蕪湖城區(qū)表層土壤黑碳含量及分布特征
[Abstract]:In order to understand the effect of human activities on the accumulation of black carbon in urban soils during the urbanization process, 154 surface soil samples were collected from Wuhu urban area (divided into Jinghu District, Hatojiang District, Yijiang District, Sanshan District and Development Zone). The content of black carbon and organic carbon in soil was determined. The results showed that the black carbon content of soil in Wuhu city was between 0.02 ~ 26.16 g kg~ (-1), the average value was 5.87 g kg~ (-1), and the coefficient of variation was 62.98 g / kg~ (-1). The order of average black carbon content of soil in each functional area from high to low is Jinghu District, Hatoyama District, Sanshan District, Yijiang District and Development Zone, and the black carbon content of soil in Wuhu City is mainly between 510 g kg~ (-1), accounting for 50% of the total samples. The ratio of black carbon to organic carbon in urban soil varies from 0.01 to 0.88, with an average of 0.58, indicating that the main source of black carbon in urban soil in Wuhu is fossil fuel combustion. The distribution of black carbon in different functional areas is different in space, which is closely related to the influence of urban human activities.
【作者單位】: 安徽師范大學國土資源與旅游學院;安徽自然災害過程與防治研究省級實驗室;
【基金】:國家自然科學基金(41371480) 高等學校博士學科點專項科研基金(20123424120003)
【分類號】:X144
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