Exam 6: Water on Earth

The difference between a confined and unconfined aquifer is determined by whether there is solid,impermeable surface beneath the aquifer.

Discuss the different aspects of groundwater storage and movement below the surface.Include the ways in which groundwater comes to the surface on its own,or is drawn to the surface by humans,along with the consequences.

Gravitational water is water bound to soil by gravity.

Which of the following types of water is accessible to plants?

There is a single,universally accepted definition of drought scientists use to classify such events.

The general term for the lowering of water table of an aquifer through pumping is the potentiometric surface.

The California State Water Project is

Which of the following is TRUE of the distribution of land and water on Earth?

Excess surface water percolates through the zone of_________ to reach the zone of _________and the water table.

Discuss nonconsumptive use,consumptive use,and instream use as it pertains to the area in which you live.

States and countries have constructed networks of pipelines and aqueducts to transfer water from one geographic area to another.

A drought defined by the shortage of precipitation and soil moisture effects on crop yield is a(n)

Which of the following would decrease the rate at which evapotranspiration occurs?

Water covers approximately_______ of Earthʹs surface.

An estimated_______ percent of Earthʹs evaporation occurs over oceans.

Which of the following is NOT a main component of the hydrologic cycle?

Population growth and wasteful water usage threaten to produce water shortages in many nations of the world.