Papers by Erick Kill
Critical situations that cannot be solved by conventional approaches (traditional air quality
mon... more Critical situations that cannot be solved by conventional approaches (traditional air quality
monitoring networks), have the possibility of being managed quickly by a wide network of portable
systems with sensors. The purpose of this research was to calibrate and validate low-cost
sensors. Pilot indoor and outdoor areas, in the central area of Brasilia (Brazil’s capital city) were
chosen for corporative performance evaluation of the sensors. The CO at 99.999% volumetric injection
method has been used in a gas test box, among two MiCS-5521 (CO/VOC) sensors, one being
new and the other one with a short useful life. The number of injections adopted to each volume
(from 1 ml to 6 ml) was 10, rising each sensor’s confidence interval mean. A increase of the
injected volume (ml) of CO resulted in significant decrease in a resistance (Ohms), as shown by a
good inverse relationship on the interaction of these two variables (r = 0.88), with good measurement
accuracy, when compared to the manufacturer’s reference datasheet. Finally, a geospatial
management system was built for the pollution data measured by the low-cost sensors.
The city densification and, consequently, the potential polluting activities have increased signi... more The city densification and, consequently, the potential polluting activities have increased significantly in the last decades, compromising the air quality. Thus, it is necessary to know this scenery to model the pollution behavior and its respective pattern in each region of the Federal District. So, the main goal of this study was to analyze the Aerosol product available by National Aeronautics and Space Administration (NASA) at the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor (TERRA). With these preexisting data, it was possible to analyze the aerosol (AOD) distribution from 2010 and the optical depth. These data were integrated to the processed values of Total Particles in Suspension (PTS) of the eight air quality monitoring stations variably distributed in the Federal District, with two of them (714 south and HUB) kept and managed by the Interdisciplinary Center of Transport Studies (Centro Interdisciplinar de Estudos em Transportes - Ceftru/UnB), correlating the month of October 2010. The study showed that the region of Brasília downtown and the surroundings of the Fercal region, overall, were the ones that kept most of the Aerosol Optical Depth (AOD) and the highest values of the Angström Exponent (AE), which can be attributed to the types of activities performed in these regions.
Conference Presentations by Erick Kill
The city densification and, consequently, the potential polluting activities have increased signi... more The city densification and, consequently, the potential polluting activities have increased significantly in the last decades, compromising the air quality. Thus, it is necessary to know this scenery to model the pollution behavior and its respective pattern in each region of the Federal District. So, the main goal of this study was to analyze the Aerosol product available by National Aeronautics and Space Administration (NASA) at the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor (TERRA). With these preexisting data, it was possible to analyze the aerosol (AOD) distribution from 2010 and the optical depth. These data were integrated to the processed values of Total Particles in Suspension (PTS) of the eight air quality monitoring stations variably distributed in the Federal District, with two of them (714 south and HUB) kept and managed by the Interdisciplinary Center of Transport Studies (Centro Interdisciplinar de Estudos em Transportes - Ceftru/UnB), correlating the month of October 2010. The study showed that the region of Brasília downtown and the surroundings of the Fercal region, overall, were the ones that kept most of the Aerosol Optical Depth (AOD) and the highest values of the Angström Exponent (AE), which can be attributed to the types of activities performed in these regions.
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Papers by Erick Kill
monitoring networks), have the possibility of being managed quickly by a wide network of portable
systems with sensors. The purpose of this research was to calibrate and validate low-cost
sensors. Pilot indoor and outdoor areas, in the central area of Brasilia (Brazil’s capital city) were
chosen for corporative performance evaluation of the sensors. The CO at 99.999% volumetric injection
method has been used in a gas test box, among two MiCS-5521 (CO/VOC) sensors, one being
new and the other one with a short useful life. The number of injections adopted to each volume
(from 1 ml to 6 ml) was 10, rising each sensor’s confidence interval mean. A increase of the
injected volume (ml) of CO resulted in significant decrease in a resistance (Ohms), as shown by a
good inverse relationship on the interaction of these two variables (r = 0.88), with good measurement
accuracy, when compared to the manufacturer’s reference datasheet. Finally, a geospatial
management system was built for the pollution data measured by the low-cost sensors.
Conference Presentations by Erick Kill
monitoring networks), have the possibility of being managed quickly by a wide network of portable
systems with sensors. The purpose of this research was to calibrate and validate low-cost
sensors. Pilot indoor and outdoor areas, in the central area of Brasilia (Brazil’s capital city) were
chosen for corporative performance evaluation of the sensors. The CO at 99.999% volumetric injection
method has been used in a gas test box, among two MiCS-5521 (CO/VOC) sensors, one being
new and the other one with a short useful life. The number of injections adopted to each volume
(from 1 ml to 6 ml) was 10, rising each sensor’s confidence interval mean. A increase of the
injected volume (ml) of CO resulted in significant decrease in a resistance (Ohms), as shown by a
good inverse relationship on the interaction of these two variables (r = 0.88), with good measurement
accuracy, when compared to the manufacturer’s reference datasheet. Finally, a geospatial
management system was built for the pollution data measured by the low-cost sensors.