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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.
Climate change in Oklahoma. Köppen climate types in Oklahoma showing most of the state to now be humid subtropical. Regions of the High Plains Aquifer System where the water level has declined in the period 1980-1995 are shown in yellow and red. Climate change in Oklahoma encompasses the effects of climate change, attributed to man-made ...
The frost line —also known as frost depth or freezing depth —is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on nearby heat sources. For example, snow cover and asphalt ...
The Oklahoma Mesonet is a network of environmental monitoring stations designed to measure the environment at the size and duration of mesoscale weather events. The phrase "mesonet" is a portmanteau of the words mesoscale and network . The network consists of 120 automated stations covering Oklahoma and each of Oklahoma's counties has at least ...
Cross Timbers. The term Cross Timbers, also known as Ecoregion 29, Central Oklahoma/Texas Plains, is used to describe a strip of land in the United States that runs from southeastern Kansas across Central Oklahoma to Central Texas. [ 1] Made up of a mix of prairie, savanna, and woodland, [ 2][ 3] it forms part of the boundary between the more ...
Oklahoma is the 20th-largest state in the United States, covering an area of 69,895 square miles (181,030 km 2 ), with 68,591 square miles (177,650 km 2) of land and 1,304 square miles (3,380 km 2) of water. [ 60] It lies partly in the Great Plains near the geographical center of the 48 contiguous states.
Port Silt Loam. Port Silt Loam is the state soil of Oklahoma. This type of soil is reddish in color due to the weathering of reddish sandstones, siltstones, and shales of the Permian period. It is a medium-textured alluvial soil deposited along flood plains. Port Silt Loam can be found in 33 of the 77 counties in Oklahoma and covers around one ...
The soil suborders within an order are differentiated on the basis of soil properties and horizons which depend on soil moisture and temperature. Forty-seven suborders are recognized in the United States. [6] The soil great group category is a subdivision of a suborder in which the kind and sequence of soil horizons distinguish one soil from ...