An ensemble forecast is produced by:
A) collecting the professional opinions of a group of meteorologists.
B) combining the results from several different numerical models into one forecast.
C) slightly altering the underlying assumptions of a numerical model each time it is run.
D) running one model several times with slightly different initial conditions.
D
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Laterization is likely to occur in
A) cool, humid climate regions. B) semi-arid and arid environments. C) the tropics. D) areas of high potential evapotranspiration rates. E) areas characterized by sandy soils and coniferous forests.
The amount of tropical forest that is lost each year is approximately equivalent to the size of what U.S. state?
A) Rhode Island B) Texas C) Alaska D) Delaware E) Wisconsin
The use of transmitters and GPS systems are very important in the study of ____.
A. alterations in the water cycle B. acid rain C. environmental degradation D. volcanic activity E. endangered species
Low-latitude steppes with low sun rainfall would probably be located:
a. on the equatorward margins of the deserts. b. on the poleward margins of the tropical wet climate. c. on the poleward sides of the tropical deserts near the Mediterranean climate. d. in coastal locations near cool ocean currents.