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The Geography of Oklahoma encompasses terrain and ecosystems ranging from arid plains to subtropical forests and mountains. Oklahoma contains 10 distinct ecological regions, more per square mile than in any other state by a wide margin. [1] It is situated in the Great Plains and U.S. Interior Highlands region near the geographical center of the ...
The Oklahoma Mesonet is a network of environmental monitoring stations ... 1984 flood that killed 14 people in the Tulsa area. The 1984 flood demonstrated that ...
Climate change in Oklahoma encompasses the effects of climate change, attributed to man-made increases in atmospheric carbon dioxide, in the U.S. state of Oklahoma. The United States Environmental Protection Agency has noted: "In the coming decades, Oklahoma will become warmer, and both floods and droughts may be more severe. Most of Oklahoma ...
In June 2013, an Oklahoma Water Resources Board study disclosed that a build-up of clay and dirt had accumulated close to the water pump intake. This was the result of high evaporation rates and high water consumption. The lake received about 4 inches (10 cm) of rain in April 2013, but that would only extend the life of the lake about one week. [4]
On May 31 of that same year, another outbreak affected the Oklahoma City area, including an EF1 and an EF0 within the city and a tornado several miles west of the city that was 2.6 miles (4.2 km) in width, the widest tornado ever recorded, and it, as was the May 3, 1999 F5, was one of the most powerful tornadoes on record.
Dust Bowl. A farmer and his two sons during a dust storm in Cimarron County, Oklahoma, April 1936. Iconic photo entitled "Dust Bowl Cimarron County, Oklahoma" taken by Arthur Rothstein. Map of states and counties affected by the Dust Bowl between 1935 and 1938, originally prepared by the Soil Conservation Service.
A contour line (also isoline, isopleth, isoquant or isarithm) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value. [1][2] It is a plane section of the three-dimensional graph of the function parallel to the -plane. More generally, a contour line for a function of ...
In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historically using a variety of methods. Traditional definitions require a topographic map to show both ...