Determination of chemical weathering and profile development indexes of soils formed on volcanic rocks in the Biga Peninsula, NW Türkiye

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dc.contributor.authorEverest, Timucin
dc.contributor.authorErenoglu, Oya
dc.contributor.authorAcar, Tugba Sokut
dc.contributor.authorTemel, Erdem
dc.contributor.authorSungur, Ali
dc.contributor.authorOzcan, Hasan
dc.date.accessioned2026-02-03T12:02:47Z
dc.date.available2026-02-03T12:02:47Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractChemical weathering and profile development indexes of soils formed on Ayvacik volcanites (pyroclastic, basalt, andesite, and ignimbrite) in the SW of Biga Peninsula were investigated in this study. Eight soil profiles (two representing each rock type) were excavated on soils formed on pyroclastic, basalt, andesite, and ignimbrite rocks. The profiles were described according to the Soil Survey Manual and classified according to the Soil Taxonomy and the World Reference Base (WRB). Within the study, morphological observations, physicochemical, oxide, and mineralogical analyses were conducted, thin-section interpretations were carried out, and chemical weathering and profile development indexes (PDI) were calculated. In addition, statistical analyses were performed on all data. Chemical index of alteration-CIA, Parker weathering index-WIP, chemical index of weathering-CIW, plagioclase index of alteration-PIA, silica-titania index-STI, bases/R2O3, product index-PWI, Vogt index-V and Ruxton ratio-R were calculated. Relationships between chemical weathering and profile development indexes were tested with multiple statistical evaluations. According to the results of multivariate analysis of covariance (MANCOVA) the effects between chemical weathering indexes and PDI were statistically significant with CIA, WIP, CIW, PWI, and V weathering indexes. In contrast, the impacts of PIA, STI, Bases/R2O3, and R weathering indexes were not significant. These relationships between chemical weathering and PDI were supported by thin section and mineralogical analysis. With the integration of PDI and chemical weathering indexes, WIP was found to be the most suitable weathering index for evaluating soils formed on pyroclastic and basalt rocks, while PWI was found to be suitable for andesite and ignimbrite rocks. These findings provide a robust framework for selecting appropriate weathering indexes tailored to specific volcanic rocks in pedogenetic studies.
dc.description.sponsorshipScientific and Technological Research Council of Turkiye (TUBITAK) [123O344]
dc.description.sponsorshipThis work was supported by The Scientific and Technological Research Council of Turkiye (TUBITAK) with the (123O344) project number.
dc.identifier.doi10.1016/j.catena.2025.109467
dc.identifier.issn0341-8162
dc.identifier.issn1872-6887
dc.identifier.scopus2-s2.0-105016343466
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.catena.2025.109467
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34870
dc.identifier.volume260
dc.identifier.wosWOS:001576817400001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofCatena
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260130
dc.subjectChemical weathering
dc.subjectProfile development index
dc.subjectMultivariate analysis
dc.subjectPedogenesis
dc.titleDetermination of chemical weathering and profile development indexes of soils formed on volcanic rocks in the Biga Peninsula, NW Türkiye
dc.typeArticle

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