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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The diversity of sulfide oxidation and sulfate reduction genes expressed by the bacterial communities of the Cariaco Basin, Venezuela
(Bentham Open, 2016-08-31)Qualitative expression of dissimilative sulfite reductase (dsrA), a key gene in sulfate reduction, and sulfide:quinone oxidoreductase (sqr), a key gene in sulfide oxidation was investigated. Neither of the two could be ... -
Crustal magnetization and the subseafloor structure of the ASHES vent field, Axial Seamount, Juan de Fuca Ridge : implications for the investigation of hydrothermal sites
(John Wiley & Sons, 2016-06-24)High-resolution geophysical data have been collected using the Autonomous Underwater Vehicle (AUV) Sentry over the ASHES (Axial Seamount Hydrothermal Emission Study) high-temperature (~348°C) vent field at Axial Seamount, ... -
Characterization of the in situ magnetic architecture of oceanic crust (Hess Deep) using near-source vector magnetic data
(John Wiley & Sons, 2016-06-16)Marine magnetic anomalies are a powerful tool for detecting geomagnetic polarity reversals, lithological boundaries, topographic contrasts, and alteration fronts in the oceanic lithosphere. Our aim here is to detect ... -
Investigation of a marine magnetic polarity reversal boundary in cross section at the northern boundary of the Kane Megamullion, Mid-Atlantic Ridge, 23°40′N
(John Wiley & Sons, 2016-05-12)Near-bottom magnetic field measurements made by the submersible Nautile during the 1992 Kanaut Expedition define the cross-sectional geometry of magnetic polarity reversal boundaries and the vertical variation of crustal ... -
Little Ice Age climate in the Western Tropical Atlantic inferred from coral geochemical proxies
(Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2016-09)Paleoclimate archives place the short instrumental record of climate variability in a longer temporal context and allow better understanding of the rate, nature and extent by which anthropogenic warming will i ... -
Lithospheric shear velocity structure of South Island, New Zealand, from amphibious Rayleigh wave tomography
(John Wiley & Sons, 2016-05-23)We present a crust and mantle 3-D shear velocity model extending well offshore of New Zealand's South Island, imaging the lithosphere beneath the South Island as well as the Campbell and Challenger Plateaus. Our model is ... -
Holocene palaeoenvironmental evolution of the Ebro Delta (Western Mediterranean Sea) : evidence for an early construction based on the benthic foraminiferal record
(2015-05)Major Mediterranean deltas began to develop during a period between 8000 and 6000 yr BP when the rate of fluvial sediment input overtook the declining rate of sea-level rise. However, different authors have argued that ... -
Subseafloor microbial communities in hydrogen-rich vent fluids from hydrothermal systems along the Mid-Cayman Rise
(John Wiley & Sons, 2016-01-21)Warm fluids emanating from hydrothermal vents can be used as windows into the rocky subseafloor habitat and its resident microbial community. Two new vent systems on the Mid-Cayman Rise each exhibits novel geologic settings ... -
Magmatic and tectonic extension at the Chile Ridge : evidence for mantle controls on ridge segmentation
(John Wiley & Sons, 2016-06-24)We use data from an extensive multibeam bathymetry survey of the Chile Ridge to study tectonomagmatic processes at the ridge axis. Specifically, we investigate how abyssal hills evolve from axial faults, how variations in ... -
Two year time-series fluxes of Silicoflagellates and Actiniscus : size fractioned results from subarctic Pacific Station Papa, 1982-1984
(Woods Hole Oceanographic Institution, 1985-12)A seasonal flux study of silicoflagellates and Actiniscus was conducted at subarctic Pacific Station PAPA (50°N, 145°W; water depth 4200 m) during September, 1982 through August, 1984 using PARFLUX time series sediment traps ... -
Pelagic diatom fluxes I : size fractioned time-series results from subarctic Pacific Station Papa during 1982-1983
(Woods Hole Oceanographic Institution, 1985-12)A time series vertical flux assessment of pelagic diatoms was conducted during September, 1982 through September, 1983 at subarctic Pacific Station PAPA (50°N, 145°W; water depth 4200 m) using PARFLUX sediment traps ... -
In-situ measurement of thermal conductivity using the continuous-heating line source method and WHOI outrigged probe
(Woods Hole Oceanographic Institution, 1985-08)The outrigged thermal probes of a "pogo" marine geothermal probe have been adapted to measure thermal conductivity in-situ by the continuous-heating line source technique. The instrumental uncertainty in applying the ... -
Listing of foraminiferal δ18O and δ13C in cores off Southern California
(Woods Hole Oceanographic Institution, 1985-07)This report includes 6 tables of stable isotope data on 4 species of benthic and 2 species of planktonic foraminifera in 16 piston cores from basins off southern California. -
International marine science research projects : inventory and analysis of selected projects at Sea Grant institutions, 1985
(Woods Hole Oceanographic Institution, 1985-07)The U.S. marine scientific community continues to show an interest in marine research within foreign Exclusive Economic Zones and with foreign scientists and institutions, in spite of the problems, regulations, and increased ... -
Formation of the Isthmus of Panama
(American Association for the Advancement of Science, 2016-08-17)The formation of the Isthmus of Panama stands as one of the greatest natural events of the Cenozoic, driving profound biotic transformations on land and in the oceans. Some recent studies suggest that the Isthmus formed ... -
Metatranscriptional response of chemoautotrophic Ifremeria nautilei endosymbionts to differing sulfur regimes
(Frontiers Media, 2016-07-19)Endosymbioses between animals and chemoautotrophic bacteria are ubiquitous at hydrothermal vents. These environments are distinguished by high physico-chemical variability, yet we know little about how these symbioses ... -
Abyssal sediment waves in the Amirante Passage, western Indian Ocean
(Woods Hole Oceanographic Institution, 1977-02)The deep western boundary current (DWBC) of the Indian Ocean flows northward along the western margin of the Mascarene Basin, and is funneled through a narrow passage (near 09°S, 52°E) prior to entering the Somali Basin ... -
Cruise data report, R/V Atlantis II 93 Leg 7
(Woods Hole Oceanographic Institution, 1978-04)The R/V ATLANTIS II Cruise 93 Leg 7 left Port Louis, Mauritius, 8 April 1976 on a 29 day geophysical and geological survey in the Mascarene and Somali Basins in the Western Indian Ocean. Table 1 lists the members of ... -
North Atlantic ocean circulation and abrupt climate change during the last glaciation
(2016-05-21)The most recent ice age was characterized by rapid and hemispherically asynchronous climate oscillations, whose origin remains unresolved. Variations in oceanic meridional heat transport may contribute to these repeated ... -
Geochemical evidence in the northeast Lau Basin for subduction of the Cook-Austral volcanic chain in the Tonga Trench
(John Wiley & Sons, 2016-05-13)Lau Basin basalts host an array of geochemical signatures that suggest incorporation of enriched mantle source material often associated with intraplate hotspots, but the origin of these signatures remain uncertain. ...
