Solutions for Chapter 13: Water Resources

The apparent brightness of a star if it were viewed from a distance of 10 parsecs (32.6 light-years). Used to compare the true brightness of stars.

A large body of air that is characterized by a sameness of temperature and humidity.

The smallest particle that exists as an element.

A pipelike opening through which magma moves toward Earth’s surface. It terminates at a surface opening called a vent.

See Anemometer.

A climate located on the west sides of continents between latitudes 30° and 45°. It is the only humid climate with a strong winter precipitation maximum.

A ridge of till marking a former position of the front of a glacier.

The remains or traces of organisms preserved from the geologic past.

Igneous rock that formed below Earth’s surface.

An atom or molecule that possesses an electrical charge.

A cold air mass that forms in a high-latitude source region. Polar easterlies In the global pattern of prevailing winds, winds that blow from the polar high toward the subpolar low. These winds, however, should not be thought of as persistent winds, such as the trade winds.

Stars poor in atoms heavier than helium. Nearly always relatively old stars found in the halo, globular clusters, or nuclear bulge.

The nature of the change in atmospheric pressure over the past several hours. It can be a useful aid in short range weather prediction.

An end moraine formed as the ice front stagnated during glacial retreat.

A relatively dense dust cloud in interstellar space that is illuminated by starlight.

The motion of one body about another, as Earth about the Sun.

A tabular igneous body that was intruded parallel to the layering of preexisting rock.

See Divergent boundary.

The equinox that occurs on March 21–22 in the Northern Hemisphere and on September 21–23 in the Southern Hemisphere.

Radiation with a wavelength from 0.4 to 0.7 micrometer.