Ocean Bottom
Precise aftershock distribution of the 2007 Chuetsu oki Earthquake obtained by using an ocean bottom seismometer network
... Fig. 1. Location map of ocean bottom seismometers and land seismic stations used for this study. Bathymetric contours indicate water depths of 100, 200, 500, and 1000 m. Circles indicate the positions of ...
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Aftershock observation of the 2003 Tokachi oki earthquake by using dense ocean bottom seismometer network
... Four days after the mainshock, we started an aftershock observation using pop-up type OBSs in order to obtain the detailed aftershock activity of the 2003 Tokachi-oki earth- quake. In the middle of the observation ...
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Ocean bottom deformation due to present day mass redistribution and its impact on sea level observations
... full ocean, they observe global ocean volume ...whole ocean, and local ver- tical land motion (VLM) unrelated to large-scale sea level processes affects the observations, and therefore, correcting ...
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Temperature correction and usefulness of ocean bottom pressure data from cabled seafloor observatories around Japan for analyses of tsunamis, ocean tides, and low frequency geophysical phenomena
... Pressure sensor units for oceanographic applications have been employed since the late 1960’s (e.g., Munk and Zetler, 1967). Various types of pressure transducers have been investigated for obtaining high-quality ...
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Relationship between pressure variations at the ocean bottom and the acceleration of its motion during a submarine earthquake
... one ocean depth, the pressure amplitude is reduced by approximately one order of ...the ocean bottom effectively registers pressure variations, due to bottom oscillations, within a radius that ...
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Evaluations of an ocean bottom electro-magnetometer and preliminary results offshore NE Taiwan
... of ocean bottom seis- mographs (OBSs) was developed by the Institute of Earth Sciences, Academia Sinica (IES), Taiwan Ocean Institute, National Applied Research Laboratories, and the Institute of ...
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Urgent aftershock observation of the 2004 off the Kii Peninsula earthquake using ocean bottom seismometers
... The 2004 off the Kii Peninsula earthquake occurred on September 5, 2004. Knowing the precise aftershock distribution is important for understanding the mechanism of this earthquake. However, the hypocenter of the main ...
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Offshore seismicity in the western Marmara Sea, Turkey, revealed by ocean bottom observation
... three ocean bottom seismographs (OBSs) over a period of 3 months in 2014 to investigate the relationship of fault geometry to microseismicity under the western Marmara Sea in ...
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A study on correction equations for the effect of seafloor topography on ocean bottom magnetotelluric data
... Consideration of the effect of seafloor topography on ocean bottom magnetotelluric data is needed to estimate a reliable resistivity structure. Selection of the correction equation which precisely takes ...
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Aftershock observation of the Noto Hanto earthquake in 2007 using ocean bottom seismometers
... an ocean bottom seismographic observation in a collaborative effort by three universities in Japan to reveal the aftershock activity of the 2007 Noto Hanto earthquake ...
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ENSO-correlated fluctuations in ocean bottom pressure and wind-stress curl in the North Pacific
... an ocean model forced by ECMWF winds to study the theoretical relationship be- tween wind-induced changes in ocean bottom pressure in the North Pacific between 1992 until 2010 and ...and ocean ...
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Aftershock observation of the 2011 off the Pacific coast of Tohoku Earthquake by using ocean bottom seismometer network
... The 2011 off the Pacific coast of Tohoku Earthquake occurred offshore of northeast Japan region on March 11th, 2011. In order to study the aftershock activity of this event, we started deployment of seventy-two ...
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The GITEWS ocean bottom sensor packages
... DART® bottom sensor packages record ocean bottom pressure, perform on- board tsunami detection and acoustically relay the data to the surface ...
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The Observed North Atlantic Meridional Overturning Circulation: Its Meridional Coherence and Ocean Bottom Pressure
... real ocean, Hughes et ...monitoring ocean bottom pressure (OBP) on basin ...an ocean global circulation model (OGCM) by comparing transports computed di- rectly from velocities and from ...
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Aftershock distribution of the 26 December 2004 Sumatra Andaman earthquake from ocean bottom seismographic observation
... Therefore, it is of great importance to observe seismic ac- tivity closely soon after a large earthquake to unveil the ge- ometry and dynamics of the subducting plate in and around the rupture area. According to the ...
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Multi index method using offshore ocean bottom pressure data for real time tsunami forecast
... real-time ocean- bottom hydrostatic pressure data that are expected to be obtained by the Seafloor Observation Network for Earthquakes and Tsunamis (S-net) (Uehira et ...
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Continuous seismic monitoring of Nishinoshima volcano, Izu Ogasawara, by using long term ocean bottom seismometers
... Nishinoshima in Izu-Ogasawara started erupting in November 2013, and the island size increased. Continuous monitoring is important for study of the formation process. Since it is difficult to make continuous observations ...
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Towards measuring the meridional overturning circulation from space
... Parallel Ocean Climate Model, we simulate satellite observations of ocean bottom pressure and sea surface height (SSH) over the 20-year period from 1979–1998, and use a linear model to estimate the ...
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The two dimensional electric conductivity structure of the Southeast Australian continental margin
... Abbreviatio n 1\i1eaning GCE Geomagnet ic Coast Effect MV Niagnetovar iational ENI Electromag netic MT Magnetotel luric OEM Ocean Bottom Niagnetome ter OBE Ocean Botto1n Electron1ete r C[r] ...
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chapter3.ppt
... – age of crust, as determined by samples drilled from the ocean bottom, increases with. distance from a ridge.[r] ...
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