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- Marine geology; geophysics; sedimentology; submersibles; earthquakes; continental slope; geophysical surveys; side-scan sonar; pleistocene; slope failures; bedforms; sands; gravels; mudstones; erosion; seafloor topography; Grand Banks; Grand Banks Earthquake; Quaternary (1)
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Articles 1 - 19 of 19
Full-Text Articles in Earth Sciences
Calibration Of A General Optical Equation For Remote Sensing Of Suspended Sediments In A Moderately Turbid Estuary, Richard P. Stumpf, Jonathan Pennock
Calibration Of A General Optical Equation For Remote Sensing Of Suspended Sediments In A Moderately Turbid Estuary, Richard P. Stumpf, Jonathan Pennock
School of Marine Science and Ocean Engineering
Abstract
A general algorithm for determining suspended sediment concentrations in the surface waters of estuaries has been developed for use with satellite data. The algorithm uses a three-parameter general optical equation to relate suspended sediment concentrations to water reflectances that have been corrected for sun angle effects, atmospheric path radiance, and tidal excursion. Using data collected by the advanced very high resolution radiometer on five different dates, reflectances were determined using two different methods, one providing maximum correction for haze and the other providing minimum sensitivity to pigments. For both methods, in situ and remotely sensed samples from Delaware Bay …
Groundwater Levels In Nebraska, 1988, Michael J. Ellis, Gregory V. Steele, Perry B. Wigley
Groundwater Levels In Nebraska, 1988, Michael J. Ellis, Gregory V. Steele, Perry B. Wigley
Conservation and Survey Division
No abstract provided.
A Revision Of The North American Papillose Allocreadiidae (Digenea) With Independent Cladistic Analyses Of Larval And Adult Forms, Janine N. Caira
A Revision Of The North American Papillose Allocreadiidae (Digenea) With Independent Cladistic Analyses Of Larval And Adult Forms, Janine N. Caira
Bulletin of the University of Nebraska State Museum
Adult specimens of all 19 North American species of papillose allocreadiids were examined. A description and figure is given for the adult of each species; details of the cirrus sacs are presented for most spesies for the first time. Descriptions were emended where necessary and judgments were made on synonymies. Scanning electron micrographs of the oral sucker of 10 species are presented as is a new key to the 19 species. A cladistic analysis was performed on the group based on adult characters. The analysis indicated that the group is monophyletic on the basis of the ventral papillae associated with …
Late-Holocene Earthflows Of The Willard Playa/Dune Complex, Estancia Valley, New Mexico: A Geomorphic Response To Climatic Change, Kurt A. Goebel
Late-Holocene Earthflows Of The Willard Playa/Dune Complex, Estancia Valley, New Mexico: A Geomorphic Response To Climatic Change, Kurt A. Goebel
UNLV Theses, Dissertations, Professional Papers, and Capstones
Late-middle to late Holocene dune sediment that overlies Pleistocene lacustrine sediment marks the onset of xeric conditions in the Estancia Valley, central New Mexico. Incised into the underlying lacustrine sediments, the modern deflation basins are enclosed by parabolic dunes composed of clay and gypsum derived from the underlying sediment.
Located on the in-facing dune slopes of the deflation basins, the most striking geomorphic feature of this dune complex are numerous elongated scars. These relict scars document a geomorphically distinct earthflow event. Arroyos that cut into flow scars expose eolian earthflow sediment overlying lacustrine deposits. In the zone of depletion, erosional-flow …
Geology And Stratigraphy Of The Cainozqic Sedimentary Rocks In The Kale-Kurbalik Area, Deni̇zli̇, Southwestern Turkey, H.Yavuz Hakyemez
Geology And Stratigraphy Of The Cainozqic Sedimentary Rocks In The Kale-Kurbalik Area, Deni̇zli̇, Southwestern Turkey, H.Yavuz Hakyemez
Bulletin of the Mineral Research and Exploration
No abstract provided.
Pisces Iv Submersible Observations In The Epicentral Region Of The 1929 Grand Banks Earthquake, John E. Hughes Clarke, Larry A. Mayer, David J.W. Piper, Alexander N. Shor
Pisces Iv Submersible Observations In The Epicentral Region Of The 1929 Grand Banks Earthquake, John E. Hughes Clarke, Larry A. Mayer, David J.W. Piper, Alexander N. Shor
Affiliate Scholarship
The PISCES IVsubmersible was used to investigate the upper continental slope around 44 ON, 56" W, near the epicentre of the 1929 Grand Banks earthquake. Four dives in water depths of 800-2000 m were undertaken to observe speci3c features identijied with the SeaMARC I sidescan system in 1983. Two dives were made in the head of Eastern Valley where pebbly mudstones ofprobable Pleistocene age were recognized outcropping on the seafloor. Constructional features of cobbles and boulders, derived by exhumation and reworking of the pebbly mudstone, were also observed. These include gravel/sand bedforms (transverse waves) on the valley floor. Slope failure …
Mineral Yearbook Of Nebraska-1989, Karl Starch, Raymond R. Burchett
Mineral Yearbook Of Nebraska-1989, Karl Starch, Raymond R. Burchett
Conservation and Survey Division
No abstract provided.
Johnson County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Johnson County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Resource Notes-Academic Year 1988-89
Resource Notes-Academic Year 1988-89
Conservation and Survey Division
No abstract provided.
Nebraska Mineral Operations Review, 1988, Raymond R. Burchett, Duane A. Eversoll
Nebraska Mineral Operations Review, 1988, Raymond R. Burchett, Duane A. Eversoll
Conservation and Survey Division
No abstract provided.
Late Pennsylvanian And Early Permian Cyclic Sedimentation, Paleogeography, Paleoecology, And Biostratigraphy In Kansas And Nebraska, Roger K. Pabian, Robert F. Diffendal, Jr. Jr.
Late Pennsylvanian And Early Permian Cyclic Sedimentation, Paleogeography, Paleoecology, And Biostratigraphy In Kansas And Nebraska, Roger K. Pabian, Robert F. Diffendal, Jr. Jr.
Robert F. Diffendal, Jr., Publications
Overview of Upper Pennsylvanian Cyclic Sedimentation in Kansas and Nebraska, Philip H. Heckel, Department of Geology, University of Iowa, Iowa City, Iowa
With contributions from:
Christopher G. Maples and W. Lynn Watney, Kansas Geological Survey, Lawrence, Kansas
John Harris, Shell Western Exploration and Production, Inc., Houston, Texas
David Ball, Champlin Petroleum Company, Houston, Texas
Philip H. Heckel, University of Iowa, Iowa City, Iowa
R. R. West, V. Voegeli, S. Roth, K. Leonard, H. R. Feldman, and C. Cunningham, Kansas State University, Manhattan, Kansas
Royal H. Mapes, Ohio University, Athens, Ohio
Hans-Peter Schultze, University of Kansas, Lawrence, Kansas
R. Matt Joeckel, …
Sediment Dynamics On The Shore Slopes Of The Puget Island Reach Of The Columbia River, Oregon And Washington, Timothy Abbe
Sediment Dynamics On The Shore Slopes Of The Puget Island Reach Of The Columbia River, Oregon And Washington, Timothy Abbe
Dissertations and Theses
Water waves generated by wind and ships; ebb tidal currents; water level fluctuations; and dredging impact sediment transport in shallow water of the lower Columbia River. Observations were made over a one-year period after sand dredged from the navigation channel was placed at three study sites in the Puget Island region, 46°15'N 123°25'W, Oregon and Washington. Sediment composition is fine to medium grained, low density dacitic volcanics with small percentages of pumice, heavy minerals, and basalt.
Nebraska Natural Resources District Boundaries, Nebraska Department Of Natural Resources
Nebraska Natural Resources District Boundaries, Nebraska Department Of Natural Resources
Conservation and Survey Division
No abstract provided.
Gage County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Gage County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Pawnee County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Pawnee County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Nemaha County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Nemaha County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Otoe County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Otoe County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Nebraska Natural Resources District Boundaries, Nebraska Natural Resources Commission
Nebraska Natural Resources District Boundaries, Nebraska Natural Resources Commission
Conservation and Survey Division
No abstract provided.
Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1987)/Registered Irrigation Wells In Nebraska (As Of January 1, 1988), Conservation Survey Division
Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1987)/Registered Irrigation Wells In Nebraska (As Of January 1, 1988), Conservation Survey Division
Conservation and Survey Division
No abstract provided.