Encyclopedia of Geography Terms, Themes, and Concepts
upper slopes and may achieve 60 kph. Deaths by lava are rare in today’s world but property damage can be immense if lava enters ...
W Weathering and Mass Wasting The materials on the land surfaces of our planet are not everlasting and do not stay in the same p ...
the number of freeze-thaw cycles, the greater the amount of frost shattering. A unique characteristic of water is that it increa ...
the total mass of life pales in comparison to the mass of the outermost crust. Plant roots can mechanically increase the size of ...
There are several different types of mass wasting and these types are listed in Table 5. The types are differentiated by their s ...
the force rapidly increases. For instance, a doubling in wind velocity from 10 kph to 20 kphquadruplesthe force of the wind so t ...
pieces of rock that are quite angular in all dimensions and act quite a bit differently than the smaller pieces known as clay an ...
The third type of dune is the transverse dune. The transverse dune occurs on surfaces covered thickly by sand. They develop on a ...
Coriolis force or Coriolis effect stems from the fact that Earth rotates under the wind resulting in the wind being bent (to the ...
blow from the southeast. The trade winds flow out of the subtropical highs, which represent sinking, warming air forced by air t ...
dimension, the “semi-periphery,” a zone of transition, in which countries are both victimized by the core group, and exploit tho ...
and both systems of governance and state institutions are unstable and inefficient. Countries located in this zone are often the ...
the dominance of the core. In addition, some states in the semi-periphery acquire sufficient influence to exploit states located ...
Z Zoogeographic Regions Traveling aboutEarth, it is manifest, even to the most casual of observers, that animal life has signifi ...
the zoogeographic concept has remained intact for well over a century. It was not an attempt to micro-analyze the faunal world, ...
The Ethiopian Region is Africa south of the Sahara and the southern part of the Arabian Peninsula. The large expanses of ocean a ...
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Selected Bibliography Alonso, William.Location and Land Use: Toward a General Theory of Land Rent. Cambridge, MA: Harvard Univer ...
Clout, Hugh, editor.Contemporary Rural Geographies. London and New York: Routledge, 2007. Coe,Neil,PhilipKelly,andHenryW.C.Yeung ...
Hartshorne, Richard.The Nature of Geography. Lancaster, PA: Association of American Geographers, 1939. Herschy, Reginald W., and ...
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