基于土地投入-收益输出协同作用的景观功能空间的结构优化,在云南中部城市聚集区
Yu-Qi Zheng1, Li-Ding Chen2,3,4, Shu-Meng DU2,3
1School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, ChinaState Key Laboratory of Urban and Regional Ecology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
概括
景观功能空间的不平衡阻碍了发展. 这项研究分析了云南中部城市聚集区的土地使用输入和输出,发现了轻微的协调改进,并提出了基于场景的调整,以优化土地使用.
科学领域:
- 生态生态学 生态生态学
- 城市规划 城市规划
- 环境科学 环境科学
背景情况:
- 景观功能空间对于社会需求至关重要,但由于输入-输出不平衡,它可能导致区域生态和社会经济限制.
- 了解这些不平衡是城市聚集区可持续发展的关键.
研究的目的:
- 评估土地使用输入-输出关系和协调在景观功能空间在云南中部城市集群.
- 根据各种协调优先事项,开发和模拟景观功能空间的优化方案.
主要方法:
- 建立土地使用投入和效益输出的评估指数系统.
- 应用合协调模型来评估输入-输出关系.
- 在四个优先情景下使用BP-ANN模型模拟优化方案.
主要成果:
- 生态方面主导着土地使用投入,生态功能作为主要产出,而生活效益从2000年到2020年增加.
- 总体输出-输出协调指数略有改善,从0.43升至0.46,主要是由于生产功能空间.
- 对于生产,生活,生态和以规划为导向的协调场景,需要进行明显的景观结构调整.
结论:
- 土地利用调整是必要的,以协调城市聚合区内的内部功能空间.
- 不同的协调重点需要具体的战略,如土地布局调整或增加土地投资.
相关概念视频
Manipulation and Analysis
61
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
61
Design Example: Sustainability in Concrete Building
229
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
229
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
105
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
105
Levels of Use of a GIS
109
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
109
Design Example: Alignment of a Road Line Using GIS
109
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
109
Design Example: Maintaining Level of an Embankment
128
Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
128


