Now showing items 5022-5041 of 7807

    • Observations of the dispersion characteristics and meridional sea level structure of equatorial waves in the Pacific Ocean 

      Farrar, J. Thomas (American Meteorological Society, 2008-08)
      Spectral techniques applied to altimetry data are used to examine the dispersion relation and meridional sea level structure of wavelike variability with periods of about 20 to 200 days in the equatorial Pacific Ocean. ...
    • Observations of the Kuroshio's barotropic and baroclinic responses to basin-wide wind forcing 

      Andres, Magdalena; Kwon, Young-Oh; Yang, Jiayan (American Geophysical Union, 2011-04-15)
      Observations show that the Kuroshio in the East China Sea (ECS-Kuroshio) responds to the large-scale wind stress curl field at two time scales. It is argued that these two responses are related to barotropic and baroclinic ...
    • Observations of the subtropical mode water evolution from the Kuroshio Extension System Study 

      Qiu, Bo; Hacker, Peter; Chen, Shuiming; Donohue, Kathleen A.; Watts, D. Randolph; Mitsudera, Humio; Hogg, Nelson G.; Jayne, Steven R. (American Meteorological Society, 2006-03)
      Properties and seasonal evolution of North Pacific Ocean subtropical mode water (STMW) within and south of the Kuroshio Extension recirculation gyre are analyzed from profiling float data and additional hydrographic and ...
    • Observations of the transfer of energy and momentum to the oceanic surface boundary layer beneath breaking waves 

      Scully, Malcolm E.; Trowbridge, John H.; Fisher, Alexander W. (American Meteorological Society, 2016-06-02)
      Measurements just beneath the ocean surface demonstrate that the primary mechanism by which energy from breaking waves is transmitted into the water column is through the work done by the covariance of turbulent pressure ...
    • Observations of tidal variability on the New England shelf 

      Shearman, R. Kipp; Lentz, Steven J. (American Geophysical Union, 2004-06-04)
      Observations from the Coastal Mixing and Optics experiment moored array, deployed from August 1996 through June 1997, are used to describe barotropic and baroclinic tidal variability over the New England shelf. The dominant ...
    • Observations of turbulence in the ocean surface boundary layer : energetics and transport 

      Gerbi, Gregory P.; Trowbridge, John H.; Terray, Eugene A.; Plueddemann, Albert J.; Kukulka, Tobias (American Meteorological Society, 2009-05)
      Observations of turbulent kinetic energy (TKE) dynamics in the ocean surface boundary layer are presented here and compared with results from previous observational, numerical, and analytic studies. As in previous studies, ...
    • Observations of turbulence, internal waves and background flows : an inquiry into the relationships between scales of motion 

      Polzin, Kurt L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1992-09)
      Oceanic profiles of temperature, salinity, horizontal velocity, rate of dissipation of turbulent kinetic energy (ε) and rate of dissipation of thermal variance (χ) are used to examine the parameterization of turbulent ...
    • Observations of turbulent fluxes and turbulence dynamics in the ocean surface boundary layer 

      Gerbi, Gregory P. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2008-06)
      This study presents observations of turbulence dynamics made during the low winds portion of the Coupled Boundary Layers and Air-Sea Transfer experiment (CBLAST-Low). Observations were made of turbulent fluxes, turbulent ...
    • Observations of vertical humidity distribution above the ocean surface and their relation to evaporation 

      Montgomery, Raymond B. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1940-02)
      In order to obtain information on the effect of eddy viscosity and eddy diffusion at the boundary between sea and atmosphere, simultaneous measurements of humidity at two, three or four levels between 1 and 38 meters ...
    • Observations of water mass transformation and eddies in the Lofoten basin of the Nordic Seas 

      Richards, Clark G.; Straneo, Fiamma (American Meteorological Society, 2015-06)
      The Lofoten basin of the Nordic Seas is recognized as a crucial component of the meridional overturning circulation in the North Atlantic because of the large horizontal extent of Atlantic Water and winter surface buoyancy ...
    • Observations of wave orbital scale ripples and a nonequilibrium time-dependent model 

      Traykovski, Peter A. (American Geophysical Union, 2007-06-30)
      Measurements of seafloor ripples under wave-dominated conditions from the LEO15 site and the Martha’s Vineyard coastal observatory were used to develop a time-dependent model for ripple geometry. The measurements consisted ...
    • Observations of wave-mean flow interaction in the Pacific Equatorial Undercurrent 

      Brady, Esther C. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1990-09)
      The contribution of tropical instability waves to the momentum and energy balances of the Pacific Equatorial Undercurrent is investigated using velocity and temperature time series from the three-dimensional Equatorial Pacific ...
    • Observed 20th century desert dust variability : impact on climate and biogeochemistry 

      Mahowald, Natalie M.; Kloster, S.; Engelstaedter, S.; Moore, J. Keith; Mukhopadhyay, S.; McConnell, Joseph R.; Albani, S.; Doney, Scott C.; Bhattacharya, A.; Curran, M. A. J.; Flanner, M. G.; Hoffman, Forrest M.; Lawrence, David M.; Lindsay, Keith; Mayewski, P. A.; Neff, Jason C.; Rothenberg, D.; Thomas, E.; Thornton, Peter E.; Zender, Charles S. (Copernicus Publications on behalf of the European Geosciences Union, 2010-11-19)
      Desert dust perturbs climate by directly and indirectly interacting with incoming solar and outgoing long wave radiation, thereby changing precipitation and temperature, in addition to modifying ocean and land biogeochemistry. ...
    • Observed and modeled Greenland ice sheet snow accumulation, 1958-2003, and links with regional climate forcing 

      Hanna, Edward; McConnell, Joseph R.; Das, Sarah B.; Cappelen, John; Stephens, Ag (American Meteorological Society, 2006-02-01)
      Annual and monthly snow accumulation for the Greenland Ice Sheet was derived from ECMWF forecasts [mainly 40-yr ECMWR Re-Analysis (ERA-40)] and further meteorological modeling. Modeled accumulation was validated using 58 ...
    • Observed circulation and inferred sediment transport in Hudson Submarine Canyon 

      Hotchkiss, Frances Luellen Stephenson (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1982-05)
      Velocity and temperature time series from Hudson Submarine Canyon and hydrographic surveys of seven canyons of the Middle Atlantic Bight indicate that the effects of storms, tides, and incoming internal waves are intensified ...
    • Observed eastward progression of the Fukushima 134Cs signal across the North Pacific 

      Yoshida, Sachiko; Macdonald, Alison M.; Jayne, Steven R.; Rypina, Irina I.; Buesseler, Ken O. (John Wiley & Sons, 2015-09-09)
      Radionuclide samples taken as part of hydrographic surveys at 30°N in the North Pacific reveal that the easternmost edge of Fukushima-derived 134Cs observed at 174.3°W in 2012 had progressed eastward across the basin to ...
    • Observed limiting cases of horizontal field coherence and array performance in a time-varying internal wavefield 

      Collis, Jon M.; Duda, Timothy F.; Lynch, James F.; DeFerrari, Harry A. (Acoustical Society of America, 2008-08-28)
      Using a moored source and horizontal/vertical line array combination, horizontal coherence properties of high signal to noise ratio (>=20 dB) 100–1600 Hz signals have been measured. Internal waves in the area of the ...
    • The observed state of the energy budget in the early twenty-first century 

      L’Ecuyer, Tristan S.; Beaudoing, Hiroko K.; Rodell, Matthew; Olson, William S.; Lin, B.; Kato, S.; Clayson, Carol A.; Wood, E. F.; Sheffield, Justin; Adler, Robert; Huffman, George J.; Bosilovich, Michael G.; Gu, Guojun; Robertson, F. R.; Houser, Paul R.; Chambers, Don P.; Famiglietti, James S.; Fetzer, Eric J.; Liu, W. Timothy; Gao, X.; Schlosser, C. A.; Clark, Edward A.; Lettenmaier, Dennis P.; Hilburn, K. A. (American Meteorological Society, 2015-11-01)
      New objectively balanced observation-based reconstructions of global and continental energy budgets and their seasonal variability are presented that span the golden decade of Earth-observing satellites at the start of the ...
    • The observed state of the water cycle in the early twenty-first century 

      Rodell, Matthew; Beaudoing, Hiroko K.; L’Ecuyer, Tristan S.; Olson, William S.; Famiglietti, James S.; Houser, Paul R.; Adler, Robert; Bosilovich, Michael G.; Clayson, Carol A.; Chambers, Don P.; Clark, Edward A.; Fetzer, Eric J.; Gao, X.; Gu, Guojun; Hilburn, K. A.; Huffman, George J.; Lettenmaier, Dennis P.; Liu, W. Timothy; Robertson, F. R.; Schlosser, C. A.; Sheffield, Justin; Wood, E. F. (American Meteorological Society, 2015-11-01)
      This study quantifies mean annual and monthly fluxes of Earth’s water cycle over continents and ocean basins during the first decade of the millennium. To the extent possible, the flux estimates are based on satellite ...
    • Observed wintertime tidal and subtidal currents over the continental shelf in the northern South China Sea 

      Li, Ruixiang; Chen, Changsheng; Xia, Huayong; Beardsley, Robert C.; Shi, Maochong; Lai, Zhigang; Lin, Huichan; Feng, Yanqing; Liu, Changjian; Xu, Qichun; Ding, Yang; Zhang, Yu (John Wiley & Sons, 2014-08-19)
      Synthesis analyses were performed to examine characteristics of tidal and subtidal currents at eight mooring sites deployed over the northern South China Sea (NSCS) continental shelf in the 2006–2007 and 2009–2010 winters. ...