{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T12:22:58Z","timestamp":1773145378507,"version":"3.50.1"},"reference-count":28,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2002,7,1]],"date-time":"2002-07-01T00:00:00Z","timestamp":1025481600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000139","name":"U.S. Environmental Protection Agency","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000139","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Env Quality"],"published-print":{"date-parts":[[2002,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>A five\u2010year record of streamflow and chemical sampling data was evaluated to assess the effects of large\u2010scale prairie restoration on transport of NO<jats:sub>3<\/jats:sub>\u2013N, Cl, and SO<jats:sub>4<\/jats:sub> loads from paired 5000\u2010ha watersheds located in Jasper County, Iowa. Water quality conditions monitored during land use conversion from row crop agriculture to native prairie in the Walnut Creek watershed were compared with a highly agricultural control watershed (Squaw Creek). Combining hydrograph separation with a load estimation program, baseflow and stormflow loads of NO<jats:sub>3<\/jats:sub>\u2013N, Cl, and SO<jats:sub>4<\/jats:sub> were estimated at upstream and downstream sites on Walnut Creek and a downstream site on Squaw Creek. Chemical export in both watersheds was found to occur primarily with baseflow, with baseflow transport greatest during the late summer and fall. Lower Walnut Creek watershed, which contained the restored prairie areas, exported less NO<jats:sub>3<\/jats:sub>\u2013N and Cl compared with upper Walnut Creek and Squaw Creek watersheds. Average flow\u2010weighted concentrations of NO<jats:sub>3<\/jats:sub>\u2013N exceeded 10 mg\/L in upper Walnut Creek and Squaw Creek, but were estimated to be 6.6 mg\/L in lower Walnut Creek. Study results demonstrate the utility of partitioning loads into baseflow and stormflow components to identify sources of pollutant loading to streams.<\/jats:p>","DOI":"10.2134\/jeq2002.1184","type":"journal-article","created":{"date-parts":[[2010,6,14]],"date-time":"2010-06-14T02:30:08Z","timestamp":1276482608000},"page":"1184-1193","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":68,"title":["Chemical Transport from Paired Agricultural and Restored Prairie Watersheds"],"prefix":"10.1002","volume":"31","author":[{"given":"Keith E.","family":"Schilling","sequence":"first","affiliation":[{"name":"Iowa Dep. of Natural Resources Geological Survey Bureau 109 Trowbridge Hall Iowa City IA 52242\u20101319"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2002,7]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq1978.00472425000700020010x"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1890\/1051-0761(1998)008[0559:NPOSWW]2.0.CO;2"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1029\/92WR01008"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1029\/WR025i005p00937"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq1996.00472425002500050007x"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.2307\/1468291"},{"key":"e_1_2_6_8_1","volume-title":"Ground water","author":"Freeze R.A.","year":"1979"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1029\/WR026i009p02069"},{"key":"e_1_2_6_10_1","first-page":"23","volume-title":"Rural ground water contamination","author":"Hallberg G.R.","year":"1987"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq1999.00472425002800010002x"},{"key":"e_1_2_6_12_1","volume-title":"Mississippian aquifer of Iowa","author":"Horick P.J.","year":"1973"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq1999.00472425002800010005x"},{"key":"e_1_2_6_14_1","volume-title":"U.S. Geological Survey Techniques of Water\u2010Resources Investigations. 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