Index Catalog // ScholarsArchive@OSU

Fingered Flow in Two Dimensions 2. Predicting Finger Moisture Profile

Creator:: Selker, J., Parlange, J.-Y., and Steenhuis, T.
Abstract:: An exact integral solution for the moisture profile in growing fingers in sandy soil is derived from Richards' equation. The solution provides moisture content along a finger as a function of position and time and provides applicable results, including the calculation of the asymptotic matric potential of a growing finger...
Resource Type:: Article
Full Text:: moisture content along a finger as a function of position and time and provides applicable results

Intraplate seamounts as a window into deep earth processes

Creator:: Koppers, Anthony A. P. and Watts, Anthony B.
Abstract:: Seamounts are windows into the deep Earth that are helping to elucidate various deep Earth processes. For example, thermal and mechanical properties of oceanic lithosphere can be determined from the flexing of oceanic crust caused by the growth of seamounts on top of it. Seamount trails also are excellent recorders...
Resource Type:: Article
Full Text:: Intraplate Seamounts as a Window into Deep Earth Processes B Y A N T H O N Y A . P. K O P P E R S A N

A fluorescein tracer release experiment in the hydrothermally active crater of Vailulu'u volcano, Samoa

Creator:: Hart, Stanley R., Staudigel, H., Koppers, Anthony A. P., and Girard, A. P.
Abstract:: On 3 April 2001, a 20 kg point source of fluorescein dye was released 30 m above the bottom of the active summit caldera of Vailulu’u submarine volcano, Samoa. Vailulu’u crater is 2000 m wide and at water depths of 600–1000 m, with the bottom 200 m completely enclosed; it...
Resource Type:: Article
Full Text:: ,1 A. A. P. Koppers,2 and A. P. Girard1 Received 28 March 2002; revised 26 March 2003; accepted 17

Spatial and temporal variability of late Neogene Equatorial Pacific carbonate : ODP Leg 138

Creator:: Hagelberg, T. K., Pisias, Nicklas G., Mayer, L. A., Shackleton, N. J., and Mix, Alan C.
Abstract:: High resolution, continuous records of GRAPE wet bulk density (a carbonate proxy) from Ocean Drilling Program Leg 138 provide one the opportunity for a detailed study of eastern equatorial Pacific Ocean carbonate sedimentation during the last 6 m.y. The transect of sites drilled spans both latitude and longitude in the...
Resource Type:: Article
Full Text:: , N.G., Mayer, L.A., Janecek, T.R., Palmer Julson, A., and van Andel, T.H. (Eds.), 1995 Proceedings of

Data report : trace element, Sr isotope, and Ge/SI composition of fluid and sediments in ridge-flank low-temperature hydrothermal environments

Creator:: Hulme, Samuel M., Wheat, C. Geoffrey, Coggon, Rosalind M., and McManus, James
Abstract:: The data presented in this report demonstrate significant improvements in the ability to constrain trace element and Sr isotopic concentrations in sediments overlying ridge-flank hydrothermal systems. Improved sampling methods orchestrated by the Integrated Ocean Drilling Program (i.e., advanced piston coring and anoxic sample processing) enabled the collection of reactive pore...
Resource Type:: Article
Full Text:: 0.1 mL/min 8-HQ 8-HQ Position A P os iti on A P os iti on B P os iti on B Position B

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:: variance than G R A P E data at all comparable frequencies. Some of the reduced variance in the logs

Benthic foraminiferal stable isotope stratigraphy of Site 846 : 0-1.8 Ma

Creator:: Mix, Alan C., Le, J., and Shackleton, N. J.
Abstract:: A stable-isotope stratigraphy at Site 846 (tropical Pacific, 3°06'S, 90°49'W, 3307 m water depth), based on the benthic foraminifers Cibicides wuellerstorfi and Uvigerina peregrina, yields a high-resolution record of deep-sea δ¹⁸O and δ¹³C over the past 1.8 Ma, with an average sampling interval of 3 k.y. Variance in the δ¹⁸O...
Resource Type:: Article
Full Text:: , N.G., Mayer, L.A., Janecek, T.R., Palmer-Julson, A., and van Andel, T.H. (Eds.), 1995 Proceedings of

Late quaternary paleomagnetic secular variation and chronostratigraphy from ODP sites 1233 and 1234

Creator:: Lund, Steven P., Stoner, Joseph, and Lamy, Frank
Abstract:: During Ocean Drilling Program Leg 202, detailed shipboard paleomagnetic measurements at Sites 1233 and 1234 identified a reproducible high-resolution record of paleomagnetic secular variation (PSV) at each site. These records also contained evidence for three magnetic field excursions. This paper summarizes the complete paleomagnetic record from Site 1233 and the...
Resource Type:: Article
Full Text:: splice Hole 1233B Hole 1233C Hole 1233D Hole 1233E A B F4. Site 1233 PSV records, 90–120 mcd, p. 14

Implications of a nonlinear ⁴⁰Ar/³⁹Ar age progression along the Louisville seamount trail for models of fixed and moving hot spots

Creator:: Koppers, Anthony A. P., Duncan, Robert A., and Steinberger, Bernhard
Abstract:: The Louisville seamount trail has been recognized as one of the key examples of hot spot volcanism, comparable to the classic volcanic Hawaiian-Emperor lineaments. The published total fusion ⁴⁰Ar/³⁹Ar data of Watts et al. [1988] showed an astonishing linear age progression, firmly establishing Louisville as a fixed hot spot in...
Resource Type:: Article
Full Text:: ; Accepted 30 April 2004; Published 19 June 2004. Koppers, A. A. P., R. A. Duncan, and B. Steinberger (2004

Nonlinear ⁴⁰Ar/³⁹Ar age systematics along the Gilbert Ridge and Tokelau Seamount Trail and the timing of the Hawaii-Emperor Bend

Creator:: Koppers. Anthony A. P., Staudigel, Hubert, Morgan, Jason Phipps, and Dunca, Robert A.
Abstract:: Over the last three decades the first-order correlation in morphology and orientation of seamount trails has been called upon to support the concept of a ‘‘fixed’’ Pacific hot spot frame of reference and to explain the Hawaii-Emperor bend (HEB) by a dramatic change in Pacific plate motion. In this paper,...
Resource Type:: Article
Full Text:: Gilbert Ridge and Tokelau Seamount Trail and the timing of the Hawaii- Emperor Bend Anthony A. P. Koppers

ScholarsArchive@OSU

Fingered Flow in Two Dimensions 2. Predicting Finger Moisture Profile

Intraplate seamounts as a window into deep earth processes

A fluorescein tracer release experiment in the hydrothermally active crater of Vailulu'u volcano, Samoa

Spatial and temporal variability of late Neogene Equatorial Pacific carbonate : ODP Leg 138

Data report : trace element, Sr isotope, and Ge/SI composition of fluid and sediments in ridge-flank low-temperature hydrothermal environments

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

Benthic foraminiferal stable isotope stratigraphy of Site 846 : 0-1.8 Ma

Late quaternary paleomagnetic secular variation and chronostratigraphy from ODP sites 1233 and 1234

Implications of a nonlinear ⁴⁰Ar/³⁹Ar age progression along the Louisville seamount trail for models of fixed and moving hot spots

Nonlinear ⁴⁰Ar/³⁹Ar age systematics along the Gilbert Ridge and Tokelau Seamount Trail and the timing of the Hawaii-Emperor Bend

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