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Geophysics is applied to societal needs, such as mineral resources, mitigation of natural hazards and environmental protection. [4] In exploration geophysics , geophysical survey data are used to analyze potential petroleum reservoirs and mineral deposits, locate groundwater, find archaeological relics, determine the thickness of glaciers and ...
F2 propagation (F2-skip) is the reflection of VHF signals off the F2 layer of the ionosphere. The phenomenon is rare compared to other forms of propagation (such as sporadic E propagation , or E-skip) but can reflect signals thousands of miles beyond their intended broadcast area, substantially farther than E-skip.
Topics of geopolitics include relations between the interests of international political actors focused within an area, a space, or a geographical element, relations which create a geopolitical system. [4] Critical geopolitics deconstructs classical geopolitical theories, by showing their political or ideological functions for great powers.
Geography (from Ancient Greek γεωγραφία geōgraphía; combining gê 'Earth' and gráphō 'write', literally 'Earth writing') is the study of the lands, features, inhabitants, and phenomena of Earth.
As defined by National Geographic, geo-literacy is "the ability to use geographic understanding and geographic reasoning to make decisions". [1] History
Huge landslide at La Conchita, 1995. A geologic hazard or geohazard is an adverse geologic condition capable of causing widespread damage or loss of property and life. [1] These hazards are geological and environmental conditions and involve long-term or short-term geological processes.