Authortowhomcorrespondenceshouldbeaddressed;
ResearchCenterforUrbanEnwronmentalTechnologyandManagement;
DepartmentofCivilandStructuralEngineering;
DepartmentofChemistry;
ZhongshanUniversity.Guanazhou510275P.R.China;
StateKeyLaboratoryofLoess&QuatemaryGeology;
InstituteofEarthEnvironment;
ChineseAcademyofSciences.Xi'an710054P.R.China;
ZhuhaiEnvironmentalMonitoringStation;
Zhuhai519000.P.R.China;
有机碳; 空间分布; 周期性分布; 中国; 珠江三角洲; 元素碳; 大气颗粒; 气溶胶;