干旱区生态环境知识资源中心(Arid): 甘肃省兰州白银地区土壤有机碳库储量估算与空间分布特征

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	甘肃省兰州白银地区土壤有机碳库储量估算与空间分布特征
其他题名	RESERVES ESTIMATION AND SPATIAL DISTRIBUTION OF THE ORGANIC CARBON POOL IN LANZHOU-BAIYIN AREA,GANSU PROVINCE
	刘文辉; 李春亮; 吴永强
来源期刊	物探与化探
ISSN	1000-8918
出版年	2012
卷号	36 期号:3 页码:367-371
中文摘要	土壤有机碳库是陆地碳库的主要组成部分,并在陆地碳循环研究中有着重要作用。根据甘肃省兰州白银地区多目标地球化学测量数据,结合各土壤类型分布面积,估算表层土壤(0~20 cm)有机碳密度和储量,并探讨其空间分布特征。研究表明,兰州白银地区表层土壤有机碳平均密度为1.52~7.73 kg/m~2。在空间分布上,榆中县有机碳密度最高,达2.69 kg/m~2,会宁县有机碳密度最低,仅1.56 kg/m~2,总体上呈四周高,中间低的趋势。从土壤类型上看,草甸土有机碳密度最高,达7.73 kg/m~2,灰褐土、栗钙土和石质土次之,为2.96~5.18 kg/m~2,红黏土及淡灰钙土有机碳密度较低,仅为1.52~1.53 kg/m~2。从土地利用现状看,林地有机碳密度最高,这与气候、植被、人类活动有关。
英文摘要	As a key component of land carbon storage,the soil organic carbon storage plays an important role in the study of land carbon recycle.On the basis of multiple target geochemical survey data and distribution of different types of soil in Lanzhou-Baiyin area,the organic carbon density and storage in surface soil(from 0 to 20 cm) were estimated to illustrate its spatial distribution characteristics.The results show that the average surface soil organic density in Lanzhou-Baiyin area ranges from 1.52 to 7.73 kg/m~2.The soil organic density in Yuzhong is higher than that in other areas and reaches 2.69 kg/m~2,while the density in Huining is the lowest and reaches 1.56 kg/m~2.As for soil types,the soil organic carbon density in meadow is the highest and its density reaches 7.73 kg/m2.Soil carbon density in gray cinnamonic soil,chestnut soil and lithosol ranges from 2.96 to 5.18 kg/m~2,and that of red clay and light grey desert soil ranges from 1.52 to 1.53 kg/m~2.Viewed from land use status,the soil organic carbon density in woodland is the highest,and it should be affected by the climate,vegetation and human activity.
中文关键词	土壤有机碳密度 ; 储量估算 ; 空间分布 ; 兰州白银地区
英文关键词	soil organic carbon density estimation of storage spatial distribution Lanzhou-Baiyin area
语种	中文
国家	中国
收录类别	CSCD
WOS类目	MINERALOGY
WOS研究方向	Mineralogy
CSCD记录号	CSCD:4556505
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/228695
作者单位	甘肃省地质调查院, 兰州, 甘肃 730000, 中国
推荐引用方式 GB/T 7714	刘文辉,李春亮,吴永强. 甘肃省兰州白银地区土壤有机碳库储量估算与空间分布特征[J],2012,36(3):367-371.
APA	刘文辉,李春亮,&吴永强.(2012).甘肃省兰州白银地区土壤有机碳库储量估算与空间分布特征.物探与化探,36(3),367-371.
MLA	刘文辉,et al."甘肃省兰州白银地区土壤有机碳库储量估算与空间分布特征".物探与化探 36.3(2012):367-371.