Now showing items 687-706 of 5530

    • CHART : a computer plotting package for the display of position-dependent marine data 

      Martin, Ann (Woods Hole Oceanographic Institution, 1986-12)
      Computer program CHART produces plots of navigation tracks and data points in a choice of 14 projections where navigation coordinates are defined. It was written specifically for the plotting and annotation of geological ...
    • Chemical characterization of dissolved organic matter (DOM) in seawater : structure, cycling, and the role of biology 

      Quan, Tracy M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2005-02)
      The goal of this thesis is to investigate three different areas relating to the characterization of dissolved organic matter (DOM): further determination of the chemical compounds present in high molecular weight DOM ...
    • Chemical composition and potential environmental impacts of water-soluble polar crude oil components inferred from ESI FT-ICR MS 

      Liu, Yina; Kujawinski, Elizabeth B. (Public Library of Science, 2015-09-01)
      Polar petroleum components enter marine environments through oil spills and natural seepages each year. Lately, they are receiving increased attention due to their potential toxicity to marine organisms and persistence in ...
    • Chemical composition of the graphitic black carbon fraction in riverine and marine sediments at sub-micron scales using carbon X-ray spectromicroscopy 

      Haberstroh, Paul R.; Brandes, Jay A.; Gelinas, Yves; Dickens, Angela F.; Wirick, Sue; Cody, George D. (2005-12-01)
      The chemical composition of the graphitic black carbon (GBC) fraction of marine organic matter was explored in several marine and freshwater sedimentary environments along the west coast of North America and the Pacific ...
    • Chemical data quantify Deepwater Horizon hydrocarbon flow rate and environmental distribution 

      Ryerson, Thomas B.; Camilli, Richard; Kessler, John D.; Kujawinski, Elizabeth B.; Reddy, Christopher M.; Valentine, David L.; Atlas, Elliot; Blake, Donald R.; de Gouw, Joost; Meinardi, Simone; Parrish, David D.; Peischl, Jeff; Seewald, Jeffrey S.; Warneke, Carsten (2011-11-11)
      Detailed airborne, surface, and subsurface chemical measurements, primarily obtained in May and June 2010, are used to quantify initial hydrocarbon compositions along different transport pathways – in deep subsurface plumes, ...
    • Chemical impacts in fish and shellfish from Cape Cod and Massachusetts Bays 

      Moore, Michael J.; Smolowitz, Roxanna A.; Leavitt, Dale F.; Stegeman, John J. (Barnstable County Department of Health and Environment, 1998)
      Mununichogs, soft shell clams, and blue mussels from some or all of 10 sites in Boston Harbor and Massachusetts and Cape Cod Bays were examined histologically: a suite of pathological changes previously known to be ...
    • Chemical, isotopic, and temporal variations during crustal differentiation : insights from the Dariv Igneous Complex, Western Mongolia 

      Bucholz, Claire E. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2016-02)
      Fractional crystallization of mantle-derived basaltic melts is a critical process in producing a compositionally stratified continental crust characterized by a silicic upper crust and a mafic lower crust. This thesis ...
    • Chemistry of hot springs along the Eastern Lau Spreading Center 

      Mottl, Michael J.; Seewald, Jeffrey S.; Wheat, C. Geoffrey; Tivey, Margaret K.; Michael, Peter J.; Proskurowski, Giora; McCollom, Thomas M.; Reeves, Eoghan P.; Sharkey, Jessica; You, Chen-Feng; Chan, Lui-Heung; Pichler, Thomas (2010-12-08)
      The Eastern Lau Spreading Center (ELSC) is the southernmost part of the back-arc spreading axis in the Lau Basin, west of the Tonga trench and the active Tofua volcanic arc. Over its 397-km length it exhibits large and ...
    • The chemistry, biology, and vertical flux of oceanic particulate matter 

      Bishop, James K. B. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1977-01)
      Particulate matter samples, split into <l μm, 1-53 μm, and >53 μm size fractions have been obtained using a Large Volume in situ Filtration System (LVFS) during the SOUTHLANT expedition, R/V CHAIN 115. Profiles to 400 ...
    • Chemistry, temperature, and faunal distributions at diffuse-flow hydrothermal vents : comparison of two geologically distinct ridge systems 

      Luther, George W.; Gartman, Amy; Yucel, Mustafa; Madison, Andrew S.; Moore, Tommy S.; Nees, Heather A.; Nuzzio, Donald B.; Sen, Arunima; Lutz, Richard A.; Shank, Timothy M.; Fisher, Charles R. (The Oceanography Society, 2012-03)
      Diffuse-flow, low-temperature areas near hydrothermal vents support life via chemosynthesis: hydrogen sulfide (and other reduced chemical compounds) emanating from the subsurface is oxidized with bottom-water oxygen through ...
    • Chemoautotrophy at deep-sea vents : past, present, and future 

      Sievert, Stefan M.; Vetriani, Costantino (The Oceanography Society, 2012-03)
      Chemolithoautotrophic microorganisms are at the nexus of hydrothermal systems by effectively transferring the energy from the geothermal source to the higher trophic levels. While the validity of this conceptual framework ...
    • Chemosynthetic communities in the deep sea : ecological studies 

      Van Dover, Cindy L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1989-05)
      Deep-sea benthic communities dependent on chemosynthetic primary production are associated with areas of active venting of chemically-modified seawater. Patterns in the distribution of species that occur at hydrothermal ...
    • Chlorophyll diagenesis in the water column and sediments of the Black Sea 

      King, Linda L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1992-11)
      This thesis examines the degradation pathways of chlorophyll in the Black Sea water column and sediments. Measurements are made of total chlorophyll in sediment traps from two locations and depths in the water column, ...
    • The choreography of belonging : toothed whale spatial cohesion and acoustic communication 

      Macfarlane, Nicholas B. W. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2016-02)
      To maintain the benefits of group membership, social animals need mechanisms to stay together and reunite if separated. This thesis explores the acoustic signals that dolphins use to overcome this challenge and mediate ...
    • Chromium isotope fractionation during subduction-related metamorphism, black shale weathering, and hydrothermal alteration 

      Wang, Xiangli; Planavsky, Noah J.; Reinhard, Christopher T.; Zou, Huijuan; Ague, Jay J.; Wu, Yuanbao; Gill, Benjamin C.; Schwarzenbach, Esther M.; Peucker-Ehrenbrink, Bernhard (2016-01)
      Chromium (Cr) isotopes are an emerging proxy for redox processes at Earth’s surface. However, many geological reservoirs and isotope fractionation processes are still not well understood. The purpose of this contribution ...
    • Ciliates along oxyclines of permanently stratified marine water columns 

      Edgcomb, Virginia P.; Pachiadaki, Maria G. (2014-02)
      Studies of microbial communities in areas of the world where permanent marine water column oxyclines exist suggest they are ‘hotspots’ of microbial activity, and that these water features and the anoxic waters below them ...
    • Circadian clocks in the cnidaria : environmental entrainment, molecular regulation, and organismal outputs 

      Reitzel, Adam M.; Tarrant, Ann M.; Levy, Oren (2013-03-26)
      The circadian clock is a molecular network that translates predictable environmental signals, such as light levels, into organismal responses, including behavior and physiology. Regular oscillations of the molecular ...
    • Circulation and convection in the Irminger Sea 

      Våge, Kjetil (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2010-02)
      Aspects of the circulation and convection in the Irminger Sea are investigated using a variety of in-situ, satellite, and atmospheric reanalysis products. Westerly Greenland tip jet events are intense, small-scale wind ...
    • Circulation and exchange in choked marginal seas 

      Pratt, Lawrence J.; Spall, Michael A. (American Meteorological Society, 2008-12)
      A theory for the exchange between a rotating, buoyancy-forced marginal sea and an ocean is developed and tested numerically. Cooling over the marginal sea leads to sinking and sets up a two-layer exchange flow, with a warm ...
    • Circulation and intrusions northeast of Taiwan : chasing and predicting uncertainty in the cold dome 

      Gawarkiewicz, Glen G.; Jan, Sen; Lermusiaux, Pierre F.J.; McClean, Julie L.; Centurioni, Luca R.; Taylor, Kevin; Cornuelle, Bruce D.; Duda, Timothy F.; Wang, Joe; Yang, Yiing-Jang; Sanford, Thomas B.; Lien, Ren-Chieh; Lee, Craig M.; Lee, Ming-An; Leslie, Wayne; Haley, Patrick J.; Niiler, Pearn P.; Gopalakrishnan, Ganesh; Velez-Belchi, Pedro; Lee, Dong-Kyu; Kim, Yoo Yin (The Oceanography Society, 2011-12)
      An important element of present oceanographic research is the assessment and quantification of uncertainty. These studies are challenging in the coastal ocean due to the wide variety of physical processes occurring on a ...