Atchafalaya River

Table 4.6 (opal, carbonate and aluminosilicate) were chosen to provide end members for matrix analysis. These samples also could be blended to produce any mixture desired. Sampling sediments from well-studied depositional regions such as MANOP Site R in the North Pacific (for open-ocean red clay) and Florida Bay (for carbonate sediments) would offer a variety of supplemental information that is already available. In addition, the (Atchafalaya) river sediment would provide a useful link between those studying terrestrial and marine processes. 

Pakulski, J. D., R. Benner, T. Whitledge, R. Amon, B. Eadie, L. Cifuentes, J. Ammerman, and D. Stockwell. 2000. Microbial metabolism and nutrient cycling in the Mississippi and Atchafalaya River plumes. Estuarine Coastal and Shelf Science 50 173-184. 

Allison, M.A., Kineke, G.C., Gordon, E.S., and Goni, M.A. (2001) Development and reworking of a seasonal flood deposit on the inner continental shelf off the Atchafalaya River. Cont. Shelf Res. 20, 2267-2294. 

Krest, J.M., Moore, W.S., and Rama, J. (1999) 226Ra and 228Ra in the mixing zones of the Mississippi and Atchafalaya Rivers indicators of groundwater input. Mar. Chem. 64, 129-152. 

Two commercially important species of Louisiana crayfish, Procambarus clarkii and P. acutus, from the Atchafalaya River Basin, from open ponds, and from the sediment and water of these environments, were sampled three times during two consecutive fishing (production) seasons [19]. The abdominal muscle and hepatopancreatic tissue were analyzed separately. Lead, Hg, and Cd, if present, were in concentrations below the limit of detection (LoD). The heptato-pancreatic tissue contained (in p,gkg 1) Ba<8, Cu 11-15, and Fe < 640. Abdominal muscle samples had <3 p,gkg 1 of most metals. Locations with the highest levels of metal residues in sediment were not necessarily locations where crayfish had the highest levels in their tissues. 

P. V. Winger, J. K. Andreasen, Contaminant residues in fish and sediments from lakes in the Atchafalaya river basin (Louisiana), Arch. Environ. Contam. Toxicol., 14 (1985), 579-586. 

U.S. Department of Health, Education, and Welfare, Public Health Service, Report on Investigation of Fish Kills in Lower Mississippi River, Atchafalaya River and Gulf of Mexico, April 6, 1964. 

Pakulski, J. D., Benner, R., Whidedge, T., Amon, R., Eadie, B., Cifuentes, L., Ammerman, J., and StockweU, D. (2000a). Microbial metabohsm and nutrient cychng in the Mississippi and Atchafalaya river plumes. Estuarine Coastal And Shef Science 50, 173—184. 

G. J. (1999) Eluxand sources of nutrients in the Mississippi-Atchafalaya River Basin Topic 3. Report for the Integrated Assessment on Hypoxia in the Gulf ifiMexico. Coastal Ocean Program Decision Analysis Series No. 17, US Dept, of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Silver Spring, MD. 

Shiller A. M. (1993) Comparison of nutrient and trace element distributions in the delta and shelf outflow regions of the Mississippi and Atchafalaya Rivers. Estuaries 16(3A), 541-546. 

S.L. Holder Sandvik, P. Bilski, J.D. Pakulski, C.F. Chignell, R.B. Coffin (2000). Photogeneration of singlet oxygen and free radicals in dissolved organic matter isolated from the Mississippi and Atchafalaya River plumes. Mar. Chem., 69, 139-152. 

Figure 2.1. Dissolved organic matter UV-Visible absorption spectra and specific UV absorbance data for the Penobscot River, Atchafalaya River and the Colorado River.

Chen, R.F. and Gardner, G.B. (2004). High-resolution measurements of chromophoric dissolved organic matter in the Mississippi and Atchafalaya River plume regions. Mar. Chem., 89(1-4), 103-125. 

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