Research on Green Space Service Space Based on Crowd Aggregation and Activity Characteristics under Big Data—Take Tacheng City as an Example
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data Source and Processing
2.2.1. Urban Green Space Data Sources
2.2.2. POI Data
2.2.3. Population Data
2.2.4. All Input Data Summary
2.3. Methods
2.3.1. Residents’ Living Heat Level
2.3.2. Green Space of Service
(1) Cooling Effect
(2) Rest and Recreation
(3) Disaster Prevention
2.3.3. Green Space Accessibility
3. Results
3.1. Distribution Characteristics of Life Heat in Population
3.2. Spatial Distribution Characteristics of Urban Green Space Cooling Effect Service
3.3. Distribution Characteristics of Green Rest and Entertainment Services in Urban Parks
3.4. Spatial Distribution Characteristics of Disaster Prevention and Avoidance Service in Urban Green Space
3.5. Spatial Distribution Characteristics of Urban Green Space Integrated Function Service
3.6. Accessibility Characteristics of Green Space
3.7. Comprehensive Analysis
4. Discussion
5. Conclusions
- The coverage of green space services and daily activities and aggregation characteristics of the population showed a trend of Sub-Hot area > Hot area > Sub-Cold area > Not Significant area > Cold area. The actual service space of urban green space in crowd activity and aggregation low density area is large, but the coverage rate is the lowest. The satisfaction of green space based on service scope covers up the imbalance of green space resources enjoyed by actual population activities and aggregation. With the increase of population activities and aggregation in low-density areas in urban construction, the problem will become increasingly prominent.
- The overall level of green space accessibility based on population-based aggregation is good, but there is an obvious irregular increasing trend from the old urban area to the outside, which cannot meet the potential needs of people’s daily activities and aggregation, resulting in the imbalance of accessibility space;
- Through comprehensive analysis, it can be seen that the northeast and southwest regions are the focus of later planning and construction, and the southwest region and the old urban area echo each other and attract people’s daily activities. The forest land in the northeast region, as the main green space supply, meets the potential needs generated by the daily population activities and aggregation of the new development urban area and the old urban area, and also serves as a place for rest and entertainment to meet the needs of the activities and aggregation of the people with occasional behaviors in the new and old urban areas after opening up.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Green Space Types | Cooling Effect | Rest and Recreation | Disaster Prevention |
---|---|---|---|
Park green space | √ | √ | √ |
Green buffer | √ 1 | — 2 | √ |
Input Data | Data Type | Data Sources |
---|---|---|
Study area range | vector data | Geospatial Data Cloud (http://www.gscloud.cn/, accessed on 1 April 2022) |
Green space data | vector data | The vector map drawn by combining remote sensing imaging and Tacheng urban green space system planning |
POI data | vector data | Bige Map GIS Office (http://www.bigemap.com/, accessed on 1 April 2022) |
Population data | raster data | WorldPop official (websitehttps://www.worldpop.org/, accessed on 1 April 2022) |
Green Space Types | Scale | Service (Buffering) Radius |
---|---|---|
Park green space | 0.5–1 hm2 | 0.5 km |
1–10 hm2 | 1 km | |
10–50 hm2 | 2 km | |
>50 hm2 | 3 km | |
Green buffer | >0.5 hm2 | 0.3 km |
Type | Cold Area | Sub-Cold Area | Not Significant Area | Sub-Hot Area | Hot Area |
---|---|---|---|---|---|
Area/km2 | 33.735 | 6.246 | 3.148 | 1.687 | 0.994 |
Service area/km2 | 17.664 | 3.989 | 1.889 | 1.072 | 0.625 |
Ratio/% | 52.36 | 63.86 | 60.02 | 63.54 | 62.82 |
Type | 420 m Service Radius | 1250 m Service Radius | ||
---|---|---|---|---|
Service Area/km2 | Ratio/% | Service Area/km2 | Ratio/% | |
Cold Area | 6.7539 | 18.97 | 29.847 | 83.85 |
Sub-Cold Area | 2.0262 | 30.74 | 5.869 | 89.05 |
Not Significant Area | 1.6428 | 49.30 | 3.262 | 97.89 |
Sub-Hot Area | 0.7782 | 43.72 | 1.780 | 100 |
Hot Area | 0.5855 | 55.82 | 1.0488 | 99.98 |
Total | 12.09 | 26.39 | 41.883 | 91.43 |
Type | Cold Area | Sub-Cold Area | Not Significant Area | Sub-Hot Area | Hot Area | Total |
---|---|---|---|---|---|---|
Area/km2 | 33.724 | 6.244 | 3.147 | 1.686 | 0.9938 | 45.81 |
Service Area/km2 | 31.263 | 6.177 | 3.147 | 1.686 | 0.9936 | 43.69 |
Ratio/% | 93.68 | 98.92 | 100 | 100 | 99.98 | 95.37 |
Type | Cold Area | Sub-Cold Area | Not Significant Area | Sub-Hot Area | Hot Area | Total |
---|---|---|---|---|---|---|
Area/km2 | 0.994 | 1.686 | 3.148 | 6.244 | 33.724 | 45.81 |
Service Area/km2 | 0.625 | 1.056 | 1.889 | 3.864 | 16.134 | 24.89 |
Ratio/% | 62.84 | 63.53 | 60.01 | 61.89 | 47.84 | 54.33 |
Serial Number | Green Space Supply Capacity | Life Heat | Green Space Service |
---|---|---|---|
1 | Supply ≥ Demand | Not significant, Sub-hot and Hot | Enjoy |
2 | Supply ≥ Demand | Sub-cold and Cold | Enjoy |
3 | Supply ≤ Demand | Sub-cold and Cold | Not enjoying |
4 | Supply ≥ Demand | Not significant, Sub-hot and Hot | Not enjoying |
5 | Supply ≤ Demand | Not significant, Sub-hot and Hot | Enjoy |
6 | Supply ≤ Demand | Not significant, Sub-hot and Hot | Not enjoying |
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Zhang, T.; Wang, B.; Ge, Y.; Li, C. Research on Green Space Service Space Based on Crowd Aggregation and Activity Characteristics under Big Data—Take Tacheng City as an Example. Int. J. Environ. Res. Public Health 2022, 19, 15122. https://doi.org/10.3390/ijerph192215122
Zhang T, Wang B, Ge Y, Li C. Research on Green Space Service Space Based on Crowd Aggregation and Activity Characteristics under Big Data—Take Tacheng City as an Example. International Journal of Environmental Research and Public Health. 2022; 19(22):15122. https://doi.org/10.3390/ijerph192215122
Chicago/Turabian StyleZhang, Tai, Bin Wang, Yisong Ge, and Chengzhi Li. 2022. "Research on Green Space Service Space Based on Crowd Aggregation and Activity Characteristics under Big Data—Take Tacheng City as an Example" International Journal of Environmental Research and Public Health 19, no. 22: 15122. https://doi.org/10.3390/ijerph192215122