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Oceanography Research at the University of Washington

Explore diverse research projects in organic and inorganic chemistry related to the carbon cycle, paleoclimate, redox processes, and hydrothermal processes. Investigate ocean mixing, ventilation, hypoxia, denitrification, and more.

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Oceanography Research at the University of Washington

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  1. CHEMICAL OCEANOGRAPHY AT THE UNIVERSITY OF WASHINTON • Widely diverse research projects & study locations • Highly Interdisciplinary • Broadly Separated into Organic & Inorganic Chemistry • Main Themes of Research: • Carbon Cycle Science • Climate & Paleoclimate • Near Shore REDOX Processes • Hydrothermal Processes • Tracers of Ocean Mixing & Ventilation

  2. Devol Lab - Marine N Cycle Alan Devol – Marine N Cycle • Major Limiting Nutrient for productivity • Climate implications • Budget is controversial Hypoxia in Puget Sound Denitrification and hypoxia off Oregon NO3- Denitrification and Anammox in Arctic sediments Denitrification and Anammox in Bering Sea sediments Denitrification Nitrification Anammox N2 NH3 Denitrification and Anammox in oxygen deficient water columns in Arabian Sea Denitrification and Anammox in oxygen deficient water columns off South America

  3. Steve Emerson:O2 Cycles in the Surface Ocean are a measure of Biological Production Rates X ocean mooring TIME DEPENDINCE Measurements of O2 and N2 at 10 meters on the above mooring give Supersaturation results below The study location near Hawaii Sea Glider SPACE DEPENDENCE Remote O2 measurements on gliders give spatial patterns indicted by supersaturation to the right, where the mooring location is in the center

  4. - - + + Û 2 CO CO H O 2HCO 2 3 2 3 pH CO32- CO2(aq) Wolf-Gladrow et al., 1999 PMEL-NOAA Richard Feeley,Chris Sabine: CO2 and ocean chemistry …..ocean acidification JoeResing: Trace metals in the ocean Dick Feely-Ocean Acidification H2CO3 H+ + HCO-3 Û Û CO2 + H2O

  5. Anitra Ingalls - Carbon cycle CO2 Land Biosphere Mixed-Layer DOC Mixed-Layer DIC Photoautotrophs Heterotrophs Particulate Organic Detritus Deep Ocean DIC Chemo- autotrophs Heterotrophs Deep Ocean DOC Sediments • Biomarkers & their 14C ages are tracers of the C Cycle

  6. Rick KeilMarine Organic Geochemistry The study of organic compounds, their fate & impacts on the global carbon cycle. • impact of redox conditions on carbon cycling • proteomics & protein preservation • link between organic C degradation & the marine N cycle • source & fate of pollutants in coastal waters In this image of the global carbon cycle, Organic Geochemists study only the orange arrows.

  7. Endeavour, Juan de Fuca Ridge Massive Production of Particulate Sulfur after an Eruption Marv Lilley: Hydrothermal Studies Rapid Changes Following an Eruption Instruments for High TempWork

  8. Jim Murray: C, N, & Fe Cycles Oxygen & H2S Nitrogen Species N2/Ar ratio N Cycle in the Black Sea

  9. Paul Quay: C Cycle Carbon Isotopes of Dissolved Inorganic Carbon in the Ocean Trace Anthropogenic CO2 Invasion Into the Ocean

  10. Jeff Richey: C Cycle • Carbon cycling in large rivers

  11. Julian Sachs - Paleoclimate Clipperton Atoll Palau Panama Basin Galapagos Kiribati • Molecular & isotopic reconstructions of tropical rainfall

  12. Mark Warner - Tracers of Ocean Mixing Tracking the invasion of man-made CFCs into the ocean to quantify mixing rates & patterns.

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