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Qianqian Wang
School of Geology and Geomatics, Tianjin Chengjian University, No. 26 Jinjing RD, Xiqing District, Tianjin 300384, China

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Journal article
Published: 23 April 2016 in Sustainability
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To realize sustainable urban development that minimizes environmental impacts, the relationship between urban development intensity and eco-environmental stresses should be clearly revealed. This paper focused on the Bohai Rim coastal area, where cities have experienced significant development in the last decade. An index system was developed to quantify the comprehensive urban development intensity (CDI) and comprehensive eco-environment stresses (CES). Remote sensing imagery and statistical data were used to provide indices for CDI and CES. Spatiotemporal analysis was carried out on the correlation between the two indices. The coupling between the CDI and CES was then investigated to explore the urban development characteristics of each city in the study area, its development level, and the trend of urban development. Results showed that human activities surrounding urban development were partly dependent on the use of ecological resources to a certain degree, and that the degree of dependence increased with year. To promote a sustainable level of urban development, the government should focus on not only the high development intensity, but also the high quality of the eco-environment. Dalian was a good model of how to achieve a balance between the two.

ACS Style

Dongchuan Wang; Wengang Chen; Wei Wei; Broxton W. Bird; Lihui Zhang; Mengqin Sang; Qianqian Wang. Research on the Relationship between Urban Development Intensity and Eco-Environmental Stresses in Bohai Rim Coastal Area, China. Sustainability 2016, 8, 406 .

AMA Style

Dongchuan Wang, Wengang Chen, Wei Wei, Broxton W. Bird, Lihui Zhang, Mengqin Sang, Qianqian Wang. Research on the Relationship between Urban Development Intensity and Eco-Environmental Stresses in Bohai Rim Coastal Area, China. Sustainability. 2016; 8 (4):406.

Chicago/Turabian Style

Dongchuan Wang; Wengang Chen; Wei Wei; Broxton W. Bird; Lihui Zhang; Mengqin Sang; Qianqian Wang. 2016. "Research on the Relationship between Urban Development Intensity and Eco-Environmental Stresses in Bohai Rim Coastal Area, China." Sustainability 8, no. 4: 406.

Journal article
Published: 17 December 2015 in Sustainability
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Landslides are usually initiated under complex geological conditions. It is of great significance to find out the optimal combination of predisposing factors and create an accurate landslide susceptibility map based on them. In this paper, the Information Value Model was modified to make the Modified Information Value (MIV) Model, and together with GIS (Geographical Information System) and AUC (Area Under Receiver Operating Characteristic Curve) test, 32 factor combinations were evaluated separately, and factor combination group with members Slope, Lithology, Drainage network, Annual precipitation, Faults, Road and Vegetation was selected as the optimal combination group with an accuracy of 95.0%. Based on this group, a landslide susceptibility zonation map was drawn, where the study area was reclassified into five classes, presenting an accurate description of different levels of landslide susceptibility, with 79.41% and 13.67% of the validating field survey landslides falling in the Very High and High zones, respectively, mainly distributed in the south and southeast of the catchment. It showed that MIV model can tackle the problem of “no data in subclass” well, generate the true information value and show real running trend, which performs well in showing the relationship between predisposing factors and landslide occurrence and can be used for preliminary landslide susceptibility assessment in the study area.

ACS Style

Qianqian Wang; Dongchuan Wang; Yong Huang; Zhiheng Wang; Lihui Zhang; Qiaozhen Guo; Wei Chen; Wengang Chen; Mengqin Sang. Landslide Susceptibility Mapping Based on Selected Optimal Combination of Landslide Predisposing Factors in a Large Catchment. Sustainability 2015, 7, 16653 -16669.

AMA Style

Qianqian Wang, Dongchuan Wang, Yong Huang, Zhiheng Wang, Lihui Zhang, Qiaozhen Guo, Wei Chen, Wengang Chen, Mengqin Sang. Landslide Susceptibility Mapping Based on Selected Optimal Combination of Landslide Predisposing Factors in a Large Catchment. Sustainability. 2015; 7 (12):16653-16669.

Chicago/Turabian Style

Qianqian Wang; Dongchuan Wang; Yong Huang; Zhiheng Wang; Lihui Zhang; Qiaozhen Guo; Wei Chen; Wengang Chen; Mengqin Sang. 2015. "Landslide Susceptibility Mapping Based on Selected Optimal Combination of Landslide Predisposing Factors in a Large Catchment." Sustainability 7, no. 12: 16653-16669.

Journal article
Published: 24 March 2015 in Sustainability
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In the Southwest Mountain areas, successive hydroelectric plant exploitation by humans on Baoxing River can exert a significant impact on regional landscape composition and structure. Taking East Baoxing River Catchment as the study area, the authors developed a method combining Moving Window based Calculation and Spatial Correlation Analysis to analyze the relationship between fragmentation and related spatial factors at a local scale, aiming to examine the spatial distribution rule of the landscape fragmentation and provide scientific support for the conservation of landscape ecology in the study area. From the perspective of the whole study area, although there is no clear relationship between the selected factors and the Change of DIVISION (CODIV), the comparison of R values in the latter interval (2006–2013) with those in the former interval (1999–2006) proves that the human activities of plant building have led to the increase in the DIVISION value. At the local scale, results show that a high positive relationship exists between slope and CODIV (R = 0.857, p-value = 0.05), while the relationship between river distance and CODIV is highly negative (R = −0.837, p-value = 0.01). A medium strong negative relationship lies between elevation and CODIV, while there is almost no linear relationship between distance from Qiaoqi reservoir and CODIV.

ACS Style

Yong Huang; Li Zheng; Dongchuan Wang; Wengang Chen; Qianqian Wang. Spatial Distribution of Fragmentation by Diversion-Typed Hydroelectric Plant Exploitation in East Baoxing Catchment from 1999 to 2013. Sustainability 2015, 7, 3515 -3527.

AMA Style

Yong Huang, Li Zheng, Dongchuan Wang, Wengang Chen, Qianqian Wang. Spatial Distribution of Fragmentation by Diversion-Typed Hydroelectric Plant Exploitation in East Baoxing Catchment from 1999 to 2013. Sustainability. 2015; 7 (4):3515-3527.

Chicago/Turabian Style

Yong Huang; Li Zheng; Dongchuan Wang; Wengang Chen; Qianqian Wang. 2015. "Spatial Distribution of Fragmentation by Diversion-Typed Hydroelectric Plant Exploitation in East Baoxing Catchment from 1999 to 2013." Sustainability 7, no. 4: 3515-3527.