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Pennsylvania 's physiographic provinces. The Coal Region of Northeastern Pennsylvania has abundant anthracite coal, a high-value energy source. The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections. Each province has its own economic advantages and geologic hazards ...
Soil erosion is the denudation or wearing away of the upper layer of soil. It is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice (glaciers), snow, air (wind), plants, and animals (including humans). In accordance with these agents, erosion is sometimes divided into water ...
The geology of the Appalachians dates back more than 1.2 billion years to the Mesoproterozoic era [1] when two continental cratons collided to form the supercontinent Rodinia, 500 million years prior to the development of the range during the formation of Pangea. The rocks exposed in today's Appalachian Mountains reveal elongate belts of folded ...
The Allegheny Plateau (/ ˌælɪˈɡeɪni / AL-ig-AY-nee) is a large dissected plateau area of the Appalachian Mountains in western and central New York, northern and western Pennsylvania, northern and western West Virginia, and eastern Ohio. It is divided into the unglaciated Allegheny Plateau and the glaciated Allegheny Plateau.
Besides coal mining and natural gas extraction, Appalachia faces other environmental issues, including deforestation, soil erosion, climate change, and water scarcity. Deforestation has negatively impacted the region's biologically diverse forests, reducing habitat for various species and altering the forest ecosystem.
Soil conservation. Contour plowing in Pennsylvania in 1938. The rows formed slow surface water run-off during rainstorms to prevent soil erosion and allow the water time to infiltrate into the soil. Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage ...
The Universal Soil Loss Equation (USLE) is a widely used mathematical model that describes soil erosion processes. [1]Erosion models play critical roles in soil and water resource conservation and nonpoint source pollution assessments, including: sediment load assessment and inventory, conservation planning and design for sediment control, and for the advancement of scientific understanding.
The watershed consists of portions of Greene, Harborcreek, and Lawrence Park townships, as well as Wesleyville, Pennsylvania. Fish migration improvement projects have included the destruction of two dams in 2007 and the planned construction of two fish ladders in 2008. Projects to stem sedimentation due to soil erosion were planned for 2008. [5]