相关实验视频

Updated: Jun 9, 2025

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

基于累积影响和景观模式的公园冷却效益的评估和优化

Yao Xiong¹, Xinyu Xie², Yunfeng Yang³

¹College of Art and Design, Nanjing Forestry University, Nanjing, China.

Scientific reports

|October 24, 2024

概括

城市公园有效地冷却城市区域,减轻城市热岛 (UHI) 效应. 园区的大小,形状和植被显著影响降温效益,帮助气候适应.

科学领域:

城市气候学城市气候学
环境科学环境科学
景观生态学景观生态学

背景情况:

城市热岛效应 (UHI) 给城市气候适应能力带来了挑战.
城市公园提供了一种减轻UHI和改善城市热环境的战略.
量化公园冷却效益对于有效的城市规划至关重要.

研究的目的:

量化中国南京城市公园的冷却效益.
为了确定影响冷却效应的关键公园特征.
为评估累计公园冷却影响提出新的指数.

主要方法:

对南京20个城市公园的分析.
开发了四个冷却指数:公园冷却面积 (PCA),公园冷却效率 (PCE),公园冷却强度 (PCI) 和公园冷却梯度 (PCG).
园区特征 (园区面积,周边,景观形状指数,NDVI,MNDWI) 和冷却指数之间的相关性分析.

主要成果:

城市公园对周围的热环境产生积极影响.
公园面积和外围与PCA正相关,但与PCE负相关.
NDVI与PCI和PCG正相关;LSI与PCE负相关.
在冷却指数和MNDWI之间没有发现显著的相关性.

结论:

园区的特点,如面积,周边,形状和植被,是制冷效益的关键决定因素.
优化公园设计,包括边界特征和植被,可以增强冷却效应.
不同类型的公园 (特殊,社区,综合) 的战略布局可以最大限度地提高冷却服务和居民利益.

关键词:

城市公园城市公园.降温的好处是冷却的好处累积影响累积影响景观格局的图案景观格局的图案城市热岛是一个城市热岛.

更多相关视频

Design and Construction of an Urban Runoff Research Facility

Design and Construction of an Urban Runoff Research Facility

Published on: August 8, 2014

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

相关概念视频

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

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...

Adaptations that Reduce Water Loss

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.

Quantifying Heat

Quantifying Heat

Manipulation and Analysis

Manipulation and Analysis

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...