Geothermal gradients and seismicity correlations in the Biga Peninsula (NW Türkiye) based on Curie point depths

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dc.contributor.authorBektas, Ozcan
dc.contributor.authorBuyuksarac, Aydin
dc.contributor.authorPamuk, Eren
dc.contributor.authorCanbaz, Oktay
dc.date.accessioned2026-02-03T11:59:41Z
dc.date.available2026-02-03T11:59:41Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe Biga Peninsula has hot springs with geothermal temperatures varying between 40oC and 175oC. In this study, we investigate the regional temperature distribution and change in radiogenic heat production in the Biga Peninsula. We use EMAG2 magnetic data to estimate the Curie point depth (CPD). Our findings show that the CPD in the region varies between 9 km and 17 km. We also calculated the geothermal gradient and heat flow values based on the CPD data. which range between 92.9 and 141.6 mWm-2. Additionally, we also obtained values for zo, zt, and zbfrom the power spectrum and calculated 1D geothermal gradient change for examined blocks. The resulting equations are: zt= z80 degrees C, zo= z350 degrees C, and zb= z580 degrees C. These equations enabled us to propose a new formula to calculate the CPD. We also obtained the Conrad discontinuity depth (zc = z680 degrees C) in the Biga Peninsula. Furthermore, we prepared 2D heat flow and temperature profiles along three sections to investigate the relationship between heat changes and earthquake focal distributions. The results indicate that seismicity is high in the southwest of the Biga Peninsula, which has a high CPD, high heat flow value, and shallow Conrad discontinuity.
dc.description.sponsorshippaper. We also thank Dr. Kenan AKBAYRAM of the Bingol University for his critical review of the English language and suggesting many helpful comments.
dc.identifier.doi10.5200/baltica.2025.1.2
dc.identifier.endpage31
dc.identifier.issn0067-3064
dc.identifier.issn1648-858X
dc.identifier.issue1
dc.identifier.scopus2-s2.0-105008967907
dc.identifier.scopusqualityQ3
dc.identifier.startpage15
dc.identifier.urihttps://doi.org/10.5200/baltica.2025.1.2
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34377
dc.identifier.volume38
dc.identifier.wosWOS:001519104200002
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInst Geology & Geography
dc.relation.ispartofBaltica
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260130
dc.subjectBiga Peninsula
dc.subjectCurie point depth
dc.subjectgeothermal gradient
dc.subjectheatflow unit
dc.subjectConrad discontinuity
dc.titleGeothermal gradients and seismicity correlations in the Biga Peninsula (NW Türkiye) based on Curie point depths
dc.typeArticle

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