[1]ZHANG Yao-fang,JIANG Dong,SHI Dong-mei,et al.Research on Soil Erosion Characteristics and Soil and Water Conservation Pattern in Coal Mine Exploration Area of Chongqing[J].Research of Soil and Water Conservation,2011,18(06):94-99.
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Research on Soil Erosion Characteristics and Soil and Water Conservation Pattern in Coal Mine Exploration Area of Chongqing
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
18
Number of periods:
2011 06
Page number:
94-99
Column:
Public date:
2011-12-20
- Title:
- Research on Soil Erosion Characteristics and Soil and Water Conservation Pattern in Coal Mine Exploration Area of Chongqing
- CLC:
- S157.1
- DOI:
- -
- Abstract:
- Soil erosion in coal mining area is characterized as the typical artificially accelerated erosion type. According to the erosion landscape of elements, soil erosion in coal mining area mainly occurred in coal gangue dump and subsidence sites in Chongqing. Characteristics of soil erosion in coal gangue dump is mainly identified as reduction of soil erosion with the increase in length of accumulation time and when the slope became gentle the stability will be enhanced on the space scale. In combination with the conditions and main restriction factor of coal gangue dump, it is divided into three types to establish soil and water conservation pattern: extremely difficult to restore type, difficult to restore type, easy to restore type. Characteristics of soil erosion in subsidence area mainly displayed slow course, intensive damage and wide influence, etc. The specific soil and water conservation pattern based on gangue-filling reclamation could be established for agricultural reclamation, forestry reclamation, construction reclamation, respectively, according to the utilization type after land reclamation in subsidence area. The way of growing plants to adsorb and setting clay layer can reduce heavy metal pollution of soil and water and improve the ecoenvironmental quality in coal mining area.
- References:
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