Now showing items 2700-2719 of 5760

    • Is the Faroe Bank Channel overflow hydraulically controlled? 

      Girton, James B.; Pratt, Lawrence J.; Sutherland, David A.; Price, James F. (American Meteorological Society, 2006-12)
      The overflow of dense water from the Nordic Seas through the Faroe Bank Channel (FBC) has attributes suggesting hydraulic control—primarily an asymmetry across the sill reminiscent of flow over a dam. However, this aspect ...
    • iSAM2 : incremental smoothing and mapping using the Bayes tree 

      Kaess, Michael; Johannsson, Hordur; Roberts, Richard; Ila, Viorela; Leonard, John J.; Dellaert, Frank (2011-04-06)
      We present a novel data structure, the Bayes tree, that provides an algorithmic foundation enabling a better understanding of existing graphical model inference algorithms and their connection to sparse matrix factorization ...
    • Isolating the hydrodynamic triggers of the dive response in eastern oyster larvae 

      Wheeler, Jeanette D.; Helfrich, Karl R.; Anderson, Erik J.; Mullineaux, Lauren S. (John Wiley & Sons, 2015-05-06)
      Understanding the behavior of larval invertebrates during planktonic and settlement phases remains an open and intriguing problem in larval ecology. Larvae modify their vertical swimming behavior in response to water column ...
    • Isolation and characterization of novel psychrophilic, neutrophilic, Fe-oxidizing, chemolithoautotrophic α- and γ-proteobacteria from the deep sea 

      Edwards, Katrina J.; Rogers, Daniel R.; Wirsen, Carl O.; McCollom, Thomas M. (American Society for Microbiology, 2003-05)
      We report the isolation and physiological characterization of novel, psychrophilic, iron-oxidizing bacteria (FeOB) from low-temperature weathering habitats in the vicinity of the Juan de Fuca deep-sea hydrothermal area. ...
    • Isolation and identification of an epibiotic bacterium associated with heterocystous Anabaena cells 

      Stevenson, Bradley S.; Waterbury, John B. (Marine Biological Laboratory, 2006-04)
      Heterotrophic bacteria are commonly found in close associations with photosynthetic cyanobacteria in aquatic ecosystems. Some of these associations can be species-specific and mutualistic, resulting in optimal growth and ...
    • Isolation and phylogeny of novel cytochrome P450 genes from tunicates (Ciona spp.) : a CYP3 line in early deuterostomes? 

      Verslycke, Tim A.; Goldstone, Jared V.; Stegeman, John J. (2006-04-04)
      Cytochromes P450 (CYPs) form a gene superfamily involved in the biotransformation of numerous endogenous and exogenous natural and synthetic compounds. In humans, CYP3A4 is regarded as one of the most important CYPs due ...
    • Isotope and trace element insights into heterogeneity of subridge mantle 

      Mallick, Soumen; Dick, Henry J. B.; Sachi-Kocher, Afi; Salters, Vincent J. M. (John Wiley & Sons, 2014-06-16)
      Geochemical data for abyssal peridotites are used to determine the relationship to mid-ocean ridge basalts from several locations at ridge segments on the SW Indian Ridge (SWIR), the Mid-Cayman-Rise (MCR), and the Mid-Atlantic ...
    • The isotope geochemistry of abyssal peridotites and related rocks 

      Snow, Jonathan E. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1993-06)
      This dissertation studies several aspects of the formation of the Earth's oceanic mantle and crust, using a variety of geologic techniques, principally major elements, radiogenic isotopes and trace elements, but including ...
    • Isotope tracing of submarine groundwater discharge offshore Ubatuba, Brazil : results of the IAEA–UNESCO SGD project 

      Povinec, Pavel P.; Bokuniewicz, H. J.; Burnett, William C.; Cable, J.; Charette, Matthew A.; Comanducci, J.-F.; Konta, E. A.; Moore, Willard S.; Oberdorfer, J. A.; de Oliveira, J.; Peterson, R.; Stieglitz, T.; Taniguchi, M. (2008-06-12)
      Results of groundwater and seawater analyses for radioactive (3H, 222Rn, 223Ra, 224Ra, 226Ra, 228Ra) and stable (2H, 18O) isotopes are presented together with in situ spatial mapping and time-series 222Rn measurements in ...
    • Isotopic characterization of aerosol organic carbon components over the eastern United States 

      Wozniak, Andrew S.; Bauer, James E.; Dickhut, Rebecca M.; Xu, Li; McNichol, Ann P. (American Geophysical Union, 2012-07-04)
      Carbon isotopic signatures (δ13C, Δ14C) of aerosol particulate matter total organic carbon (TOC) and operationally defined organic carbon (OC) components were measured in samples from two background sites in the eastern ...
    • Isotopic constraints on the sources and associations of organic compounds in marine sediments 

      White, Helen K. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2006-02)
      To provide a new perspective on the fate of both natural organic matter and hydrophobic organic contaminants (HOCs) in marine sediments, we have investigated the relationship between radiocarbon (14C) age and the different ...
    • Isotopic, geophysical and biogeochemical investigation of submarine groundwater discharge : IAEA-UNESCO intercomparison exercise at Mauritius Island 

      Povinec, Pavel P.; Burnett, William C.; Beck, A.; Bokuniewicz, H. J.; Charette, Matthew A.; Gonneea, Meagan E.; Groening, M.; Ishitobi, T.; Kontar, E.; Kwong, L. Liong Wee; Marie, D. E. P.; Moore, Willard S.; Oberdorfer, J. A.; Peterson, R.; Ramessur, R.; Rapaglia, J.; Stieglitz, T.; Top, Zafer (2011-09)
      Submarine groundwater discharge (SGD) into a shallow lagoon on the west coast of Mauritius Island (Flic-en-Flac) was investigated using radioactive (3H, 222Rn, 223Ra, 224Ra, 226Ra, 228Ra) and stable (2H, 18O) isotopes and ...
    • ITAG : an eco-sensor for fine-scale behavioral measurements of soft-bodied marine invertebrates 

      Mooney, T. Aran; Katija, Kakani; Shorter, K. Alex; Hurst, Thomas P.; Fontes, Jorge; Afonso, Pedro (BioMed Central, 2015-09-28)
      Soft-bodied marine invertebrates comprise a keystone component of ocean ecosystems; however, we know little of their behaviors and physiological responses within their natural habitat. Quantifying ocean conditions and ...
    • The Jason II virtual control van system, data acquisition system, web-based event logger, and SeaNet 

      Lerner, Steven A.; Maffei, Andrew R. (Woods Hole Oceanographic Institution, 2002-12)
      Scientific underwater remotely operated vehicles (ROVs) collect data from multiple video cameras and scientific instruments. This integrated information is often only available in an ROV control-van during operations. ...
    • The JASON remotely operated vehicle system 

      Ballard, Robert D. (Woods Hole Oceanographic Institution, 1993-02)
      The JASON remotely operated vehicle (ROV) system has been under development for the last decade. After a number of engineering test cruises, including the discovery of the R.M.S. Titanic and the German Battleship Bismarck, ...
    • JeDI: Jellyfish Database Initiative 

      Condon, Robert H.; Lucas, Cathy H.; Duarte, Carlos M.; Pitt, Kylie A.; Haddock, Steven H. D.; Madin, Laurence P.; Brodeur, Richard D.; Sutherland, Kelly R.; Mianzan, Hermes W.; Purcell, Jennifer E.; Decker, Mary Beth; Uye, Shin-Ichi; Malej, Alenka; Bogeberg, Molly; Everett, John T.; Gibbons, Mark; Gonzalez, H.; Hay, S.; Hensche, N.; Hobson, R. J.; Kingsford, Michael J.; Kremer, P.; Lehtiniemi, Maiju; Ohman, Mark; Rissik, D.; Sheard, K.; Suthers, Iain; Coleman, N.; Costello, John H.; Gershwin, L. A.; Graham, William M.; Robinson, Kelly L.; Richardson, T. M.; Giesecke, R.; Gorsky, Gabriel; Greve, Wulf; Halsband-Lenk, C.; Hays, Graeme; Hobson, V.; Klein, David; Lebrato, Mario; Loveridge, Jan; Martens, P.; Milos, C.; Perry, G.; Stemmann, L.; Sullivan, Barbara; Walker, T.; Schildhauer, Mark; Regetz, J. (Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu, 2015-03-09)
      The Jellyfish Database Initiative (JeDI) is a scientifically-coordinated global database dedicated to gelatinous zooplankton (members of the Cnidaria, Ctenophora and Thaliacea) and associated environmental data. The database ...
    • A joint Monte Carlo analysis of seafloor compliance, Rayleigh wave dispersion and receiver functions at ocean bottom seismic stations offshore New Zealand 

      Ball, Justin S.; Sheehan, Anne F.; Stachnik, Joshua C.; Lin, Fan-Chi; Collins, John A. (John Wiley & Sons, 2014-12-17)
      Teleseismic body-wave imaging techniques such as receiver function analysis can be notoriously difficult to employ on ocean-bottom seismic data due largely to multiple reverberations within the water and low-velocity ...
    • Jurassic zircons from the Southwest Indian Ridge 

      Cheng, Hao; Zhou, Huaiyang; Yang, Qunhui; Zhang, Lingmin; Ji, Fuwu; Dick, Henry J. B. (Nature Publishing Group, 2016-05-17)
      The existence of ancient rocks in present mid-ocean ridges have long been observed but received less attention. Here we report the discovery of zircons with both reasonably young ages of about 5 Ma and abnormally old ages ...
    • Juvenile fish assemblages collected on unconsolidated sediments of the southeast United States continental shelf 

      Walsh, Harvey J.; Marancik, Katrin E.; Hare, Jonathan A. (U.S. Department of Commerce, NOAA, 2006)
      Patterns were investigated in juvenile fish use of unconsolidated sediments on the southeast United States continental shelf off Georgia. Juvenile fish and environmental data were sampled at ten stations along a 110-km ...
    • K-distribution fading models for Bayesian estimation of an underwater acoustic channel 

      Laferriere, Alison Beth (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2011-02)
      Current underwater acoustic channel estimation techniques generally apply linear MMSE estimation. This approach is optimal in a mean square error sense under the assumption that the impulse response fluctuations are well ...