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  • Felsentreger T. L.; Marsh J. G.; Williamson R. G. (1979-08-10)
    An estimation has been made of the principal long‐period spherical harmonic parameters in the representation for the M2 ocean tide from the orbital histories of three satellites: 1967–92A (Transit), Starlette, and Geos 3. ...
  • Weisberg R. H.; Halpern D.; Tang T. Y.; Hwang S. M. (1987-04-15)
    Current meter measurements recorded over the water column at 10 depths ranging from 20 m to 3027 m using surface and subsurface moorings near 0°, 110°W are analyzed for the M2 tidal current over a 10‐month sampling interval. ...
  • Bowman Malcolm J.; Kibblewhite Alick C.; Ash David E. (1980-05-20)
    The application of an M2 nonlinear numerical tidal model to the shelf seas of central New Zealand (∼38,500 km2 area) is described. It has provided a preliminary assessment of tidal and residual currents, bottom stress, ...
  • Paillard Didier; Labeyrie Laurent; Yiou Pascal (1996-09-24)
    A Macintosh computer program that can perform many time‐series analysis procedures is now available on the Internet free of charge. Although AnalySeries was originally designed for paleoclimatic time series, it can be ...
  • Romanowicz Barbara; Ekstrom Goran (1989-07-11)
    We read with great interest the news report in Eos (June 16, 1989) on the very large Macquarie earthquake of May 23, 1989, which left U.S. scientists divided as to whether this earthquake was of strike slip or thrust type ...
  • Desbarats Alexandre J. (1990-01)
    Macrodispersion in sand‐shale sequences is investigated by a series of numerical tracer tests. Hydraulic conductivity is modeled as a binary, spatially correlated random function. Realizations of the random conductivity ...
  • Zhan Hongbin; Wheatcraft Stephen W. (1996-12)
    Using spectral stochastic theory, macrodispersivity tensors are developed for one‐, two‐, and three‐dimensional isotropic and anisotropic fractal porous media. Since natural geologic aquifers are always bounded, we introduce ...
  • Beven Keith; Germann Peter (1982-10)
    This paper reviews the importance of large continuous openings (macropores) on water flow in soils. The presence of macropores may lead to spatial concentrations of water flow through unsaturated soil that will not be ...
  • White I.; Sully M. J. (1987-08)
    Estimates of characteristic times to approach steady state flow in multidimensional infiltration in the landscape depend on the magnitude and character of the capillary length scale λc and the associated capillary time ...
  • Namias Jerome (1965-05-15)
    Two methods for estimating mean monthly anomalies of sea‐surface temperature from contemporaneous patterns of mean‐sea‐level pressure were evaluated for the eastern North Pacific. One method involves the computation of ...
  • Ioannidis Marios A.; Chatzis Ioannis; Dullien Francis A. L. (1996-11)
    Percolation theory, commonly used to study quasi‐static immiscible displacement at the microscopic scale, is here extended to simulations of gravity‐stable drainage and imbibition in three‐dimensional porous media with ...
  • Rostoker Gordon (1968-07-01)
    Evidence is presented that suggests that geomagnetic bay disturbances occur in two stages. The onset of each stage is accompanied by a Pi 2 micropulsation; the fact that a Pi 2 occurs almost synchronously over the earth's ...
  • Anonymous (1990-08-21)
    The Magellan spacecraft was set to conduct the first tests of its synthetic aperture radar system on August 16 after settling into a near‐perfect orbit upon its arrival at Venus on August 10. If the tests are successful, ...
  • Dale‐Bannister Mary A.; Arvidson Raymond E. (1991-11-05)
    This report summarizes the availability of the Magellan data sets archived by the Planetary Data System Geosciences Node and outlines the charter and duties of the Node. Additional notes will be published in Eos as data ...
  • Simarski Lynn Teo (1991-07-23)
    Data from the Magellan spacecraft's radar imaging of Venus should begin flowing to “very thirsty” planetary researchers soon, according to a number of scientists inside and outside NASA. Some researchers have criticized ...
  • Simarski Lynn Teo (1992-01-21)
    NASA plans to put Magellan back to work mapping Venus on January 24, using a backup transponder to transmit radar data back to Earth. The spacecraft's primary transponder failed January 4. At this point, the backup unit ...
  • Weitz Catherine M.; Basilevsky Alexander T. (1993-09-25)
    Geologic maps have been produced for each of the seven Venera/Vega landing sites on Venus. The dominant terrain identified at all the sites is plains. The sites contain minor amounts of complex ridge terrain (CRT), complex ...
  • Simarski Lynn Teo (1992-10-20)
    NASA has informed scientists on the Magellan project that there is a limit to which the spacecraft can plumb the depths of Venus. In September, the Solar System Exploration Division reaffirmed its decision to stop Magellan's ...
  • Cole Stephen (1991-10-01)
    What initially appeared to be a remarkable discovery by NASA's Magellan radar mapping mission—direct visual evidence of active tectonics on Venus—may actually have been distortion in the data and not an actual change on ...
  • Wiggins Chris; Spiegelman Marc (1995-05-15)
    Numerical studies of fluid flow in the mantle suggest that magma migration is an inherently time‐dependent process that produces magmatic solitary waves from obstructions in melt flux. Previous work has considered one and ...