Results 1 to 10 of about 65,204 (171)
UBVRI night sky brightness at Kottamia Astronomical Observatory [PDF]
Scientific Reports, 2023 Photoelectric observations of night sky brightness (NSB) at different zenith distances and azimuths, covering all the sky, at the Egyptian Kottamia Astronomical observatory (KAO) site of coordinates ϕ = 29° 55.9′ N and λ = 31° 49.5′ E, were done using a ...
Mohamed F. Aboushelib +4 more
doaj +2 more sources
Nighttime light dynamics reveal peri-urban brightening and population decoupling in the Chengdu Chongqing megaregion [PDF]
Scientific ReportsNight-time light (NTL) composites offer a unique spatiotemporal view of urban growth by capturing electricity consumption, infrastructure density, and economic activity patterns that traditional land-cover surveys cannot fully reveal, yet inland China’s ...
Wenli Liang, Rui Liu, Pinglang Kou
doaj +2 more sources
Odia Ofeimun at 70: The Poet Ages
Yoruba Studies Review, 2021 To you whose name rattles the tongues of looters and whose verses wrench their hearts, I bring a song of the season. Odia, who among us does not know that before the arrival of thunder there is rain?
Toyin Falola
doaj +3 more sources
Light pollution in ultraviolet and visible spectrum: effect on different visual perceptions. [PDF]
PLoS ONE, 2013 In general terms, lighting research has been focused in the development of artificial light with the purpose of saving energy and having more durable lamps.
Héctor Antonio Solano Lamphar +1 more
doaj +1 more source
Open Rivers, 2023 I slide my kayak into the tranquil waters of the Chesapeake Bay as the first glow of sunrise is appearing behind me in the eastern sky. The bay is quiet today, waters smooth as glass as only happens a few times during the summer.
doaj +1 more source
The lighting of housing estate parking spaces as a source of light pollution
Technical Transactions, 2023 This publication is devoted to the problem of lighting in parking spaces in a housing estate. Both aspects related to the safety of their users and the potential impact on the natural environment through the phenomenon of light pollution are discussed ...
Tomasz Ściężor
doaj +1 more source
Technical Transactions, 2022 This paper is devoted to the extremely important issue of lighting pedestrian and pedestrian-driving routes within a housing estate. Both aspects are discussed with regard to the safety of route users and the potential impact on the natural environment ...
Ściężor Tomasz
doaj +1 more source
NSKY-CD: A System for Cloud Detection Based on Night Sky Brightness and Sky Temperature
Remote Sensing, 2023 Cloud cover is important meteorological information that still requires expensive equipment to be monitored from the ground, especially at night. The use of artificial lights at night causes light pollution, and clouds amplify this by reflecting light ...
Luciano Massetti +2 more
doaj +1 more source
Remote Sensing, 2021 In April 2020, due to the coronavirus pandemic and the tourism decrease in Cracow (Poland), the Road Authority of the City of Cracow, followed by the authorities of several neighbouring municipalities, decided to turn off street lighting at night.
Tomasz Ściężor
doaj +1 more source
Calibrating Nighttime Satellite Imagery with Red Photometer Networks
Remote Sensing, 2023 The data retrieved from satellite imagery and ground-based photometers are the two main sources of information on light pollution and are thus the two main tools for tackling the problem of artificial light pollution at night (ALAN). While satellite data
Borja Fernandez-Ruiz +5 more
doaj +1 more source