Simulation of stream discharge and transport of nitrate and selected herbicides in the Mississippi River Basin
Stream discharge and the transport of nitrate, atrazine, and metolachlor in the Mississippi River Basin were simulated using the DAFLOW/BLTM hydrologic model. The simulated domain for stream discharge included river reaches downstream from the following stations in the National Stream Quality Accoun...
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Veröffentlicht in: | Hydrological processes 2001-05, Vol.15 (7), p.1157-1167 |
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creator | Broshears, Robert E. Clark, Gregory M. Jobson, Harvey E. |
description | Stream discharge and the transport of nitrate, atrazine, and metolachlor in the Mississippi River Basin were simulated using the DAFLOW/BLTM hydrologic model. The simulated domain for stream discharge included river reaches downstream from the following stations in the National Stream Quality Accounting Network: Mississippi River at Clinton, IA; Missouri River at Hermann, MO; Ohio River at Grand Chain, IL; and Arkansas River at Little Rock, AR. Coefficients of hydraulic geometry were calibrated using data from water year 1996; the model was validated by favourable simulation of observed discharges in water years 1992–1994. The transport of nitrate, atrazine, and metolachlor was simulated downstream from the Mississippi River at Thebes, IL, and the Ohio River at Grand Chain. Simulated concentrations compared favourably with observed concentrations at Baton Rouge, LA. Development of this model is a preliminary step in gaining a more quantitative understanding of the sources and fate of nutrients and pesticides delivered from the Mississippi River Basin to the Gulf of Mexico. Published in 2001 by John Wiley & Sons, Ltd. |
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The simulated domain for stream discharge included river reaches downstream from the following stations in the National Stream Quality Accounting Network: Mississippi River at Clinton, IA; Missouri River at Hermann, MO; Ohio River at Grand Chain, IL; and Arkansas River at Little Rock, AR. Coefficients of hydraulic geometry were calibrated using data from water year 1996; the model was validated by favourable simulation of observed discharges in water years 1992–1994. The transport of nitrate, atrazine, and metolachlor was simulated downstream from the Mississippi River at Thebes, IL, and the Ohio River at Grand Chain. Simulated concentrations compared favourably with observed concentrations at Baton Rouge, LA. Development of this model is a preliminary step in gaining a more quantitative understanding of the sources and fate of nutrients and pesticides delivered from the Mississippi River Basin to the Gulf of Mexico. 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Process</addtitle><description>Stream discharge and the transport of nitrate, atrazine, and metolachlor in the Mississippi River Basin were simulated using the DAFLOW/BLTM hydrologic model. The simulated domain for stream discharge included river reaches downstream from the following stations in the National Stream Quality Accounting Network: Mississippi River at Clinton, IA; Missouri River at Hermann, MO; Ohio River at Grand Chain, IL; and Arkansas River at Little Rock, AR. Coefficients of hydraulic geometry were calibrated using data from water year 1996; the model was validated by favourable simulation of observed discharges in water years 1992–1994. The transport of nitrate, atrazine, and metolachlor was simulated downstream from the Mississippi River at Thebes, IL, and the Ohio River at Grand Chain. Simulated concentrations compared favourably with observed concentrations at Baton Rouge, LA. Development of this model is a preliminary step in gaining a more quantitative understanding of the sources and fate of nutrients and pesticides delivered from the Mississippi River Basin to the Gulf of Mexico. Published in 2001 by John Wiley & Sons, Ltd.</description><subject>herbicides</subject><subject>metolachlor</subject><subject>Mississippi River</subject><subject>nitrate</subject><subject>river hydraulic modelling</subject><subject>transport</subject><subject>USA, Arkansas, Little Rock, Arkansas R</subject><subject>USA, Illinois, Grand Chain, Ohio R</subject><subject>USA, Illinois, Thebes, Mississippi R</subject><subject>USA, Iowa, Clinton, Mississippi R</subject><subject>USA, Louisiana, Baton Rouge, Mississippi R</subject><subject>USA, Missouri, Hermann, Missouri R</subject><subject>water quality</subject><issn>0885-6087</issn><issn>1099-1085</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqN0FGL1DAQB_AgCq574lfIkz5I10nTpsmjLnor7J7Led7hU0ibqY1205pkPffb26Xim3AwMAzzY2D-hLxgsGIA-ZvuNK5ykI_IgoFSGQNZPiYLkLLMBMjqKXkW43cAKEDCgvjP7nDsTXKDp0NLYwpoDtS62HQmfENqvKUpGB_HIaSz8G4a07yI2GOT0NIOQ-0aZzFS52nqkO5cjOcaR0ev3S8M9J2Jzl-QJ63pIz7_25fky4f3N-tNtv10-XH9dpsZLnOZcWsV1LJpjLEibwSCrEVlW4loa2lKxkWNVhZ1ZZWohWzL3JSWqVxZBrxQfEleznfHMPw8Ykz6ML2EfW88DseomWQVl-oBsCgVzye8JK9m2IQhxoCtHoM7mHDSDPQ5eD0Fr6fgJ_l6lveux9P_mN583c86m7WLCX__0yb80KLiVanvri71HvJytxN7fcv_AJAtlRQ</recordid><startdate>200105</startdate><enddate>200105</enddate><creator>Broshears, Robert E.</creator><creator>Clark, Gregory M.</creator><creator>Jobson, Harvey E.</creator><general>John Wiley & Sons, Ltd</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7TV</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>200105</creationdate><title>Simulation of stream discharge and transport of nitrate and selected herbicides in the Mississippi River Basin</title><author>Broshears, Robert E. ; Clark, Gregory M. ; Jobson, Harvey E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a3828-3dd90b8ccaad62c6e08b67df8eedb8a5136bed84b7d96b68f52a5d1929d103493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>herbicides</topic><topic>metolachlor</topic><topic>Mississippi River</topic><topic>nitrate</topic><topic>river hydraulic modelling</topic><topic>transport</topic><topic>USA, Arkansas, Little Rock, Arkansas R</topic><topic>USA, Illinois, Grand Chain, Ohio R</topic><topic>USA, Illinois, Thebes, Mississippi R</topic><topic>USA, Iowa, Clinton, Mississippi R</topic><topic>USA, Louisiana, Baton Rouge, Mississippi R</topic><topic>USA, Missouri, Hermann, Missouri R</topic><topic>water quality</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Broshears, Robert E.</creatorcontrib><creatorcontrib>Clark, Gregory M.</creatorcontrib><creatorcontrib>Jobson, Harvey E.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Hydrological processes</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Broshears, Robert E.</au><au>Clark, Gregory M.</au><au>Jobson, Harvey E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simulation of stream discharge and transport of nitrate and selected herbicides in the Mississippi River Basin</atitle><jtitle>Hydrological processes</jtitle><addtitle>Hydrol. Process</addtitle><date>2001-05</date><risdate>2001</risdate><volume>15</volume><issue>7</issue><spage>1157</spage><epage>1167</epage><pages>1157-1167</pages><issn>0885-6087</issn><eissn>1099-1085</eissn><abstract>Stream discharge and the transport of nitrate, atrazine, and metolachlor in the Mississippi River Basin were simulated using the DAFLOW/BLTM hydrologic model. The simulated domain for stream discharge included river reaches downstream from the following stations in the National Stream Quality Accounting Network: Mississippi River at Clinton, IA; Missouri River at Hermann, MO; Ohio River at Grand Chain, IL; and Arkansas River at Little Rock, AR. Coefficients of hydraulic geometry were calibrated using data from water year 1996; the model was validated by favourable simulation of observed discharges in water years 1992–1994. The transport of nitrate, atrazine, and metolachlor was simulated downstream from the Mississippi River at Thebes, IL, and the Ohio River at Grand Chain. Simulated concentrations compared favourably with observed concentrations at Baton Rouge, LA. Development of this model is a preliminary step in gaining a more quantitative understanding of the sources and fate of nutrients and pesticides delivered from the Mississippi River Basin to the Gulf of Mexico. Published in 2001 by John Wiley & Sons, Ltd.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/hyp.208</doi><tpages>11</tpages></addata></record> |
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subjects | herbicides metolachlor Mississippi River nitrate river hydraulic modelling transport USA, Arkansas, Little Rock, Arkansas R USA, Illinois, Grand Chain, Ohio R USA, Illinois, Thebes, Mississippi R USA, Iowa, Clinton, Mississippi R USA, Louisiana, Baton Rouge, Mississippi R USA, Missouri, Hermann, Missouri R water quality |
title | Simulation of stream discharge and transport of nitrate and selected herbicides in the Mississippi River Basin |
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