Results 21 to 30 of about 6,547 (194)

Biodiversity and trophic ecology of hydrothermal vent fauna associated with tubeworm assemblages on the Juan de Fuca Ridge [PDF]

open access: yesBiogeosciences, 2018
Hydrothermal vent sites along the Juan de Fuca Ridge in the north-east Pacific host dense populations of Ridgeia piscesae tubeworms that promote habitat heterogeneity and local diversity.
Y. Lelièvre   +9 more
doaj   +1 more source

Sea-floor tectonics and submarine hydrothermal systems [PDF]

open access: yes, 2005
The discovery of metal-depositing hot springs on the sea floor, and especially their link to chemosynthetic life, was among the most compelling and significant scientific advances of the twentieth century. More than 300 sites of hydrothermal activity and
de Ronde, Cornell D. J.   +2 more
core   +1 more source

Juan de Fuca subduction zone from a mixture of tomography and waveform modeling [PDF]

open access: yes, 2012
Seismic tomography images of the upper mantle structures beneath the Pacific Northwestern United States display a maze of high-velocity anomalies, many of which produce distorted waveforms evident in the USArray observations indicative of the Juan de ...
Chu, Risheng   +2 more
core   +1 more source

Hydrothermal Chimney Distribution on the Endeavour Segment, Juan de Fuca Ridge

open access: yesGeochemistry, Geophysics, Geosystems, 2020
The Endeavour Segment of the Juan de Fuca Ridge is well known for its abundance of hydrothermal vents and chimneys. One‐meter scale multibeam mapping data collected by an autonomous undersea vehicle revealed 572 chimneys along the central 14 km of the ...
David A. Clague   +9 more
doaj   +1 more source

The Electrical Properties of a 2D Conductive Zone underneath the Juan de Fuca Ridge [PDF]

open access: yes, 1998
Vertical gradient electromagnetic sounding (VGS) on the Endeavour segment of Juan de Fuca mid‐ocean ridge reveals the presence of a 2D ridge‐parallel, conductivity anomaly.
Buck   +17 more
core   +1 more source

Cataclysmic hydrothermal venting on the Juan de Fuca Ridge [PDF]

open access: yesNature, 1987
Serial observations of individual submarine hydrothermal vents1 and the mapping of dilute hydrothermal plumes extending far downcurrent from vent fields2–4 indicate a stability of vent field fluid composition and mass flux on at least decadal time scales.
Edward T. Baker   +2 more
openaire   +1 more source

Degassing history of water, sulfur, and carbon in submarine lavas from Kilauea volcano, Hawaii [PDF]

open access: yes, 1991
Major, minor, and dissolved volatile element concentrations were measured in tholeiitic glasses from the submarine portion (Puna Ridge) of the east rift zone of Kilauea Volcano, Hawaii.
Clague, David A.   +2 more
core   +1 more source

The mechanism of tidal triggering of earthquakes at mid-ocean ridges

open access: yesNature Communications, 2019
Tidal triggering of earthquakes at Axial Volcano on the Juan de Fuca ridge is shown to be driven by tidally induced magma chamber inflation. Fitting the data to theory requires that the frictional parameter A be much smaller than laboratory measurements ...
Christopher H. Scholz   +2 more
doaj   +1 more source

Description of Barathricola thermophilus, a new species from a deep-sea hydrothermal vent field in the Indian Ocean with redescription of the Barathricola type species (Crustacea, Copepoda, Cyclopoida) [PDF]

open access: yesZooKeys, 2019
Re-study of the type species of the genus Barathricola Humes, 1999 (Copepoda, Cyclopoida, Schminkepinellidae) described from the Pacific Ocean (Juan de Fuca Ridge), and study of the species Barathricola thermophilus sp. nov.
Viatcheslav N. Ivanenko   +3 more
doaj   +3 more sources

ROV samples vents on Juan de Fuca Ridge

open access: yesEos, Transactions American Geophysical Union, 1993
In 1991, the JASON Remotely Operated Vehicle (ROV) successfully performed high‐resolution imaging within complex vent fields on the northern Juan de Fuca Ridge. From June 22 to July 16, 1992, a team of Canadian and U.S. scientists and engineers joined in an expedition to develop sampling capabilities for a HYSUB 5000 ROV in a mid‐ocean ridge ...
Robert W. Embley, James M. Franklin
openaire   +1 more source

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