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Flux measurements of explosive degassing using a yearlong hydroacoustic record at an erupting submarine volcano

Creator:: Dziak, R. P., Baker, E. T., Shaw, A. M., Bohnenstiehl, D. R., Chadwick, W. W., Jr., Haxel, J. H., Matsumoto, H., and Walker, S. L.
Abstract:: The output of gas and tephra from volcanoes is an inherently disorganized process that makes reliable flux estimates challenging to obtain. Continuous monitoring of gas flux has been achieved in only a few instances at subaerial volcanoes, but never for submarine volcanoes. Here we use the first sustained (yearlong) hydroacoustic...
Resource Type:: Article
Full Text:: 13, Number 1 29 November 2012 Q0AF07, doi:10.1029/2012GC004211 ISSN: 1525-2027 Flux measurements

Volcanic Eruptions in the Deep Sea

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...
Resource Type:: Article

Hydroacoustic monitoring of oceanic spreading centers: Past, present, and future

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...
Resource Type:: Article
Full Text:: , Juan de Fuca Ridge. Geophysical Research Letters 22(2):147–150, http://dx.doi.org/10.1029/94GL02403

Submarine landslide triggered by volcanic eruption recorded by in situ hydrophone

Creator:: Chadwick, W.W. Jr., Dziak, R.P., Haxel, J.H., Embley, R.W., and Matsumoto, H.
Abstract:: NW Rota-1 is a submarine volcano in the Mariana volcanic arc that is notable as the site where underwater explosive eruptions were first witnessed in A. D. 2004. After years of continuous low-level eruptive activity, a major landslide occurred at NW Rota-1 in August 2009, triggered by an unusually large...
Resource Type:: Article
Full Text:: - periments: Journal of Geophysical Research, v. 110, B02205, doi:10.1029/2004JB003166. Bohnenstiehl, D.R

Hydrothermal activity in the Northwest Lau Backarc Basin: Evidence from water column measurements

Creator:: Lupton, J. E., Arculus, R. J., Resing, J., Massoth, G. J., Greene, R. R., Evans, L. J., and Buck, N.
Abstract:: The Northwest Lau Backarc Basin, consisting of the Northwest Lau Spreading Center (NWLSC) and the Rochambeau Rifts (RR), is unique in having elevated ³He/⁴He ratios (up to 28 R[subscript a]) in the erupted lavas, clearly indicating a hot spot or ocean island basalt (OIB)-type signature. This OIB-type helium signature does...
Resource Type:: Article
Full Text:: : Evidence from water column measurements Article Volume 13, Number 1 31 May 2012 Q0AF04, doi:10.1029

Hydrothermal Discharge During Submarine Eruptions

Creator:: Baker, Edward T., Chadwick, Wi l l iam W. Jr., Cowen, James P., Dziak, Robert P., Rubin, Kenneth H., and Fornari, Daniel J.
Abstract:: Submarine volcanic eruptions and intrusions construct new oceanic crust and build long chains of volcanic islands and vast submarine plateaus. Magmatic events are a primary agent for the transfer of heat, chemicals, and even microbes from the crust to the ocean, but the processes that control these transfers are poorly...
Resource Type:: Article
Full Text:: , http://dx.doi.org/10.1029/1999GL002331. Baker, E.T., J.W. Lavelle, R.A. Feely, G.J. Massoth, S.L

Spatiotemporal distribution of the seismicity along the Mid-Atlantic Ridge north of the Azores from hydroacoustic data: Insights into seismogenic processes in a ridge-hot spot context

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...
Resource Type:: Article
Full Text:: –hot spot context Article Volume 13, Number 2 24 February 2012 Q02010, doi:10.1029/2011GC003828

Acoustics variability of air gun signals recorded at intermediate ranges within the Lau Basin

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...
Resource Type:: Article
Full Text:: Q11013, doi:10.1029/2012GC004337 ISSN: 1525-2027 Acoustics variability of air gun signals recorded at

A comparative analysis of coastal and shelf-slope copepod communities in the northern California Current system: Synchronized response to large-scale forcing?

Creator:: Bi, Hongsheng, Peterson, William T., Peterson, Jay O., and Fisher, Jennifer L.
Abstract:: The synchrony between coastal and shelf-slope copepod communities was investigated in the northern California Current (NCC) system, a strong upwelling zone, using time series of zooplankton sampled from a nearshore station (9 km offshore, water depth 62 m) and a shelf-slope station (46 km offshore, water depth 297 m). Long-term...
Resource Type:: Article
Full Text:: season. J. Geophys. Res. 110: C10S02, doi:10.1029/2004JC002653 BARNETT, A. M., AND A. D. JAHN. 1987

The relationships between predatory fish, forage fishes, and juvenile salmonid marine survival off the Columbia River: a simple trophic model analysis

Creator:: Emmett, Robert L. and Sampson, David B.
Abstract:: A trophic model that simulates interactions between a predatory fish (Pacific hake, Merluccius productus), forage fish, and juvenile salmon off the Columbia River was constructed to identify if trophic interactions could account for marine mortality of Columbia River juvenile salmon. The model estimates the number of juvenile salmon that are...
Resource Type:: Research Paper
Full Text:: , doi:10.1029/2006GL026614. Cartes, J. E., J. Rey, D. Lloris, and L. Gil de Sola. 2004. Influence of

ScholarsArchive@OSU

Flux measurements of explosive degassing using a yearlong hydroacoustic record at an erupting submarine volcano

Volcanic Eruptions in the Deep Sea

Hydroacoustic monitoring of oceanic spreading centers: Past, present, and future

Submarine landslide triggered by volcanic eruption recorded by in situ hydrophone

Hydrothermal activity in the Northwest Lau Backarc Basin: Evidence from water column measurements

Hydrothermal Discharge During Submarine Eruptions

Spatiotemporal distribution of the seismicity along the Mid-Atlantic Ridge north of the Azores from hydroacoustic data: Insights into seismogenic processes in a ridge-hot spot context

Acoustics variability of air gun signals recorded at intermediate ranges within the Lau Basin

A comparative analysis of coastal and shelf-slope copepod communities in the northern California Current system: Synchronized response to large-scale forcing?

The relationships between predatory fish, forage fishes, and juvenile salmonid marine survival off the Columbia River: a simple trophic model analysis

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