Land Use Change in Coastal Cities during the Rapid Urbanization Period from 1990 to 2016: A Case Study in Ningbo City, China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data
2.3. Random Forest (RF) Classification
2.4. Land Use Transition Matrix (LUTM)
2.5. Spatial Variation Analysis
3. Results
3.1. Accuracy Assessment of RF-Derived Land Use Data
3.2. An Overall Sketch of Land Use Change
3.3. Major Types of Land Use Transitions
3.4. Spatial Variations in Major Types of Land Use Transitions by Groups of Spatial Attributes
4. Discussion
4.1. Driving Forces of Land Use Change in Ningbo City
4.2. Policy Implications for Spatial Regulations in Ningbo City
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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No. | Acquisition Date | Sensor | Path/Row | Cloud Cover (%) |
---|---|---|---|---|
1 | 14 August 1990 | Landsat 5 | 118/39,118/40 | 0 |
2 | 12 August 1995 | Landsat 5 | 118/39,118/40 | 0 |
3 | 18 September 2000 | Landsat 7 | 118/39,118/40 | 0 |
4 | 30 July 2005 | Landsat 7 | 118/39 | 2 |
5 | 15 August 2005 | Landsat 7 | 118/39 | 0 |
6 | 19 September 2006 | Landsat 7 | 118/40 | 0 |
7 | 04 June 2005 | Landsat 5 | 118/40 | 4 |
8 | 17 July 2009 | Landsat 5 | 118/39 | 0 |
9 | 20 July 2010 | Landsat 5 | 118/40 | 20 |
10 | 20 July 2016 | Landsat 8 | 118/39 | 1 |
11 | 28 July 2016 | Landsat 7 | 118/40 | 3 |
Code | Land Use Type | Description |
---|---|---|
1 | Construction land | Land covered by construction, including urban or rural residential land, industrial areas, commercial areas, transportation facility areas, etc. |
2 | Agricultural land | Land for growing crops, also called cultivated land or arable land in other studies |
3 | Forest | Land for growing trees, shrubs, and bamboo, as well as coastal mangrove forest |
4 | Water body | Rivers, lakes, sea areas, ponds, reservoirs, etc. |
5 | Other land | Other types of land use, including unused land |
Year | This Study | You’s Study | ||
---|---|---|---|---|
OA (%) | Kappa | OA (%) | Kappa | |
1990 | 87.8 | 0.83 | 92.5 1 | 0.89 1 |
1995 | 91.6 | 0.88 | 94.1 | 0.92 |
2000 | 92.8 | 0.90 | 91.7 | 0.89 |
2005 | 85.5 | 0.81 | 93.6 | 0.91 |
2010 | 88.8 | 0.85 | 93.9 | 0.91 |
2016 | 86.8 | 0.83 | -- | -- |
Year | Construction Land | Agricultural Land | Forest | Water Body | Other Land | |||||
---|---|---|---|---|---|---|---|---|---|---|
Area (km2) | Percentage (%) | Area (km2) | Percentage (%) | Area (km2) | Percentage (%) | Area (km2) | Percentage (%) | Area (km2) | Percentage (%) | |
1990 | 531.51 | 5.71 | 2515.91 | 27.02 | 5351.24 | 57.46 | 903.2 | 9.70 | 10.85 | 0.12 |
1995 | 992.97 | 10.66 | 2519.41 | 27.05 | 4861.08 | 52.20 | 923.62 | 9.92 | 15.61 | 0.17 |
2000 | 1200.56 | 12.89 | 2238.68 | 24.04 | 4756.77 | 51.08 | 1052.1 | 11.30 | 64.59 | 0.69 |
2005 | 1543.87 | 16.58 | 2074.25 | 22.27 | 4646.15 | 49.89 | 988.31 | 10.61 | 60.11 | 0.65 |
2010 | 1515.4 | 16.27 | 2119.07 | 22.75 | 4662.69 | 50.07 | 881.33 | 9.46 | 134.22 | 1.44 |
2016 | 1560.15 | 16.75 | 2289.27 | 24.58 | 4557.1 | 48.93 | 806.55 | 8.66 | 99.62 | 1.07 |
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Zhang, C.; Zhong, S.; Wang, X.; Shen, L.; Liu, L.; Liu, Y. Land Use Change in Coastal Cities during the Rapid Urbanization Period from 1990 to 2016: A Case Study in Ningbo City, China. Sustainability 2019, 11, 2122. https://doi.org/10.3390/su11072122
Zhang C, Zhong S, Wang X, Shen L, Liu L, Liu Y. Land Use Change in Coastal Cities during the Rapid Urbanization Period from 1990 to 2016: A Case Study in Ningbo City, China. Sustainability. 2019; 11(7):2122. https://doi.org/10.3390/su11072122
Chicago/Turabian StyleZhang, Chao, Shuai Zhong, Xue Wang, Lei Shen, Litao Liu, and Yujie Liu. 2019. "Land Use Change in Coastal Cities during the Rapid Urbanization Period from 1990 to 2016: A Case Study in Ningbo City, China" Sustainability 11, no. 7: 2122. https://doi.org/10.3390/su11072122