[보고서]심부 탄성파 탐사를 이용한 서해의 지각구조와 경기만 단층활동 연구

김한준

심부 탄성파 탐사를 이용한 서해의 지각구조와 경기만 단층활동 연구
Crustal structure in the Yellow Sea from deep seismic sounding and fault activity in Gyeonggi Bay 원문보기

보고서 정보
주관연구기관	한국해양과학기술원 Korea Institute of Ocean Science ＆ Technology
연구책임자	김한준
참여연구자	신창수 , 김규중
보고서유형	최종보고서
발행국가	대한민국
언어	한국어
발행년월	2018-08
과제시작연도	2017
주관부처	기상청 Korea Meteorological Administration(KMA)
과제관리전문기관	한국기상산업기술원 The Korea Meterological Institute
등록번호	TRKO202200010089
과제고유번호	1365002639
사업명	기상·지진See-At기술개발연구
DB 구축일자	2022-10-06
키워드	고해상 탄성파탐사.경기만 M4.9 진앙지.심부 탄성파탐사.서해 지각구조.High-resolution seismic survey.Epicentral area (M4.9).Deep seismic sounding.Crustal structureof the Yellow Sea.
DOI	https://doi.org/10.23000/TRKO202200010089

초록 ▼

□ 연구의 목적 및 내용
○ 서해 백령도해역의 neotectonics와 서해남부의 지각구조 연구

□ 연구개발성과
○ 서해 백령도해역의 neotectonics
- 경기만 M4.9 지진발생지역에서 습곡구조 발견
- 중한블록과 남중국블록간 판경계의 한반도 방향 연장 제시
- 지진발생과 지질구조와의 관련성 해석
○ 서해 남부의 지각구조 규명
- 한.중 공동연구로서 중국과 한국의 EEZ를 가로지르는 심부탄성파 탐사 수행
- 군산분지에서 모호면까지 지각구조 규명
- 군산분지의 형성과 지각의 특성변화 해석
○ 오대산과 거창지역의 선구조와 지진발생간 관련성 해석
- 위성영상으로부터 선구조 추출
- 선구조와 지진취약성 해석

□ 연구개발성과의 활용계획(기대효과)
○ 한반도와 주변의 3차원 지체구조모델 개발을 위한 후속연구에 활용
○ 지질구조와 지진발생간의 관련성을 과학적으로 밝히는 후속연구 수행

(출처 : 요약문 5p)

Abstract ▼

□ Purpose & Contents
○ Studies on the neotectonics of the epicentral area of the 2013 M4.9 earthquake south of Baekryeong Island and crustal structure of the south Yellow Sea

□ Results
○ Neotectonics of the epicentral area south of Baekryeong Island
- Identification of fold structure in the epicentral area
- Suggestion of the extension of the suture between the Sino-Korean and South China Blocks toward the Korean Peninsula
- Interpretation of the relationship between seismicity and geologic structure
○ Computation of the crustal structure of the south Yellow Sea
- Completion of deep seismic sounding across the Yellow Sea under the collaboration of Korea with China
- Identification of the crustal structure down to the Moho in the Gunsan Basin
- Interpretation of the crustal evolution and variations in the Gunsan Basin
○ Analysis of the relationship between the lineations of the Odaesan and Geochang areas and seismicity
- Extraction of lineations from satellite images
- Interpretation of the correlation of lineations with seicmicity

□ Expected Contribution
○ Elicitation of follow-up studies on 3-D tectonics structure of the Korean Peninsula
○ Promotion of studies to correlate geologic structure with earthquake occurrences

(source : SUMMARY 6p)

목차 Contents

표지 ... 1
제출문 ... 2
보고서 요약서 ... 4
국문 요약문 ... 5
SUMMARY ... 6
CONTENTS ... 8
목차 ... 10
제1장. 연구개발과제의 개요 ... 12
제2장. 국내외 기술개발 현황 ... 15
2.1. 서해의 지각과 상부맨틀 구조 ... 15
2.2. 군산분지의 진화와 지질 ... 19
2.3. 백령도 해역 지진 ... 21
2.4. 고해상 탄성파탐사를 이용한 4기 단층 조사 ... 22
2.5. 한반도 주변해역 심부탄성파 탐사 ... 25
제3장. 연구 수행내용 및 성과 ... 28
3.1. 경기만 단층활동 해석 ... 28
3.1.1. 서 론 ... 28
3.1.2. 지질환경 ... 31
3.1.3. 고해상 탄성파 자료의 획득과 처리 ... 34
3.1.4. 탄성파 프로파일들의 해석 ... 44
3.1.5. 결론 ... 54
3.2. 서해남부의 지각구조: 한중 공동 심부탄성파 탐사 ... 55
3.2.1. 서론 ... 55
3.2.2. 한⋅중 공동연구를 위한 수행 과정 ... 58
3.2.3. 심부 탄성파 탐사자료 ... 81
3.2.4. 해저면 지진계 자료의 처리와 해석 ... 106
3.2.5. 결론 ... 128
3-3. 원격탐사 자료를 이용한 오대산/거창지역 지진과 선구조선의 상관관계 분석 ... 130
3-3-1. 필요성 ... 130
3-3-2. 영상자료의 처리 ... 130
3-3-3. 결론 및 고찰 ... 146
제4장. 목표 달성도 및 관련분야 기여도 ... 148
제5장. 연구개발성과의 활용계획 ... 151
제6장. 연구개발과정에서 수집한 해외과학기술정보 ... 152
제7장. 연구개발성과의 보안등급 ... 159
제8장. 국가과학기술종합정보시스템에 등록한 연구시설·장비 현황 ... 159
제9장. 연구개발과제 수행에 따른 연구실 등의 안전조치 이행실적 ... 159
제10장. 연구개발과제의 대표적 연구 실적 ... 160
제11장. 기타사항 ... 162
제12장. 참고 문헌 ... 163
끝페이지 ... 167

표/그림 (122)

표 Plate boundaries in NE Asia (modified from Taira 2001). PA, PP, and OP = Pacific, Philippine Sea, and Okhotsk Sea plates; SI = Sakhalin Island; ISTL = Itoigawa-Shizuoka Tectonic Line. (From Kim et al., 2018)
표 S-wave velocity (VSV) at (a) 70 km and (b) 30 km depths computed from ambient noise tomography (after Kim et al., 2015). The scale bar denotes VSV in km/s
표 (a) Paleogeography of the Late Permian. (b) Tectonic reconstruction of the Sino-Korean and South China blocks in the Triassic. (c) Tectonic reconstruction in the Jurassic. Note that the indented South China Block collided againstthe Sino-Korean Block along the Qinling-Dabie, Sulu, Imjingang, and Namhae-Higo belts, forming an offset along the Tanlu Fault and the South Korean Tectonic Line. (from Chough et al., 2013)
표 Fault plane solutions in and around the Yellow Sea (Hong and Choi, 2012)
표 Major basins of the Yellow Sea and the study area that includes the Central Subbasin. Modified after Liu (1986) and Zhang et al. (1989)
표 Earthquake sequence south of Baekryeong Island in 2013. (From Son et al., 2015)
표 (a) Seismicity in the epicentral area of 2013.5.7. Mw 4.9 earthquake south of Baekryeong Island. (b) Fault plane solutions of the events. (From Hong et al., 2015)
표 (a) Seismic profile and (b) its interpretive line drawings showing the offshore extension of the Yangsan Fault (from Kim et al., 2016b)
표 Locations of the Quaternary faults in the study area. Fault F1 is interpreted as an offshore extension of the Yangsan fault. Faults F2, F3, and F4 are interpreted as Riedel shears. Epicenters of earthquakes in Fig. 1 are superimposed. The inset (lower right) shows the estimated axis of principal stress estimated from the pattern of the main fault (F1) and Riedel shears. YF = Yangsan fault; R = Riedel shears. (From Kim et al., 2016b)
표 Crustal structure across the continental margin of the Korean Peninsula in the East Sea. (Kim et al., 2003.)
표 Schematic diagram showing episodes of back-arc rifting to spreading sequentially from the northern to southern parts of the Korea margin (Kim et al. 2018). (a) Initiation of back-arc rifting and breakup at the northern margin. (b) Back-arc rifting and breakup at the southern margin. (c) Back-arc spreading and clockwise rotation of the SW Japan Arc
표 Crustal structure of Bohai Sea (Liu et al., 2015)
표 Tectonic subdivision of East Asia composed of two cratons of the Sino-Korean and South China Blocks. Distribution of the Cryogenian diamictites in the South China Block is marked in light blue with pattern. C, Chungcheong Basin; G, Gyeonggi Massif; I, Imjingang Belt; JLJ, Jiao-Liao-Ji Belt; N, Nangnim Massif; P, Pyeongnam Basin; S, Sulu Belt; T, Taebaeksan Basin; Y, Yeongnam Massif. (From Choi et al., 2012)
표 Simplified geologic map of the Korean Peninsula and surrounding NE Asia. NM = Nangrim massif, PB = Pyeongnam basin, IB = Imjingang belt, GM = Gyeonggi massif, OB = Ogcheon belt, YM—Yeongnam massif. (From Choi et al., 2016)
표 Earthquake sequences south of Baekryeong Island (red circles) and stations used (inverted triangles) (From Son et al., 2015)
표 Model of sequence stratigraphy in the Late Quaternary in Kyeonggi Bay. (From Kwon, 2012)
표 Locations of seismic profiles obtained in this study from 2015 to 2018
표 Locations of seismic profiles obtained in Gyeonggi Bay in 2016 and 2017
표 Parameters for high-resolution multichannel seismic profiling in this study from 2015 to 2018
표 Data processing procedure
표 High-resolution seismic profile after processing of multichannel seismic data
표 Sparker profile 2016-05. See Fig. 3-1-3-2 for location
표 Sparker profile 2016-16. See Fig. 3-1-3-2 for location
표 (Upper) Chirp sonar profile 2016-09. (Lower) Enlarged part of the same profile denoted by the rectangle
표 Active flexural-slip faulting model. Slip along the fault plane decreases to zero at the fold hinge. Terrace surfaces on the hanging wall of FSFs are tilted in the same directions as the dip of underlying beds. (From Li et al., 2015)
표 Sparker profile 2017-08. See Fig. 3-1-3-2 for location
표 Sparker profile 2017-28. See Fig. 3-1-3-2 for location
표 Sparker profile 2017-35. See Fig. 3-1-3-2 for location
표 Sparker profile 2017-44. See Fig. 3-1-3-2 for location
표 Main types of fold-accommodation faults. (From Deng et al., 2013)
표 Geologic map of the epicentral area of the M4.9 earthquake south of Baekryeong Island
표 Occurrences of earthquakes in and around the Yellow Sea from Korean (blue circles) and Chinese (red circles). Triangles represent seismic stations
표 Models for tectonic structure of East Asia
표 Locations of planned seismic lines (dashed lines) and the finalized line (yellow line)
표 Conditional agreement for marine scientific survey from the Ministry of Oceans and Fisheries of Korea
표 M/V Discoverer I
표 R/V Eardo
표 List of scientists on M/V Discoverer I
표 List of scientists on R/V Eardo
표 List of crew on M/V Discoverer I
표 List of crew on R/V Eardo
표 해저면지진계 투하 준비 과정. (a) 크레인에 연결된 해저면지진계, (b) 해저면지진계 인양 예행연습, (c) 앵커와 연결된 해저면지진계
표 해저면지진계 투하 과정. (a) 해저면지진계, (b) 해저면지진계 투하 대기, (c) 해저면지진계 투하 (이어도호에서 촬영)
표 해저면지진계 설치 위치
표 Locations of OBSs
표 한-중 국제 공동 탄성파 탐사 요약
표 에어건 전개 과정 및 슈팅. (a) 에어건 설치, (b) 투하전의 에어건, (c) 전개된 에어건, (d) 에어건 슈팅, (e) 에어건까지의 거리 측정, (f) 배의 속도, 방향, 위치 등 정보를 보여주는 모니터
표 Layout of the air gun array
표 해저면지진계 회수 과정. (a) 해저면지진계 육안 확인, (b) 야간작업시 활용하는 해저면지진계의 빛, (c) 회수된 해저면지진계, (d) 해저면지진계를 뜰채로 잡는 과정, (e) 해저면지진계와 앵커의 연결부위가 끊어진 모습, (f) 담수를 이용한 해저면지진계 세척 (g) 해저면지진계 건조, (h) Acoustic Release를 통한 해저면지진계 와의 통신
표 Record section of OBS C01
표 Record section of OBS C02
표 Record section of OBS C03
표 Record section of OBS C04
표 Record section of OBS C07
표 Record section of OBS C08
표 Record section of OBS C10
표 Record section of OBS C11
표 Record section of OBS C12
표 Record section of OBS C14
표 Record section of OBS C15
표 Record section of OBS C16
표 Record section of OBS C18
표 Record section of OBS C20
표 Record section of OBS K03
표 Record section of OBS K04
표 Record section of OBS K05
표 Record section of OBS K06
표 Record section of OBS K07
표 Record section of OBS K09
표 Temporary stations on land
표 육상 임시 관측소 PU01
표 육상 임시 관측소 PU02
표 육상 임시 관측소 PU03
표 육상 임시 관측소 PU04
표 육상 임시 관측소 PU05
표 육상 임시 관측소 PU06
표 육상 임시 관측소 PU07
표 육상 임시 관측소 PU08
표 육상 임시 관측소 PU09
표 육상 임시 관측소 PU10
표 육상 임시 관측소 PU11
표 육상 임시 관측소 PU13
표 Record section of PU01
표 Record section of PU02
표 Procedure for processing OBS data
표 OBS record section (upper) before and (lower) after frequency filtering
표 OBS record section (upper) before and (lower) after coherency filtering
표 Example of first arrival picking on an OBS record section
표 Multichannel seismic profile obtained in the southern Yellow Sea showing the sedimentary structure. See Fig. 3-2-4-1 for location
표 (Upper) Initial model for tomoraphy and (Lowe) final model after 15 iterations
표 Ray-tracing for computing the crustal structure along the transect from C21 to K10
표 Crustal structure along the transect from C21 to K10 (see Fig. 3-2-2-7 for locations) down to (upper) 5 km depth and (lower) 40 km depth
표 Staggered grid for finite differencing
표 (a) OBS record section from the southern Yellow Sea. (b) Part of the record section used for faull-waveform inversion
표 (Left) Frequency spectrum of OBS data. (Right) OBS record section after band-pass filtering
표 Coordinates transformed into a 2-D array
표 OBS record section after muting before first breaks
표 (a) Vp and (b) Vs structure by full-waveform inversion
표 Complex frequncies used for full-waveform inversion in the Laplace-Fourier domain
표 (a) Vp and (b) Vs structure by Laplace-Fourier full-waveform inversion
표 (a) (Left) Syntheic OBS record section for the crustal model from tomography (Right) Real OBS record section. (b) (Left) Syntheic OBS record section for the crustal model from Laplace-Fourier full-waveform inversion (Right) Real OBS record section
표 Inferred boundary of the Amurian Plate and in the Yellow Sea with the overlay of the NSYSB and faults. Locations of OBSs are denoted by red dots. Circles indicate the epicenters and magnitude of the earthquakes that occurred from 1978 to 2016. Numbers in the lower left legend are refereces on the boundary of the Amurian Plate in the Yellow Sea: (1) Zonenshain and Savostin (1981) Taira (2002) (2) Barth and Wenzel (2010) (3) Petit and Fournier (2005). EMFYS = East marginal Fault of the Yellow Sea (Hao et al., 2010)
표 Flow of satellite data processing
표 Flow of satellite data processing(계속)
표 Three-dimensional images of the Odaesan area
표 Three-dimensional images of the Geochang area
표 Lineament interpretation maps of the Odaesan area
표 Lineament interpretation maps of the Geochang area
표 Statistical information of lineaments on satellite images and shaded relief map
표 Graph of the spline function
표 Density maps of LANDSAT-8 satellite image of the Odaesan area using right angle grid
표 Density maps of KOMPSAT-2 satellite image of the Odaesan area using right angle grid
표 Density maps of Shaded relief image of the Odaesan area using right angle grid
표 Density maps of LANDSAT-8 satellite image of the Geochang area using right angle grid
표 Density maps of KOMPSAT-2 satellite image map of the Geochang area using right angle grid
표 Density maps of Shaded relief image of the Geochang area using right angle grid
표 Statistical factor (frequency, intersection and length) of the right angle grid’s Relative Lineament Density (VRD) of satellite images and shaded relief map on the epicenter
표 Statistical factor (frequency, intersection and length) of the circle grid’s Relative Lineament Density (VRD) of satellite images and shaded relief map on the epicenter
표 USGS scientist Jackson Currie deploys a chirp sub-bottom profiler (in the center) from R/V Parke Snavely. The chirp is attached to pontoons to keep the equipment from running aground in the shallow waters of San Pablo Bay, California. Photo by Janet Watt, USGS. (From https://walrus.wr.usgs.gov/geohazards/cennorcal.html)
표 Perspective view of seafloor offshore of Half Moon Bay, showing scarp (arrows) along the eastern strand of the San Gregorio fault zone. Rocks are notably upwarped and folded adjacent to the fault. (From https://walrus.wr.usgs.gov/geohazards/cennorcal.html)
표 Main faults along the northern and central California Coast. (DCPP= Diablo Canyon Power Plant) (From https://walrus.wr.usgs.gov/geohazards/cennorcal.html)
표 Three-dimensional view of the Hosgri fault 45 meters below the seafloor, revealing fault strands (black), and potential paths along the fault that fluid could follow (green/blue). The other colors represent different geologic layers. Image by Jared Kluesner, USGS (From https://walrus.wr.usgs.gov/geohazards/cennorcal.html)

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내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 제목(한글), 저자명(한글), 발행일자, 전자원문, 초록(한글), 초록(영문) 관리번호, 제목(한글), 제목(영문), 저자명(한글), 저자명(영문), 주관연구기관(한글), 주관연구기관(영문), 발행일자, 총페이지수, 주관부처명, 과제시작일, 보고서번호, 과제종료일, 주제분류, 키워드(한글), 전자원문, 키워드(영문), 입수제어번호, 초록(한글), 초록(영문), 목차
저장형식	Text(ASCII format) Excel format
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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심부 탄성파 탐사를 이용한 서해의 지각구조와 경기만 단층활동 연구
Crustal structure in the Yellow Sea from deep seismic sounding and fault activity in Gyeonggi Bay 원문보기