Now showing items 1804-1823 of 4994

  • Generation and propagation of nonlinear internal waves in Massachusetts Bay 

    Scotti, Alberto; Beardsley, Robert C.; Butman, Bradford (American Geophysical Union, 2007-10-02)
    During the summer, nonlinear internal waves (NLIWs) are commonly observed propagating in Massachusetts Bay. The topography of the area is unique in the sense that the generation area (over Stellwagen Bank) is only 25 km ...
  • Generation of mid-ocean eddies : the local baroclinic instability hypothesis 

    Arbic, Brian K. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2000-08)
    The plausibility of local baroclinic instability as a generation mechanism for midocean mesoscale eddies is examined with a two-layer, quasi-geostrophic (QG) model forced by an imposed, horizontally homogeneous, vertically ...
  • The generation of nonlinear internal waves 

    Jackson, Christopher R.; da Silva, Jose C. B.; Jeans, Gus (The Oceanography Society, 2012-06)
    Nonlinear internal waves are found in many parts of the world ocean. Their widespread distribution is a result of their origin in the barotropic tide and in the variety of ways they can be generated, including by lee waves, ...
  • Generation of seafloor hydrothermal vent fluids and associated mineral deposits 

    Tivey, Margaret K. (Oceanography Society, 2007-03)
    In the nearly 30 years since the discovery of hydrothermal venting along open-ocean spreading centers, much has been learned about the generation of vent fluids and associated deposits. The hot, reducing, metal-rich, ...
  • The generation, energetics and propagation of internal tides in the western North Atlantic Ocean 

    Hendry, Ross MacRae (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1975-04)
    This thesis reports on an investigation into the structure, energetics and propagation of tidal frequency internal waves. Data from Site D, near the New England continental slope, Muir Seamount northeast of Bermuda, and ...
  • Genesis and geometry of tilted blocks in the Theban Hills, near Luxor (Upper Egypt) 

    Dupuis, Christian; Aubry, Marie-Pierre; King, Christopher; Knox, Robert W. O'B.; Berggren, William A.; Youssef, Mostafa; Galal, Wael Fathi; Roche, Marc (2011-02-16)
    The desertic Theban hills between the edge of the alluvial plain of the Nile and the prominent cliffs at the eastern edge of the Theban Plateau consist of imbricated tilted blocks organized in parallel groups representing ...
  • Genesis of active sand-filled polygons in lower and central Beacon Valley, Antarctica 

    Bockheim, James G.; Kurz, Mark D.; Soule, Samuel A.; Burke, Andrea (2009-05)
    Nonsorted polygons with sand-filled wedges were investigated in lower and central Beacon Valley, Antarctica (77.82ºS, 160.67ºE) using field observations coupled with a 2-m resolution Digital Elevation Model and a ...
  • The genetic analysis of the vulval cell lineages of Caenorhabditis elegans 

    Ferguson, Edwin Louis (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1985-05)
    The cell lineages of the nematode Caenorhabditis elegana are essentially invariant among individuals. We have begun an attempt to understand the genetic specification of one particular cell lineage, that of the hermaphrodite ...
  • Genetic variability and differentiation in niche components of marine phytoplankton species 

    Brand, Larry E. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1980-01)
    The acclimated asexual reproduction rates of many clones of Emiliania huxleyi (82), Gephrocapsa oceanica (19), Cyclococcolithina leptopora (31), Prorocentrum micans (28), Dissodinium lunula (22), Thoracosphaera heimi ...
  • Genetic variation at aryl hydrocarbon receptor (AHR) loci in populations of Atlantic killifish (Fundulus heteroclitus) inhabiting polluted and reference habitats 

    Reitzel, Adam M.; Karchner, Sibel I.; Franks, Diana G.; Evans, Brad R.; Nacci, Diane E.; Champlin, Denise; Vieira, Veronica M.; Hahn, Mark E. (BioMed Central, 2014-01-14)
    The non-migratory killifish Fundulus heteroclitus inhabits clean and polluted environments interspersed throughout its range along the Atlantic coast of North America. Several populations of this species have successfully ...
  • The genome of deep-sea vent chemolithoautotroph Thiomicrospira crunogena XCL-2 

    Scott, Kathleen M.; Sievert, Stefan M.; Abril, Fereniki N.; Ball, Lois A.; Barrett, Chantell J.; Blake, Rodrigo A.; Boller, Amanda J.; Chain, Patrick S. G.; Clark, Justine A.; Davis, Carisa R.; Detter, Chris; Do, Kimberly F.; Dobrinski, Kimberly P.; Faza, Brandon I.; Fitzpatrick, Kelly A.; Freyermuth, Sharyn K.; Harmer, Tara L.; Hauser, Loren J.; Hugler, Michael; Kerfeld, Cheryl A.; Klotz, Martin G.; Kong, William W.; Land, Miriam L.; Lapidus, Alla; Larimer, Frank W.; Longo, Dana L.; Lucas, Susan; Malfatti, Stephanie A.; Massey, Steven E.; Martin, Darlene D.; McCuddin, Zoe; Meyer, Folker; Moore, Jessica L.; Ocampo, Luis H.; Paul, John H.; Paulsen, Ian T.; Reep, Douglas K.; Ren, Qinghu; Ross, Rachel L.; Sato, Priscila Y.; Thomas, Phaedra; Tinkham, Lance E.; Zeruth, Gary T. (Public Library of Science (PLoS), 2006-11-14)
    Presented here is the complete genome sequence of Thiomicrospira crunogena XCL-2, representative of ubiquitous chemolithoautotrophic sulfur-oxidizing bacteria isolated from deep-sea hydrothermal vents. This gammaproteob ...
  • Genome of the epsilonproteobacterial chemolithoautotroph Sulfurimonas denitrificans 

    Sievert, Stefan M.; Scott, Kathleen M.; Klotz, Martin G.; Chain, Patrick S. G.; Hauser, Loren J.; Hemp, James; Hugler, Michael; Land, Miriam L.; Lapidus, Alla; Larimer, Frank W.; Lucas, Susan; Malfatti, Stephanie A.; Meyer, Folker; Paulsen, Ian T.; Ren, Qinghu; Simon, Jorg; USF Genomics Class (American Society for Microbiology, 2007-12-07)
    Sulfur-oxidizing epsilonproteobacteria are common in a variety of sulfidogenic environments. These autotrophic and mixotrophic sulfur-oxidizing bacteria are believed to contribute substantially to the oxidative portion of ...
  • Genome sequence of the metazoan plant-parasitic nematode Meloidogyne incognita 

    Abad, Pierre; Gouzy, Jerome; Aury, Jean-Marc; Castagnone-Sereno, Philippe; Danchin, Etienne G. J.; Deleury, Emeline; Perfus-Barbeoch, Laetitia; Anthouard, Veronique; Artiguenave, Francois; Blok, Vivian C.; Caillaud, Marie-Cecile; Coutinho, Pedro M.; Da Silva, Corinne; De Luca, Francesca; Deau, Florence; Esquibet, Magali; Flutre, Timothe; Goldstone, Jared V.; Hamamouch, Noureddine; Hewezi, Tarek; Jaillon, Olivier; Jubin, Claire; Leonetti, Paola; Magliano, Marc; Maier, Tom R.; Markov, Gabriel V.; McVeigh, Paul; Pesole, Graziano; Poulain, Julie; Robinson-Rechavi, Marc; Sallet, Erika; Segurens, Beatrice; Steinbach, Delphine; Tytgat, Tom; Ugarte, Edgardo; van Ghelder, Cyril; Veronico, Pasqua; Baum, Thomas J.; Blaxter, Mark; Bleve-Zacheo, Teresa; Davis, Eric L; Ewbank, Jonathan J.; Favery, Bruno; Grenier, Eric; Henrissat, Bernard; Jones, John T.; Laudet, Vincent; Maule, Aaron G.; Quesneville, Hadi; Rosso, Marie-Noelle; Schiex, Thomas; Smant, Geert; Weissenbach, Jean; Wincker, Patrick (Nature Publishing Group, 2008-07-27)
    Plant-parasitic nematodes are major agricultural pests worldwide and novel approaches to control them are sorely needed. We report the draft genome sequence of the root-knot nematode Meloidogyne incognita, a biotrophic ...
  • Genomic survey of candidate stress-response genes in the estuarine anemone Nematostella vectensis 

    Reitzel, Adam M.; Sullivan, James C.; Traylor-Knowles, Nikki; Finnerty, John R. (Marine Biological Laboratory, 2008-06)
    Salt marshes are challenging habitats due to natural variability in key environmental parameters including temperature, salinity, ultraviolet light, oxygen, sulfides, and reactive oxygen species. Compounding this natural ...
  • Genotypic diversity within a natural coastal bacterioplankton population 

    Thompson, Janelle R.; Pacocha, Sarah E.; Pharino, Chanathip; Klepac-Ceraj, Vanja; Hunt, Dana E.; Benoit, Jennifer; Sarma-Rupavtarm, Ramahi; Distel, Daniel L.; Polz, Martin F. (2005-01-04)
    The genomic diversity and relative importance of unique genotypes within natural bacterial populations has remained largely unknown. Here, we analyze the diversity and annual dynamics of a group of coastal bacterioplankton ...
  • Geoacoustic inversion by mode amplitude perturbation 

    Poole, Travis L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2007-02)
    This thesis introduces an algorithm for inverting for the geoacoustic properties of the seafloor in shallow water. The input data required by the algorithm are estimates of the amplitudes of the normal modes excited by ...
  • Geoacoustic inversion by mode amplitude perturbation 

    Poole, Travis L.; Frisk, George V.; Lynch, James F.; Pierce, Allan D. (Acoustical Society of America, 2008-02)
    This paper introduces a perturbative inversion algorithm for determining sea floor acoustic properties, which uses modal amplitudes as input data. Perturbative inverse methods have been used in the past to estimate bottom ...
  • Geoacoustic inversion by mode amplitude perturbation 

    Poole, Travis L.; Frisk, George V.; Lynch, James F.; Pierce, Allan D. (Acoustical Society of America, 2008-02)
    This paper introduces a perturbative inversion algorithm for determining sea floor acoustic properties, which uses modal amplitudes as input data. Perturbative inverse methods have been used in the past to estimate bottom ...
  • Geoacoustic inversion in laterally varying shallow-water environments using high-resolution wavenumber estimation 

    Becker, Kyle M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2002-02)
    Sound propagation in shallow water is highly dependent on the interaction of the sound field with the bottom. In order to fully understand this problem, it is necessary to obtain reliable estimates of bottom geoacoustic ...
  • Geobiology of marine magnetotactic bacteria 

    Simmons, Sheri L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2006-06)
    Magnetotactic bacteria (MTB) biomineralize intracellular membrane-bound crystals of magnetite (Fe3O4) or greigite (Fe3S4), and are abundant in the suboxic to anoxic zones of stratified marine environments worldwide. Their ...