Now showing items 5325-5344 of 7453

  • Polychromatic polarization microscope : bringing colors to a colorless world 

    Shribak, Michael (Nature Publishing Group, 2015-11-27)
    Interference of two combined white light beams produces Newton colors if one of the beams is retarded relative to the other by from 400 nm to 2000 nm. In this case the corresponding interfering spectral components are added ...
  • Polyparameter linear free energy relationship for wood char–water sorption coefficients of organic sorbates 

    Plata, Desiree L.; Hemingway, Jordon D.; Gschwend, Philip M. (2015-01)
    Black carbons (BCs), including soots, chars, activated carbons, and engineered nanocarbons, have different surface properties, but we do not know to what extent these affect their sorbent properties. To evaluate this for ...
  • Pond fractals in a tidal flat 

    Cael, B. Barry; Lambert, Bennett; Bisson, Kelsey (American Physical Society, 2015-11-19)
    Studies over the past decade have reported power-law distributions for the areas of terrestrial lakes and Arctic melt ponds, as well as fractal relationships between their areas and coastlines. Here we report similar fractal ...
  • A pop-up float recovery system for coastal oceanographic tripods 

    Dunn, Christopher V. R.; Gordon, Allan G. (Woods Hole Oceanographic Institution, 1989-11)
    The recovery package described here was used as the primary retrieval system to recover tripod instrument platforms from a depth of 90 meters. The device uses dual in-line burn wires, one of which is acoustically commanded ...
  • Population connectivity and larval dispersal : using geochemical signatures in calcified structures 

    Thorrold, Simon R.; Zacherl, Danielle C.; Levin, Lisa A. (Oceanography Society, 2007-09)
    The importance of larval dispersal to the population dynamics and biogeography of marine organisms has been recognized for almost a century (Hjort, 1914; Thorson, 1950). More recently, theoretical studies have highlighted ...
  • Population connectivity in marine systems : an overview 

    Cowen, Robert K.; Gawarkiewicz, Glen G.; Pineda, Jesus; Thorrold, Simon R.; Werner, Francisco E. (Oceanography Society, 2007-09)
    There is growing consensus that life within the world’s ocean is under considerable and increasing stress from human activities (Hutchings, 2000; Jackson et al., 2001). This unprecedented strain on both the structure and ...
  • Population dynamics and diversity of Synechococcus on the New England Shelf 

    Hunter-Cevera, Kristen R. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2014-09)
    Synechococcus is a ubiquitous marine primary producer. Our understanding of the factors that determine its abundance has been limited by available observational tools, which have not been able to resolve population ...
  • Population growth rate of a common understory herb decreases non-linearly across a gradient of deer herbivory 

    Knight, Tiffany M.; Caswell, Hal; Kalisz, Susan (2008-11-09)
    Overabundant white-tailed deer (Odocoileus virginianus) are a significant management problem in North America that exert unprecedented herbivory pressure on native understory forest communities. Conserving understory ...
  • Portal protein diversity and phage ecology 

    Sullivan, Matthew B.; Coleman, Maureen L.; Quinlivan, Vanessa; Rosenkrantz, Jessica E.; DeFrancesco, Alicia S.; Tan, G.; Fu, Ross; Lee, Jessica A.; Waterbury, John B.; Bielawski, Joseph P.; Chisholm, Sallie W. (Society for Applied Microbiology and Blackwell Publishing, 2008-07-31)
    Oceanic phages are critical components of the global ecosystem, where they play a role in microbial mortality and evolution. Our understanding of phage diversity is greatly limited by the lack of useful genetic diversity ...
  • Post-seismic viscoelastic deformation and stress transfer after the 1960 M9.5 Valdivia, Chile earthquake : effects on the 2010 M8.8 Maule, Chile earthquake 

    Ding, Min; Lin, Jian (Oxford University Press, 2014-03-04)
    After the 1960 M9.5 Valdivia, Chile earthquake, three types of geodetic observations were made during four time periods at nearby locations. These post-seismic observations were previously explained by post-seismic afterslip ...
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    Unknown author (IAMSLIC, 2014)
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    Unknown author (IAMSLIC, 2011)
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    Unknown author (IAMSLIC, 2010)
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    Unknown author (IAMSLIC, 2015)
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    Unknown author (IAMSLIC, 2013)
  • Postpartum whistle production in bottlenose dolphins 

    Fripp, Deborah R.; Tyack, Peter L. (2007-11)
    Despite much research on bottlenose dolphin signature whistles, few have investigated the role of maternal whistles in early calf development. We investigated maternal whistle use in the first weeks postpartum for captive ...
  • Postprocessing system for echo sounder data 

    Foote, Kenneth G.; Knudsen, Hans Petter; Korneliussen, Rolf J.; Nordbø, Per Erik; Røang, Kjell (Acoustical Society of America, 1991-07)
    Echo sounding is a powerful and widely used technique for remote sensing of the marine environment. In order to enhance the power of the echo sounder, a postprocessing system has been designed and realized in standard ...
  • Potassium currents distinguish the two subtypes of morphologically distinct skate bipolar cells 

    Qian, Haohua; Chappell, Richard L.; Redenti, Stephen; Ripps, Harris (Marine Biological Laboratory, 2004-12)
    Bipolar cells in the vertebrate retina are second-order neurons that convey visual information from photoreceptors to ganglion cells, the neurons that relay the message to the brain. Bipolar cells consist typically of ...
  • A potential bias in coral reconstruction of sea surface temperature 

    Solow, Andrew R.; Huppert, Amit (American Geophysical Union, 2004-03-25)
    Isotopic measurements in corals are used to reconstruct past sea surface temperature. These reconstructions are based on calibration regression analyses using paired measurements of modern isotopic composition and sea ...
  • Potential for sound sensitivity in cephalopods 

    Mooney, T. Aran; Hanlon, Roger T.; Madsen, Peter T.; Christensen-Dalsgaard, Jakob; Ketten, Darlene R.; Nachtigall, Paul E. (2010-07)
    Hearing is a primary sense in many marine animals and we now have a reasonable understanding of what stimuli generate clear responses, the frequency range of sensitivity, expected threshold values and mecha-nisms of sound ...