Videos

Interview by Richard Coupe (U.S. Geological Survey) of Heather Welch-- a scientist involved in the National Water Quality Assessment (NAWQA) Study of Agricultural Chemical Transport (ACT)-- on her research results on environmental effects of biofuel production.

Richard Coupe (U.S. Geological Survey) summarizes research results of glyphosate and water quality as part of the the National Water Quality Assessment (NAWQA) Study of Agricultural Chemical Transport (ACT).

Interview by Richard Coupe (US Geological Survey) of Claire Rose- a scientist involved in the National Water Quality Assessment (NAWQA) Study of Agricultural Chemical Transport (ACT)on research results of metolachlor transport.

Interview by Richard Coupe (U.S. Geological Survey) of Richard Rebich-- a scientist involved in the National Water Quality Assessment (NAWQA) Study of Agricultural Chemical Transport (ACT)-- results of SPARROW Modeling. SPARROW is a a modeling tool for the regional interpretation of water-quality monitoring data.

Interviews by Richard Coupe (US Geological Survey) of scientists involved in the National Water Quality Assessment (NAWQA) Study of Agricultural Chemical Transport (ACT) in the environment.

Water-quality sampling of the Mississippi River by Mike Manning, David Burt, and Claire Rose of the U.S. Geological Survey.

Claire Rose (USGS) and Richard Coupe (USGS) talk with Kenneth Hood about farming and Agricultural Chemical Transport (ACT) Study research done on his farm in the Mississippi Delta.

Claire Rose (USGS) and Richard Coupe (USGS) talk with Lawrence Murphy about farming and Agricultural Chemical Transport Study research done on his farm in the Mississippi Delta.

U.S. Geological Survey scientists encounter Asian flying carp on the Yazoo River, Mississippi.

Permanent Control Site: GP1 East Transect; Depth: 7.2 Meters (23.6 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.11852521,-123.31538047; Site Description: This site was established as the eastern control. Depth is medium-shallow.

Permanent Control Site: GP1 West Transect; Depth: 7.6 Meters (24.9 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow.

Permanent Control Site: GP2 East Transect; Depth: 12.9 Meters (42.3 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.12781102,-123.31645664; Site Description: This site was established as the eastern control. Substrate is mainly a gravel sand mixture.

Permanent Control Site: GP2 West Transect; Depth: 12.7 Meters (41.8 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders.

Permanent Site: E2 East Transect; Depth: 14.7 Meters (48.2 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15653002,-123.56130401; Site Description: This is one of our deeper sites. Video was not available in 2011 for this site pre-dam removal.

Permanent Site: E2 West Transect; Depth: 15.0 Meters (49.1 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15653002, -123.56197605; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with scattered boulders.

Permanent Site: H2 East Transect; Depth: 7.9 Meters (26.0 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth.

Permanent Site: A2 East Transect; Depth: 12.9 Meters (Feet 42.4); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Annual seaweeds are present but very sparse.

Permanent Site: F2 East Transect; Depth: 11.7 Meters (38.3 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15672004,-123.54969397; Site Description: Substrate is mainly gravel mixed with a little cobble and an occasional boulder.

Permanent Site: F2 West Transect; Depth: 11.6 Meters (38.2 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15672004,-123.55036603; Site Description: Substrate is mainly gravel mixed with a little cobble and an occasional boulder.

Interview footage avialable for release. Corresponds with Gary Wedemeyer publication for Western Fisheries Research Center to be published in next few weeks.

Time-lapse photos taken from from the Hwy 64 Bridge on the Platte River near streamflow-gaging station 06796500. Photos taken every hour from June 1, 2012 to Aug. 6, 2012.