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Measuring and modeling exposure from environmental radiation on tidal flats /Gould, Travis J., January 2004 (has links) (PDF)
Thesis (M.S.) in Physics--University of Maine, 2004. / Includes vita. Includes bibliographical references (leaves 45-46).
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Osmotic responses of two species of sipunculids to different salinities and temperaturesBullaro, Claire Enea, 1942- January 1969 (has links)
No description available.
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Hydrodynamics and morphodynamics of shallow tidal channels and intertidal flates /Friedrichs, Carl T. January 1993 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, 1993. / "Doctoral dissertation." "February 1993." At head of title: Woods Hole Oceanographic Institution, Massachusetts Institute of Technology. Includes bibliographical references (p. 205-214).
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Measuring and Modeling Exposure from Environmental Radiation on Tidal FlatsGould, Travis J. January 2004 (has links) (PDF)
No description available.
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Variable-density groundwater flow beneath the wind-tidal flats of Padre IslandStevens, Joel Daniel, 1976- 24 June 2013 (has links)
Field evidence for density-driven free convection, a potentially important groundwater transport process, has been examined at Padre Island National Seashore to determine if this phenomenon can develop under natural environmental conditions. Hitherto, this process had not been conclusively detected or measured in field scale hydrogeology. Field methods, including nested monitoring wells and time-lapse 3-D resistivity surveys, reveal evidence of variable-density groundwater flow in the wind-tidal flats. Evaporative concentration of groundwater near the water table resulted in unstable inverted density gradients, reduced groundwater levels, and reduced hydraulic gradients. These factors allowed plumes of dense fluid to migrate downward into less dense fluid which were observed in monitoring wells and 3-D resistivity surveys. This shows that the development and flow of variable-density fluids in groundwater can be detected and monitored through field techniques. It demonstrates that the development of density inversions may overcome the dissipating forces of dispersion and diffusion to create a sufficiently large unstable gradient to induce free convection. / text
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Depositional modelling of tidal flats in Hong Kong : cases study : Ting Kok and Mai PoPang, Shun Chin 01 January 1999 (has links)
No description available.
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An experimental investigation of flaser and wavy beddingHawley, N January 1978 (has links)
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1978. / Microfiche copy available in Archives and Science. / Bibliography: leaves 104-111. / by Nathan Hawley. / Ph.D.
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Federal, state, and local government interactions in the administration of wetland protection measures in VirginiaCunningham, Laura Lynn 21 July 2010 (has links)
The objective of this thesis is to determine the effectiveness of Federal, state and local government interactions in administration of tidal wetland protection measures in Virginia. Federal protection for wetlands is authorized by the Clean Water Act [33 U.S.C.A. 1251 et seq. (1986), as amended (Supp. 1987)] and the Rivers and Harbors Act [33 U.S.C.A. 401 et seq. (1986), as amended (Supp. 1987)]. State and local authority is provided by the Virginia Wetlands Act [Va.Code Ann., sec. 62.1-13.1 et seq. (1987)]. Because of overlapping jurisdictions of the statutes, Federal, state, and local governments must interact while implementing wetland protection programs. Effective interactions between the various levels of government are important for the preservation and protection of tidal wetlands. If the three levels of government are able to efficiently administer a program that provides adequate protection of wetlands, similar programs may be applied in other areas such as non-point source pollution control.
A history of the development of the wetlands protection program is presented along with a description of applicable statutes, regulations, and permitting requirements. Included is an analysis of the implementation of the wetland statutes by case studies of program operations, a comparison of decisions on applications made by the three different government agencies, and identification of impacts and future trends of the wetland protection programs. / Master of Science
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Confronting the challenges of tidal flat conservation spatial patterns and human impacts in a Marine Protected Area in southern NSW, Australia /Winberg, Pia Carmen. January 2008 (has links)
Thesis (Ph.D.)--University of Wollongong, 2008. / Typescript. CD-ROM contains full thesis, appendix II database and abstract. Includes bibliographical references: p. 169-198.
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Real estate and refuge an environmental history of San Francisco Bay's tidal wetlands, 1846-1972 /Booker, Matthew Morse. January 2005 (has links)
Thesis (Ph. D.)--Stanford University, 2005. / Includes bibliographical references (leaves 273-309).
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