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Sediment depths determined by comparison of grape and logging denisty data during Leg 138

Creator:: Mix, Alan C., Harris, Sara E., Hagelberg, T. K., Pisias, Nicklas G., and Shackleton, N. J.
Abstract:: Establishing true depths of recovered sediments is critical to determining sedimentation rates for high-resolution paleoclimatic studies. We have corrected the composite depth scale, which accounts for the entire continuous sedimentary sequence, so that sediment depths are consistent with logging depths, or "true" depths. We accomplished this by taking advantage of...
Resource Type:: Article
Full Text:: " 5 B H \ t - Bandwidth 80% Cl Vs V "V'\ V / 00 " 0.80 level 0.04 I M •. v: 0.08 A Λ ^ j

The Batchelor spectrum and dissipation in the upper ocean

Creator:: Dillon, Thomas M. and Caldwell, Douglas R.
Abstract:: Observations of vertical temperature microstructure at ocean station P during the mixed layer experiment (Mile) indicate that the shape of the high-frequency temperature gradient spectrum depends on the relative strengths of turbulence and stratification. For low Cox number ((dT/dz)²)/ (dT/dz)²• the linear range of the Batchelor spectrum is not well...
Resource Type:: Article
Full Text:: and Dissipation in the Upper Ocean THOMAS M. DILLON AND DOUGLAS R. CALDWELL School of Oceanography

Seismic sequence stratigraphy and tectonic evolution of Southern Hydrate Ridge

Creator:: Chevallier, Johanna, Tréhu, Anne Martine, Bangs, Nathan Lawrence Bailey, Johnson, Joel E., and Meyer, H. Jack
Abstract:: This paper presents a seismic sequence and structural analysis of a high-resolution three-dimensional seismic reflection survey that was acquired in June 2000 in preparation for Ocean Drilling Program (ODP) Leg 204. The seismic data were correlated with coring and logging results from nine sites drilled in 2002 during Leg 204....
Resource Type:: Article
Full Text:: 1251 ea rly P le is to ce ne ea rly P le is t. ea rly P le is t. la te P lio . . m

Geochemical evidence for gas hydrate in sediment near the Chile Triple Juction

Creator:: Froelich, Philip N., Kvenvolden, Keith A., Torres, Marta E., Waseda, Amane, Didyk, Borys M., and Lorenson, Thomas D.
Abstract:: Coring at ODP Sites 859, 860, and 861 near the Chile Triple Junction failed to recover anticipated gas hydrate that was inferred to be present from two lines of geophysical evidence: pre-cruise observation of a weak to strong bottom simulating reflector (BSR) marking the predicted base of the gas-hydrate stability...
Resource Type:: Article
Full Text:: TRIPLE JUNCTION1 Philip N. Froelich,2 Keith A. Kvenvolden,3 Marta E. Torres,4 Amane Waseda,5 Borys M

Site surveys

Creator:: Mayer, Larry A., Pisias, Nicklas G., Mix, Alan C., Lyle, Mitchell, Arason, Pordur, and Mosher, D.
Abstract:: To facilitate the selection of drill sites for Leg 138, a site survey program was conducted on board the Scripps Institution of Oceanography's research vessel Thomas Washington (Cruise Venture 1). During this cruise, which departed San Diego on 30 August 1989 and arrived in Manzanillo, Mexico, on 4 October 1989,...
Resource Type:: Article
Full Text:: ., Pisias, N., Janecek, T., et al., 1992 Proceedings of the Ocean Drilling Program, Initial Reports, Vol

Refinement of a high-resolution, continuous sedimentary section for studying Equatorial Pacific Ocean paleoceanography, Leg 138

Creator:: Hagelberg, T. K., Pisias, Nicklas G., Shackleton, N. J., Mix, Alan C., and Harris, Sara E.
Abstract:: Ocean Drilling Program (ODP) Leg 138 was designed to study the late Neogene paleoceanography of the equatorial Pacific Ocean at time scales of thousands to millions of years. Crucial to this objective was the acquisition of continuous, high-resolution sedimentary records. It is well known that between successive advanced piston corer...
Resource Type:: Article
Full Text:: stretching or squeezing within a 9-m core due to physical disturbance during coring or by natural variations

Internal Tides and Turbulence along the 3000-m Isobath of the Hawaiian Ridge

Creator:: Lee, Craig M., Sanford, Thomas B., Kunze, Eric, Nash, Jonathan D., Merrifield, Mark A., and Holloway, Peter E.
Abstract:: Full-depth velocity and density profiles taken along the 3000-m isobath characterize the semidiurnal internal tide and bottom-intensified turbulence along the Hawaiian Ridge. Observations reveal baroclinic energy fluxes of 21 ± 5 kW m⁻¹ radiating from French Frigate Shoals, 17 ± 2.5 kW m⁻¹ from Kauai Channel west of Oahu, and...
Resource Type:: Article
Full Text:: Hawaiian Ridge CRAIG M. LEE,* ERIC KUNZE,� THOMAS B. SANFORD,* JONATHAN D. NASH,# MARK A. MERRIFIELD

Paleoceanography of the Eastern Equatorial Pacific during the Neogene : synthesis of Leg 138 drilling results

Creator:: Pisias, Nicklas G., Mayer, Larry A., and Mix, Alan C.
Abstract:: The primary objective of Leg 138 was to provide detailed information about the ocean's response to global climate change during the Neogene. Two north south transects were drilled (95° and 110°W) within the region of equatorial divergence driven upwelling (and thus high accumulation rates and resolution) and spanning the major...
Resource Type:: Article
Full Text:: comes from the lower layers of the EUC. These waters have T S properties of 11° to 14°C and 34.8‰> to

Detailed paleomagnetic and rock magnetic variability within three high-resolution study intervals from site 1233

Creator:: Lund, Steven P., Stoner, Joseph, Channell, James, and Lamy, Frank
Abstract:: We carried out a detailed rock magnetic and paleomagnetic study of deep-sea sediments from selected intervals of Site 1233 in order to assess whether they contain reproducible evidence for submillennial-scale environmental, climatic, and geomagnetic field variability. Three 1.5-m sediment intervals from oxygen isotope Stages 1, 2, and 3 were sampled...
Resource Type:: Article
Full Text:: , p. 16. 1.5 2.0 2.5 3.0 3.5 Depth (mcd) -30 -50 -70 -50 In cl in at io n (2 5 m T

Leg 202 synthesis: Southeast Pacific paleoceangraphy

Creator:: Tiedemann, Ralf and Mix, Alan C.
Abstract:: Ocean Drilling Program (ODP) Leg 202 has opened a new window into understanding late Paleogene and Neogene global environmental change by providing high-quality sediment sequences from a previously unsampled region, the eastern South Pacific. Eleven sites (1232– 1242) that record variations on timescales ranging from decades to tens of millions...
Resource Type:: Article
Full Text:: investigated on transects of both depth (489–4072 m) and latitude (41°S–8°N). Building on the shipboard results

ScholarsArchive@OSU

Sediment depths determined by comparison of grape and logging denisty data during Leg 138

The Batchelor spectrum and dissipation in the upper ocean

Seismic sequence stratigraphy and tectonic evolution of Southern Hydrate Ridge

Geochemical evidence for gas hydrate in sediment near the Chile Triple Juction

Site surveys

Refinement of a high-resolution, continuous sedimentary section for studying Equatorial Pacific Ocean paleoceanography, Leg 138

Internal Tides and Turbulence along the 3000-m Isobath of the Hawaiian Ridge

Paleoceanography of the Eastern Equatorial Pacific during the Neogene : synthesis of Leg 138 drilling results

Detailed paleomagnetic and rock magnetic variability within three high-resolution study intervals from site 1233

Leg 202 synthesis: Southeast Pacific paleoceangraphy

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