[보고서]지각구조 연구개발 결과의 현업 활용방안 연구

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[국가R&D연구보고서] 지각구조 연구개발 결과의 현업 활용방안 연구
Study of utilities about results of crustal structure researches to site operations 원문보기

보고서 정보
주관연구기관	경상대학교 GyeongSang National University
연구책임자	김우한
참여연구자	김보경 , 안태영 , 강영아
보고서유형	최종보고서
발행국가	대한민국
언어	한국어
발행년월	2010-04
과제시작연도	2009
주관부처	기상청
연구관리전문기관	기상지진기술개발사업단
등록번호	TRKO201000000722
과제고유번호	1365000673
DB 구축일자	2013-04-18
키워드	지각구조,주행시간,수진함수,토모그래피,진원요소Crustal structure,Traveltime,Receiver function,Tomography,Hypocentral parameters

초록 ▼

I. 한반도 지각구조 연구자료 조사
지금까지 수행된 지각구조 연구를 연구 수행 방법에 분류하여 정리한다. 연구 수행 방법으로는 아래와 같이 분류하여 연구 방법의 타당성과 신뢰성을 정리 것이다.
1) 주행시간 분석에 의한 일차원 지각구조
2) 주행시간을 사용한 삼차원 토모그래피
3) 파형분석에 의한 일차원 지각구조
4) 수진함수에 의한 1차원 지각구조
5) 배경잡음을 이용한 지각구조
6) 인공발파를 이용한 이차원 지각구조
II. 지각구조 연구결과의 공유 및 비교 검증을 위한 시험분석
1) 신뢰성이 높은 진원요소가 결정된 지진 선택
2) 합성 주행시간과 합성 지진과 실제 관측 값과 비교
3) 현업에서 지각속도구조가 진원요소결정의 정확성에 미치는 영향 분석
4) 다차원 지각구조 모델의 현업활용방안 제시

Abstract ▼

The purpose of this study is to find a ways of utilities about results of crustal structure to site operation. We reviewed and synthesized the results of crustal structure researches of the Korean Peninsula, which have carried out until present day. We also estimated accuracy and reliability for three velocity models among studied models by comparing traveltime differences and/or waveform differences between observed and calculated earthquake data.
The crustal structure has been studied by using earthquake data, crustal-scale seismic exploration and back ground noisy analysis. Many researchers estimated one-dimensional crustal velocity model based on traveltime data from earthquakes(Hayata, 1940; Lee, 1979; Kim and Kim, 1983; Kim and Chung, 1985; Kim, 1995;Chung,1995; kim, 1998; Song and Lee,2001), and based on wave form (Shin and Baag, 2000; Chang and Baag, 2006; Lee and Baag, 2008) and receiver function analysis (Chang et al., 2004; Chang and Baag, 2005 and 2007; You et al., 2007; Park et al., 2008). Seismic tomography (Park et al., 2002; Kang and Park, 2006) and background noise analysis (Kang and Shin, 2006; Cho et al., 2007) have been studied recently. Crustal-scale seismic experiment has be carried out for three times since 2002 (Cho et al., 2006; Kim et al., 2007a and b; Jung et al., 2007, and 2008). Crustal thickness (Moho depth) has been estimated by traveltime (Park et al., 2003), receiver function analysis (Shin and Baag, 1996; Chang and Baag, 2006; Yoo et al., 2007; Park et al., 2008), and gravity analysis ( Shin et al., 2006; Lee et al., 2009).

목차 Contents

표지...1
제출문...2
보고서 요약서...3
요약문...4
SUMMARY...8
CONTENTS...10
목차...11
제 1 장 연구개발과제의 개요...12
제 2 장 국내외 기술개발 현황 ...13
제 3 장 연구개발 수행 내용 및 결과 ...15
제 1 절. 한반도 지각구조 연구자료 조사 ...15
제 2 절. 지각구조 연구결과의 공유 및 검증을 위한 시험분석 ...39
제 4 장 목표달성도 및 관련분야에의 기여도 ...69
제 5 장 연구개발결과의 활용계획 ...70
참고문헌 ...71

표/그림 (53)

표 (a) Velocity model of southern Korea by Kim, S. J. and Kim, S. G. (1983)(b) Crustal velocity model of Kim, S. K. (1995)
표 P-wave velocity model of southern Korea by Kim, W. (1998).
표 The P-wave velocitie (a) and Vp/Vs ratio (b) are averaged down from 1 m tothe depth ritten at left right corner of each section. Reference value is at right upper corner of each section
표 Comparison of the resolved velocity model with modelspreviously estimated with the travel-time inversion
표 (a) Locations of the epicenter of the April 26, 2004 Daegu, Korea, earthquake(ML=3.9) and seismic stations recording data used for modeling the whole and local crustal velocity structures of southern Korea (Lee and Baag, 2008). (b) Locations of the epicenter of the April 26, 2004 Daegu, Korea, earthquake (ML=3.9) and seismic stations recording data used for modeling the whole and local crustal velocity structures of southern Korea
표 Estimated P-wave velocity structures
표 Estimated crustal velocity structures of the three local areas in southern Korea
표 Comparison of the four crustal models by the joint inversion with those of previousstudies in southern Korea. Our results are indicated by thin solid lines
표 Comparison of Moho depth distributions based on two methods
표 Distribution of VP/VS ratio in southern Korea estimated by the grid search in theH-κ domain. VP and VS represent average velocities in the crust of the P and S waves, respectively
표 Simplified map showing the distribution of estimated VP/VS ratios and those fromprevious studies
표 Composite velocity structures constructed by averaging the velocity structures estimated fromanalyses of stacked receiver functions for GKP, GSU, HDB, and BUS
표 Rayleigh wave group velocity map in period band of 2 - 4 seconds
$Map showing the locations of the KCRT2002, KCRT2004, andKCRT2008 crustal-scale seismic refraction experiments in the southern Korean Peninsula$ 표 Map showing the locations of the KCRT2002, KCRT2004, andKCRT2008 crustal-scale seismic refraction experiments in the southern Korean Peninsula
표 Final layered velocity model after iterative forward ray tracing following least-squaretraveltime inversion. (a) Image of velocity model with color scale index. (b) Contoured version of velocity distribution. (c) The depth to the Moho calculated in this study (solid line) and digitized from the contour map of Park et al. [2003] (solid squares)
표 Depth section showing the three reflection boundaries, A, B, and C
표 Contours of velocity tomograms for Profiles (a) 2002 and (b) 2004,respectively, showing variation in depth of the seismological Moho from 29.4 km to 36.5 km
표 Inverted shear wave velocity models for the five subsections with error estimates
$Map of the Korean peninsula and the KCRT2002 andKCRT2004 seismic refraction profiles$ 표 Map of the Korean peninsula and the KCRT2002 andKCRT2004 seismic refraction profiles
표 Inverted shear wave velocity models for the twelvesubsections
표 Qβ models for the six subsections
표 The contour map of crustal thickness calculated from the travel time residuals
표 Contour map of crustal thickness in the northern part of Korean peninsula
표 Distributions of the Moho depths in km (left) and average crustal P-wave velocities in km/s (right) in southern Korea.
표 Distribution of the Moho depths in southern Korean Peninsula
표 Bouguer anomaly map in and around the Korean peninsula
표 Deformation of Moho with respect to isostasy
표 Deformation of Moho with respect to isostasy
표 Hypocentral parameters of Odaesan Earthquake
표 Phase analysis using retilinearity(R) and Directionarity(D) functions(Park et al., 2004) for Deagu earthquake at the KMC Station (a) and Andong earthquake at the MGB Station (b)
표 Thee models of 1-D velocity structure and prescribed velocity ranges (pink solid line) used in GA-MHYPO. Solid and dotted lines represent P-wave and S-wave velocities.
표 Daegu Earthquake (2004. 4. 26., 13:29, ML=3.9, 16 stations)
표 Odeasan Earthquake (2007 1. 20., 20.56, ML=4.8, 15 stations)
표 Andong Earthquake (2009. 5. 2., 7:58, ML=4.0, 20 stations)
표 Observed and synthetic seismograms of Daegu Earthquake Using Kim and Kim's velocity model (1983).
표 Observed and synthetic seismograms of Daegu Earthquake Using Kim's velocity model (1995).
표 Observed and synthetic seismograms of Daegu Earthquake Using Chang and Baag's velocity model (2006).
표 Observed and synthetic seismograms of Odeasan Earthquake Using hypocentral parameters calculated by using Kim and Kim's (1983) velocity model and Chang and Baag's velocity model (2006).
표 Observed and synthetic seismograms of Odeasan Earthquake Using hypocentral parameters calculated by using Kim's (1995) velocity model and Chang and Baag's velocity model (2006).
표 Observed and synthetic seismograms of Odeasan Earthquake Using hypocentral parameters calculated by using Chang and Baag (2006) velocity model and Chang and Baag's velocity model (2006).
표 Observed and synthetic seismograms of Odeasan Earthquake Using hypocentral parameters calculated by GA-MHYPO and Chang and Baag's velocity model (2006).
표 Observed and synthetic seismograms of Odeasan Earthquake Using hypocentral parameters determined by KIGAM and Chang and Baag's velocity model (2006).
표 Traveltime curve of Fig. 4-1. Green and red colors represent the ray whose ray-paths passed through out-side of and within slab, black color represents reflected waves.
표 Epicenter and Station map
표 Convergence rate of two-point ray tracing
표 Side view of two-point ray tracing in the media with 3-D descending slab
표 Traveltime differences between the media with and without 3-D descending slab
표 Hypocentral parameter errors depending on models
표 Hypocentral parameter errors depending on data number
표 Focal depth (solid line) and origin time (dotted line) errors with respect to velocity contrast
표 Initial velocity models and prescribed velocity ranges in GA-MHYPO
표 Hypocentral parameter errors with respect to models
표 Detailed research goals and achieved results of the project.

과제명(ProjectTitle) :	-
연구책임자(Manager) :	-
과제기간(DetailSeriesProject) :	-
총연구비 (DetailSeriesProject) :	-
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과제수행기간(LeadAgency) :	-
연구목표(Goal) :	-
연구내용(Abstract) :	-
기대효과(Effect) :	-

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[국가R&D연구보고서] 지각구조 연구개발 결과의 현업 활용방안 연구
Study of utilities about results of crustal structure researches to site operations 원문보기