Results 21 to 30 of about 59,040 (180)

NIGHT SKY BRIGHTNESS ABOVE ZAGREB 2012.-2017.

open access: yesRudarsko-geološko-naftni Zbornik, 2018
The night sky brightness at the RGN site (near the centre of Zagreb, Croatia) was monitored form January 2012. to December 2017. The gathered data show that the average night sky brightness in this period did not change significantly, apart from ...
Željko Andreić
doaj   +1 more source

Evidence That Reduced Air and Road Traffic Decreased Artificial Night-Time Skyglow during COVID-19 Lockdown in Berlin, Germany

open access: yesRemote Sensing, 2020
Artificial skyglow, the brightening of the night sky by artificial light at night that is scattered back to Earth within the atmosphere, is detrimental to astronomical observations and has an impact on ecosystems as a form of light pollution.
Andreas Jechow, Franz Hölker
doaj   +1 more source

Long-Time Trends in Night Sky Brightness and Ageing of SQM Radiometers

open access: yesRemote Sensing, 2022
A very wide-used instrument for the measurement of the Night Sky Brightness (NSB) is the Sky Quality Meter (SQM). One of its important issues is tracking NSB for long time and connecting its variations to changes in outdoor lighting.
Pietro Fiorentin   +5 more
doaj   +1 more source

Monitoring Light Pollution with an Unmanned Aerial Vehicle: A Case Study Comparing RGB Images and Night Ground Brightness

open access: yesRemote Sensing, 2022
There are several tools and methods to quantify light pollution due to direct or reflected light emitted towards the sky. Unmanned aerial vehicles (UAV) are still rarely used in light pollution studies.
Luciano Massetti   +2 more
doaj   +1 more source

Map of Sky Brightness over Greater Bandung and the Prospect of Astro-Tourism

open access: yesIndonesian Journal of Geography, 2019
In this paper, result of moving campaigns of night sky brightness measurement over Greater Bandung area is reported. Though the campaigns were not commenced in ideal condition in terms of cloud cover and moon light contamination, the result is quite ...
Rhorom Priyatikanto   +5 more
doaj   +1 more source

Night-sky brightness monitoring in Hong Kong A city-wide light pollution assessment [PDF]

open access: yes, 2012
Results of the first comprehensive light pollution survey in Hong Kong are presented. The night-sky brightness was measured and monitored around the city using a portable light-sensing device called the Sky QualityMeter over a 15-month period beginning ...
Pun, CSJ, So, CW
core   +1 more source

Sky brightness measurements for different environmental conditions by the example of St. Petersburg

open access: yesSHS Web of Conferences, 2018
St. Petersburg is unique place in Russia with an environmental phenomenon called “white nights” during summertime: sky brightness levels are influenced mostly by environmental conditions.
Kolgushkina Svetlana
doaj   +1 more source

Light pollution in the Tatra National Park [PDF]

open access: yesArchives of Environmental Protection
Light pollution in the form of artificial sky glow affects not only the immediate surroundings of the towns that generate it but also more distant areas, including protected regions. This study examines the extent of the impact of the artificial sky glow,
Tomasz Ściężor   +2 more
doaj   +1 more source

The Gattini cameras for optical sky brightness measurements at Dome C, Antarctica [PDF]

open access: yes, 2007
The Gattini cameras are two site testing instruments for the measurement of optical sky brightness, large area cloud cover and auroral detection of the night sky above the high altitude Dome C site in Antarctica.
Aristidi, E.   +17 more
core   +2 more sources

Quantifying the Impact of Light Pollution on Sea Turtle Nesting Using Ground-Based Imagery

open access: yesRemote Sensing, 2020
Remote sensing of anthropogenic light has substantial potential to quantify light pollution levels and understand its impact on a wide range of taxa.
James Vandersteen   +3 more
doaj   +1 more source

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