Now showing items 1-17 of 17

  • Biological processes and optical measurements near the sea surface: Some issues relevant to remote sensing 

    Cullen, J. J., and M. R. Lewis. 1995. "Biological processes and optical measurements near the sea surface: Some issues relevant to remote sensing." Journal of Geophysical Research.C.Oceans 100(C7): 13-13,266. DOI:10.1029/95JC00454
    There is good evidence that bio-optical relationships are altered near the surface: (1) the fluorescence yield from chlorophyll declines, leading to bias in the estimation of pigment from fluorometry; (2) the modeled ...
  • Carbon cycling in the Arctic Archipelago: the export of Pacific carbon to the North Atlantic 

    Shadwick, E. H., T. Papakyriakou, AEF Prowe, D. Leong, et al. 2009. "Carbon cycling in the Arctic Archipelago: the export of Pacific carbon to the North Atlantic." Biogeosciences Discussions 6(1): 971-994.
    The Arctic Ocean is expected to be disproportionately sensitive to climatic changes, and is thought to be an area where such changes might be detected. The Arctic hydrological cycle is influenced by: runoff and precipitation, ...
  • A description of water types on the Mackenzie Shelf of the Beaufort Sea during winter 

    Moore, R. M., H. Melling, and K. R. Thompson. 1992. "A description of water types on the Mackenzie Shelf of the Beaufort Sea during winter." Journal of Geophysical Research.C.Oceans 97(C8): 12607-12618. DOI:10.1029/92JC00842
    For a number of years during the 1980s, observations of the physical and chemical properties of seawater in the southeastern Beaufort Sea have been acquired in late winter. The most complete data set, from 1987, has been ...
  • A description of water types on the Mackenzie Shelf of the Beaufort Sea during winter 

    Moore, R. M., H. Melling, and K. R. Thompson. 1992. "A description of water types on the Mackenzie Shelf of the Beaufort Sea during winter." Journal of Geophysical Research.C.Oceans 97(C8): 12607-12618. DOI:10.1029/92JC00842
    For a number of years during the 1980s, observations of the physical and chemical properties of seawater in the southeastern Beaufort Sea have been acquired in late winter. The most complete data set, from 1987, has been ...
  • Dissolved organic phosphorus concentrations in the northeast subarctic Pacific Ocean 

    Ridal, J. J., and R. M. Moore. 1992. "Dissolved organic phosphorus concentrations in the northeast subarctic Pacific Ocean." Limnology and Oceanography 37(5): 1067-1075. DOI:10.4319/lo.1992.37.5.1067
    Shipboard determinations of dissolved organic P (DOP) concentrations were made for NE subarctic Pacific Ocean samples with three different oxidation-hydrolysis methods: UV irradiation, acid persulfate digestion, and a ...
  • Effect of the nonlinearity of the carbonate system on partial pressure of carbon dioxide in the oceans 

    Trela, P., S. Sathyendranath, R. M. Moore, and DE Kelley. 1995. "Effect of the nonlinearity of the carbonate system on partial pressure of carbon dioxide in the oceans." Journal of Geophysical Research.C.Oceans 100(C4): 6829-6844. DOI:10.1029/94JC02573
    Partial pressure of CO sub(2) is a nonlinear function of several seawater properties. Due to the nonlinearity in this relationship, the partial pressure of a uniform ocean would be different from that of a nonuniform ocean ...
  • Inferred influence of nutrient availability on the relationship between Sun-induced chlorophyll fluorescence and incident irradiance in the Bering Sea 

    Schallenberg, Christina, Marlon R. Lewis, Dan E Kelley, and John J. Cullen. 2008. "Inferred influence of nutrient availability on the relationship between Sun-induced chlorophyll fluorescence and incident irradiance in the Bering Sea." Journal of Geophysical Research.C.Oceans 113(7). DOI:10.1029/2007JC004355
    This study examines variability in the relationship between Sun-induced chlorophyll fluorescence and incident solar irradiance as a potential diagnostic of the nutritional status of phytoplankton. The study site is the ...
  • Madden-Julian Oscillation and sea level: Local and remote forcing 

    Oliver, ECJ, and K. R. Thompson. 2010. "Madden-Julian Oscillation and sea level: Local and remote forcing." Journal of Geophysical Research.C.Oceans 115(C01). DOI:10.1029/2009JC005337
    The Madden-Julian Oscillation (MJO) is the dominant mode of atmospheric variability in the tropical atmosphere on intraseasonal time scales (i.e., weeks to seasons). This study examines the connection between the MJO and ...
  • A modified galerkin-spectral model for three-dimensional, barotropic, wind-driven shelf circulation 

    Sheng, Jinyu, and K. R. Thompson. 1993. "A modified galerkin-spectral model for three-dimensional, barotropic, wind-driven shelf circulation." Journal of Geophysical Research.C.Oceans 98(C4): 7011-7022. DOI:10.1029/92JC02963
    The authors describe an efficient numerical scheme for calculating wind-driven currents on the continental shelf. Our scheme is based on the spectral approach introduced by Heaps and subsequently modified by Lardner. The ...
  • A new measurement of CO sub(2) eddy flux in the nearshore atmospheric surface layer 

    Smith, S. D., R. J. Anderson, E. P. Jones, R. L. Desjardins, et al. 1991. "A new measurement of CO sub(2) eddy flux in the nearshore atmospheric surface layer." Journal of Geophysical Research.C.Oceans 96(C5): 8881-8887. DOI: 10.1029/91JC00354
    Fluxes of CO sub(2) in the atmospheric surface layer have been measured at a shoreline site by the eddy correlation method using a new CO sub(2) sensor with greater sensitivity than the ones used in earlier studies. In ...
  • New production in the warm waters of the Tropical Pacific Ocean 

    Pena, MA, M. R. Lewis, and J. J. Cullen. 1994. "New production in the warm waters of the Tropical Pacific Ocean." Journal of Geophysical Research.C.Oceans 99(C7): 14-14,268. DOI: 10.1029/94JC00603
    The average depth-integrated rate of new production in the tropical Pacific Ocean was estimated from a calculation of horizontal and vertical nitrate balance over the region enclosed by the climatological 26 degree C ...
  • Optical detection and assessment of algal blooms 

    Cullen, J. J., A. M. Ciotti, R. F. Davis, and M. R. Lewis. 1997. "Optical detection and assessment of algal blooms." Limnology and Oceanography 42(5): 1223-1239. DOI:10.4319/lo.1997.42.5_part_2.1223
    Concerns about harmful algal blooms (HABs) have grown in recent years. There is a pressing need for robust, quantitative, and cost-effective methods to detect and characterize algal blooms. Critical applications of these ...
  • Photosynthetic characteristics and estimated growth rates indicate grazing is the proximate control of primary production in the Equatorial Pacific 

    Cullen, J. J., M. R. Lewis, C. O. Davis, and R. T. Barber. 1992. "Photosynthetic characteristics and estimated growth rates indicate grazing is the proximate control of primary production in the Equatorial Pacific." Journal of Geophysical Research.C.Oceans 97(C1): 639-654. DOI:10.1029/91JC01320
    Macronutrients persist in the surface layer of the equatorial Pacific Ocean because the production of phytoplankton is limited. Measurements of photosynthesis as a function of irradiance (P-I) provide information on the ...
  • A relationship between heat transfer to sea ice and temperature-salinity properties of Arctic Ocean waters 

    Moore, R. M., and DWR Wallace. 1988. "A relationship between heat transfer to sea ice and temperature-salinity properties of Arctic Ocean waters." Journal of Geophysical Research.C.Oceans 93(C1): 565-571. DOI:10.1029/JC093iC01p00565
    It is demonstrated that the characteristic temperature-salinity relationship shown by thermocline waters of the Arctic Ocean can be reproduced using a simple model based on transfer of heat directly from these waters to ...
  • Relationships between vertical mixing and photoadaptation of phytoplankton: Similarity criteria 

    Lewis, M. R., J. J. Cullen, and T. Platt. 1984. "Relationships between vertical mixing and photoadaptation of phytoplankton: Similarity criteria." Marine ecology progress series.Oldendorf 15(1-2): 141-149.
    In their natural environment phytoplankton are exposed to fluctuations in incident irradiance due to vertical displacements in the water column induced by turbulent fluid motion. A reaction-diffusion model is analyzed to ...
  • Spatial variation in right whale food, Calanus finmarchicus, in the Bay of Fundy 

    Michaud, J., and C. T. Taggart. 2011. "Spatial variation in right whale food, Calanus finmarchicus, in the Bay of Fundy." Endangered Species Research 15(3): 179-194.
    No abstract available.
  • Surface heat flux, horizontal advection, and the seasonal evolution of water temperature on the Scotian Shelf 

    Umoh, JU, and K. R. Thompson. 1994. "Surface heat flux, horizontal advection, and the seasonal evolution of water temperature on the Scotian Shelf." Journal of Geophysical Research.C.Oceans 99(10): 20-20,416. DOI: 10.1029/94JC01620
    Seasonal temperature variations on the Scotian Shelf penetrate to a depth of about 75 m. The net surface heat flux (Q) can explain about 85% of the annual cycle in the rate of change of mean temperature over this depth ...