Heather L Welch
Heather Welch is a Bureau Approving Official in the Office of Science Quality and Integrity.
Education and Certifications
1999, Texas A&M University, M.S., Department of Geosciences – Environmental Geochemistry
1997, Millsaps College, B.S. Geology
Science and Products
Filter Total Items: 14
Herbicide and degradate flux in the Yazoo River Basin Herbicide and degradate flux in the Yazoo River Basin
During 1996-1997, water samples were collected from five sites in the Yazoo River Basin and analysed for 14 herbicides and nine degradates. These included acetochlor, alachlor, atrazine, cyanazine, fluometuron, metolachlor, metribuzin, molinate, norflurazon, prometryn, propanil, propazine, simazine, trifluralin, three degradates of fluometuron, two degradates of atrazine, one degradate...
Authors
R.H. Coupe, H.L. Welch, A.B. Pell, E.M. Thurman
Evaluation of water-quality and habitat assessment data to determine ranges in stream conditions in the Mississippi River Alluvial Plain of northwestern Mississippi and eastern Arkansas Evaluation of water-quality and habitat assessment data to determine ranges in stream conditions in the Mississippi River Alluvial Plain of northwestern Mississippi and eastern Arkansas
No abstract available.
Authors
Richard A. Rebich, Heather L. Welch, Richard H. Coupe
Science and Products
Filter Total Items: 14
Herbicide and degradate flux in the Yazoo River Basin Herbicide and degradate flux in the Yazoo River Basin
During 1996-1997, water samples were collected from five sites in the Yazoo River Basin and analysed for 14 herbicides and nine degradates. These included acetochlor, alachlor, atrazine, cyanazine, fluometuron, metolachlor, metribuzin, molinate, norflurazon, prometryn, propanil, propazine, simazine, trifluralin, three degradates of fluometuron, two degradates of atrazine, one degradate...
Authors
R.H. Coupe, H.L. Welch, A.B. Pell, E.M. Thurman
Evaluation of water-quality and habitat assessment data to determine ranges in stream conditions in the Mississippi River Alluvial Plain of northwestern Mississippi and eastern Arkansas Evaluation of water-quality and habitat assessment data to determine ranges in stream conditions in the Mississippi River Alluvial Plain of northwestern Mississippi and eastern Arkansas
No abstract available.
Authors
Richard A. Rebich, Heather L. Welch, Richard H. Coupe