Search Results - "Peltzer, E.T."

Gas hydrate measurements at Hydrate Ridge using Raman spectroscopy by Hester, K.C., Dunk, R.M., White, S.N., Brewer, P.G., Peltzer, E.T., Sloan, E.D.

“…Oceanic gas hydrates have been measured near the seafloor for the first time using a seagoing Raman spectrometer at Hydrate Ridge, Oregon, where extensive…”
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Determination of gas bubble fractionation rates in the deep ocean by laser Raman spectroscopy by White, S.N., Brewer, P.G., Peltzer, E.T.

“…A new deep-sea laser Raman spectrometer (DORISS—Deep Ocean Raman In Situ Spectrometer) is used to observe the preferential dissolution of CO 2 into seawater…”
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Hypoxia by degrees: Establishing definitions for a changing ocean by Hofmann, A.F., Peltzer, E.T., Walz, P.M., Brewer, P.G.

“…The marked increase in occurrences of low oxygen events on continental shelves coupled with observed expansion of low oxygen regions of the ocean has drawn…”
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Analysis of marine DOC using a dry combustion method by Fry, Brian, Peltzer, E.T., Hopkinson, C.S., Nolin, A., Redmond, L.

“…As part of a continuing effort to verify and improve measurements of marine dissolved organic carbon (DOC), we combusted dried sea salts + adhered organic…”
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Carbonate chemistry of an in-situ free-ocean CO2 enrichment experiment (antFOCE) in comparison to short term variation in Antarctic coastal waters by Stark, J. S., Roden, N. P., Johnstone, G. J., Milnes, M., Black, J. G., Whiteside, S., Kirkwood, W., Newbery, K., Stark, S., van Ooijen, E., Tilbrook, B., Peltzer, E. T., Berry, K., Roberts, D.

“…Free-ocean CO 2 enrichment (FOCE) experiments have been deployed in marine ecosystems to manipulate carbonate system conditions to those predicted in future…”
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The chemical conditions on the parent body of the Murchison meteorite: some conclusions based on amino, hydroxy and dicarboxylic acids by Peltzer, E T, Bada, J L, Schlesinger, G, Miller, S L

“…Amino and hydroxy acids have been identified in the Murchison meteorite. Their presence is consistent with a synthetic pathway involving aldehydes, hydrogen…”
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A natural hydrate dissolution experiment on complex multi-component hydrates on the sea floor by Hester, K.C., Peltzer, E.T., Walz, P.M., Dunk, R.M., Sloan, E.D., Brewer, P.G.

“…Dissolution of natural hydrate cores was measured using time-lapse photography on the seafloor at Barkley Canyon (850 m depth and 4.17 °C). Two types of…”
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Raman spectroscopic measurements of synthetic gas hydrates in the ocean by Hester, K.C., White, S.N., Peltzer, E.T., Brewer, P.G., Sloan, E.D.

“…A Raman spectrometer extensively modified for deep ocean use was used to measure synthetic hydrates formed in an ocean environment. This was the first time…”
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Free-ocean CO 2 enrichment (FOCE) systems: present status and future developments by Gattuso, J.-P., Kirkwood, W., Barry, J. P., Cox, E., Gazeau, F., Hansson, L., Hendriks, I., Kline, D.I., Mahacek, P., Martin, S., McElhany, P., Peltzer, E. T., Reeve, J., Roberts, D., Saderne, V., Tait, K., Widdicombe, S., Brewer, P. G.

“…Free-ocean CO2 enrichment (FOCE) systems are designed to assess the impact of ocean acidification on biological communities in situ for extended periods of…”
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Direct measurements of multi-component hydrates on the seafloor: Pathways to growth by Hester, K.C., Dunk, R.M., Walz, P.M., Peltzer, E.T., Sloan, E.D., Brewer, P.G.

“…The phase behavior of multi-component hydrate systems formed in the ocean has been studied using a sea-going in situ Raman spectrometer. Results from a field…”
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In situ experiments of cold CO 2 release in mid-depth by Aya, I., Kojima, R., Yamane, K., Shiozaki, K., Brewer, P.G., Peltzer, E.T.

“…Carrier transported liquid CO 2 at −55 °C is denser than ambient seawater at mid-ocean depths. We have investigated whether this property effectively enables…”
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In situ experiments of cold CO2 release in mid-depth by AYA, I, KOJIMA, R, YAMANE, K, SHIOZAKI, K, BREWER, P. G, PELTZER, E. T

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Lessons Learned while Optimizing Instrument Sensitivity for Deep Ocean Raman Spectroscopy by Sherman, A., Peltzer, E.T., Kirkwood, W., Dunk, R.M., Walz, P.M., Scholfield, J., Everlove, C., Brewer, P.G.

“…Over the last several years, scientists and engineers at the Monterey Bay Aquarium Research Institute (MBARI) have successfully developed and deployed two…”
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Precision underwater positioning for in situ laser Raman spectrographic applications by Kirkwood, W.J., White, S.N., Brown, M., Henthorn, R., Jensen, S., Salamy, K.A., Peltzer, E.T., Brewer, P.

“…The Monterey Bay Aquarium Research Institute (MBARI) has developed and deployed a laser Raman spectrometer system (DORISS-Deep Ocean Raman In-Situ…”
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In Situ Ocean Acidification Environmental Observations: MBARI's Cabled Observatory Technology for Controlled Studies of Changing Ocean pH by Kirkwood, W.J., Peltzer, E.T., Brewer, P.G.

“…This poster explores modifications to the design, fabrication and implementation of the field tested prototype Free Ocean CO 2 Enrichment (FOCE) system. The…”
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Creating Controlled CO2 Perturbation Experiments on the Seafloor - Development of FOCE Techniques by Walz, P.M., Kirkwood, W.J., Peltzer, E.T., Hester, K.C., Brewer, P.G.

“…Experimental recent progress on the design and testing of systems for carrying out controlled CO 2 perturbation experiments on the sea floor with the goal of…”
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Design and operation of a pressure retaining sampler for sedimentary gases and gas hydrates by Erickson, J., Brewer, P., Friederich, G., Peltzer, E.T.

“…Marine sediments often contain appreciable quantities of dissolved gases or methane clathrate hydrates. Clathrate hydrates are a physical combination of…”
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Laser Raman spectroscopic instrumentation for in situ geochemical analyses in the deep ocean by White, S.N., Kirkwood, W., Sherman, A., Brown, M., Henthorn, R., Salamy, K.A., Peltzer, E.T., Walz, P., Brewer, P.G.

“…Engineers and scientists at the Monterey Bay Aquarium Research Institute (MBARI) have successfully developed instrumentation for performing laser Raman…”
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