Publications
Publications from USGS science centers throughout the Southeast Region.
Filter Total Items: 10352
Genotype and elevation influence Spartina alterniflora colonization and growth in a created salt marsh Genotype and elevation influence Spartina alterniflora colonization and growth in a created salt marsh
Colonization, growth, and clonal morphology differ with genotype and are influenced by elevation. Local adaptation of Spartina alterniflora to environmental conditions may lead to dominance by different suites of genotypes in different locations within a marsh. In a constructed marsh, we found reduced colonization in terms of density of clones with increasing distance from edge in a 200...
Authors
C.E. Proffitt, S.E. Travis, K.R. Edwards
The behavior of U- and Th-series nuclides in the estuarine environment The behavior of U- and Th-series nuclides in the estuarine environment
Rivers carry the products of continental weathering, and continuously supply the oceans with a broad range of chemical constituents. This erosional signature is, however, uniquely moderated by biogeochemical processing within estuaries. Estuaries are commonly described as complex filters at land-sea margins, where significant transformations can occur due to strong physico-chemical...
Authors
P.W. Swarzenski, D. Porcelli, P.S. Andersson, J.M. Smoak
Geographic distribution: Osteopilus septentrionalis (Cuban Treefrog) Geographic distribution: Osteopilus septentrionalis (Cuban Treefrog)
No abstract available.
Authors
S. A. Johnson, J.S. Staiger, W.J. Barichivich, S. Barlow
A pre-vegetated mat technique for the restoration of submersed aquatic vegetation A pre-vegetated mat technique for the restoration of submersed aquatic vegetation
Communities of submersed aquatic vegetation (SAV) provide critical habitat for wintering waterfowl and many commercially important fish species. Submersed aquatic vegetation also helps minimize storm damage by reducing wave action and stabilizing sediments, and they improve water quality by sequestering nutrients and contaminants (Zieman and Zieman 1989).
Authors
R.G. Boustany
Turquoise water, silver palms and fluorescent green Leiocephalus Turquoise water, silver palms and fluorescent green Leiocephalus
Abstract not supplied at this time
Authors
C.K. Dodd
Water Resources Data, Alabama, Water Year 2002 Water Resources Data, Alabama, Water Year 2002
Water resources data for the 2002 water year for Alabama consist of records of stage, discharge, and water quality of streams; stages and contents of lakes and reservoirs; and water levels in wells. This report includes records on both surface and ground water in the State. Specifically, it contains: (1) discharge records for 131 streamflow-gaging stations, for 41 partial-record or...
Authors
J. L. Pearman, V.E. Stricklin, W. L. Psinakis
Water resources data, North Carolina, water year 2002. Volume 1B: Surface-water records Water resources data, North Carolina, water year 2002. Volume 1B: Surface-water records
Water-resources data for the 2002 water year for North Carolina consist of records of stage, discharge, water quality for streams; stage and contents for lakes and reservoirs; precipitation; and ground-water levels and water quality of ground water. Volume 1 contains discharge records for 211 gaging stations; stage and contents for 62 lakes and reservoirs; stage for 20 gaging stations...
Authors
B.C. Ragland, R.G. Barker, J. B. Robinson
Modeling manifest variables in longitudinal designs - A two-stage approach Modeling manifest variables in longitudinal designs - A two-stage approach
No abstract available
Authors
Bret E. Fuller, Alexander von Eye, P. K. Wood, Bobby D. Keeland
Workshop 3.5: Closing the gap between exposure and effects in monitoring studies Workshop 3.5: Closing the gap between exposure and effects in monitoring studies
A major challenge to contaminant monitoring programs is the selection of an appropriate suite of measurements for assessing exposure and effects. Early monitoring programs relied solely on residue analysis to detect the organochlorine compounds that were in use at that time. A shift to the use of more transient, less persistent chemicals required that a new set of tools be developed to...
Authors
Donald E. Tillitt, Diana M. Papoulias
Atlas of interoccurrence intervals for selected thresholds of daily precipitation in Texas Atlas of interoccurrence intervals for selected thresholds of daily precipitation in Texas
A Poisson process model is used to define the distribution of interoccurrence intervals of daily precipitation in Texas. A precipitation interoccurrence interval is the time period between two successive rainfall events. Rainfall events are defined as daily precipitation equaling or exceeding a specified depth threshold. Ten precipitation thresholds are considered: 0.05, 0.10, 0.25, 0.50...
Authors
William H. Asquith, Meghan C. Roussel
Selected hydrogeologic datasets for the Ogallala Aquifer, Texas Selected hydrogeologic datasets for the Ogallala Aquifer, Texas
No abstract available.
Authors
Natalie A. Houston, C. Amanda Garcia, Eric W. Strom