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Science reassessment of hypoxia in the Gulf of Mexico and actions needed to reduce nutrient loads to the Gulf

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Abstract:

Abstract: Nutrient-enriched waters transported by the Mississippi and Atchafalaya Rivers are enriching the shoreline waters of the Gulf of Mexico contributing to hypoxic conditions. Previous science findings were that a 30% reduction in nitrate discharge to the Gulf was needed to meet the 2015 goal for reducing the size of the hypoxic zone. A re-assessment of the Gulf science completed in 2007 by the EPA Science Advisory Board has determined that 45% reductions of both nitrogen and phosphorus loading to the Gulf are needed to meet the 2015 goal. The science re-assessment characterizes needed nutrient reductions from both point and nonpoint sources in the basin to meet the hypoxia goal. This symposium which is sponsored by the Upper Mississippi River Subbasin Hypoxia Nutrient Committee (UMRSHNC) comprised of the states of Illinois, Iowa, Minnesota, Missouri, and Wisconsin, will characterize the science re-assessment and actions needed to address Gulf hypoxia. Extent and seasonal variation of the Gulf hypoxic zone, and modeling to determine needed reductions in nutrient loading will be reviewed. Historical and present nutrient loading to the Gulf and needed nutrient reductions from both point and nonpoint sources will be discussed. The challenges and feasibility of achieving 45% reductions of both nitrogen and phosphorus delivered to the Gulf will be characterized, as well as the implications of these nutrient reductions to improve in-state and local water quality.
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Association:
Name: SOIL AND WATER CONSERVATION SOCIETY
URL:
http://www.swcs.org


Citation:
URL: http://citation.allacademic.com/meta/p270928_index.html
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MLA Citation:

Greene, Rick., David, Mark. and McKenna, Dennis. "Science reassessment of hypoxia in the Gulf of Mexico and actions needed to reduce nutrient loads to the Gulf" Paper presented at the annual meeting of the SOIL AND WATER CONSERVATION SOCIETY, TBA, Tucson, Arizona, <Not Available>. 2013-12-14 <http://citation.allacademic.com/meta/p270928_index.html>

APA Citation:

Greene, R. , David, M. and McKenna, D. P. "Science reassessment of hypoxia in the Gulf of Mexico and actions needed to reduce nutrient loads to the Gulf" Paper presented at the annual meeting of the SOIL AND WATER CONSERVATION SOCIETY, TBA, Tucson, Arizona <Not Available>. 2013-12-14 from http://citation.allacademic.com/meta/p270928_index.html

Publication Type: Abstract
Abstract: Abstract: Nutrient-enriched waters transported by the Mississippi and Atchafalaya Rivers are enriching the shoreline waters of the Gulf of Mexico contributing to hypoxic conditions. Previous science findings were that a 30% reduction in nitrate discharge to the Gulf was needed to meet the 2015 goal for reducing the size of the hypoxic zone. A re-assessment of the Gulf science completed in 2007 by the EPA Science Advisory Board has determined that 45% reductions of both nitrogen and phosphorus loading to the Gulf are needed to meet the 2015 goal. The science re-assessment characterizes needed nutrient reductions from both point and nonpoint sources in the basin to meet the hypoxia goal. This symposium which is sponsored by the Upper Mississippi River Subbasin Hypoxia Nutrient Committee (UMRSHNC) comprised of the states of Illinois, Iowa, Minnesota, Missouri, and Wisconsin, will characterize the science re-assessment and actions needed to address Gulf hypoxia. Extent and seasonal variation of the Gulf hypoxic zone, and modeling to determine needed reductions in nutrient loading will be reviewed. Historical and present nutrient loading to the Gulf and needed nutrient reductions from both point and nonpoint sources will be discussed. The challenges and feasibility of achieving 45% reductions of both nitrogen and phosphorus delivered to the Gulf will be characterized, as well as the implications of these nutrient reductions to improve in-state and local water quality.

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Similar Titles:
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