Semblance for microseismic event detection

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10316846" target="_blank" >RIV/00216208:11320/15:10316846 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/67985891:_____/15:00447771

Výsledek na webu

<a href="http://dx.doi.org/10.1093/gji/ggv070" target="_blank" >http://dx.doi.org/10.1093/gji/ggv070</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1093/gji/ggv070" target="_blank" >10.1093/gji/ggv070</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Semblance for microseismic event detection

Popis výsledku v původním jazyce

Microseismic monitoring from large arrays using migration-based detection and location techniques is limited by detections of false positive events, which are the interpretation of spurious/noisy signals as real events. Therefore, semblance has been considered to differentiate between false positive and true events. However, semblance by itself is not suitable for variable signals such as those caused by shear source radiation. We present a new methodology for event detection and location using semblance of amplitudes corrected by a source mechanism. Our method is suitable for multichannel processing of microseismic data sets acquired with large arrays. The amplitudes are corrected by the radiation pattern of the inverted source mechanism before the semblance computation. We show that the source mechanism correction is the key factor in maximizing the value of semblance and makes the detection based on semblance superior to simple stacking. We apply this method to a data set recorded b

Název v anglickém jazyce

Semblance for microseismic event detection

Popis výsledku anglicky

Microseismic monitoring from large arrays using migration-based detection and location techniques is limited by detections of false positive events, which are the interpretation of spurious/noisy signals as real events. Therefore, semblance has been considered to differentiate between false positive and true events. However, semblance by itself is not suitable for variable signals such as those caused by shear source radiation. We present a new methodology for event detection and location using semblance of amplitudes corrected by a source mechanism. Our method is suitable for multichannel processing of microseismic data sets acquired with large arrays. The amplitudes are corrected by the radiation pattern of the inverted source mechanism before the semblance computation. We show that the source mechanism correction is the key factor in maximizing the value of semblance and makes the detection based on semblance superior to simple stacking. We apply this method to a data set recorded b

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DC - Seismologie, vulkanologie a struktura Země

OECD FORD obor

—

Projekt

<a href="/cs/project/GAP210%2F12%2F2451" target="_blank" >GAP210/12/2451: Seismicita v důsledku injektáže kapalin</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Geophysical Journal International

ISSN

0956-540X

e-ISSN

—

Svazek periodika

201

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

8

Strana od-do

1362-1369

Kód UT WoS článku

000355321800011

EID výsledku v databázi Scopus

2-s2.0-84929832498