Index Catalog // ScholarsArchive@OSU

A study of whale watching visitor's cognitive constructs in relation to a whale watching outreach program : An assessment of past experience, value orientations, awareness of actions, and conceptual knowledge structure

Creator:: Christensen, Alicia H.
Abstract:: Given the current state of our oceans, the Pew Oceans Commission (1993) has strongly recommended that increased efforts be made towards ocean literacy. Informal education and outreach programs like the Whale Watching Spoken Here program are important contributors to life-long learning. However, there is little research looking at how these...
Resource Type:: Masters Thesis
Full Text:: : Shawn Rowe Marta Torres Given the current state of our oceans, the Pew Oceans Commission

Deconvolving the sedimentary phases of barium using flow-through time-resolved analysis

Creator:: Hsieh, Chih-Ting
Abstract:: The distribution of barite (BaSO₄) in marine sediments has long been studied as a proxy for paleoproductivity. While pure barite is known to be a stable mineral in oxic sediments, it is also known that variations in the Sr/Ba ratio influence its solubility and liability during early diagenesis. To extract...
Resource Type:: Masters Thesis
Full Text:: : __________________________________________________ Marta E. Torres and Gary P. Klinkhammer The distribution of barite

Reconstructing salinity conditions in Nares Strait (Canadian Archipelago) from stable isotope profiles in bivalve shells

Creator:: Zima, Daniela
Abstract:: Nares Strait is one of three main passages of the Canadian Archipelago that channels freshwater from the Arctic Ocean to the North Atlantic. There are very few observations regarding the role of this region on the present day Arctic freshwater budget, and even less regarding the changes in freshwater fluxes...
Resource Type:: Masters Thesis
Full Text:: :________________________________________________________ Marta E. Torres, Kelly K. Falkner Nares Strait is one of three main passages of the

Contribution of cold seep barite to the barium geochemical budget of a marginal basin

Creator:: McQuay, Erica L.
Abstract:: Large barite (BaSO4) structures mark cold seeps in the southern San Clemente Basin. Barium flux to San Clemente sediments is two to three times greater than fluxes measured in surrounding California Borderland basins. Analyses of sediment trap material, water column samples, sediments and pore water indicate that expected bariumbearing mineral...
Resource Type:: Masters Thesis
Full Text:: Abstract approved:________________________________________________________ Robert W. Collier, Marta E

Data report : composition of clay minerals from hemiplegic sediments at Hydrate Ridge, Cascadia subduction zone

Creator:: Underwood, Michael and Torres, Marta E.
Abstract:: This report describes the results of semiquantitative analysis of clay mineral composition by X-ray diffraction. The samples consist of hemipelagic mud and mudstone cored from Hydrate Ridge during Leg 204 of the Ocean Drilling Program. We analyzed oriented aggregates of the clay-sized fractions (<2 μm) to estimate relative percentages of...
Resource Type:: Article
Full Text:: Underwood and Marta Torres ABSTRACT INTRODUCTION X-RAY DIFFRACTION METHODS Sample Preparation X-Ray

Teacher perspectives in ocean sciences education : a look at the SMILE-CIOSS partnership

Creator:: Rice, Bronwen
Abstract:: The Cooperative Institute for Oceanographic Satellite Studies (CIOSS) partners with The Science and Math Investigative Learning Experiences (SMILE) Program to bring ocean sciences and satellite oceanography to high school students and teachers around the state of Oregon. This study was conducted as a formative program assessment during the third year...
Resource Type:: Research Paper
Full Text:: greater depth. Emerging Themes 10 F ig u re 2 : T h em e M ap 11 Perspective Spectrum

Ocean Science in The SMILE Program : Combining Ocean Literacy and Concept Mapping as an Aid for Curriculum Development

Creator:: Dover, Laura H.
Abstract:: This study reports on the creation and testing of a model concept-mapping process that will aid the development and documentation of ocean science educational content of The Science and Math Investigative Learning Experiences (SMILE) Program, a pre-college science and math enrichment program based at Oregon State University. The project uses...
Resource Type:: Capstone Project
Full Text:: & climate S M IL E Energy & mineral Resources Ocean arts & cultures Biogeochemical

Data report : isotopic characterization of dissolved inorganic carbon in pore waters, leg 204

Creator:: Torres, Marta E. and Rugh, W. D.
Abstract:: Isotopic characterization of carbon in the dissolved inorganic carbon (DIC) pool is fundamental for a wide array of scientific studies directly related to gas hydrate research. In order to generate integrated and internally consistent data of δ¹³C of DIC in pore waters from Hydrate Ridge, we used the modern continuous...
Resource Type:: Article
Full Text:: , J., Suess, E., and Torres, M., 1998. Authigenic carbonates from the Cascadia subduction zone and

Mapping, geochemical sampling and submersible observations of recent activity on the San Clemente fault zone : 27 March to 4 April 2000

Creator:: McManus, James, Goldfinger, Chris, and Torres, Marta E.
Abstract:: The investigation described in this project will test the hypothesis that fluxes of carbon, barium, manganese, iron and uranium associated with fluid seepage at the San Clemente fracture zone significantly affect the geochemical budgets for these elements, and ultimately result in anomalously high benthic fluxes throughout the San Clemente basin.
Resource Type:: Technical Report
Full Text:: observations of recent activity on the San Clemente fault zone 27 March to 4 April 2000. Marta E. Torres

Leg 204 synthesis : gas hydrate distribution and dynamics in the Central Cascadia accretionary complex

Creator:: Tréhu, Anne Martine, Torres, Marta E., Bohrmann, G., and Colwell, Frederick
Abstract:: Ocean Drilling Program (ODP) Leg 204 to Hydrate Ridge, located on the continental slope offshore Oregon (USA), was the first drilling expedition dedicated to understanding gas hydrate processes in accretionary complexes and provided a testbed for a number of different techniques for estimating the gas hydrate content of sediments. It...
Resource Type:: Article
Full Text:: DYNAMICS IN THE CENTRAL CASCADIA ACCRETIONARY COMPLEX Tréhu, A.M., Bohrmann, G., Torres, M.E., and

ScholarsArchive@OSU

A study of whale watching visitor's cognitive constructs in relation to a whale watching outreach program : An assessment of past experience, value orientations, awareness of actions, and conceptual knowledge structure

Deconvolving the sedimentary phases of barium using flow-through time-resolved analysis

Reconstructing salinity conditions in Nares Strait (Canadian Archipelago) from stable isotope profiles in bivalve shells

Contribution of cold seep barite to the barium geochemical budget of a marginal basin

Data report : composition of clay minerals from hemiplegic sediments at Hydrate Ridge, Cascadia subduction zone

Teacher perspectives in ocean sciences education : a look at the SMILE-CIOSS partnership

Ocean Science in The SMILE Program : Combining Ocean Literacy and Concept Mapping as an Aid for Curriculum Development

Data report : isotopic characterization of dissolved inorganic carbon in pore waters, leg 204

Mapping, geochemical sampling and submersible observations of recent activity on the San Clemente fault zone : 27 March to 4 April 2000

Leg 204 synthesis : gas hydrate distribution and dynamics in the Central Cascadia accretionary complex

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