Direct Envelope-based Reflection Full Waveform Inversion for Shallow Marine Seismic Data

Direct Envelope-based Reflection Full Waveform Inversion for Shallow Marine Seismic Data | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Direct Envelope-based Reflection Full Waveform Inversion for Shallow Marine Seismic Data Kyoungmin Lim, Jiho Ha, Wookeen Chung, Jungkyun Shin This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8255917/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Accurate velocity models that include long-wavelength components are required for precise subsurface structure imaging and estimation of geophysical properties. To successfully build the long-wavelength velocity using full waveform inversion (FWI), sufficient offset and low-frequency components are necessary. However, due to the limited acquisition condition, it is difficult to operate long offset and low-frequency sources in coastal shallow marine. Short offset makes the data dominated by reflections, and FWI intensively updates the surface boundaries. Although reflection FWI (RFWI) has been proposed to reconstruct long-wavelength velocity models using reflection data, it suffers from cycle skipping when low-frequency component is insufficient. To overcome these limitations, we propose a direct envelope-based RFWI (DE-RFWI) that incorporates the direct envelope into the RFWI. By employing envelope-based energy information from reflection data, DE-RFWI facilitates the reconstruction of long-wavelength velocity. To verify proposed method, DE-RFWI was applied to synthetic test with a shallow marine condition and field data acquired in Yeongil Bay, South Korea. Long-wavelength velocity model shallow marine seismic short offset RFWI direct envelope DE-RFWI Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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