Publications
Read publications and other informational products to learn more about USGS science occurring in the Mississippi Basin.
Filter Total Items: 5568
Water resources data, Iowa, water year 1996 Water resources data, Iowa, water year 1996
No abstract available.
Authors
J.E. May, J.G. Gorman, R.D. Goodrich, M.W. Bobier, V.E. Miller
Hydraulic analyses of alternative methods for reducing backwater from log jams on Locust Creek near Pershing State Park, Linn County, Missouri Hydraulic analyses of alternative methods for reducing backwater from log jams on Locust Creek near Pershing State Park, Linn County, Missouri
No abstract available.
Authors
T.W. Alexander
Evaluation of drawdown and sources of water in the Mississippi River alluvium caused by hypothetical pumping, Muscatine, Iowa Evaluation of drawdown and sources of water in the Mississippi River alluvium caused by hypothetical pumping, Muscatine, Iowa
A study was conducted to evaluate drawdown and volumetric changes in sources of water in the Mississippi River alluvium caused by hypothetical pumping. A steady-state, ground-water flow model was constructed for a previous study to simulate February 1993 hydrologic conditions, which were assumed to be an acceptable estimate of the ground-water system at equilibrium. The flow model was...
Authors
K.J. Lucey
Effects of the 1993 flood on the determination of flood magnitude and frequency in Iowa Effects of the 1993 flood on the determination of flood magnitude and frequency in Iowa
To evaluate the effects of the 1993 flood in the upper Mississippi River Basin on the determination of flood magnitude and frequency, discharges that had recurrence intervals of 10, 25, 50, and 100 years computed from data through the 1992 water year were compared with those computed from data through the 1993 water year for 62 selected streamflow-gaging stations in Iowa. On the basis of...
Authors
David A. Eash
The jumping crocs of the Adelaide River The jumping crocs of the Adelaide River
Abstract not supplied at this time
Authors
C.K. Dodd
Reforestation of bottomland hardwoods and the issue of woody species diversity Reforestation of bottomland hardwoods and the issue of woody species diversity
Bottomland hardwood forests in the southcentral United States have been cleared extensively for agriculture, and many of the remaining forests are fragmented and degraded. During the last decade, however, approximately 75,000 ha of land-mainly agricultural fields-have been replanted or contracted for replanting, with many more acres likely to be reforested in the near future. The...
Authors
J. A. Allen
A structural equation model of plant species richness and its application to a coastal wetland A structural equation model of plant species richness and its application to a coastal wetland
Studies of plant species richness have often emphasized the role of either community biomass (as an indicator of density effects) or abiotic factors. In this article we present a general model that simultaneously examines the relative importance of abiotic and density effects. General and specific models were developed to examine the importance of abiotic conditions, disturbance, and...
Authors
J.B. Grace, B.H. Pugesek
An automated HPLC method for the fractionation of polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans in fish tissue on a porous graphitic carbon column An automated HPLC method for the fractionation of polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans in fish tissue on a porous graphitic carbon column
The Ah (aryl-hydrocarbon) hydroxylase-receptor active polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) were fractionated by an automated high-performance liquid chromatography (HPLC) system using the Hypercarb™ porous graphitic carbon (PGC) column. This commercially available column was used to fractionate the di-, mono...
Authors
Kathy R. Echols, Robert W. Gale, Donald E. Tillitt, Ted R. Schwartz, Jerome O’Laughlin
Shell injuries and anomalies in an insular population of Florida box turtles (Terrapene carolina bauri) Shell injuries and anomalies in an insular population of Florida box turtles (Terrapene carolina bauri)
Abstract not supplied at this time
Authors
C.K. Dodd, R. Franz, S. A. Johnson
Coastal wetlands and global change: overview Coastal wetlands and global change: overview
The potential impacts of climate change are of great practical concern to those interested in coastal wetland resources. Among the areas of greatest risk in the United States are low-lying coastal habitats with easily eroded substrates which occur along the northern Gulf of Mexico and southeast Atlantic coasts. The Intergovernmental Panel on Climate Change (IPCC) and the World...
Authors
G.R. Guntenspergen, B. Vairin, V.R. Burkett
Decomposition of saltmeadow cordgrass (Spartina patens) in Louisiana coastal marshes Decomposition of saltmeadow cordgrass (Spartina patens) in Louisiana coastal marshes
In Louisiana, plant production rates and associated decomposition rates may be important in offsetting high rates of land loss and subsidence in organic marsh soils. Decomposition of Spartina patens shoot and leaf material was studied by using litter bags in mesohaline marshes in the Barataria and Terrebonne basins of coastal Louisiana. Spartina patens decomposed very slowly with an...
Authors
A.L. Foote, K.A. Reynolds