Now showing items 3149-3168 of 6063

    • Marine-derived C-14 calibration and activity record for the past 50,000 years updated from the Cariaco Basin 

      Hughen, Konrad A.; Southon, John R.; Lehman, Scott J.; Bertrand, Chanda J. H.; Turnbull, J. (2006-03-01)
      An expanded Cariaco Basin 14C chronology is tied to 230Th-dated Hulu Cave speleothem records in order to provide detailed marine-based 14C calibration for the past 50,000 years. The revised, high resolution Cariaco 14C ...
    • Marine04 marine radiocarbon age calibration, 0-26 cal kyr BP 

      Hughen, Konrad A.; Baillie, Mike G. L.; Bard, Edouard; Beck, J. Warren; Bertrand, Chanda J. H.; Blackwell, Paul G.; Buck, Caitlin E.; Burr, George S.; Cutler, Kirsten B.; Damon, Paul E.; Edwards, R. Lawrence; Fairbanks, Richard G.; Friedrich, Michael; Guilderson, Thomas P.; Kromer, Bernd; McCormac, Gerry; Manning, Sturt; Ramsey, C. Bronk; Reimer, Paula J.; Reimer, Ron W.; Remmele, Sabine; Southon, John R.; Stuiver, Minze; Talamo, Sahra; Taylor, F. W.; van der Plicht, Johannes; Weyhenmeyer, Constanze E. (Dept. of Geosciences, University of Arizona, 2004)
      New radiocarbon calibration curves, IntCal04 and Marine04, have been constructed and internationally ratified to replace the terrestrial and marine components of IntCal98. The new calibration data sets extend an additional ...
    • Mariprofundus ferrooxydans PV-1 the First Genome of a Marine Fe(II) Oxidizing Zetaproteobacterium 

      Singer, Esther; Emerson, David; Webb, Eric A.; Barco, Roman A.; Kuenen, J. Gijs; Nelson, William C.; Chan, Clara S.; Comolli, Luis R.; Ferriera, Steve; Johnson, Justin; Heidelberg, John F.; Edwards, Katrina J. (Public Library of Science, 2011-09-23)
      Mariprofundus ferrooxydans PV-1 has provided the first genome of the recently discovered Zetaproteobacteria subdivision. Genome analysis reveals a complete TCA cycle, the ability to fix CO2, carbon-storage proteins and a ...
    • Maritime Aerosol Network as a component of Aerosol Robotic Network 

      Smirnov, A.; Holben, B. N.; Slutsker, I.; Giles, D. M.; McClain, C. R.; Eck, T. F.; Sakerin, S. M.; Macke, A.; Croot, P.; Zibordi, G.; Quinn, P. K.; Sciare, J.; Kinne, S.; Harvey, Mike J.; Smyth, Tim J.; Piketh, S.; Zielinski, T.; Proshutinsky, Andrey; Goes, J. I.; Nelson, N. B.; Larouche, P.; Radionov, V. F.; Goloub, P.; Moorthy, K. Krishna; Matarrese, R.; Robertson, E. J.; Jourdin, F. (American Geophysical Union, 2009-03-21)
      The paper presents the current status of the Maritime Aerosol Network (MAN), which has been developed as a component of the Aerosol Robotic Network (AERONET). MAN deploys Microtops handheld Sun photometers and utilizes the ...
    • Mark-recapture statistics and demographic analysis 

      Fujiwara, Masami (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2002-06)
      Mark-recapture analysis of populations is becoming an important tool in population biology. Mark-recapture methods can be used to estimate transition probabilities among life-stages from capture histories of marked ...
    • Markov chain analysis of succession in a rocky subtidal community 

      Hill, M. Forrest; Witman, Jon D.; Caswell, Hal (University of Chicago Press, 2004-07-01)
      We present a Markov chain model of succession in a rocky subtidal community based on a long-term (1986–1994) study of subtidal invertebrates (14 species) at Ammen Rock Pinnacle in the Gulf of Maine. The model describes ...
    • Markov Chain Monte Carlo methods for assigning larvae to natal sites using natural geochemical tags 

      White, J. Wilson; Standish, Julie D.; Thorrold, Simon R.; Warner, Robert R. (Ecological Society of America, 2008-12)
      Geochemical signatures deposited in otoliths are a potentially powerful means of identifying the origin and dispersal history of fish. However, current analytical methods for assigning natal origins of fish in mixed-stock ...
    • Mass, heat and nutrient fluxes in the Atlantic Ocean determined by inverse methods 

      Rintoul, Stephen R. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1988-03)
      Inverse methods are applied to historical hydrographic data to address two aspects of the general circulation of the Atlantic Ocean. The method allows conservation statements for mass and other properties, along with a ...
    • Mass, heat, oxygen and nutrient fluxes at 30°S and their implications for the Pacific-Indian through flow and the global heat budget 

      Macdonald, Alison M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1991-07)
      Six hydrographic basinwide sections, two in each of the three major ocean basins, are employed in a set of inverse calculations to determine the extent of exchange between the Pacific and Indian Oceans through the ...
    • Mass-induced sea level change in the northwestern North Pacific and its contribution to total sea level change 

      Cheng, Xuhua; Li, Lijuan; Du, Yan; Wang, Jing; Huang, Rui Xin (John Wiley & Sons, 2013-08-02)
      Over the period 2003–2011, the Gravity Recovery and Climate Experiment (GRACE) satellite pair revealed a remarkable variability in mass-induced sea surface height (MSSH) in the northwestern North Pacific. A significant ...
    • Massively parallel tag sequencing reveals the complexity of anaerobic marine protistan communities 

      Stoeck, Thorsten; Behnke, Anke; Christen, Richard; Amaral-Zettler, Linda A.; Rodriguez-Mora, Maria J.; Chistoserdov, Andrei Y.; Orsi, William D.; Edgcomb, Virginia P. (BioMed Central, 2009-11-03)
      Recent advances in sequencing strategies make possible unprecedented depth and scale of sampling for molecular detection of microbial diversity. Two major paradigm-shifting discoveries include the detection of bacterial ...
    • The Matamek research program : annual report for 1983 

      Naiman, Robert J. (Woods Hole Oceanographic Institution, 1984-07)
      This report summarizes activities associated with the Institution's Matamek Research Station during 1983. Research was conducted on the biological, chemical and physical environment of streams and rivers, principally in ...
    • A matched field processing approach to long range acoustic navigation 

      Deffenbaugh, Max (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1994-02)
      This thesis presents the design and simulation of an acoustic listen-only navigation system for use in a time-varying high-multipath environment. The system uses a ray tracing model of sound propagation in a horizontally ...
    • Mating behavior, population growth, and the operational sex ratio : a periodic two‐sex model approach 

      Jenouvrier, Stephanie; Caswell, Hal; Barbraud, Christophe; Weimerskirch, Henri (University of Chicago Press, 2010-04-21)
      We present a new approach to modeling two‐sex populations, using periodic, nonlinear two‐sex matrix models. The models project the population growth rate, the population structure, and any ratio of interest (e.g., operational ...
    • Matrix models and sensitivity analysis of populations classified by age and stage : a vec-permutation matrix approach 

      Caswell, Hal (Springer, 2011-06-14)
      Matrix population models in which individuals are classified by both age and stage can be constructed using the vec-permutation matrix. The resulting age-stage models can be used to derive the age-specific consequences of ...
    • Maximizing AUV slow speed performance 

      LeBas, Phillip J. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1997-09)
      A review of the Odyssey IIB autonomous underwater vehicle shows that energy costs associated with vehicle controls can be reduced and operational flexibility improved with relatively simple, low cost improvements. Because ...
    • Maximum likelihood time-domain beamforming using simulated annealing 

      Xu, Kevin (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1999-09)
      An algorithm is developed for underwater acoustic signal processing with an array of hydrophones. With various acoustic signals coming from different directions, the maximum likelihood approach is used to estimate the ...
    • The mean age of ocean waters inferred from radiocarbon observations : sensitivity to surface sources and accounting for mixing histories 

      Gebbie, Geoffrey A.; Huybers, Peter (American Meteorological Society, 2012-02)
      A number of previous observational studies have found that the waters of the deep Pacific Ocean have an age, or elapsed time since contact with the surface, of 700–1000 yr. Numerical models suggest ages twice as old. Here, ...
    • The mean along-isobath heat and salt balances over the Middle Atlantic Bight continental shelf 

      Lentz, Steven J. (American Meteorological Society, 2010-05)
      The mean heat and salt balances over the Middle Atlantic Bight continental shelf are investigated by testing the hypothesis that surface fluxes of heat or freshwater are balanced by along-isobath fluxes resulting from the ...
    • Mean and turbulent velocity fields near rigid and flexible plants and the implications for deposition 

      Ortiz, Alejandra C.; Ashton, Andrew D.; Nepf, Heidi M. (John Wiley & Sons, 2013-12-24)
      The transport of fine sediment and organic matter plays an important role in the nutrient dynamics of shallow aquatic systems, and the fate of these particles is closely linked to vegetation. We describe the mean and ...