毕嘎半岛火山岩土壤化学风化及剖面发育指标测定

IF 5.7 1区农林科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY

Catena Pub Date : 2025-09-18 DOI:10.1016/j.catena.2025.109467

Timuçin Everest , Oya Erenoğlu , Tuğba Söküt Açar , Erdem Temel , Ali Sungur , Hasan Özcan

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引用次数: 0

摘要

本文研究了毕嘎半岛西南部Ayvacik火山岩（火山碎屑岩、玄武岩、安山岩和火成岩）上形成的土壤的化学风化和剖面发育指标。在火山碎屑岩、玄武岩、安山岩和火成岩上形成的土壤上挖掘了8个土壤剖面（每种岩石类型2个）。根据《土壤调查手册》对土壤剖面进行描述，并根据《土壤分类》和《世界参考基础》（WRB）进行分类。在研究中，进行了形态观察、理化分析、氧化分析和矿物学分析，进行了薄片解释，并计算了化学风化和剖面发育指数（PDI）。此外，对所有数据进行统计分析。计算了蚀变化学指数- cia、帕克风化指数- wip、风化化学指数- ciw、斜长石蚀变指数- pia、硅钛指数- sti、碱/R2O3、产物指数- pwi、Vogt指数- v和Ruxton比值- r。通过多次统计评价，验证了化学风化与剖面发育指标之间的关系。多变量协方差分析（MANCOVA）结果显示，CIA、WIP、CIW、PWI和V风化指标对化学风化指标与PDI的影响有统计学意义。相比之下，PIA、STI、Bases/R2O3和R风化指标的影响不显著。化学风化与PDI之间的关系得到了薄片和矿物学分析的支持。综合PDI和化学风化指标，发现WIP是最适合评价火山碎屑岩和玄武岩上形成的土壤的风化指标，而PWI适合评价安山岩和火成岩上形成的土壤。这些发现为在成土研究中选择适合特定火山岩的风化指标提供了一个强有力的框架。

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

Chemical 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, physico-chemical, 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/R₂O_3, 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.

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来源期刊

Catena 环境科学-地球科学综合

CiteScore

10.50

自引率

9.70%

发文量

816

审稿时长

54 days

期刊介绍： Catena publishes papers describing original field and laboratory investigations and reviews on geoecology and landscape evolution with emphasis on interdisciplinary aspects of soil science, hydrology and geomorphology. It aims to disseminate new knowledge and foster better understanding of the physical environment, of evolutionary sequences that have resulted in past and current landscapes, and of the natural processes that are likely to determine the fate of our terrestrial environment. Papers within any one of the above topics are welcome provided they are of sufficiently wide interest and relevance.