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The AAPG/Datapages Combined Publications Database

Showing 10,778 Results. Searched 192,705 documents.

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Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces

Robert L. Miller

Special Publications of SEPM

... provided data for a detailed analysis of the vortices As a approximation model is discussed although further work is necessary The effect of breaker shape...


Factors Necessary to Define a Pressure Seal: Discussion

Zhiyong He, Jeff Corrigan

AAPG Bulletin

... pressure (head) from the base to the top of a rock layer is the time the unit could "act as a pressure seal." This is quantified by formulating...


Wave Climate Models for the Continental Shelf: Critical Links Between Shelf Hydraulics and Shoreline Processes

Victor Goldsmith

Special Publications of SEPM

... profile The effect of the steeper portions of the profiles on the incoming waves will depend pri suggestive consists of Chesapeake Bay and 86 meters...


Supercritical Flow in Density Currents

Bryce M. Hand

Journal of Sedimentary Research (SEPM)

... for internal waves: U = gL/2 (-)/(+) where and are densities of the current and overlying fluid. Critical slope for large scale density flows...


Recent Developments in Gravity Prospecting on Gulf Coast

Olaf F. Sundt

AAPG Bulletin

.... Cockburn. The area had been shot over by refractions several times without being found until the torsion balance showed indications of a minimum. Further...


Random Orientation of Wood on Two Tiny Alluvial Fans (Tavaputs Plateau, Ne Utah, U.S.A.)

Neil A. Wells, Shawn R. Rapp

Journal of Sedimentary Research (SEPM)

..., the pieces have been spread out from the mouth of a small, steep, fan-head channel (too small and hidden to be seen in Figure 2). They are almost all...


Backset Bedding Developed in Shooting Flow in Laboratory Experiments: NOTES

Alan V. Jopling , Everett V. Richardson

Journal of Sedimentary Research (SEPM)

... material is deposited as a layer of horizontal bedding on top of the backset bedding. The moderate-declivity bedding developed on the stoss side...


Seasonal Groundwater Withdrawal in Southwestern Louisiana: Implications for Land Subsidence and Resource Management

Jeffrey A. Nunn

GCAGS Transactions

... Figure 3A shows computed water level (hydraulic head) for the bottom edge of a confining layer during a one year seasonal cycle. Initial condition...


Impact of Local Morphology on Sedimentation in a Submarine Canyon, ROV Studies in Eel Canyon, Northern California, U.S.A.

Tina M. Drexler, Charles A. Nittrouer, Beth L. Mullenbach

Journal of Sedimentary Research (SEPM)

..., in order to delineate accurate trends along and among channels at the head of a canyon. Sampling with the ROV Ventana facilitated detailed examination...


PTTC Network News - Vol. 7, No.2 - 2001

Susan Jackson, Peter Robers, Ernie Majer


.... The calculation procedure is feedforward, from input layer through hidden layers to output layer. During training, the calculated outputs are compared...


Surging Versus Continuous Turbidity Currents: Flow Dynamics and Deposits in an Experimental Intraslope Minibasin

Michael P. Lamb,, Thomas Hickson, Jeffrey G. Marr, Ben Sheets, Chris Paola, Gary Parker

Journal of Sedimentary Research (SEPM)

... and water, which was continuously circulated up to a constant head tank and back down to the mixing tank. During an experiment a portion of the slurry...


Weather Patterns and Coastal Processes

William T. Fox, Richard A. Davis Jr.

Special Publications of SEPM

... of the central Oregon coast were studied to develop coastal process response models Time series analysis Waves to construct the models waves and current data...


Annual Layers Revealed by GPR in the Subsurface of a Prograding Coastal Barrier, Southwest Washington, U.S.A.

L.J. Moore,,, H.M. Jol, S. Kruse, S. Vanderburgh, G.M. Kaminsky

Journal of Sedimentary Research (SEPM)

... of heavy mineral placer deposits on Oregon Beaches: Journal of Sedimentary Petrology, v. 56, p. 67-77. ROBINSON, D.A., AND FRIEDMAN, S.P., 2001, Effect...


The Bouma Division A and the Possible Duration of Turbidity Currents

J. R. L. Allen

Journal of Sedimentary Research (SEPM)

... of the turbulent boundary layer: Sed. Geol., v. 39, p. 227-242. ALLEN, J.R.L., 1985, Principles of Physical Sedimentology: London, Allen and Unwin, 272 p. ARNOTT...


Sonic Log Analysis from Isotropic and Anisotropic Media In Carbonate Reservoir, the Case Study at Stella Alpina Field

Wahyu Tri Sutrisno, Septian Prahastudhi, Ari Teguh Sugiarto, Ayi Syaeful Bahri, Dwa Desa Warnana, Yulia Putri Wulandari

Indonesian Petroleum Association

..., the propagation of compressional and shear waves at difference velocities through anisotropic shale can have a pronounced impact on sonic log readings...


Numerical Modeling of Groundwater Flux through a Low-Level Radioactive Waste Repository for Performance Assessment

Abel Porras, Changbing Yang, Kan Tu, Brad Broussard, Alex Sun

GCAGS Transactions

... zone is a confined sandstone layer with a range of 60 ft (18 m) to 150 ft (45 m) of hydraulic head above the bottom of the sand layer. The 180-ft zone...


Sedimenit Gravity Flows

Gerard Middleton, John B. Southard

Special Publications of SEPM

... (1983). If the flow rate is suddenly increased, solitary waves are formed behind the head, and eventually overtake it. one geometry of flow that may...


Wave Processes and Geologic Responses on the Floor of the Yellow Sea

James S. Booth, William J. Winters

Special Publications of SEPM

... of winter Larger and elevate pore pressures thus common in the shallow Yellow storm scale waves have a or typhoon generated demonstrable effect...


Building of Mississippi Delta

Arthur C. Trowbridge

AAPG Bulletin

... of the maintained levees there are three distributaries: Batiste Colet's Bayou, the Jump, and Cubit's Gap. At Head of Passes the river breaks up finally...


Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

...; the downgoing waves and the upgoing i.e. the reflected waves (Fig. 1). The technique of recording both wavetrains simultaneously is a major advantage when...


Analysis of Water-Level Rise Effects on Littoral Transport

C. R. Berquist , W. F Tanner

GCAGS Transactions

.... "WAVENRG: A computer program to determine the distribution of energy dissipation in shoaling water waves, with examples from coastal Florida," pp. 22-80...


Connections Between Fluvial To Shallow Marine Environments and Submarine Canyons: Implications For Sediment Transfer To Deep Water

Michael L. Sweet, Michael D. Blum

Journal of Sedimentary Research (SEPM)

... canyons that suggest this link to be very sensitive to the distance between the canyon head and the shoreline, and, to a lesser extent, wave energy...


A Fiber-optic Assisted Multilayer Perceptron Reservoir Production Modeling: A Machine Learning Approach in Prediction of Gas Production from the Marcellus Shale

Payam Kavousi Ghahfarokhi, Timothy Carr, Shuvajit Bhattacharya, Justin Elliott, Alireza Shahkarami, Keithan Martin

Unconventional Resources Technology Conference (URTEC)

... measurements along the lateral of the well MIP-3H for each day and upscaled to a stage scale by an averaging method. A multi-layer perceptron neural network...


Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)

Scott Leaney and Chris Chapman

Search and

...orption-dispersion model is used. The sum over rays may include mode conversions, reflections, internal multiples and head waves in addition ...


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