Exam 6: Water Resources

The difference between the wilting point and field capacity is approximately equal to

Soil moisture that plants are capable of accessing and using is called

Precipitation that reaches Earth's surface penetrates the soil surface through the process of

Actual evapotranspiration (ACTET) is determined by

Which of the following is true when the soil is at field capacity?

Of the example stations, which of the following experiences the greatest moisture deficits?

The water balance for Kingsport, Tennessee exhibits

When actual evapotranspiration is less than potential evapotranspiration, a soil moisture surplus exists.

Which of the following is true of precipitation in North America?

At wilting point, no water remains in the soil.

Although more water can be held in a clay soil, less is actually available for plant use than in a silt soil.

The water available to a plant is a function of soil texture and the effective rooting depth of the plant itself.

This region of the High Plains aquifer is suffering the least from groundwater mining

Which of the following accurately describes annual groundwater withdrawal in the United States?

Which of the following is $\underline { \text { not } }$ considered precipitation in all climates?

Transpiration refers to

Water demand is increasing at ________ rate of population growth.

Which of the following soil particle sizes is usually associated with the $\underline { \text { slowest } }$ recharge rate?

Abnormally high cancer rates have occurred in the New Orleans area because of the contamination of the Mississippi River.

Which of the following is normally true of a hot desert?