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三峡库区不同土地利用类型土壤颗粒分形特征
Alternative TitleFractal Characteristics of Soil Particles Under Different L and Use Types in the Three Gorges Reservoir Region
巨莉1,2; 文安邦1; 郭进1,2; 严冬春1; 史忠林1,2
2011
Source Publication水土保持学报
ISSN1009-2242
Volume7Issue:3Pages:234-237
SubtypeArticle
Contribution Rank1
Abstract采集三峡库区忠县石宝寨4种不同土地利用类型土壤剖面0-40cm土层3个层次12个土壤样品,通过计算和测定土样颗粒体积分形维数及基本性质,以期说明三峡库区中性紫色土土壤颗粒体积分形特征及其与土壤基本性质间的相关性。结果表明,研究区中性紫色土土壤剖面(0-40cm)土壤颗粒体积分形维数D值介于2.638~2.674之间。随土层深度的增加D值总体呈增加趋势,不同土地利用类型之间的 D值存在差异,表现为林地<果园<菜地<水田;D值与土壤粘粒(<0.002mm)体积百分含量呈极显著正相关关系(P<0.01),与土壤粉粒(0.002~0.05mm)体积百分含量的相关性不强,而与砂粒(>0.05mm)体积百分含量呈极显著负相关关系(P<0.01);D值与土壤有机质、全氮、全磷含量不存在显著相关性。
Other AbstractFor searching the characteristics of volume fractal dimension of purple soil particle in the Three Gorges reservoir region and the relationship between volume fractal dimension and the main features of purple soil,twelve soil samples from the four kinds of land use and three soil profiles within 0-40cm depth were presented and tested,and the soil particle size distributions were measured by Mastersizer 2000.Some conclusions could be drawn as follows:The volume fractal dimensions of neutral purple soil(0-40cm) ranged from 2.638to 2.674.The volume fractal dimension increased with the soil depth under single land use,and fractal dimension value of different land use appeared in the order:Forest land0.05mm)contents,in which there was lower correlation with the volume percentage of silt(0.002~0.05mm)contents.In addition,the contents of soil organic matters,soil total nitrogen and soil total phosphorus had no significant correlations.
Keyword紫色土 三峡库区 体积分形维数 土壤颗粒
DOI10.13870/j.cnki.stbcxb.2011.05.046
Indexed ByCSCD
Language中文
CSCD IDCSCD:4335139
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/26037
Collection山地表生过程与生态调控重点实验室
Corresponding Author巨莉
Affiliation1.中国科学院水利部成都山地灾害与环境研究所;
2.中国科学院研究生院
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
巨莉,文安邦,郭进,等. 三峡库区不同土地利用类型土壤颗粒分形特征[J]. 水土保持学报,2011,7(3):234-237.
APA 巨莉,文安邦,郭进,严冬春,&史忠林.(2011).三峡库区不同土地利用类型土壤颗粒分形特征.水土保持学报,7(3),234-237.
MLA 巨莉,et al."三峡库区不同土地利用类型土壤颗粒分形特征".水土保持学报 7.3(2011):234-237.
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