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Author Vozzi, C.; Ramponi, R.
Title (up) 2015 International Year of Light and beyond Type Magazine Article
Year 2016 Publication Journal of Optics Abbreviated Journal J. Opt.
Volume 18 Issue 1 Pages 010201
Keywords Commentary; International Year of Light; IYL; IYL2015; society
Abstract The 2015 International Year of Light and Light-based Technologies (IYL) is now approaching its end. It has been a year full of excitement worldwide, involving people of all ages in an incredible number of different activities
Address Institute for Photonics and Nanotechnologies (IFN-CNR) Piazza Leonardo da Vinci 32, I-20133 Milan, Italy
Corporate Author Thesis
Publisher IOP Place of Publication Editor
Language English Summary Language English Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2040-8978 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 1428
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Author Rossi, F.; Bonamente, E.; Nicolini, A.; Anderini, E.; Cotana, F.
Title (up) A carbon footprint and energy consumption assessment methodology for UHI-affected lighting systems in built areas Type Journal Article
Year 2016 Publication Energy and Buildings Abbreviated Journal Energy and Buildings
Volume 114 Issue Pages 96-103
Keywords Remote Sensing; Energy
Abstract This paper investigates the effects of urban heat island (UHI) on outdoor lighting systems in terms of GHG emissions: a novel methodology is proposed to assess the carbon footprint (CF) change of lighting services in built areas caused by UHI-induced ΔT with particular focus on the evaluation of the energy consumption. The methodology can be applied also to other activities affected by the UHI, such as HVAC and transport systems. In particular, ΔCF was introduced by a two-fold approach: the quantification of the CF change due to UHI (as difference between CF in an UHI-affected case and CF for an UHI-less case) and the CF change produced by a 1 °C temperature change. A focus on LED lamps was developed: the lifetime of LEDs exponentially decreases with increasing temperature and the luminous flux exponentially decays with operation time. UHI (i.e. the increase in ambient temperature) affects the lifetime and the luminous flux of lamps producing higher energy consumption and higher replacement rates. Results showed that a positive ΔT due to UHI produces a positive ΔCF, which also becomes economically relevant in long-term scenarios. A case study was analyzed by applying the proposed methodology to Rome outdoor public lighting.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0378-7788 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 2483
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Author Coughlin, M.; Stubbs, C.; Claver, C.
Title (up) A daytime measurement of the lunar contribution to the night sky brightness in LSST’s ugrizy bands–initial results Type Journal Article
Year 2016 Publication Experimental Astronomy Abbreviated Journal Exp Astron
Volume 41 Issue 3 Pages 393-408
Keywords Moonlight
Abstract We report measurements from which we determine the spatial structure ofthe lunar contribution to night sky brightness, taken at the LSST site on Cerro Pachonin Chile. We use an array of six photodiodes with filters that approximate the LargeSynoptic Survey Telescope’su, g, r, i, z,andybands. We use the sun as a proxy forthe moon, and measure sky brightness as a function of zenith angle of the point onsky, zenith angle of the sun, and angular distance between the sun and the point onsky. We make a correction for the difference between the illumination spectrum of thesun and the moon. Since scattered sunlight totally dominates the daytime sky bright-ness, this technique allows us to cleanly determine the contribution to the (cloudless)night sky from backscattered moonlight, without contamination from other sourcesof night sky brightness. We estimate our uncertainty in the relative lunar night skybrightness vs. zenith and lunar angle to be between 0.3–0.7 mags depending on thepassband. This information is useful in planning the optimal execution of the LSSTsurvey, and perhaps for other astronomical observations as well. Although our pri-mary objective is to map out the angular structure and spectrum of the scattered lightfrom the atmosphere and particulates, we also make an estimate of the expected num-ber of scattered lunar photons per pixel per second in LSST, and find values that arein overall agreement with previous estimates.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0922-6435 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 3039
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Author Costin, K.J.; Boulton, A.M.
Title (up) A Field Experiment on the Effect of Introduced Light Pollution on Fireflies (Coleoptera: Lampyridae) in the Piedmont Region of Maryland Type Journal Article
Year 2016 Publication The Coleopterists Bulletin Abbreviated Journal The Coleopterists Bulletin
Volume 70 Issue 1 Pages 84-86
Keywords Animals; insects; fireflies; Coleoptera; Lampyridae; Coleoptera Lampyridae; artificial light at night; ecology; light pollution
Abstract (none)
Address Environmental Biology Hood College 401 Rosemont Avenue Frederick, MD 21701, U.S.A.; kjc(at)hood.edu
Corporate Author Thesis
Publisher BioOne Place of Publication Editor
Language English Summary Language English Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0010-065X ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 1406
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Author Walch, O.J.; Cochran, A.; Forger, D.B.
Title (up) A global quantification of “normal” sleep schedules using smartphone data Type Journal Article
Year 2016 Publication Science Advances Abbreviated Journal Science Advances
Volume 2 Issue 5 Pages e1501705-e1501705
Keywords Human Health; Sleep; *Circadian Rhythm; smartphone; society
Abstract The influence of the circadian clock on sleep scheduling has been studied extensively in the laboratory; however, the effects of society on sleep remain largely unquantified. We show how a smartphone app that we have developed, ENTRAIN, accurately collects data on sleep habits around the world. Through mathematical modeling and statistics, we find that social pressures weaken and/or conceal biological drives in the evening, leading individuals to delay their bedtime and shorten their sleep. A country’s average bedtime, but not average wake time, predicts sleep duration. We further show that mathematical models based on controlled laboratory experiments predict qualitative trends in sunrise, sunset, and light level; however, these effects are attenuated in the real world around bedtime. Additionally, we find that women schedule more sleep than men and that users reporting that they are typically exposed to outdoor light go to sleep earlier and sleep more than those reporting indoor light. Finally, we find that age is the primary determinant of sleep timing, and that age plays an important role in the variability of population-level sleep habits. This work better defines and personalizes “normal” sleep, produces hypotheses for future testing in the laboratory, and suggests important ways to counteract the global sleep crisis.
Address
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2375-2548 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kyba @ Serial 1440
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