Results 31 to 40 of about 7,565 (287)
Light Pollution Reduction in Nighttime Photography
Nighttime photographers are often troubled by light pollution of unwanted artificial lights. Artificial lights, after scattered by aerosols in the atmosphere, can inundate the starlight and degrade the quality of nighttime images, by reducing contrast and dynamic range and causing hazes.
Chang Liu, Xiaolin Wu 0001
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Exploring carbon dioxide (CO2) emissions from human activities is essential for urban energy conservation and resource management. Remotely sensed nighttime lights from the Suomi NPP-VIIRS provide spatial consistency in and a low-cost way of revealing ...
Kaifang Shi +4 more
doaj +1 more source
Urban Nighttime Leisure Space Mapping with Nighttime Light Images and POI Data [PDF]
Urban nighttime leisure spaces (UNLSs), important urban sites of nighttime economic activity, have created enormous economic and social benefits. Both the physical features (e.g., location, shape, and area) and the social functions (e.g., commercial streets, office buildings, and entertainment venues) of UNLSs are important in UNLS mapping.
Jiping Liu +5 more
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Dynamics and spatial distribution of global nighttime lights [PDF]
Using open source data, we observe the fascinating dynamics of nighttime light. Following a global economic regime shift, the planetary center of light can be seen moving eastwards at a pace of about 60 km per year. Introducing spatial light Gini coefficients, we find a universal pattern of human settlements across different countries and see a global ...
Nicola Pestalozzi +2 more
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Nighttime light data have been proven to be valuable for socioeconomic studies. However, they are not only affected by anthropogenic factors but also by physical factors, and previous studies have rarely examined these diverse variables in a systematic ...
Tao Jia, Kai Chen, Xin Li
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Nighttime lights represent the result of satellite observation of the artificial lighting of human activities on the Earth from space during the night, which provides the excellent opportunity to determine their position, pattern, density, and spatial ...
Milena Panić +4 more
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As an objective social phenomenon, poverty has accompanied the vicissitudes of human society, which is a chronic dilemma hindering human civilization. Remote sensing data, such as nighttime lights imagery, provides abundant poverty-related information ...
Jian Yin, Yuanhong Qiu, Bin Zhang
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Creating a Global Grid of Distributed Fossil Fuel CO2 Emissions from Nighttime Satellite Imagery
The potential use of satellite observed nighttime lights for estimating carbon-dioxide (CO2) emissions has been demonstrated in several previous studies.
Benjamin T. Tuttle +5 more
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Assessing the Impact of the Built-Up Environment on Nighttime Lights in China
Figuring out the effect of the built-up environment on artificial light at night is essential for better understanding nighttime luminosity in both socioeconomic and ecological perspectives.
Cheng Wang +6 more
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This study examines whether the Visible Infrared Imaging Radiometer Suite (VIIRS) nighttime lights can be used to predict population migration in small areas in European Union (EU) countries.
Xi Chen
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