关于城市微气候的时空动态:来自固定和可穿戴传感和绘图技术的整合的证据
Roberta Jacoby Cureau1, Carla Balocco2, Ilaria Pigliautile1
1EAPLAB at CIRIAF - Interuniversity Research Center, University of Perugia, Via G. Duranti 67, 06125, Perugia, Italy; Department of Engineering, University of Perugia, Via G. Duranti 63, 06125, Perugia, Italy.
Environmental research
|August 15, 2024
概括
这项研究引入了一种结合固定和移动监测的新方法,用于绘制城市微气候变化的地图. 这种方法有助于制定有针对性的策略,以减轻城市热岛效应及其对健康的影响.
科学领域:
- 环境科学 环境科学
- 城市气候学 城市气候学
- 地理信息系统 地理信息系统
背景情况:
- 城市热岛 (UHI) 对城市中的人类健康构成重大风险.
- 了解城市内微气候的变化对于有效缓解热脆弱性至关重要.
- 现有的方法往往缺乏详细城市规划所需的细节性.
研究的目的:
- 开发和验证一种用于评估城市内微气候变化的新方法.
- 结合固定和移动监测技术,以获得全面的微气候数据.
- 分析城市绿地在减轻局部热量的有效性.
主要方法:
- 利用三个固定天气站进行长期趋势分析.
- 用车载和可穿戴传感器用于短期空间数据的移动监控.
- 在意大利佛罗伦萨使用移动数据进行高分辨率微气候绘制的应用Kriging插值.
主要成果:
- 检测到超局部空气温度变化,最大幅度为3.3°C (夏季中午) 和4.3°C (冬季早晨).
- 生理等效温度 (PET) 表明绿地对邻近的建筑区具有缓解作用.
- 通过减少输入样本来优化移动监控,插值错误只增加了10%.
结论:
- 结合固定和移动监测方法有效地调查UHI和特定地点的缓解潜力.
- 移动数据集可靠地通过插值创建详细的微气候地图.
- 优化的监测策略提高了对城市规划和气候适应至关重要的特定地点细粒度的检测.
相关概念视频
Thermosensation
Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
Temperature Measurement Sites
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Precipitation Processes
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
Environmental Applications of Microorganisms
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
Microenvironments
Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
Microbes and Climate Change
Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...


