Ocean bottom (Maritime law)
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 ...
14
P192 Field Trial of a Fibre Optic Ocean Bottom Seismic System
... A multi-component fibre-optic seismic acquisition system has been developed and qualified as a joint venture project between Optoplan AS and Statoil ASA. The seismic sensors are fully based on fibre-optic sensor ...
5
Relationship between pressure variations at the ocean bottom and the acceleration of its motion during a submarine earthquake
... the ocean bottom to near‑bottom pressure variations For theoretical analysis of the properties of a pressure field induced in the ocean by the ocean bottom undergo- ing seismic ...
13
Aftershock observation of the Noto Hanto earthquake in 2007 using ocean bottom seismometers
... type ocean bottom seismometers (OBSs) from April 5 to May 8, ...ten ocean bottom and four onshore seismic stations located around the rupture area of the earthquake and determined the ...
6
The Observed North Atlantic Meridional Overturning Circulation: Its Meridional Coherence and Ocean Bottom Pressure
... of ocean bottom pressure (OBP) relative to and below 1000 m on the continental slope of the western boundary at three nominal latitudes (26 8 , 39 8 , and ...
21
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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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 ...
6
ENSO-correlated fluctuations in ocean bottom pressure and wind-stress curl in the North Pacific
... observations, ocean bottom pressure from a model and GRACE, we conclude that while there is significant in- terannual variability in wind-stress curl that drives OBP vari- ations in the sub-polar gyre, only ...
8
Evaluations of an ocean bottom electro-magnetometer and preliminary results offshore NE Taiwan
... Localized microearthquakes affected the disturbances of the magnetic field and inclinations in this study. Therefore, to improve the efficacy of marine geophysical explorations, a platform for multiple underwater ...
12
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 ...
11
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 ...
6
Ocean bottom deformation due to present day mass redistribution and its impact on sea level observations
... We have quantified the effect of present-day mass loss on elastic ocean bottom deformation, which results in differences between global and basin mean relative and geocentric sea level changes. This difference ...
9
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 ...
22
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 ...
9
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 ...
6
The NTHMP Tsunameter Network
... Next-generation tsunameter design features include extended maintenance intervals of 2 years for the surface buoy and 4 years for the ocean bottom unit, and two-way communication via Iridium satellite ...
15
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] ...
219
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 ...
6
chapter3.ppt
... – age of crust, as determined by samples drilled from the ocean bottom, increases with. distance from a ridge.[r] ...
58
The influence of bottom topography on long Rossby wave propagation in the South Pacific Ocean
... This study has examined the long wavelength, westward propagating, baroclinic Rossby wave signal from 10 years of filtered, westward propagating only, sea level anoma- lies in the South Pacific Ocean. Application ...
5