التفاصيل البيبلوغرافية
| العنوان: |
[Characteristics of Cd Fluxe in Topsoil Around Typical Mining Area in Hezhou, Guangxi]. |
| المؤلفون: |
Yang YY; Key Laboratory of Karst Dynamics, Ministry of Natural Resources/Guangxi, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China.; Guangxi Karst Resources and Environment Research Center of Engineering Technology, Guilin 541004, China.; Technical Innovation Center of Mine Geological Environmental Restoration Engineering in Southern Karst Area, Ministry of Natural Resources, Nanning 530022, China., Li C; School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China., Yang ZF; School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China., Zhang QZ; Tianjin Center, China Geological Survey, Tianjin 300170, China., Zou SZ; Key Laboratory of Karst Dynamics, Ministry of Natural Resources/Guangxi, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China.; Guangxi Karst Resources and Environment Research Center of Engineering Technology, Guilin 541004, China., Song SE; Liaoning Geological and Mineral Research Institute Co., Ltd., Shenyang 110032, China., Cai HQ; Guangxi Mineral Resources Reserve Evaluation Center, Nanning 530028, China. |
| المصدر: |
Huan jing ke xue= Huanjing kexue [Huan Jing Ke Xue] 2024 Mar 08; Vol. 45 (3), pp. 1739-1748. |
| نوع المنشور: |
English Abstract; Journal Article |
| اللغة: |
Chinese |
| بيانات الدورية: |
Publisher: Ke xue zhu ban she Country of Publication: China NLM ID: 8405344 Publication Model: Print Cited Medium: Print ISSN: 0250-3301 (Print) Linking ISSN: 02503301 NLM ISO Abbreviation: Huan Jing Ke Xue Subsets: PubMed not MEDLINE; MEDLINE |
| أسماء مطبوعة: |
Original Publication: Beijing : Ke xue zhu ban she, |
| مستخلص: |
Guangxi is a typical geological high background area in southwest China, where carbonates, black rock series, basic-ultrabasic rock mass, and metal deposits (mineralized bodies) exhibit strong weathering into loam, resulting in higher cadmium (Cd) content in the soil than that in other areas of China. In order to investigate the degree of influence of mining activities on topsoil environmental quality in the area with high geological background, we chose a mining area and control area in Hezhou for this research and systematically carried out a comparative study on Cd transport routes and transport flux density in topsoil. The results showed that the average atmospheric dry and wet deposition flux densities of Cd in the soil of the mining area and control area were 1.87 g·(hm 2 ·a) -1 and 1.52 g·(hm 2 ·a) -1 , accounting for 61.5% and 60.3% of the total input flux density, respectively. The flux density of Cd in the soil by fertilization and irrigation was lower. Surface water infiltration was the main avenue of soil Cd output in both the mining area and control area, accounting for 75.4% and 86.6% of the total output flux density, respectively. The harvest output flux density in the mining area was higher than that in the control area, and the Cd content of rice planted in the mining area was higher than the standard, whereas that of maize was safe. On the whole, the net transport flux densities of soil Cd in the mining area and control area were -3.05 g·(hm 2 ·a) -1 and -4.05 g·(hm 2 ·a) -1 , both of which showed Cd leaching in the soil. However, the points of high atmospheric deposition flux density and exceeding Cd content in rice were mainly distributed around the mining area, which may have posed a potential threat to the health of local residents. Therefore, it is suggested to control the soil Cd pollution through monitoring and planting structure adjustment. |
| فهرسة مساهمة: |
Keywords: Guangxi Hezhou; annual net fluxes; cadmium (Cd) accumulation; mining areas; topsoil |
| تواريخ الأحداث: |
Date Created: 20240312 Latest Revision: 20240312 |
| رمز التحديث: |
20240313 |
| DOI: |
10.13227/j.hjkx.202303051 |
| PMID: |
38471885 |
| قاعدة البيانات: |
MEDLINE |
