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Labuda, M., Pavličková, K., Števová, J. |
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Title |
Dark Sky Parks – new impulse for nature tourism development in protected areas (National Park Muranska Planina, Slovakia) |
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Journal Article |
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2016 |
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e-Review of Tourism Research |
Abbreviated Journal |
eRTR |
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13 |
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5/6 |
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536-549 |
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Keywords |
Society; tourism; astrotourism; sustainable tourism; dark sky parks |
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Abstract |
Dark Sky Parks are one of important measures to support nature tourism in the protected
areas. In this paper, we introduce the concept of astro-tourism on the model area of National Park Muranska Planina (Slovakia), which should lead to the establishment of Dark Sky Park and the implementation of measures focused on dark sky protection, i.e. the elimination of light pollution over model area. The concept includes the measurement of night sky brightness, the selection of suitable observational sites and lighting plan. It is very important from the view of ecology, e.g. by the protection of night animal species. On the other hand, these characteristics can be fully used in new tourism concept in that protected area. |
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Department of Landscape Ecology, Comenius University, Bratislava, Slovakia; mlabuda(at)fns.uniba.sk, |
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IDA @ john @ |
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2246 |
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Lima, R.C.; da Cunhac, J.P.; Peixinho, N. |
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Title |
Light Pollution: Assessment of Sky Glow on two Dark Sky Regions of Portugal |
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Journal Article |
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Year |
2016 |
Publication |
Journal of Toxicology and Environmental Health, Part A: Current Issues |
Abbreviated Journal |
J Toxicol Environm Health |
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79 |
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7 |
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307-319 |
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Keywords |
Skyglow; Portugal; Peneda-Gerês National Park; Alqueva |
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Artificial light at night (ALAN), producing light pollution (LP), is not a matter restricted to astronomy anymore. Light is part of modern societies and, as a consequence, the natural cycle day–night (bright–dark) has been interrupted in a large segment of the global population. There is increasing evidence that exposure to certain types of light at night and beyond threshold levels may produce hazardous effects to humans and the environment. The concept of “dark skies reserves†is a step forward in order to preserve the night sky and a means of enhancing public awareness of the problem of spread of light pollution worldwide. The aim of this study was to assess the skyglow at two sites in Portugal, the Peneda-Gerês National Park (PNPG) and the region now known as Dark Sky Alqueva Reserve. The latter site was classified as a “Starlight Tourism Destination“ by the Starlight Foundation (the first in the world to achieve this classification) following a series of night sky measurements in situ described herein. The measurements at PNPG also contributed to the new set of regulations concerning light pollution at this national park. This study presents the first in situ systematic measurements of night sky brightness, showing that at the two sites the skies are mostly in levels 3 to 4 of the Bortle 9-level scale (with level 1 being the best achievable). The results indicate that the sources of light pollution and skyglow can be attributed predominantly to contamination from nearby urban regions. |
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Physics, School of Allied Health Technologies of the Polytechnic Institute of Porto, Portugal; |
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Taylor & Francis |
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English |
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IDA @ john @ |
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1408 |
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Mann, M.; Melaas, E.; Malik, A. |
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Title |
Using VIIRS Day/Night Band to Measure Electricity Supply Reliability: Preliminary Results from Maharashtra, India |
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Journal Article |
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2016 |
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Remote Sensing |
Abbreviated Journal |
Remote Sensing |
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8 |
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9 |
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711 |
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Remote Sensing; NPP-VIIRS; VIIRS-DNB; India; South Asia |
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Unreliable electricity supplies are common in developing countries and impose large socio-economic costs, yet precise information on electricity reliability is typically unavailable. This paper presents preliminary results from a machine-learning approach for using satellite imagery of nighttime lights to develop estimates of electricity reliability for western India at a finer spatial scale. We use data from the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar Partnership (SNPP) satellite together with newly-available data from networked household voltage meters. Our results point to the possibilities of this approach as well as areas for refinement. With currently available training data, we find a limited ability to detect individual outages identified by household-level measurements of electricity voltage. This is likely due to the relatively small number of individual outages observed in our preliminary data. However, we find that the approach can estimate electricity reliability rates for individual locations fairly well, with the predicted versus actual regression yielding an R2 > 0.5. We also find that, despite the after midnight overpass time of the SNPP satellite, the reliability estimates derived are representative of daytime reliability. |
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2072-4292 |
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LoNNe @ kyba @ |
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1515 |
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Author |
Zielinska-Dabkowska, K.M. |
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Title |
Night in a big city. Light festivals as a creative medium used at night and their impact on the authority, significance and prestige of a city |
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2016 |
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The Role of Cultural Institutions and Events in the Marketing of Cities and Regions |
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63–90 |
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Lighting; Society |
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Wydawnictwo Uniwersytetu Łódzkiego |
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Łódz, Poland |
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Domanski, T. |
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GFZ @ kyba @ |
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2933 |
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Cheung, I.N.; Zee, P.C.; Shalman, D.; Malkani, R.G.; Kang, J.; Reid, K.J. |
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Title |
Morning and Evening Blue-Enriched Light Exposure Alters Metabolic Function in Normal Weight Adults |
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Journal Article |
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Year |
2016 |
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PloS one |
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PLoS One |
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11 |
Issue |
5 |
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e0155601 |
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Keywords |
Human Health |
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Increasing evidence points to associations between light-dark exposure patterns, feeding behavior, and metabolism. This study aimed to determine the acute effects of 3 hours of morning versus evening blue-enriched light exposure compared to dim light on hunger, metabolic function, and physiological arousal. Nineteen healthy adults completed this 4-day inpatient protocol under dim light conditions (<20lux). Participants were randomized to 3 hours of blue-enriched light exposure on Day 3 starting either 0.5 hours after wake (n = 9; morning group) or 10.5 hours after wake (n = 10; evening group). All participants remained in dim light on Day 2 to serve as their baseline. Subjective hunger and sleepiness scales were collected hourly. Blood was sampled at 30-minute intervals for 4 hours in association with the light exposure period for glucose, insulin, cortisol, leptin, and ghrelin. Homeostatic model assessment of insulin resistance (HOMA-IR) and area under the curve (AUC) for insulin, glucose, HOMA-IR and cortisol were calculated. Comparisons relative to baseline were done using t-tests and repeated measures ANOVAs. In both the morning and evening groups, insulin total area, HOMA-IR, and HOMA-IR AUC were increased and subjective sleepiness was reduced with blue-enriched light compared to dim light. The evening group, but not the morning group, had significantly higher glucose peak value during blue-enriched light exposure compared to dim light. There were no other significant differences between the morning or the evening groups in response to blue-enriched light exposure. Blue-enriched light exposure acutely alters glucose metabolism and sleepiness, however the mechanisms behind this relationship and its impacts on hunger and appetite regulation remain unclear. These results provide further support for a role of environmental light exposure in the regulation of metabolism. |
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Department of Neurology, Northwestern University, Chicago, Illinois, United States of America |
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1932-6203 |
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PMID:27191727 |
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LoNNe @ kyba @ |
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1457 |
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