Spatial distribution characteristics and main influencing factors of soil thickness in Shijing-Dongtian area, Nan'an City, Fujian Province
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摘要: 在福建省南安市石井—东田地区开展了土壤垂向剖面野外地质调查，根据调查结果制作了南安市石井—东田地区土壤厚度空间分布图，探讨了该区土壤厚度空间分布特征及主要影响因素。石井—东田地区土壤厚度背景值以20 cm和15 cm的土壤层为主，其次为土壤厚度背景值为35 cm和10 cm的土壤层。福建沿海地区土壤厚度空间变异的主要影响因素为土壤成因和地面坡度。沉积环境越稳定、人为或自然干扰因素越小的区域，土壤层越厚；土壤厚度与地面坡度呈负相关，地面坡度越陡，土壤层越薄。Abstract: The field geological survey on soil vertical profile was carried out in Shijing-Dongtian area of Nan'an City, Fujian Province, and the spatial distribution map of soil thickness in Shijing-Dongtian area of Nan'an City is drawn in accordance with the survey results, indicating its distribution characteristics and main influencing factors in the region. The background values of soil thickness in Shijing-Dongtian working area are 20 cm and 15 cm in general, followed by 35 cm and 10 cm soil thickness background values. The main influencing factors of spatial variability of soil thickness in Fujian coastal areas are soil genesis and ground slope. The more stable the sedimentary environment with less human and natural interference, the thicker the soil layer; the soil thickness is negatively related to the ground slope, which means the steeper the ground slope, the thinner the soil thickness.
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Key words:
- soil thickness /
- parent material /
- slope /
- spatial distribution
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