Performance evaluation strategy for cool roof based on pixel dependent variable in multiple spatial regressions

Um, Jung‐Sup

doi:10.1007/s41324-017-0099-1

Cited by 6 publications

(5 citation statements)

References 26 publications

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“…However, their study has limitations in determining the general characteristics of the urban thermal environment as it only includes meteorological observations along a specific travel route. Although observation-based methods can obtain accurate measurements, the observations usually are one-dimensional and collected at a single point in time [41,42].…”

Section: Introductionmentioning

confidence: 99%

“…These systems operate at low altitude, have lower cost, greater flexibility and mobility [45]. Equipped with thermal infrared (TIR) spectral sensors mounted on UAVs, the temperature of the monitored area can be rapidly captured in two-dimensional space over an extended period of time and high spatial resolution data can be obtained [25,30,42,44,[46][47][48]. As a consequence of these advantages, the UAV-based remote sensing system superimposed with thermal infrared technology has been applied in topographic mapping [49], forestry monitoring [50], precision agriculture [51,52], natural disaster and environmental monitoring [53], etc.…”

Section: Introductionmentioning

confidence: 99%

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UAS-Based Thermal Photogrammetry for Microscale Surface Urban Heat Island Intensity Assessment in Support of Sustainable Urban Development (A Case Study of Lyulin Housing Complex, Sofia City, Bulgaria)

Dimitrov,

Iliev,

Borisova

et al. 2024

Sustainability

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The urban heat island (UHI) and its intensity is one of the phenomena that are of determining importance for the comfort of living in cities and their sustainable development in the face of deepening climate change. The study is objectively difficult due to the large dynamics like land cover and the considerable diversity of land use patterns in urban areas. Most of the frequently used research practice approaches provide information with problematic spatial and temporal resolution, making them difficult to apply for sustainable urban planning purposes. This paper proposes to calculate SUHI intensity as the difference between the temperature of a given point within a city and the average minimum temperature of the land cover class with the lowest surface temperatures within the same urban area. The study presents the results of the application of thermal photogrammetry based on the use of unmanned aerial systems (UAS), combined with geographic information systems (GIS), in the study of surface urban heat island intensity (SUHI), at the local level for the largest housing complex in Bulgaria–Lyulin district of the capital of Sofia city. The studies were carried out during a heat wave in July 2023. A difference of 16.5 °C was found between locations with SUHI occurrence and of the peripheral non-build and natural land cover types within the urbanized area. The information benefits of locally addressed data and their direct applicability are discussed to support decision-making processes in the planning and management of urban areas, including their climate adaptation and sustainable development.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

UAS-Based Thermal Photogrammetry for Microscale Surface Urban Heat Island Intensity Assessment in Support of Sustainable Urban Development (A Case Study of Lyulin Housing Complex, Sofia City, Bulgaria)

Dimitrov,

Iliev,

Borisova

et al. 2024

Sustainability

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show abstract

Section: Introductionmentioning

confidence: 99%

Integrated Application of Geospatial Technologies and UAS-Based Thermal Photogrammetry for Mapping and Assessment of the Surface Urban Heat Island Intensity for Effective Climate Change Adaptation and Sustainable Development of the Urban Areas

Dimitrov,

Iliev,

Borisova

et al. 2024

Preprint

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The urban heat island (UHI) and its intensity is one of the phenomena that are of determining importance for the comfort of living in cities and their sustainable development in the face of deepening climate change. The study is objectively difficult due to the large dynamics like land cover and the considerable diversity of land use patterns in urban areas. Various approaches and methods are used in research practice, based both on ground measurements and in the use of remote methods and satellite information. However, most of these approaches provide information with problematic spatial and temporal resolution, making them difficult to apply for sustainable urban planning purposes, which require adequate information provision. This paper presents the results of the application of thermal photogrammetry based on the use of unmanned aerial systems (UAS), combined with geographic information systems (GIS), in the study of surface urban heat island intensity (SUHI), at the local level for the largest housing complex in Bulgaria - Lyulin district of the capital of Sofia city. The studies were carried out during a heat wave in July 2023. A difference of 16.5oC was found between locations with SUHI occurrence and suburban areas. The information benefits of locally addressed data and their direct applicability are discussed to support decision-making processes in the planning and management of urban areas, including their climate adaptation and sustainable development.

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“…However, their research had limitations in the determination of overall urban thermal environment characteristics because it only included meteorological observations along a specific travel route. Although observation-based methods can obtain accurate measurements, the observations are one-dimensional and collected at a single time; thus, HICS effectiveness can only be determined in the dimension of a plane surface [32,33]. In contrast, using unmanned aerial vehicle (UAV)-based remote sensing methods with thermal infrared (TIR) spectral sensors mounted on a UAV, the temperature of an observed area can be rapidly captured in a two-dimensional space for a continuous period, and high-spatial-resolution data can be obtained [34][35][36].…”

Section: Introductionmentioning

confidence: 99%

Comparative Analysis of Urban Heat Island Cooling Strategies According to Spatial and Temporal Conditions Using Unmanned Aerial Vehicles(UAV) Observation

Cho,

Yoon,

Lee

2023

Applied Sciences

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Heat island cooling strategies (HICSs) are used to mitigate urban heat island phenomena and adapt to climate change as proposed by the U.S. Environmental Protection Agency (EPA), the Intergovernmental Panel on Climate Change (IPCC), and the World Health Organization (WHO). This study investigated urban heat island reduction and assessed the cooling effect of HICSs under various temporal and spatial conditions in urban areas. The study area was the Mugye-dong urban area in South Korea. To identify the effectiveness of heat island cooling strategies (HICSs), unmanned aerial vehicle (UAV)-based remote sensing and microclimate sensors were used to generate land cover, sky view factor (SVF) distribution, and land surface temperature (LST) maps of the study area. Differences in cooling effect according to spatial density (SD) were identified by dividing the SVF into five intervals of 0.2. Temporal changes were investigated throughout the day and under cloudiness-based meteorological conditions affected by solar radiation or less affected by solar radiation. Lower SD was associated with a greater cooling effect; meteorological conditions affected by solar radiation had a stronger cooling effect. The variation of the daytime cooling effect increased with decreasing SD. The difference in cooling effect between morning and afternoon was <1 °C under conditions less affected by solar radiation. Under conditions affected by solar radiation, the maximum temperatures were −6.716 °C in urban green spaces and −4.292 °C in shadow zones, whereas the maximum temperature was −6.814 °C in ground-based albedo modification zones; thus, differences were greater under conditions affected by solar radiation than under conditions less affected by solar radiation. As a result, it was found that HICS show a high cooling effect, high diurnal variation, and high morning-afternoon deviation under weather conditions with low SD and under conditions affected by solar radiation. This study quantitatively calculated the cooling effect of HICSs applied in urban areas under various spatiotemporal conditions and compared differences by technology. Accordingly, it is believed that it will serve as a basis for supporting the practical effects of the concepts presented by international organizations for climate change adaptation.

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Performance evaluation strategy for cool roof based on pixel dependent variable in multiple spatial regressions

Cited by 6 publications

References 26 publications

UAS-Based Thermal Photogrammetry for Microscale Surface Urban Heat Island Intensity Assessment in Support of Sustainable Urban Development (A Case Study of Lyulin Housing Complex, Sofia City, Bulgaria)

UAS-Based Thermal Photogrammetry for Microscale Surface Urban Heat Island Intensity Assessment in Support of Sustainable Urban Development (A Case Study of Lyulin Housing Complex, Sofia City, Bulgaria)

Integrated Application of Geospatial Technologies and UAS-Based Thermal Photogrammetry for Mapping and Assessment of the Surface Urban Heat Island Intensity for Effective Climate Change Adaptation and Sustainable Development of the Urban Areas

Comparative Analysis of Urban Heat Island Cooling Strategies According to Spatial and Temporal Conditions Using Unmanned Aerial Vehicles(UAV) Observation

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