Remote Sensing Cool Roofs

The radiometrically calibrated remotely sensed imagery has high spatial resolution 1 m and four narrow less than 0 1 μm wide band reflectances.

Remote sensing cool roofs.

Ban weiss ga woods j millstein d levinson r submitted. Viewed 7k times 30. Using training samples collected during field surveys thematic classification was able to detect the majority of asbestos surfaces. Evaluating chicago s urban heat island policy with remote sensing chris mackey yale university ron smith yale university and xuhui lee yale university since the great chicago heat wave of 1995 the city government has enacted a large number of policies under the pretense that it is combating its urban heat island.

This paper describes the use of airborne hyperspectral remote sensing for mapping asbestos roofs in an orographic complex area in northern italy the aosta valley. With envi image processing and classification tools you can get roofs from images with some spectral value and then you can convert it some vector data for your app. Results and application to climate modeling. 2012 found that use of cool roofs in chicago for reducing urban heat islands has increased city wide albedo and decreased roof surface temperatures as detected by the landsat satellite.

Ban weiss ga woods j levinson r submitted using remote sensing to quantify albedo of roofs in seven california cities part 1. Failures of these large openings can lead to internal pressurization which can cause additional structural damage to roofs and walls. Considering the total amount of asbestos areas validation showed a correct detection of about 80. Remote sensing and gis have been widely used in urban environmental analysis.

Ask question asked 8 years 4 months ago. Active 8 years 1 month ago. Remote sensing of the urban heat island effect across biomes in the continental usa marc imhoff nasa earth resource technology et al we find that ecological context significantly influences the amplitude of summer daytime uhi urban rural temperature difference the largest 8 c average observed for cities built in biomes dominated by temperate broadleaf and mixed forest. Blue green red and near infrared.

Opensource remote sensing tools for classifying roofs. Cool roof in the metropolitan area of mendoza argentina article pdf available in iop conference series earth and environmental science 503. Various mesoscale climate modeling studies have simulated the climate effects of hypothetical increases in urban albedo. Garage doors or roll up doors on residential and commercial structures are vulnerable components that are often damaged in windstorms.

Albedo quantification using remote sensing techniques. Using remote sensing to quantify albedo of roofs in seven california cities part 2. To derive the albedo of roofs in each city we first locate roof pixels within gis building outlines. This study utilized high spatial resolution oblique remote sensing data to assess the condition of garage doors and roof.