An approach for the identification of particulate matter in the clouds of Bogotá using satellite imagery analysis [Online First]

Q4 Engineering

Ingenieria y Universidad Pub Date : 2019-06-21 DOI:10.11144/JAVERIANA.IYU23-2.AIPM

Juan Antonio Aragón Moreno, Laura Isabel Espinosa Martínez, Paula Andrea Castañeda Garzón

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引用次数: 0

Abstract

Objective: An analysis of the air quality of Bogotá by identifying clouds during the period from 2013-2017 and verifying patterns of behavior between cloud formation and the concentration of particulate matter is presented. Materials and methods: The study sample includes data provided by the Bogotá Air Quality Monitoring Network (RMCAB), taking into account the concentration of particulate matter, temperature, precipitation, wind direction and wind speed. The data are compared with Landsat 8 satellite images and different combinations of spectral bands through the use of the Geographic Information System (GIS) ArcGis. Results and discussion: A high model correlation is reflected in a percentage greater than 90%, presenting a greater coincidence with a periodicity of two years during the dry period; it is possible to observe that the concentration of pollutants follows the trend of the wind vector lines, and the concentration has a direct correlation with cloud formation, which is influenced by temperature, wind speed and wind direction. Conclusions: This paper provides an alternative for the measurement of particulate matter and contributes to the collection of information on this research topic.

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利用卫星图像分析识别波哥大云中的颗粒物的方法[在线第一]

目的:通过对2013-2017年波哥大空气质量云的识别，分析波哥大空气质量，并验证云的形成与颗粒物浓度之间的行为模式。材料和方法:研究样本包括波哥大空气质量监测网(RMCAB)提供的数据，考虑了颗粒物浓度、温度、降水、风向和风速。通过使用地理信息系统(GIS) ArcGis，将数据与Landsat 8卫星图像和不同光谱波段组合进行比较。结果与讨论:模式相关性较高，在干旱期表现为大于90%的周期，与两年的周期有较大的符合性;可以观察到污染物的浓度遵循风矢量线的趋势，浓度与云的形成有直接的相关性，云的形成受温度、风速和风向的影响。结论:本文为颗粒物的测量提供了一种替代方法，有助于本研究课题的信息收集。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ingenieria y Universidad Engineering-Engineering (all)

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： Our journal''s main objective is to serve as a medium for the diffusion and divulgation of the articles and investigations in the engineering scientific and investigative fields. All the documents presented as result of an investigation will be received, as well as any review about engineering, this includes essays that might contribute to the academic and scientific discussion of any of the branches of engineering. Any contribution to the subject related to engineering development, ethics, values, or its relations with policies, culture, society and environmental fields are welcome. The publication frequency is semestral.