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Author Kuechly, H.U.; Kyba, C.C.M.; Ruhtz, T.; Lindemann, C.; Wolter, C.; Fischer, J.; Hölker, F.
Title Aerial survey and spatial analysis of sources of light pollution in Berlin, Germany Type Journal Article
Year 2012 Publication Remote Sensing of Environment Abbreviated Journal Remote Sensing of Environment
Volume (down) 126 Issue Pages 39-50
Keywords Light pollution; Artificial lighting; Urban analysis; Remote sensing; GIS; Darkness; Spatial analysis; Light at night
Abstract Aerial observations of light pollution can fill an important gap between ground based surveys and nighttime satellite data. Terrestrially bound surveys are labor intensive and are generally limited to a small spatial extent, and while existing satellite data cover the whole world, they are limited to coarse resolution. This paper describes the production of a high resolution (1 m) mosaic image of the city of Berlin, Germany at night. The dataset is spatially analyzed to identify the major sources of light pollution in the city based on urban land use data. An area-independent ‘brightness factor’ is introduced that allows direct comparison of the light emission from differently sized land use classes, and the percentage area with values above average brightness is calculated for each class. Using this methodology, lighting associated with streets has been found to be the dominant source of zenith directed light pollution (31.6%), although other land use classes have much higher average brightness. These results are compared with other urban light pollution quantification studies. The minimum resolution required for an analysis of this type is found to be near 10 m. Future applications of high resolution datasets such as this one could include: studies of the efficacy of light pollution mitigation measures, improved light pollution simulations, economic and energy use, the relationship between artificial light and ecological parameters (e.g. circadian rhythm, fitness, mate selection, species distributions, migration barriers and seasonal behavior), or the management of nightscapes. To encourage further scientific inquiry, the mosaic data is freely available at Pangaea: http://dx.doi.org/10.1594/PANGAEA.785492.
Address Freie Universität Berlin, Department of Earth Sciences, Institute for Space Sciences, Carl-Heinrich-Becker-Weg 6‐10, 12165 Berlin, Germany
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ISSN 0034-4257 ISBN Medium
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Notes Approved no
Call Number IDA @ john @ Serial 188
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Author Sánchez, S. F.; Aceituno, J.; Thiele, U.; Pérez-Ramírez, D.; Alves, J.
Title The Night Sky at the Calar Alto Observatory Type Journal Article
Year 2007 Publication Publications of the Astronomical Society of the Pacific Abbreviated Journal Publ Astron Soc Pac
Volume (down) 119 Issue 860 Pages 1186-1200
Keywords Skyglow, Darkness
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ISSN 0004-6280 ISBN Medium
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Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 1131
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Author Gwiazdsinski, L.; Straw, W.
Title Nights and Mountains. Preliminary Explorations of a Double Frontier Type Journal Article
Year 2018 Publication Revue de géographie alpine Abbreviated Journal rga
Volume (down) 106 Issue 1 Pages
Keywords Commentary; Darkness
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ISSN 0035-1121 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 1866
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Author Challéat, S.; Lapostolle, D.; Milian, J.
Title The Night-time Environment in French Mountain Areas. A Resource and a Transition Operator Towards Sustainability Type Journal Article
Year 2018 Publication Revue de géographie alpine Abbreviated Journal rga
Volume (down) 106 Issue 1 Pages
Keywords Darkness; Society
Abstract This article presents our approach to construct the night-time environment (NE) as an interdisciplinary research subject. Understood within the framework of various French mountain areas, we show that the NE is highly indicative of different development trajectories. We analyse them by combining traditional social science research into territory with the ecosystem approaches of the experimental sciences. We show how the NE resource (NER) is transformed into an operator that facilitates the transition towards sustainability. By highlighting three of the NE’s specifications, this work lays the groundwork for a transdisciplinary approach.
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ISSN 0035-1121 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 1867
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Author Charlier, B.
Title “You Know the Pyrenees by Day – Come See Them by Night...” Reflections on in visu Artialisation of Nocturnal Skyscapes in the Pyrenees Type Journal Article
Year 2018 Publication Revue de géographie alpine Abbreviated Journal rga
Volume (down) 106 Issue 1 Pages
Keywords Society; Economics; Darkness
Abstract “Nocturnal skyscapes. You know the Pyrenees by day – come see them by night... ”: thus the title of an exhibition of photographs set up in 2012 by the Pays de Lourdes et des Vallées des Gaves (Hautes-Pyrénées département) to help raise public awareness about the project for the Pic du Midi International Dark Sky Reserve (IDSR), mainly among the local population and stakeholders in the areas concerned.

Although its evocative title might suggest otherwise, this is rather more than an exhibition on the iconic sites of the Pyrenees seen at night. What it seems to do is to bring out new landscapes that are not just “mountainscapes at night”, or simply night-time versions of landscapes seen by day.

The night skies that characterise these landscapes therefore represent an new category, they need to be considered in their entirety as conveying a meaning that encompasses all that is both construed and material in our relationships with landscape. As in many areas with similar projects either in place (North America, Europe) or emerging (the Cévennes and Mercantour national parks in France, for example), the creation of the Pic du Midi IDSR will have helped to bring a new kind of “landscape object” (Besse, 2009) into being in the Pyrenean region.
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ISSN 0035-1121 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 1869
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