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The AAPG/Datapages Combined Publications Database
Showing 154 Results. Searched 200,357 documents.
Applications of Photogrammetry to Neoichnological Studies: The Significance of Shorebird Trackway Distributions at the Bay of Fundy
Scott Melnyk, Anders Cowper, John-Paul Zonneveld, Murray K. Gingras
PALAIOS
...: 10.1080/10420940.2012.660414. KOPCZNSKI, K., BUYNEVICH, I., CURRAN, H.A., CARIS, J., AND NYQUIST, J., 2017, Imaging bioturbation in supratidal carbonates...
2022
Sedimentology of Subarctic Tidal Flats of Western James Bay and Hudson Bay, Ontario, Canada
I. P. Martini
CSPG Special Publications
..., R. E, Nyquist, D. and Britch, R. 1972. Effect of waste discharges into a silt-laden estuary; a case study of Cook Inlet, Alaska. Institute of Water...
1991
Lithoprobe Seismic Transect of the Alberta Basin: Compilation and Overview
Jacqueline Hope, David W. Eaton, Gerald M. Ross
CSPG Bulletin
... by multiple reverberations, we focus instead on seismic attributes (instantaneous frequency and amplitude) of the top of basement reflection in order...
1999
Cyclostratigraphic Approach to Earths History: An Introduction
Alfred G. Fischer, Bruno D'Argenio, Isabella Premoli Silva, Helmut Weissert, Vittoria Ferreri
Special Publications of SEPM
... and oceans. Orbital Signatures Milankovitch Frequency Band.— For a recent review of orbital cyclicity and its record in sediments, see Hinnov (2000...
2004
Seismic Stratigraphic Analysis of the Barnett Shale and Ellenburger Unconformity Southwest of the Core Area of the Newark East Field, Fort Worth Basin, Texas
Elizabeth T. Baruch, Roger M. Slatt, Kurt J. Marfurt
AAPG Special Volumes
... recorded with a sampling interval of 2 ms at 2001 samples per trace, resulting in a Nyquist frequency of 250 Hz. The usable bandwidth ranges from 20...
2012
Temporal Variability of Suspended Particulate Concentrations in the New York Bight
Robert A. Young, Thomas L. Clarke, Robert Mann, Donald J. P. Swift
Journal of Sedimentary Research (SEPM)
... for the 3/78 series is cut off at 0. 16 hr because of the lower value of the Nyquist frequency (1/2 t; t = interval between burst means = 3 hr...
1981
Assessing Textural Variation in Laminated Sands Using Digital Image Analysis of Thin Sections: RESEARCH METHODS
Elmer H. van den Berg, Victor F. Bense, Wolfgang Schlager
Journal of Sedimentary Research (SEPM)
... frequencies that have wavelengths less than twice the sampling interval. This relationship is based on the Nyquist frequency (Davis 1986), which...
2003
Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... discrete data if there are two or more samples per cycle for the highest frequency (the Nyquist frequency) present. This remarkable theorem, when applied...
2011
Nuevas Aplicaciones en PC del Análisis Espectral Instantáneo para la Detección Directa de Hidrocarburos en el Campo Stratton, EUA [PAPER IN SPANISH] New PC Applications for Instant Spectral Analysis for Direct Detection of Hydrocarbons in Stratton Mounta
H. A. Correa Correa, D. A. Ramírez Mejía
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... espectrales (frecuencias constituyentes) es llamado descomposición espectral. La descomposición espectral provee un nuevo medio de utilización de datos...
2004
High-Frequency Cyclicity in the Mediterranean Messinian Evaporites: Evidence for Solar–Lunar Climate Forcing
Vinicio Manzi, Rocco Gennari, Stefano Lugli, Marco Roveri, Nicola Scafetta, B. Charlotte Schreiber
Journal of Sedimentary Research (SEPM)
... to the Nyquist frequency for annually resolved records, and that the spectral uncertainty increases with the period, as expected. The record of thickness variation...
2012
Macrotidal Subarctic Environment of Turnagain and Knik Arms, Upper Cook Inlet, Alaska: Sedimentology of the Intertidal Zone
Susan Bartsch-Winkler, A. Thomas Ovenshine
Journal of Sedimentary Research (SEPM)
... Inlet tidal stream atlas: Fairbanks, Univ. Alaska Inst. Marine Science Report R73-6, 24 p. MURPHY, R. S., CARLSON, R. F., NYQUIST, D., AND BRITCH, R...
1984
Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas
Wan Yang , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
... on the frequency axes are Milankovitch line spectra at 300 Ma. fn is the Nyquist frequency. See text for discussion. End_Page 1221...
1999
Subsurface Structure of the Eastern Edge of the Zagros Basin as Inferred from Gravity and Satellite Data
Mohamed N. Bushara
AAPG Bulletin
... to geophysical prospecting: New York, McGraw-Hill, 630 p. Eckstein, B. A., J. Nyquist, and J. H. Luetgert, 1986, Two-dimensional and two-and-one...
1995
Fourier Grain-Shape Analysis of Coastal and Inner Continental-Shelf Sand Samples: Oceanside Littoral Cell, Southern Orange and San Diego Counties, Southern California
Robert H. Osborne, Chia-Chen Yeh
Special Publications of SEPM
... to twice the distance between suc cessive observations If the Nyquist frequency is exceeded error may be introduced by the incorporation...
1991
Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5
John H. Doveton
AAPG Special Volumes
... corresponds to the Nyquist frequency. This is a limit beyond which higher frequency wavelets cannot be estimated and is set by the data spacing...
1994
Neochnology of a Microtidal Carbonate Intertidal Zone: Abu Dhabai, U.A.E.
Drew Brown, Hilary Corlett, Tom Kibblewhite, Fiona Whitaker, John-Paul Zonneveld, Murray Gingras
PALAIOS
... of Sedimentary Environments, Elsevier, Amsterdam, v. 64, p. 705–750. PA L A I O S KOPCZNSKI, K.A., BUYNEVICH, I.V CURRAN, H.A., CARIS, J., AND NYQUIST...
2024
Modeling of Azimuthal Gamma Ray Tools for Use in Geosteering Unconventional Reservoirs
Haijing Wang, Ed Stockhausen, Dennis Wyatt, Dean Gulick
Unconventional Resources Technology Conference (URTEC)
... because measurements from sampling frequency higher than Nyquist frequency will alias back as noise in the logging data (Conaway et al., 1980...
2018
The Rise and Fall of a Cratonic Arch: A Regional Seismic Perspective on the Peace River Arch, Alberta
David W. Eaton, Gerald M. Ross, Jacqueline Hope
CSPG Bulletin
... frequency from 56 to 80 Hz. Unfortunately, seismic data quality in this region is seasonally variable and often better in the winter when the ground...
1999
Cyclostratigraphy and Chronology of the Albian Stage (Piobbico Core, Italy)
Alessandro Grippo, Alfred G. Fischer, Linda A. Hinnov, Timothy D. Herbert, Isabella Premoli Silva
Special Publications of SEPM
.... Power Spectra In order to obtain a more objective view of the cyclicities we turn to the frequency domain of power spectra. We employed tapered Thomson...
2004
Constraints on the nature and thickness of sedimentary fill and underlying basement rocks in Bowser and Sustut basins, north-central British Columbia from analysis of potential field data
Carmel Lowe, Judith Baker, Carol Evenchick
CSPG Bulletin
...). Sample window locations and corresponding radially-averaged power spectra are shown in Figure 9. In each case, the spectra are truncated at the Nyquist...
2006
Lunar Helium-3 Energy Resources
Harrison H. Schmitt
AAPG Special Volumes
..._For_Space_Exploration.pdf (accessed December 19, 2011).Pepin, R. O., L. E. Nyquist, D. Phinney, and D. C. Black, 1970, Rare gases in Apollo 11 lunar...
2013
Three-Dimensional Sedimentary Architecture of a Large, Mid-Channel Sand Braid Bar, Jamuna River, Bangladesh
James L. Best, Philip J. Ashworth,, Charles S. Bristow, Julie Roden,
Journal of Sedimentary Research (SEPM)
... shift, and a 40% Nyquist frequency cutoff filter. Details regarding GPR data processing techniques and their impact on the interpretation of alluvial...
2003
Prospectivity of volcanic basins: Trap delineation and acreage de-risking
Max Rohrman
AAPG Bulletin
... of the interpretations. Finally, care has to be taken not to use too small wavelength filters in order not to exceed the Nyquist frequency of the data set...
2007
Assessing the internal character, reservoir potential, and seal competence of mass-transport deposits using seismic texture: A geophysical and petrophysical approach
Tiago M. Alves, Kuncho Kurtev, Gregory F. Moore, Michael Strasser
AAPG Bulletin
...., 1980, Use of high-frequency (3.5 kHz12 kHz) echograms in the study of nearbottom sedimentation processes in the deep-sea: A review: Marine Geology, v. 38...
2014
Vertical anomaly clusters: Evidence for vertical gas migration across multilayered sealing sequences
Martino Foschi, Joseph A. Cartwright, and Frank J. Peel
AAPG Bulletin
... the seismic data were acquired with a sampling interval of 4 ms allowing a maximum theoretical frequency of 125 Hz (Nyquist frequency). The CDP trace...
2014