Landscape planning model design and layout of loess hills in coal mining area of northern Shaanxi：A study of the subsidence area of Ningtiaota Coal Mine

Authors

SHANG Jianxuan, Shaanxi Coal and Chemical Industry Group Co., Ltd., Xi’an 710100, ChinaFollow
GAO Yakun, State Key Laboratory Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
YANG Fan, Shenmu Zhangjiamao Mining Co., Ltd., Shaanxi Coal Industry Group, Shenmu 719316, China
BI Yinli, State Key Laboratory Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China; Institute of Ecological Environment Restoration in Mine Areas of West China, Xi’an University of Science and Technology, Xi’an 710054, ChinaFollow
QUAN Wenzhi, Institute of Ecological Environment Restoration in Mine Areas of West China, Xi’an University of Science and Technology, Xi’an 710054, China
MA Shaopeng, State Key Laboratory Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
ZHANG Yanxu, State Key Laboratory Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China

Abstract

The coal mining area of northern Shaanxi is an important coal base of China, and the large amount of coal mining will cause surface subsidence and landscape disturbance. Taking the subsidence area of Ningtiaota Mine in northern Shaanxi as an example, this paper comprehensively analyzes the landscape problems in loess hilly landform through the combination of indoor statistical analysis, field investigation, qualitative-quantitative methods. The landscape pattern planning, design and layout are carried out, which provides reference for the landscape planning of underground mine area in this landform types. It is found that there are four problems in the above ground landscape: the fragmentation of natural landscape and the lack of overall layout of ecological environment; dynamic of underground coal mining and the lack of linkage mechanism in above ground landscape planning; the low efficiency of land resource utilization and the lack of organic link between landscape ecology and industrial economy; drought and depletion of environmental soil and the lack of connection between landscape reconstruction and technical support. In view of these problems, a zoning planning model based on the classification of slope and aspect, a space-time planning model of three phases and two zones, a plant combination planning based on compound planting model, and a technical planning model based on microbial fertilizer, UAV aerial seeding and mine water reuse are constructed. In addition, the comprehensive ecological, economic and social benefits are analyzed. The above has laid a foundation for the subsequent survival and development of the mining area and the upgrading and transformation of ecological economy.

Keywords

landscape planning, model design, problems of landscape, classification of slope and aspect, comprehensive benefit, hilly loess, mining subsidence area

DOI

10.12363/issn.1001-1986.21.11.0659

Recommended Citation

SHANG Jianxuan, GAO Yakun, YANG Fan, et al. (2022) "Landscape planning model design and layout of loess hills in coal mining area of northern Shaanxi：A study of the subsidence area of Ningtiaota Coal Mine," Coal Geology & Exploration: Vol. 50: Iss. 7, Article 16.
DOI: 10.12363/issn.1001-1986.21.11.0659
Available at: https://cge.researchcommons.org/journal/vol50/iss7/16

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