干旱区生态环境知识资源中心(Arid): Edge detection and depth estimation of Lake Sapanca, Eastern Marmara Region, from high-resolution magnetic data

Arid

DOI	10.1007/s11600-023-01277-0
	Edge detection and depth estimation of Lake Sapanca, Eastern Marmara Region, from high-resolution magnetic data
	Aktas, Gulten
通讯作者	Aktas, G
来源期刊	ACTA GEOPHYSICA
ISSN	1895-6572
EISSN	1895-7455
出版年	2024
卷号	72 期号:5 页码:3337-3354
英文摘要	The present study aims to determine submarine structural elements by analysing high-resolution magnetic data sets and to examine the impact of geological surface structures characterizing Lake Sapanca. Lake Sapanca is located on the northern branch of the North Anatolian Fault Zone. The study area and its immediate surroundings are located within the most active tectonic structure of Turkey. A magnetic study was carried out in Sapanca Lake to reveal the structural elements that caused the formation of the lake. Diurnal corrections were applied to the magnetic data. During the analysis of the marine magnetic data set, there are variations in the mean field level of the magnetic field caused by the routing effects of ship noise on the measurements. To eliminate this noise effect, directional correction was performed. Then, de-stripping correction was also applied. It is essential to estimate the boundaries and depths of the structural features of the region. In order to elucidate the structural features of the region, different techniques such as tilt angle derivative, the total horizontal derivative of tilt angle derivative, Euler 2D deconvolution, horizontal gradient magnitude, and source edge detection were applied to magnetic data. 2-D modelling using GM-SYS in Oasis Montaj were performed. These techniques identified and mapped the edges of anomalous sources related to magnetic data corresponding to geological elements in the study area. The results allow us to image the submarine lineaments for the survey area. These structural lineaments are in E-W, NE-SW and NW-SE trends. These lineaments in our results are quite compatible with the faults in previous geophysical results. The E-W trending lineaments are related to the E-W trending faults in the region.
英文关键词	Edge detection Euler deconvolution Lineaments Lake Sapanca
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001149511100003
WOS关键词	GRAVITY
WOS类目	Geochemistry & Geophysics
WOS研究方向	Geochemistry & Geophysics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/402598
推荐引用方式 GB/T 7714	Aktas, Gulten. Edge detection and depth estimation of Lake Sapanca, Eastern Marmara Region, from high-resolution magnetic data[J],2024,72(5):3337-3354.
APA	Aktas, Gulten.(2024).Edge detection and depth estimation of Lake Sapanca, Eastern Marmara Region, from high-resolution magnetic data.ACTA GEOPHYSICA,72(5),3337-3354.
MLA	Aktas, Gulten."Edge detection and depth estimation of Lake Sapanca, Eastern Marmara Region, from high-resolution magnetic data".ACTA GEOPHYSICA 72.5(2024):3337-3354.

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