Oceanography, School of
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The School of Oceanography, a unit of the College of Ocean and Fishery Sciences at the University of Washington, explores the world and its complex ecological systems. The School seeks to understand those processes which shape our oceans by understanding a much broader set of intellectual horizons.
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Bathymetry of Eruptive Fissures in the Submarine North Arch Volcanic Field
(2022)Submarine volcanoes make up 75% of volcanic activity on Earth, but are relatively understudied due to the lack of real-time observations of eruptions and their inaccessibility, often several kilometers below sea level. ... -
Phytoplankton Community Composition Along Environmental Gradients in the North Pacific Ocean
(2022)Prochlorococcus is a cyanobacterium smaller than 1 μm that accounts for much of the primary production in nutrient-poor areas such as the North Pacific Subtropical Gyre (NPSG). In the transition from the NPSG to more ... -
Potential trace-chemical (Fe, Mn, CH4) limitation on bacterial growth in deep sea hydrothermal vent plumes along the Southern East Pacific Rise
(2022)Global cycling of elements like carbon, nitrogen, and iron has a key role in maintaining the biosphere. These and other micro- and macro-nutrients undergo important reduction-oxidation and acid-base transformations in the ... -
Marine Bacterial Growth Rates in the Presence of Microplastics
(2022)This study investigated the effects of microplastics (MPs) on the growth of marine bacteria in the open ocean to try to obtain a general picture on whether or not bacteria can be harmed by or benefit from the presence ... -
Relationship between phytoplankton abundance, available nitrate, ammonium, and temperature at Station ALOHA, and the R/V Roger Revelle Cruise RR1604.
(2022)The goal of the project was to assess the relationship between phytoplankton abundance, various available nutrient concentrations (𝑁𝑂3, 𝑁𝐻4) and temperature (C), based on data collected at station ALOHA, a time-series ... -
Investigation of lava flow morphology using a sub-bottom profiler in the North Arch Volcanic Field
(2022)Located 100 km north of Oahu and over four kilometers of water, the North Arch Volcanic Field covers an area of 25,000 km2 and includes the longest known underwater lava flow. There have been a few previous studies of ... -
Evaluation of Machine Learning Techniques for Estimating Biogeochemical Properties on Seaglider Tracks in the Southern Ocean
(2022)The Southern Ocean is the largest oceanic carbon and heat sink on the planet with complex dynamics at a variety of scales. Reliable, accurate, and high resolution estimates of nitrate and carbonate system parameters ... -
Resolving the Thickness of Submarine Lava Flows in the North Arch Volcanic Field Using Magnetometry
(2022)The North Arch Volcanic Field is a part of the greater Hawai’ian volcanic arch north of O’ahu. Only discovered in the 1960s; relatively little is known about it and the arch volcanism that formed it. One general property ... -
Marine Bacteria Colonization Rates on Microplastics in the North Pacific Subtropical Gyre
(2022)Plastic pollution is a growing concern in the microecology of the oceans. Studying bacteria colonization rates on plastic provides one way of understanding of how toxic debris can move through the food chain through ... -
Impacts of pH on NSAID adsorption to microplastics in the North Pacific Gyre
(2022)The adsorption of non-steroidal anti-inflammatory drugs (NSAIDs) to microplastics, and subsequent ingestion by marine organisms, has many detrimental impacts on the marine organisms, including behavioral changes, reproduction ... -
Thought-Provoking and Interactive Visual Outreach: a non-traditional approach to science communication through gaming
(2022)Traditional scientific writing and education can be hard to engage with and inaccessible. This project evaluates whether a video game about determining the age of hydrothermal vents is more engaging and informative as ... -
Detecting seafloor lava flows with seafloor roughness
(2022)Much of the seafloor is currently unexplored. As such, increasing the number of options in the “tool box” is vital for studying the oceans. This study uses the North Arch Volcanic Field, an area of seafloor north of ... -
Observed changes in oxygen and nutrient concentrations at 50 m to 500 m depth in the eastern North Pacific Subtropical Gyre
(2022)As the ocean increases in temperature due to climate change, it is expected to also 2 experience shifts in its chemistry due to increased stratification and decreased solubility. 3 Changes in the subsurface ocean, like ... -
Dissolved Pollutants in the Great Pacific Garbage Patch, December 2021
(2022)The intent of this study was to identify and quantify dissolved chemical pollutants in the Northeastern Pacific Ocean. Samples were taken along a transect from Hawaii to San Diego that passed through the southern edge ... -
Dissolved Inorganic Carbon and δ13C of the Hawaiian Ocean Time Series from 1990-2021
(2022)As humans continue to produce large amounts of CO2 via the burning of fossil fuels, the concentrations and isotopic signature of the ocean’s dissolved inorganic carbon (DIC) is changing. Utilization of DIC and its δ13C as ... -
Zooplankton fecal pellets as a vector transporting microplastics and associated toxins to the deep ocean
(2022)Toxins within the fecal pellets of zooplankton were measured along a transect from Hawaii to San Diego, passing through the southern edge of the Great Pacific Garbage Patch. Zooplankton were collected via a vertical net ... -
Limiting Nutrient Concentrations and Nutrient Assimilation and Storage Gene Expression across the Transition Zone Chlorophyll Front in the North Pacific Ocean
(2022)This study investigates limiting nutrient-relevant cyanobacterial gene expression across the Transition Zone Chlorophyll Front (TZCF) in the north Pacific Ocean. An increase in available nutrients due to upwelling in the ... -
Analysis of Dinoflagellate Species Distribution in the Puget Sound and their Environmental Conditions from 2015-2022
(2022)Marine dinoflagellates live in conditions that if changed, can create dangerous environments promoting harmful algae blooms (HABs). This study investigates the drivers of species distribution and bloom peaks using data ... -
Is the tidal triggering of earthquakes at Axial Seamount predictive of eruptions?
(2022)Scientists have long hypothesized that tidal forces can trigger earthquakes due to the change in stress along a fault. This phenomenon is called tidal triggering of earthquakes. My study investigated the tidal triggering ... -
Size Matters: The Variables Affecting Microplastic Ingestion Rates in Copepods
(2022)Copepods, the most abundant zooplankton, are known to consume microplastics. My study aims to see what factors, copepods size; bead size; location of captured copepod, played the biggest role in their ingestion rate. On ...
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