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About one-third of the total population of the Great Lakes basin is in the Lake Erie watershed. Approximately twelve million people live in the watershed, including seventeen metropolitan areas with more than 50, residents. The lake provides drinking water for about eleven million of these inhabitants. During the s water quality issues in the Great Lakes became a concern and Lake Erie was perceived to be "dying". By the late s, Canadian and American regulatory agencies were in agreement that limiting phosphorus lo was the key to controlling excessive algal growth and that a coordinated lakewide approach was necessary to deal with the phosphorus issue.
Open lake phosphorus concentrations declined due to the t efforts made. These controls represented an unprecedented success in producing environmental through international cooperation. The central and eastern basins change in the temperature at different depths every year.
Stratification refers to the layering that occurs, particularly in the warmer months, where a warmer, less dense layer of water the epilimnion overlies a colder denser layer the hypolimnion. Stratification can occur in the western basin but does not last very long. Stratification impacts the internal dynamics of the lake physically, biologically and chemically, and this in turn affects the amount of dissolved oxygen present at the bottom of the lake.
Clair Image. The Lake Erie watershed, the most populated of all Great Lakes basins, is very diverse.
It is largely agricultural, intensively industrialized, and highly urbanized. About one third of the total population of the Great Lakes basin resides within the Lake Erie watershed.
Of all the Great Lakes, Lake Erie is exposed to the greatest stress from urbanization, industrialization and agriculture. Lake Erie surpasses all the other Great Lakes in the amount of effluent received from sewage treatment plants and is also most subjected to sediment loading due to the nature of the underlying geology and land use.
Exposed agricultural and urban lands, particularly in southwest Ontario and northwest Ohio, contribute immense sediment lo to the lake. Lake Erie is the smallest of the Great Lakes by volume and also the shallowest. It warms quickly in the spring and summer and cools quickly in the fall. The shallowness of the basin and the warmer temperatures make it the most biologically productive of the Great Lakes. to ask a question, provide feedback, or report a problem. An official website of the United States government.
Related Topics: The Great Lakes. Clair The lake is naturally divided into three basins that virtually function as three separate lakes:.Erie single nice looking
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