RSS 1.0Geology and Geophysics (G&G)
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Scientists in the G&G Department seek knowledge of the structure, composition, and dynamics of the earth’s interior, the origin and evolution of the earth’s crust, controls on ocean and climate change on time scales of decades to 100 million years, and processes of mass and energy transfer at the land-sea interface.
Recent Submissions
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Climate variability, volcanic forcing, and last millennium hydroclimate extremes
(American Meteorological Society, 2018-05-03)Multidecadal hydroclimate variability has been expressed as “megadroughts” (dry periods more severe and prolonged than observed over the twentieth century) and corresponding “megapluvial” wet periods in many regions around ... -
A seismic refraction experiment in the central Banda Sea
(Woods Hole Oceanographic Institution, 1979-02)A seismic refraction experiment in the central Banda Sea is interpreted by using both slope intercept and delay time function methods. The crustal structure is shown to be oceanic, with velocities (4.97, 6.47, 7.18, and ... -
Proceedings of a Workshop on Coastal Zone Research in Massachusetts : (November 27-28, 1978)
(Woods Hole Oceanographic Institution, 1979-04)A workshop on Coastal Zone Research held on 27 and 28 November, 1978, at Woods Hole Oceanographic Institution, brought together fifty researchers actively studying physical processes in the Massachusetts coastal zone ... -
Sulfide enrichment at an oceanic crust-mantle transition zone : Kane Megamullion (23°N, MAR)
(2018-03)The Kane Megamullion oceanic core complex located along the Mid-Atlantic Ridge (23°30′N, 45°20′W) exposes lower crust and upper mantle directly on the ocean floor. We studied chalcophile elements and sulfides in the ... -
The HEBBLE II report : proceedings of the second annual workshop on the High Energy Benthic Boundary Layer Experiment held at the Keystone Center for Continuing Education, March 19-24, 1979
(Woods Hole Oceanographic Institution, 1979-08)In 1978, the first Keystone Conference addressed the scientific problems of sediment transport in a high energy flow such as the Western Boundary Undercurrent. Sedimentologists, physical oceanographers, geologists, optical ... -
Construction of Parflux Mark II sediment trap : engineering report
(Woods Hole Oceanographic Institution, 1979-11)A large, open ocean applicable sediment trap has been developed at the Woods Hole Oceanographic Institution in order to assess the fluxes of particles sinking through the deep water column, under the sponsorship of the ... -
Identification of generic study areas for the disposal of low level radioactive waste : western North Atlantic Ocean
(Woods Hole Oceanographic Institution, 1979-07)There is a growing need to effectively dispose of the low level radioactive waste presently accumulating in the United States. It may be decided to "dump" radioactive contamination products onto the deep sea floor (within ... -
Tectonics of the western Gulf of Oman
(Woods Hole Oceanographic Institution, 1979-12)The Oman line, running northward from the Strait of Hormuz separates a continent‐continent plate boundary to the northwest (Persian Gulf region) from an ocean‐continent plate boundary to the southeast (Gulf of Oman region). ... -
A geophysical survey within the Mesozoic magnitic anomaly sequence south of Bermuda
(Woods Hole Oceanographic Institution, 1979-12)This geophysical survey of an approximate 1° square covers Mesozoic magnetic anomalies M0, M2, and M4 south of Bermuda. Bathymetry, magnetics, seismic reflection profiling, and seismic refraction data are presented. The ... -
Formation of fast-spreading lower oceanic crust as revealed by a new Mg–REE coupled geospeedometer
(Elsevier, 2018-02-12)A new geospeedometer is developed based on the differential closures of Mg and rare earth element (REE) bulk-diffusion between coexisting plagioclase and clinopyroxene. By coupling the two elements with distinct bulk closure ... -
Ecological impacts of the 2015/16 El Niño in the Central Equatorial Pacific
(American Meteorological Society, 2018-03-26) -
High-resolution and high-precision correlation of dark and light layers in the Quaternary hemipelagic sediments of the Japan Sea recovered during IODP Expedition 346
(Springer, 2018-03-26)The Quaternary hemipelagic sediments of the Japan Sea are characterized by centimeter- to decimeter-scale alternation of dark and light clay to silty clay, which are bio-siliceous and/or bio-calcareous to a various degree. ... -
Geochemistry of fluids from Earth’s deepest ridge-crest hot-springs : Piccard hydrothermal field, Mid-Cayman Rise
(Elsevier, 2018-02-13)Hosted in basaltic substrate on the ultra-slow spreading Mid-Cayman Rise, the Piccard hydrothermal field is the deepest currently known seafloor hot-spring (4957–4987 m). Due to its great depth, the Piccard site is an ... -
Microearthquake activity on the Orozco Fracture Zone : preliminary results from Project ROSE
(Woods Hole Oceanographic Institution, 1981-09)We present preliminary hypocenter determinations for 52 earthquakes recorded by a large multiinstitutional network of ocean bottom seismometers and ocean bottom hydrophones in the Orozco Fracture Zone in the eastern ... -
Viscous demagnetization and the longevity of paleomagnetic polarity messages
(Woods Hole Oceanographic Institution, 1981-06)Viscous decay of magnetic polarity messages in rocks is slowed 3- to-6 fold by the reversing nature of the geomagnetic field, compared with the effect expected in a field that is constantly polarized oppositely to the ... -
Acoustic environment of the Hatteras and Nares Abyssal Plains, western North Atlantic Ocean, determined from velocities and physical properties of sediment cores
(Woods Hole Oceanographic Institution, 1981-06)Seventeen piston cores up to 13 m long were recovered from representative acoustic and lithologic environments of the Hatteras and Nares Abyssal Plains in the western North Atlantic. Compressional-wave velocities (corrected ... -
A synthesis of deglacial deep‐sea radiocarbon records and their (in)consistency with modern ocean ventilation
(John Wiley & Sons, 2018-01-08)We present a synthesis of 1,361 deep‐sea radiocarbon data spanning the past 40 kyr and computed (for 14C‐dated records) from the same calibration to atmospheric 14C. The most notable feature in our compilation is a long‐term ... -
Field evaluation of Sea Data directional wave gage : (Model 635-9)
(Woods Hole Oceanographic Institution, 1981-05)A directional wave gage consisting of a two-axis electromagnetic current meter and a pressure sensor, developed by Sea Data Corporation, with modifications specified by the author, was successfully deployed during the ... -
Local seismicity of the Rainbow massif on the Mid‐Atlantic Ridge
(John Wiley & Sons, 2018-01-20)The Rainbow massif, an oceanic core complex located in a nontransform discontinuity on the Mid‐Atlantic Ridge (36°N), is notable for hosting high‐temperature hydrothermal discharge through ultramafic rocks. Here we report ...
