PPT-Seismic Reflection Processing

Illustrations The Stacking Chart and Normal Moveout Creating a seismic reflection section or profile requires merging the pure profiling aspects of the survey with its pure sounding aspects. Douglas Wiens. Department of Earth & Planetary Sciences. Washington University in Saint Louis. Gung & . Romanowicz. . [2004]. Pozgay. , Wiens, et al. . [2009]. Outline . What is seismic attenuation?. Seismic velocities – P & S. Relationship to elastic moduli. Seismic anisotropy. . -- directional variation in seismic velocity. Seismic Attenuation – 1/. Q. p. & 1/Q. s. . -- What is seismic attenuation?. Presentation Outline. Location of Bhutan . Background . About Seismology Division. Ongoing programs and projects. National Seismic monitoring system. Systematic Data Merge System. Future Plans. Lo. Stephan . Husen. , Edi . Kissling. , Claudia . Ryser. , Martin . Lüthi. , Martin Funk, Ginny Catania, Lauren Andrews, . Katrin. . Plenkers. Fabian Walter. 1. , . Philippe Roux. 1. , Claudia Röösli. Illustrations. The . Stacking Chart and Normal . Moveout. Creating a seismic reflection section or profile requires merging the ``pure profiling'' aspects of the survey with its ``pure sounding'' aspects. ’. s Transportable Array. AGU, Fall 2008. Chuck Ammon, Penn State. Bob Woodward, IRIS. Kevin Furlong, Penn State Thorne Lay, UC Santa Cruz. EarthScope USArray Transportable Array. 2004. 2013. The Transportable Array will occupy 1600 sites across the contiguous US. 3D seismic reflection image of the . Nankai. Subduction zone, Japan. Seismic Sources: Land Surveys. Many options! Hammer, weight-drop, dynamite, . vibroseis. . What frequencies are needed?. What energy level is needed (what distances do you need to cover)?. Amit . Suman and Tapan Mukerji. SCRF Annual Meeting. 8 - 9. th. May 2013. Stanford University. 2. Joint Inversion Loop. Generate. multiple. models. Evaluate. misfit. .. Reservoir. Model. Observed flow and seismic response. Altai-. Sayan. Branch of Geophysical Survey Siberian Branch of the RAS. Geophysical Survey of . Siberian Branch of the RAS. Three seismological branches with regional scale seismic networks:. Altay-. using Schlumberger’s Vista Software Package . AASPI. Bryce Hutchinson*, . Thang. Ha, and Kurt J. . Marfurt. , . University of Oklahoma. Overview (and update from last time). The purpose of this project is to provide a thorough set of instructions for seismic processing. This guide will be utilized in a lab in concert with a course on seismic processing. . Earthquake Mechanisms. Brittle Mechanical Model: “stick-slip”. Focal point: 3D point inside the lithosphere where the seismic event occurs. Epicenter: projection of focal point to the map surface . Yichuan Wang. 1. Purpose of Seismic Processing. 2. Seismic Processing Sequence. 3. Summary. Outline. 1. Purpose of Seismic Processing. To suppress noise in the field data and enhance the reflection. s. Alhakeem A . 1. , . Almubarak. H . 1. , Liu K . 1. , Al-. Bazzaz. W . 2 . 1. Missouri University of Science and Technology, Rolla, Missouri, United States, . . 2. Kuwait Institute for Scientific Research, Ahmadi, Kuwait. Part 2: Speed of sound, waves, and bedrock. Image credit: J. Louie, University of Nevada-Reno. Outline. Speed of sound. Waves. Bedrock. Urban and wildland environments. Importance for human activities.