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Articles 1 - 30 of 49
Full-Text Articles in Sedimentology
Modifications Of The C37 Alkenone And Alkenoate Composition In The Water Column And Sediment: Possible Implications For Sea Surface Temperature Estimates In Paleoceanography, Joan O. Grimalt, Jürgen Rullkötter, Marie-Alexandrine Sicre, Roger Summons, John Farrington, H. Rodger Harvey, Miguel Goñi, Ken Sawada
Modifications Of The C37 Alkenone And Alkenoate Composition In The Water Column And Sediment: Possible Implications For Sea Surface Temperature Estimates In Paleoceanography, Joan O. Grimalt, Jürgen Rullkötter, Marie-Alexandrine Sicre, Roger Summons, John Farrington, H. Rodger Harvey, Miguel Goñi, Ken Sawada
OES Faculty Publications
The literature pertaining to C37 alkenone and C37 and C38 alkenoate production and diagenesis has been reviewed and evaluated for issues that might jeopardize their usefulness in paleotemperature estimation. We also examined the use of the C37 alkenones as paleoproductivity indicators, the stability of their δ13C isotopic compositions, and their incorporation into the nonsolvent extractable organic matter fraction. Biological transformation of organic matter by bacteria and zooplankton does not appear to cause significant changes to the ratio of C37:2 and C37:3 alkenones, but there are major alterations in the relative composition of alkenoates. Studies of water column processes and postdepositional …
Response Of A First-Order Stream In Maine To Short-Term In-Stream Acidification, S. A. Norton, R. Wagai, T. Navratil, J. M. Kaste, F. A. Rissberger
Response Of A First-Order Stream In Maine To Short-Term In-Stream Acidification, S. A. Norton, R. Wagai, T. Navratil, J. M. Kaste, F. A. Rissberger
Dartmouth Scholarship
An experimental short-term acidification with HCl at a first-order stream in central Maine, USA was used to study processes controlling the changes in stream chemistry and to assess the ability of stream substrate to buffer pH. The streambed exerted a strong buffering capacity against pH change by ion exchange during the 6-hour acidification. Streambed substrates had substantial cation and anion exchange capacity in the pH range of 4.1 to 6.5. The ion exchange for cations and SO42- were rapid and reversible. The speed of release of cations from stream substrates was Na1+> Ca2+ > Mg2+ > Al …
Field Trip Guide (For The Nebraska Well Drillers Association) Eastern Nebraska Geology, Scott Summerside, Duane Eversoll, Mark Kuzila, Matt Joeckel
Field Trip Guide (For The Nebraska Well Drillers Association) Eastern Nebraska Geology, Scott Summerside, Duane Eversoll, Mark Kuzila, Matt Joeckel
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Alteration Processes Of Alkenones And Related Lipids In Water Columns And Sediments, H. Rodger Harvey
Alteration Processes Of Alkenones And Related Lipids In Water Columns And Sediments, H. Rodger Harvey
OES Faculty Publications
Alkenones produced by the haptophyte algae are currently being used as indices of sea surface temperature in recent and past ocean environments, but limited information is available concerning the impact of biotic and abiotic processes on the integrity of these long chain lipids. This synthesis provides selected background information on major alteration processes that must be considered before such indices can be used with confidence. A number of processes in the water column and surface sediments have the potential to impact the structural integrity of alkenones and compromise their ability as temperature markers. Processes discussed include the alteration of alkenone …
Field Trip Guide For The Upper Republican And Middle Republican Nrd's Southwestern Nebraska Geology And Soils, Duane Eversoll, Jim Goeke, Mark Kuzila
Field Trip Guide For The Upper Republican And Middle Republican Nrd's Southwestern Nebraska Geology And Soils, Duane Eversoll, Jim Goeke, Mark Kuzila
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Upper Elkhorn Natural Resources District Cooperative Agreement, Field Summary Report 1998-1999, Susan Olafsen Lackey
Upper Elkhorn Natural Resources District Cooperative Agreement, Field Summary Report 1998-1999, Susan Olafsen Lackey
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Lower Elkhorn Natural Resources District Cooperative Agreement, Field Summary Report 1998-1999, Susan Olafsen Lackey
Lower Elkhorn Natural Resources District Cooperative Agreement, Field Summary Report 1998-1999, Susan Olafsen Lackey
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Principal Meridians Of The Federal System Of Rectangular Surveys, Bureau Of Land Management
Principal Meridians Of The Federal System Of Rectangular Surveys, Bureau Of Land Management
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Hayes County Test Hole Logs, Duane A. Eversoll
Hayes County Test Hole Logs, Duane A. Eversoll
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Multibeam Sonar Backscatter Lineaments And Anthropogenic Organic Components In Lacustrine Silty Clay, Evidence Of Shipping In Western Lake Ontario, C F Michael Lewis, L A. Mayer, Prasanta K. Mukhopadhyay, Michael A. Kruge, John P. Coakley, M D. Smith
Multibeam Sonar Backscatter Lineaments And Anthropogenic Organic Components In Lacustrine Silty Clay, Evidence Of Shipping In Western Lake Ontario, C F Michael Lewis, L A. Mayer, Prasanta K. Mukhopadhyay, Michael A. Kruge, John P. Coakley, M D. Smith
Department of Earth and Environmental Studies Faculty Scholarship and Creative Works
A multibeam sonar survey (95 kHz) covering more than 500 km2 of western Lake Ontario revealed anomalous lineaments of relatively high backscatter. The lineaments did not align with or parallel the most prominent structural zones beneath the lake as expected. Instead, the principal lineaments lay on lines between ports on opposite sides of the lake, especially between Toronto and Welland Canal, and Toronto and Niagara River mouth. As the lineaments underlie current and historical shipping routes used during the steamship era, they are interpreted as an acoustic response to shipping debris cumulated in the near-surface bottom sediment. An exploratory …
Groundwater-Level Changes In Nebraska Predevelopment To 1954, University Of Nebraska - Lincoln
Groundwater-Level Changes In Nebraska Predevelopment To 1954, University Of Nebraska - Lincoln
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Buffalo County Test Hole Logs, Vincent H. Dreeszen
Buffalo County Test Hole Logs, Vincent H. Dreeszen
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Information, Oregon Trail, Station Sites, University Of Nebraska - Lincoln
Nebraska Information, Oregon Trail, Station Sites, University Of Nebraska - Lincoln
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Frontier County Test Hole Logs, Duane A. Eversoll
Frontier County Test Hole Logs, Duane A. Eversoll
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Field Trip Guide For The Upper Republican And Middle Republican Nrd's Southwestern Nebraska Geology And Soils, D. A. Eversoll, J. W. Goeke, M. Kuzila
Field Trip Guide For The Upper Republican And Middle Republican Nrd's Southwestern Nebraska Geology And Soils, D. A. Eversoll, J. W. Goeke, M. Kuzila
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Some Post-Pliocene Buried Soils Of Central United States, James Thorp, W. M. Johnson, E. C. Reed
Some Post-Pliocene Buried Soils Of Central United States, James Thorp, W. M. Johnson, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Deep Well Guide/Grey Files 121.1, University Of Nebraska - Lincoln
Deep Well Guide/Grey Files 121.1, University Of Nebraska - Lincoln
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Jefferson County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Jefferson County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Box Butte County Test Hole Logs, Frank A. Smith
Box Butte County Test Hole Logs, Frank A. Smith
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Dissolved Solids Sampling Sites And Zones Of Concentration
Dissolved Solids Sampling Sites And Zones Of Concentration
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Validation Of Algorithms For Remote Sensing Of Aerosols Over Land From The Eos Moderate Resolution Imaging Spectroradiometer (Modis), Anatoly Gitelson
Validation Of Algorithms For Remote Sensing Of Aerosols Over Land From The Eos Moderate Resolution Imaging Spectroradiometer (Modis), Anatoly Gitelson
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Late Quaternary Landscape Evolution In The South Fork Of The Big Nemaha River Valley, Southeastern Nebraska And Northeastern Kansas, Rolfe D. Mandel, E. Arthur Bettis Iii, Richard G. Baker, Glen G. Fredlund, Jeremy S. Dillon
Late Quaternary Landscape Evolution In The South Fork Of The Big Nemaha River Valley, Southeastern Nebraska And Northeastern Kansas, Rolfe D. Mandel, E. Arthur Bettis Iii, Richard G. Baker, Glen G. Fredlund, Jeremy S. Dillon
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Arthur County Test Hole Logs, Robert F. Diffendal Jr., James W. Goeke
Arthur County Test Hole Logs, Robert F. Diffendal Jr., James W. Goeke
Conservation and Survey Division: Faculty and Staff Publications
Arthur County, Nebraska test hole logs (2000).
Perkins County Test Hole Logs, Vincent H. Dreeszen
Perkins County Test Hole Logs, Vincent H. Dreeszen
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Rock County Test Hole Logs, Susan Olafsen Lackey, Frank A. Smith, Keonard R. Borcya
Rock County Test Hole Logs, Susan Olafsen Lackey, Frank A. Smith, Keonard R. Borcya
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Pierce County Test Hole Logs, Susan Olafsen Lackey, Frank A. Smith, Raymond R. Burchett
Pierce County Test Hole Logs, Susan Olafsen Lackey, Frank A. Smith, Raymond R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
York County Test Hole Logs, Frank A. Smith
York County Test Hole Logs, Frank A. Smith
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource Notes-Academic Year 1999-2000
Resource Notes-Academic Year 1999-2000
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource News-Summer 2000
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Principal Reservoirs In Nebraska, University Of Nebraska - Lincoln
Principal Reservoirs In Nebraska, University Of Nebraska - Lincoln
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.