Results 221 to 230 of about 51,259 (279)

Widespread abyssal turbidites record megathrust earthquake-triggered landslides and coseismic deformation in the Cascadia subduction zone. [PDF]

Sci Adv
Hill JC, Watt JT, Paull CK, Caress DW, Brothers DS, Arizmendi K, Gwiazda R, Kluesner J, Lundsten E, Nieminski NM, Padgett JS, Paduan JB, Snyder G.   +12 more
europepmc   +1 more source

Experimental evidence supporting a long-lived magma layer at the Martian core–mantle boundary

Pierru R, Gréaux S, Dominijanni S, Man L, Kono Y, Kakizawa S, Higo Y, Badro J, Frost D, Antonangeli D.   +9 more
europepmc   +1 more source

Pitfalls and opportunities in estimating the volumes of small, young submarine landslides

Urlaub M, Sager TF, Berndt C.
europepmc   +1 more source

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Multicomponent high-resolution seismic reflection profiling

The Leading Edge, 2009
Multicomponent seismic reflection methods are a new tool for oil and gas exploration and reservoir monitoring (Miles 1988), but such technologies have not yet been extensively exploited for near-surface exploration related to hydrogeological and/or geotechnical investigations.
Andre J.-M. Pugin, Susan E. Pullan, James A. Hunter   +2 more
openaire   +1 more source

Interpretation of Marine High Resolution Shallow Seismic Profile

2009 International Forum on Computer Science-Technology and Applications, 2009
This paper studies the interpretation of high-resolution shallow seismic profile. Firstly, it is necessary to do some indoor fine processing to get a high quality profile, such as adaptive filtering, true amplitude recovery, tides differences and so on, especially the processes to remove the multiple waves.
Tong Siyou, Guo Lei, Liu Huaishan, Yin Yanxin, Zhang Jin, Wang Shuhua   +5 more
openaire   +1 more source

High resolution seismic profiles from Lake Malawi, Africa

Journal of African Earth Sciences (and the Middle East), 1989
Abstract Over 5000 km of high resolution seismic (HRS) profiles have been obtained from Lake Malawi. These can be classified as Type I, II or III, depending on whether the lake floor reflector is weak, intermediate or strong, respectively. Type I profiles typically have thick, acoustically transparent sediment and are most widespread in the offshore ...
Thomas C. Johnson, Thomas W. Davis
openaire   +1 more source

Onshore high‐resolution seismic profiling applied to sedimentology

GEOPHYSICS, 1988
High‐resolution seismic profiling is a valuable method for the exploration of the shallow subsurface. Currently, a resolution of 0.5 m can be attained. This resolution is sufficient to recognize small sedimentary features (channels, dunes, linear ridges, etc.) and to reconstruct the environment of deposition, The surveys described in this paper were ...
P. Jongerius, K. Helbig
openaire   +1 more source

High Resolution Seismic Reflection Profiling At Aberdeen Proving Grounds, Maryland

9th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems, 1996
The effectiveness of shallow high resolution ‘seismic reflection (i.e., resolution potential) to image geologic interfaces between about 70 and 750 ft at the Aberdeen Proving Grounds, Maryland (APG), appears to vary locally with the geometric complexity of the unconsolidated sediments that overlay crystalline bedrock.
Richard D. Miller, Jianghai Xia, Stanley Swartzel, Jose Llopis, Paul Miller   +4 more
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Source Heave Compensation for High Resolution Marine Seismic Profiling

OCEANS '80, 1980
In this paper several compensation schemes for removal of acoustic source heave affects from the seismic echo signal are described and examined. A new compensation method is proposed, in which heave distortion is continuously corrected, irrespective of towing height.
A. Zielinski, W. Vetter
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Reservoir Characterization Applying High‐Resolution Seismic Profiling, Rabis Creek, Denmark

Groundwater, 1993
Abstract Onshore reflection seismics have been used to characterize the geometry and lithology of ground‐water reservoirs. The study was carried out as a seismic sequence and facies analysis along Rabis Creek in western Denmark. A1350 m long seismic section was produced on a presumed homogeneous outwash sand plain.
Henrik Olsen, Garsten Ploug, Uffe Nielsen, Kurt Sorensen   +3 more
openaire   +1 more source