Assessing the Ecological Quality of Nanjing during Its Urbanization Process by Using Satellite, Meteorological, and Socioeconomic Data

Hang, Xin; Li, Yachun; Luo, Xiao‐Chun; Xu, Min; Han, Xiuzhen

doi:10.1007/s13351-020-9150-6

Cited by 39 publications

(19 citation statements)

References 40 publications

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“…In addition, RSEI is completely based on remote sensing data, which is characterized by rich data and easy access and excluding subjective weight setting. It is widely used in watershed (Li et al, 2022;Yang et al, 2021), plain (Ren et al, 2022), city (Hang et al, 2020;Tang et al, 2021), oasis (Gao et al, 2020) and other regions.…”

Section: Introductionmentioning

confidence: 99%

Temporal and Spatial Change Detection of Ecological Environment Quality in Shanxi Province Based on Remote Sensing

Wang

Song²,

Qin³

et al. 2022

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. Long term coal mining produces pollutants such as coal gangue, coal mine gas and mine water. With the rapid urbanization, the increased environmental burden has led to the deterioration of environmental pollution problems, which seriously restricts the harmonious and sustainable development of the ecological economy. In order to understand the changes of the ecological environment in Shanxi Province in the past seven years, this paper selects the ground remote sensing data of Shanxi Province in the winter of 2013–2019 to obtain remote sensing ecological indicators (RSEI) that comprehensively reflect the ground ecological status, and uses spatial autocorrelation and geological detectors to explore the driving factors of the ecological environment differences in Shanxi Province, revealing the dynamic mechanism of the RSEI differences in Shanxi Province. The results show that the overall ecological environment quality in winter in Shanxi Province has a downward trend from 2013 to 2017 and an upward trend from 2018 to 2019. The spatial distribution of ecological environment quality between 2013 and 2019 is positively correlated. The clustering and outlier analysis chart of RSEI shows that in the seven years from 2013 to 2019, there are stable high value clusters in the north of Shanxi Province, while there are more low value clusters in the south. The significance test results show that the output value of the primary industry and the output value of the secondary industry dominated from 2013 to 2019.

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Section: Introductionmentioning

confidence: 99%

Temporal and Spatial Change Detection of Ecological Environment Quality in Shanxi Province Based on Remote Sensing

Wang

Song²,

Qin³

et al. 2022

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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“…A lower spatial resolution reduces the calculation requirements, it also reduces the precision in small-and medium-area research [19]. Highresolution images can better show the changes in the ecological environment quality when small-and medium-scale regions are studied [20]. Ordinarily, ecosystem dynamics can be extracted by remote sensing images with sufficient spatial and temporal resolution, in which the changes related to appropriate ecological indexes can be quickly and accurately monitored [21].…”

Section: Introductionmentioning

confidence: 99%

Research and Analysis of Ecological Environment Quality in the Middle Reaches of the Yangtze River Basin between 2000 and 2019

et al. 2021

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Ecological environment quality is a long-term continuous concept that is affected by various environmental factors. Its assessment has important implications for implementing the planning and protection of dynamic regional ecosystems. Therefore, this study attempted to obtain these indicators (green, dry, wet, heat) through the Google Earth Engine (GEE) platform, and then coupled the ecological environment quality index in the middle reaches of the Yangtze River Basin (MYRB) between 2000 and 2019, based on the remote sensing ecological index (RSEI). The major results show that: (1) changes in the four indicators in summer were more obvious than those in winter, and the changes were concentrated in the central and northern regions of the MYRB; (2) both the modified normalized difference water index (MNDWI) and normalized differential build-up and bare soil index (NDBI) in summer and winter have higher weighting ratios, implying that water body changes and human activities had a greater impact on the ecological environment; and (3) ecological environment quality in the MYRB between 2000 and 2019 was relatively flat. The ecological conditions began to deteriorate in 2008, and substantial ecological degradation was noted in some areas between 2008 and 2019 (18.7% in the central region, 16.0% in the eastern region). The MYRB has an important position in the Yangtze River economic belt and is an important part of the Yangtze River protection. This research could provide a theoretical basis and decision support for the development and protection of the Yangtze River Basin (YRB) green economy.

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“…The RSEI is established typically by conducting a principal component analysis (PCA) of the four indicators [35,36]. The RSEI has proven effective for the change analysis of ecological quality in areas prone to soil erosion, urban areas [37], and for monitoring ecological quality changes in 35 major Chinese cities [38]. However, few studies have sought to elucidate the causal relationships between the spatio-temporal LC patterns and ecological quality changes.…”

Section: Introductionmentioning

confidence: 99%

“…Shan et al (2019) argued that the land consolidation project caused persistent disturbance to ecological environmental quality, and there was a lag for restoration for more than 5 years [40]. Hang et al (2020) discovered that the ecological conditions in the main urban districts of Nanjing improved, whereas the ecological conditions of new urban districts and suburban town centers deteriorated along the urban expansion. The infrastructure construction and real estate development were the main factors [37].…”

Section: Introductionmentioning

confidence: 99%

Assessing Land Cover and Ecological Quality Changes under the New-Type Urbanization from Multi-Source Remote Sensing

Shi

2021

Sustainability

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The traditional rapid urbanization process is the result of a strong focus on economic development, while its ecological and environmental aspects are less focused upon. The “new-type urbanization” (NTU) concept considers ecological conservation during the urbanization process. The different impacts of the two processes on regional ecological environment evolutions remain insufficiently investigated and still draw significant attention from urban planners and land managers when formulating proper land use policies. Thus, this study was designed to fill the gap by evaluating and comparing different effects of the traditional urbanization and NTU on urban land cover (LC) and ecological quality changes in the Jiangbei New Area, Nanjing, China. We first established a LC database using an object-oriented classification of multi-source high-resolution satellite images. Next, we quantified changes in ecological quality using the remote sensing ecological index (RSEI) model. Subsequently, spatial auto-correlation analysis was conducted to detect the clustering trend of the changing ecological quality in the study area over time. The results showed that the overall accuracy of the LC maps was 90.75% in 2009, 91.75% in 2015, and 92.04% in 2019. The average RSEI values of the study area were 0.583, 0.559, and 0.579, respectively. The spatial auto-correlation analysis indicated a strong positive correlation between the ecological qualities. However, the spatial distribution changed slightly from a clustered trend to a more random and dispersed trend as the Moran’s I decreased. The observed changes are attributed to the strict implementation of ecological conservation and restoration policies by the local government in the NTU process, as well as an increased residents’ awareness of protecting natural resources, indicating that the traditional urbanization has a stronger negative disturbance on regional ecological conditions than NTU. The proposed evaluation method can be applied to other similar regions for sustainable urban management.

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Assessing the Ecological Quality of Nanjing during Its Urbanization Process by Using Satellite, Meteorological, and Socioeconomic Data

Cited by 39 publications

References 40 publications

Temporal and Spatial Change Detection of Ecological Environment Quality in Shanxi Province Based on Remote Sensing

Temporal and Spatial Change Detection of Ecological Environment Quality in Shanxi Province Based on Remote Sensing

Research and Analysis of Ecological Environment Quality in the Middle Reaches of the Yangtze River Basin between 2000 and 2019

Assessing Land Cover and Ecological Quality Changes under the New-Type Urbanization from Multi-Source Remote Sensing

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