiently and reduce withdrawal and consumption? Since irrigation is one of the largest consumptive uses, improved agricultural irrigation could reduce water withd…

Date: July 31st, 2019 Category: Environment

Factors Affecting Runoff And Sediment Yield

The amount of surface-water runoff and sediment carried by the runoff varies significantly among drainage basins and rivers. The variation results from geologic, topographic, climatic, vegetation, and…

Date: July 31st, 2019 Category: Environment

Water: A Brief Global Perspective

The global water cycle, or hydrologic cycle, involves the movement or transfer of water from one of Earth's storage compartments, such as the ocean, lakes, and the atmosphere, to another. In its simpl…