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Creator:: Dziak, Robert P., Bohnenstiehl, Delwayne R., and Smith, Deborah K.
Abstract:: Mid-ocean ridge volcanism and extensional faulting are the fundamental processes that lead to the creation and rifting of oceanic crust, yet these events go largely undetected in the deep ocean. Currently, the only means available to observe seafloor-spreading events in real time is via the remote detection of the seismicity...
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Full Text:: O c e a N i c S p r e a d i N g c e N t e r p r O c e S S e S | ridge 2000 p r O g r a m r e S

Creator:: Bohnenstiehl, DelWayne R., Dziak, Robert P., Matsumoto, Haru, and Lau, T.-K. Andy
Abstract:: A network of autonomous underwater hydrophones is used to monitor acoustic activity associated with Hunga Ha'apai-Hunga Tonga volcano during a period of 15 months. The data provide a continuous record spanning a surtseyan eruption (VEI 2) in March of 2009, which input ~10¹³ J of acoustic energy into the ocean...
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Full Text:: Research j ourna l homepage: www.e lsev ie r .com/ locate / jvo lgeores Underwater acoustic records from

Creator:: Bohnenstiehl, DelWayne R., Scheip, Corey M., Matsumoto, Haru, and Dziak, Robert P.
Abstract:: During January–February 2009, an active-source seismic survey was performed over the Eastern Lau Spreading Center in the Lau Back-Arc Basin (21°S, 176°S). Acoustic signals generated by the R/V Langseth's 36-gun pneumatic source array were recorded within the deep sound channel at offsets of 29–416 km. The local ocean acoustic environment...
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Full Text:: intermediate ranges within the Lau Basin DelWayne R. Bohnenstiehl and Corey M. Scheip Department of Marine

Creator:: Goslin, J., Perrot, J., Royer, J. -Y., Martin, C., Lourenco, N., Luis, J., Dziak, R. P., Matsumoto, H., Haxel, J., Fowler, M. J., Fox, C. G., Lau, A. T. -K., and Bazin, S.
Abstract:: The seismicity of the North Atlantic was monitored from May 2002 to September 2003 by the ‘SIRENA array’ of autonomous hydrophones. The hydroacoustic signals provide a unique data set documenting numerous low-magnitude earthquakes along the section of the Mid-Atlantic Ridge (MAR) located in a ridge-hot spot interaction context. During the...
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Full Text:: . Goslin, J. Perrot, J.-Y. Royer, and C. Martin Domaines Océaniques, UMR 6538, Université Européenne de

Creator:: Rubin, Kenneth H., Soule, S. Adam, Chadwick, William W., Jr., Fornari, Daniel J., Clague, David A., Embley, Robert W., Baker, Edward T., Perfit, Michael R., Caress, David W., and Dziak, Robert P.
Abstract:: Volcanic eruptions are important events in Earth’s cycle of magma generation and crustal construction. Over durations of hours to years, eruptions produce new deposits of lava and/or fragmentary ejecta, transfer heat and magmatic volatiles from Earth’s interior to the overlying air or seawater, and significantly modify the landscape and perturb...
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Full Text:: Oceanography | Vol. 25, No. 1142 O c e a N i c S p r e a d i N g c e N t e r p r O c e S S e S | ridge

Creator:: Bjorkstedt, Eric P., Goericke, Ralf, McClatchie, Sam, Weber, Ed, Watson, William, Lo, Nancy, Peterson, William T., Brodeur, Richard D., Auth, Toby, Fisher, Jennifer, Morgan, Cheryl, Peterson, Jay, Largier, John, Bograd, Steven J., Durazo, Reginaldo, Gaxiola-Castro, Gilberto, Lavaniegos, Bertha, Chavez, Francisco P., Collins, Curtis A., Hannah, Bob, Field, John, Sakuma, Keith, Satterthwaite, Will, O'Farrell, Michael, Hayes, Sean, Harding, Jeff, Sydeman, William J., Thompson, Sarah Ann, Warzybok, Pete, Bradley, Russell, Jahncke, Jaime, Golightly, Richard T., Schneider, Stephanie R., Suryan, Robert M., Gladics, Amanda J., Horton, Cheryl A., Kim, Sung Yong, Melin, Sharon R., DeLong, Robert L., and Abell, Jeffrey
Abstract:: The state of the California Current System (CCS) since spring 2011 has evolved in response to dissipation of La Niña through spring and summer, resurgence of cooler La Niña conditions in fall and winter, and finally a transition towards ENSO-neutral conditions in spring 2012. The resurgence of La Niña was...
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Full Text:: diego 9500 Gilman drive, la jolla, cA 92093-0205 sHAroN r. MEliN, roBErt l. dEloNG National

Creator:: McDonald, Lyman L., Bilby, Robert, Bisson, Peter A., Coutant, Charles C., Epifanio, John M., Goodman, Daniel, Hanna, Susan S., Huntly, Nancy, Merrill, Erik, Riddell, Brian, Liss, William, Loudenslager, Eric J., Philipp, David P., Smoker, William, Whitney, Richard R., and Williams, Richard N.
Abstract:: El ano 2006 representa en dos sentidos una fecha critica para la cuenca del Rio Columbia y para los esfuerzos de recuperacion del salmon y la trucha arcoiris en la region Pacifico Noroeste: el 25 aniversario de la creacion del Consejo para la Conservacion y Poder del Noroeste y el...
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Full Text:: . McDonald, Robert Bilby, Peter A. Bisson, Charles C. Coutant, John M. Epifanio, Daniel Goodman

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