Spatial Distribution and Reserve of Soil Total Carbon in Small Watershed in Loess Plateau

JIA Yu ping; MA Yi juan

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Spatial Distribution and Reserve of Soil Total Carbon in Small Watershed in Loess Plateau

- Spatial Distribution and Reserve of Soil Total Carbon in Small Watershed in Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 24, Issue 5, Pages: 17-19(2005)
- 作者机构：
  
  太原师范学院城市与旅游学院,山西,太原,030012
- 作者简介：
- 基金信息：
- DOI：
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- Published：2005
- 稿件说明：
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JIA Yu ping, MA Yi juan. Spatial Distribution and Reserve of Soil Total Carbon in Small Watershed in Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2005, 24(5): 17-19.
DOI：

JIA Yu ping, MA Yi juan. Spatial Distribution and Reserve of Soil Total Carbon in Small Watershed in Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2005, 24(5): 17-19. DOI：

摘要

以位于黄土高原典型沟壑区的砖窑沟流域为研究区

通过对流域内土壤分层取样分析

运用地统计学方法探讨了流域土壤总碳的空间分布特征

并在运用Kriging插值法生成流域土壤总碳含量空间分布图的基础上

通过构建土壤碳储量估算模型

估算出流域土壤总碳储量。结果表明

砖窑沟流域土壤总碳含量总体上随着深度增加而减少

同一深度层内土壤总碳含量沿梁峁顶部→梁峁坡→沟坝地依次减少;流域内0—100cm深度内土壤总碳储量占0—200cm深度内土壤总碳储量的51.8%。100—200cm深度的土壤碳储量在0—200cm深总碳储量中仍占较大比重。因此

在研究黄土高原土壤碳储量时

100cm深度以下的土壤碳储量不容忽视。

Abstract

According to the data of observed points in Zhuanyaogou watershed in the typical gully region of the loess plateau

spatial distribution characteristics of soil total carbon(STC) content were discussed by geo-statistical approach.The reserve of STC was calculated by modeling on the base of the spatial distribution maps of STC in the watershed made by Kriging.The results indicated that the STC content decreased with the increase of depth.At the same depth

the STC contents were highest on the tops of the hills and were lowest in the gullies.The reserve of STC in the range of 0—100 cm was 51.8% of that in the range 0—200 cm depth in the watershed.The STC storage in the depth of 100—200 cm is important for predicting the total STC reserve in the area of Loess(Plateau.)

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