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Earthquakes
Earthquakes occur when tectonic plates move, causing ground shaking with varying intensity and impact. For a detailed description, click on the article title.
Tag: Earth
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Ozone hole
Areas of depletion of ozone in Earth’s stratosphere, caused by chlorofluorocarbons.
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Physical geography
The subdiscipline of geography is most concerned with the climate, landforms, soils, and physiography of the earth’s surface.
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Planet Earth
The Earth is one of nine planets that make up the Solar System.
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Remote sensing
Remote sensing is the science of acquiring and analyzing data without being in contact with the subject.
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Spatial
Geographers recognize spatial distributions and patterns in Earth’s physical and human characteristics. The term spatial comes from the noun “space,” and it relates to the distribution of various phenomena on Earth’s surface. Geographers portray spatial data cartographically-that is, with maps.
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Summer solstice
On or about June 22, the first day of summer in the Northern Hemisphere, the northern tip of Earth’s axis is inclined toward the sun at an angle of 23.5 degrees from a line perpendicular to the plane of the ecliptic. This is the summer solstice in the Northern Hemisphere. On or about December 22, the first day of winter in the Northern Hemisphere, the southern tip of Earth’s axis is inclined toward the sun at an angle of 23.5 degrees from a line perpendicular to the plane of the ecliptic. This is the summer solstice in the Southern Hemisphere.
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Tectonic processes
Processes that derive their energy from within the earth’s crust and serve to create landforms by elevating, disrupting, and roughening the earth’s surface.