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The AAPG/Datapages Combined Publications Database

Showing 11,294 Results. Searched 196,763 documents.

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Sub-seafloor reflectivity estimation by upgoing wavefield deconvolution

Hassan Masoomzadeh, Tim Seher, M. A. H. Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., for the purpose of simplicity some effects including energy partitioning, turning waves, head waves, converted waves, guided waves and Scholte waves...

2023

Antidunes in the Mount Toby Conglomerate (Triassic), Massachusetts

Bryce M. Hand , James M. Wessel, Miles O. Hayes

Journal of Sedimentary Research (SEPM)

...), Nineteen consecutive sand waves, interpreted as antidunes, occur on an exposed bedding surface of granule conglomerate within the Mount Toby...

1969

New Jersey Continental Shelf Near Bottom Current Meter Records and Recent Sediment Activity

Charles E. McClennen

Journal of Sedimentary Research (SEPM)

...: Deep Sea Research, v. 16, p. 17-23. CACCHIONE, DANIEL A., 1970, Experimental study of internal gravity waves over a slope: Unpub. Ph.D. thesis, Mass...

1973

Sedimentology of a modern point bar at raven camp on the Red River, central Louisiana

Brian E. Lock , Catherine E. Bishop

GCAGS Transactions

..., they expose a variety of sedimentary structures, dominated by sand waves over most of the bar surface. At the downstream end of the bar, where...

1991

Wave Climate Effects Upon Changing Barrier Island Morphology, Kouchibouguac Bay, New Brunswick

Edward Bryant

Atlantic Geology

... of a specific wave period and direction. Although these latter waves may have a random effect on the barrier during any one storm, on a cumulative basis...

1978

Concentration of Magnetite and Gold at Bar and Reach Scales in a Gravel-Bed Stream, British Columbia, Canada

S. J. Day, W. K. Fletcher

Journal of Sedimentary Research (SEPM)

... of enrichment below about 50 µm. 3) The effect of changing channel slope on heavy-mineral enrichments in bar-head gravels. Within the limits of this study...

1991

Abstract: Effect of Lime on Permeability and Microstructure of Soil

Baba Musta, Khairul Anuar Kassim, Mohd. Razman Salim

Geological Society of Malaysia (GSM)

...Abstract: Effect of Lime on Permeability and Microstructure of Soil Baba Musta, Khairul Anuar Kassim, Mohd. Razman Salim 118 Effect of lime...

2002

Bed Configurations

Gerard Middleton, John B. Southard

Special Publications of SEPM

... to be in phase with the ripples. The surface waves gradually become the dominant effect, and the bed forms move upstream as antidunes. The same effect is seen...

1984

Effects of Shoreline Irregularities on a Rectilinear Tidal Current and Their Significance in Sedimentation Processes

George Ferentinos, Michael Collins

Journal of Sedimentary Research (SEPM)

... Mumbles Head and along the South Gower Coast: Swansea City Council Pub., Final Report to Swansea City Council. BRIDGES, P. H., AND LEEDER, M. R., 1976...

1980

The Periodic Cycle of Particulate Matter in a Shallow, Temperate Estuary

Franz E. Anderson

Journal of Sedimentary Research (SEPM)

... to variations in river discharge, resuspension by local wind waves and tidal currents, the effect of ice cover, productivity, etc. In some estuaries one source...

1970

Volumetric supervised contrastive learning for seismic semantic segmentation

Kiran Kokilepersaud, Mohit Prabhushankar, Ghassan AlRegib

International Meeting for Applied Geoscience and Energy (IMAGE)

... to be a multi-layer perceptron with a single hidden layer. This projection head is used to reduce the dimensionality of the representation...

2022

A Small-Scale Throughflow Outburst in a Heterolithic Ephemeral Channel

M.C. Bourke

Journal of Sedimentary Research (SEPM)

... (throughflow) in an ephemeral sand and mud channel in central Australia generated an outburst through the surface mud layer depositing a small...

2003

Origin of Parallel, Near-Horizontal Laminae by Migration of Bed Forms in a Small Flume

E. F. McBride, R. G. Shepherd, R. A. Crawley

Journal of Sedimentary Research (SEPM)

... with the water surface and had variable spacings (15 to 40 cm), and by downstream migration of waves (2 to 8 mm high) with regular spacings of 3 to 6...

1975

Degradation of Ice-Formed Beach Deposits

Peter S. Rosen

Atlantic Geology

... movement by ice due to the formation of a thicker winter ice cover. TABLE 1 Chatham Temperature Data The freeze-up and thaw sequence at Richibucto Head...

1978

Geotechnical Applications in Soft Sediments: Section 2

Wayne A. Dunlap

AAPG Special Volumes

...-elastic constitutive theory (Schapery, 1968, 1974). In predicting the dynamic response of the sea bottom to the action of storm waves, the effect...

1981

ABSTRACT: Selected Topics in Seismic Dispersion

Christopher L. Liner

Houston Geological Society Bulletin

..., reflection and transmission coefficients, head waves, etc. The convolutional reflection models we use to model thick and thin bed thin response...

2012

Tides and their seminal impact on the geology, geography, history, and socio-economics of the Bay of Fundy, eastern Canada

Con Desplanque, David J. Mossman

Atlantic Geology

... to processes of erosion and sedimentation. A case in point is the effect of waves along some sections of the Fundy shore. Consider for example the shape...

2004

Relationships Between Wave-Induced Currents and Sediment Grain Size on a Sandy Tidal-Flat

G.C. Malvarez, J.A.G. Cooper, D.W.T Jackson

Journal of Sedimentary Research (SEPM)

... Vol. 71 (2001), No. 5. (September), Studies of sedimentation on sandy tidal-flats have long acknowledged that tidal flows and waves are the most...

2001

Some Problems of the Geology and Oil-Gas Prospects of the Southwest Part of the Peri-Caspian Depression

V. I. Mal’tsev, L. V. Sharapova, B. I. Yurchenko

Petroleum Geology: A Digest of Russian Literature

..., B. S., Vol’vovskiy, I. S., and Ryaboy, V. Z., 1961, Some data on seismic waves corresponding to the subcrustal layer: Prikladnaya Geofizika, no. 31...

1963

Sea-Floor Valleys of Gulf of California

Francis P. Shepard

AAPG Special Volumes

... the bay entrance from the full effect of all but easterly wave approaches although large refracted waves come around the point under some conditions. One...

1964

The Limitations of Seismic Modelling of Geological Structures

B. L. N. Kennett

Petroleum Exploration Society of Australia (PESA)

... a low level but significant spread of energy corresponding to the excitation of head waves on the interface. At the highest frequencies used...

1985

The Sedimentary Regime Beneath the Deep Western Boundary Current Inflow to the Southwest Pacific Ocean

Lionel Carter , I. N. McCave

Journal of Sedimentary Research (SEPM)

.... 735-738. CARTER, L., CARTER, R.M., NELSON, C.S., FULTHORPE, C.S., AND NEIL, H.L., 1990, Evolution of Pliocene to Recent abyssal sediment waves on Bounty...

1997

Fluid and Sediment Dynamics on Continental Shelves

Donald J. P. Swift and Alan W. Niedoroda

Special Publications of SEPM

... stratified fluid beneath rose to replace it so abruptly that internal waves 68 MIXED LAYER B Ekman pumping" of shelf water column by Hurricane Diagram...

1986

Bimodal Composition and Cyclic Characteristics of Beach Sediment in Continuously Changing Profiles

Choule J. Sonu

Journal of Sedimentary Research (SEPM)

...., 1951, Depth of disturbance of sand on sea beaches by waves: Jour. Sed. Petrology, v. 21, p. 131-140. KING, C. A. M., 1961, Beaches and coasts; Edward...

1972

Viscoelastic anisotropic seismic wave modeling using recursive convolution method and curvilinear collocated finite difference method for different boundaries

Chao Jin, Bing Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... fluid-solid interface. In the snapshots of Figure 3 (b)(d), one can see the different wave types including P, qP, qSV and head waves clearly. Third...

2023

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