Problems of Ecological Environment in Western China

2004 ◽  
Vol 37 (3) ◽  
pp. 15-20 ◽  
Author(s):  
ZHANG WENJUAN ◽  
GAO JIXI
Keyword(s):  
Western China ◽  
Ecological Environment

scholarly journals Movement Law and Discriminant Method of Key Strata Breakage Based on Microseismic Monitoring

2019 ◽  
Vol 2019 ◽  
pp. 1-19 ◽  
Author(s):  
Yang Li ◽  
Tianhong Yang ◽  
Weidong Song ◽  
Ling Yu
Keyword(s):  
High Intensity ◽  
Microseismic Monitoring ◽  
Geological Structure ◽  
Western China ◽  
Dynamic Monitoring ◽  
Ecological Environment ◽  
Environmental Damage ◽  
Key Strata ◽  
Key Stratum ◽  
Working Face

Because of the unique natural geography, geological structure, and ecological environment, there are serious geological disasters and environmental damage caused by the high-intensity mining in Western China. It seriously restricts the development of coal resources and the protection of ecological environment. In order to fully capture the law of key stratum breakage with high-intensity mining, the IMS microseismic system was introduced into Xiaojihan coal mine which is a typical high-intensity mining mine in Western China, and the whole process dynamic monitoring was carried out. The process of key stratum breakage was analysed by MS data, which were in agreement with the pressure analysis results of the hydraulic support of the working face. The results showed that there were the obvious forewarning characteristics in microseismic event number, energy release, energy index, Schmidt number, coefficient of seismic response, and b value when the key stratum was breaking. Then, a method to discriminate the breakage of key stratum was proposed by using the forewarning characteristics, which could provide the guidance for prevention and control of geological hazards in the working face with high-intensity mining.

Study on Ecological Environment Compensation Mechanism about Mineral Resources Development in Western China

2012 ◽  
Vol 518-523 ◽  
pp. 5160-5164
Author(s):  
Min An Tang ◽  
Bao Ling Sun ◽  
Huan Yan Xu
Keyword(s):  
Mineral Resources ◽  
Western China ◽  
Ecological Environment ◽  
Compensation Mechanism ◽  
Environment Impact ◽  
Compensation Policy ◽  
Ecological Compensation ◽  
Key Issues ◽  
Important Position

This paper firstly introduces the important position of western mineral resources in China and the important role of mining development for economic development in western region and China, and then lists the ecological environment impact caused by mining action and analyzes the necessity of ecological compensation mechanism. Finally it discusses the key issues about ecological compensation policy, and presents some relevant recommendations about construction of eco-compensation mechanism.

The Dynamic Analysis of Biocapacity and Driving Force in Minqin Oasis of Western China over the Past 20 Years

2011 ◽  
Vol 356-360 ◽  
pp. 2838-2847
Author(s):  
Jun Du ◽  
Dong Xia Yue ◽  
Jian Jun Guo ◽  
Jia Jing Zhang ◽  
He Wen Niu ◽  
...  
Keyword(s):  
Economic Development ◽  
Land Reclamation ◽  
Water Shortage ◽  
Western China ◽  
Ecological Environment ◽  
Analysis Techniques ◽  
The Past ◽  
Spatio Temporal ◽  
Minqin Oasis ◽  
The Relationship

Ecological environment is the basis for human interdependence and development, so regional economic development must take into account the security situation of ecological environment and biocapacity. Based on the Ecological Footprint methodology, using remote sensing and GIS spatial analysis techniques, the biocapacity of Minqin oasis in Gansu in 1990, 2000 and 2009 was quantitatively calculated, and its spatio-temporal pattern analysis was also analyzed. The results showed：over the past two decades, there have been increasingly noticeable alterations to Minqin oasis; as a result, land reclamation activities have led to an increase in the areas of cropland, meaning that its biocapacity is rising, while the biocapacity of forest and pasture is decreasing. The biocapacity in space shows that the high-value area aggregation is augmented, there is an increased scope of area, and the focus of biocapacity has shifted. However, after 2000, with the water shortage, abandonment issues being highlighted and the aggravation of desertification, biocapacity has decreased, and additionally, the relationship between land and man has become strained. The changes of biocapacity are all closely linked with population growth, socio-economic development, agriculture structure, and water scarcity.

Ecological Environment Issue in the Western Oil-Gas Resources Development

2011 ◽  
Vol 347-353 ◽  
pp. 218-224
Author(s):  
Yi Fei Liu ◽  
Long Long Chen
Keyword(s):  
Economic Development ◽  
Local Economic Development ◽  
Western China ◽  
Ecological Environment ◽  
Environment Pollution ◽  
Oil Companies ◽  
Oil Development ◽  
Oil Resources ◽  
Long Time ◽  
Oil Gas

Abstract. In the western China, since special geographical condition, vulnerable ecological environment and environment pollution from oil development, the regional economic society suffers from dire threats. For a long time, the local economic development walks along the same path that “treatment after pollution, recovery after damage”. In order to economic development, many governments pay a little attention at environment. So, the ecological environment must be taken attention to protect and the west oil companies must undertake the society obligation and protect the environment during the domestic oil resources strategic shift from east to west. In this article, the effects on ecological environment from oil development of northwest oilfields were analyzed, and the reasonable measures were put forward to protect the vulnerable environment.

scholarly journals Government Environmental Information Disclosure and Environmental Performance: Evidence from China

2021 ◽  
Vol 13 (12) ◽  
pp. 6854
Author(s):  
Xiaoya Zhu ◽  
Yunli Zhu ◽  
Xiaohua Meng
Keyword(s):  
Environmental Performance ◽  
Local Governments ◽  
Information Disclosure ◽  
Environmental Governance ◽  
Eastern China ◽  
Policy Instrument ◽  
Environmental Information ◽  
Western China ◽  
Ecological Environment ◽  
Environmental Information Disclosure

Government environmental information disclosure (GEID) is a key policy instrument in environmental governance. Local governments in China are improving the disclosure level of environmental information, but does the environmental information disclosed by local governments reflect the existing state of the local ecological environment? This paper analyzes the correlation between GEID and environmental performance and verifies whether or not the environmental information disclosed by local governments can reflect actual local ecological environment conditions. Based on data from Chinese cities, this paper adopts a multiple regression method, and the results show that the environmental information disclosed by governments can reflect the local environmental performance as a whole, and the higher the level of GEID, the better the local environmental performance; but the relationship between the two has significant regional differences. In eastern China, the higher the level of GEID, the better the local environmental performance. In central and western China, the correlation between GEID and environmental performance is not significant. In addition, it should be noted that the correlation between the level of GEID and the emission intensity of water pollutants is not significant in all regions. This study contributes to further clarifying the effectiveness of GEID policy and identifying a breakthrough for the optimization of environmental policies faced with the dilemma of serious environmental pollution and urgent economic development needs.

Cumulative Effect of Cascade Hydropower Development on Water Quantity Process in the Upper Wu River of Western China

2014 ◽  
Vol 955-959 ◽  
pp. 2973-2978
Author(s):  
Hua Wang ◽  
Kun Xia ◽  
De Peng Song ◽  
Yang Tang
Keyword(s):  
Hydrological Model ◽  
Cumulative Effect ◽  
Measured Data ◽  
Western China ◽  
Ecological Environment ◽  
Water Quantity ◽  
Distributed Hydrological Model ◽  
Hydropower Development ◽  
Flood Season ◽  
Hydropower Stations

The Wu River Basin in western China is experiencing extensive hydropower development. Concerns have been raised about the consequences of the development for the ecological environment. In this paper, we assess the cumulative effect of six hydropower stations on water quantity process in the upper Wu River by using a combination of measured data and a distributed hydrological model based on MIKE11. The results show that the operation of hydropower stations averaged the runoff distribution that increased the November-April discharge by 10-176% and decreased the May-October discharge by 6-38%. Furthermore, the effect of averaging runoff distribution would be more obvious along with the adjustment of hydropower cascade stations due to cumulative effect, the differential ratio of mean discharge in flood season and dry season decreased from 79.3% to 20.4% along with the hydropower stations. Thus the water quantity process in the upper Wu River has been significantly altered by cascade hydropower development, but what the consequences are for the ecological environment, needs further study.

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