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APES CH5 Vocab
Terms in this set (19)
the weather conditions prevailing in an area in general or over a long period.
the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc.
a rising of seawater
an effect whereby a mass moving in a rotating system experiences a force (the Coriolis force ) acting perpendicular to the direction of motion and to the axis of rotation. On the earth, the effect tends to deflect moving objects to the right in the northern hemisphere and to the left in the southern and is important in the formation of cyclonic weather systems.
a current in a fluid that results from convection.
a gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons.
rain shadow effect
An area having relatively little precipitation due to the effect of a topographic barrier, especially a mountain range, that causes the prevailing winds to lose their moisture on the windward side, causing the leeward side to be dry.
the climate of a very small or restricted area, especially when this differs from the climate of the surrounding area.
a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions
n. A subarctic area of northern Eurasia and North America located just south of the tundra and covered largely with coniferous forests dominated by firs and spruces. [Russian taĭga, from a Turkic source such as Tuvan tayga or Yakut tayğa.]
a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen
are a division of a larger biome grouping of grasslands that includes tropical savannas. Both biome types are characterized by a dominance of grasses, yet temperate grasslands differ significantly from savannas.
Moderately dry climatic conditions and seasonal disturbances, such as floods or fires, are generally conducive to the growth of grasses and prohibitive of that of trees and shrubs
a region with less than 40 inches of rain per year, arid, hot summers, cold winters with snowfall and temperatures that average below 50 degrees Fahrenheit.
are areas with annual precipitation less than 250 mm and a mean temperature during the warmest month of less than 10° C. Polar deserts on the Earth cover nearly 5 million square kilometers and are mostly bedrock or gravel plains.
facing the wind or on the side facing the wind.
on or toward the side sheltered from the wind or toward which the wind is blowing; downwind.
a large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra.
a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
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