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Author Habib, A.; Pullivelli, A.; Mitishita, E.; Ghanma, M.; Kim, E.-M.
Title Stability analysis of low-cost digital cameras for aerial mapping using different georeferencing techniques. Type Journal Article
Year 2006 Publication The Photogrammetric Record Abbreviated Journal
Volume 21 Issue 113 Pages 29–43
Keywords (up) Remote Sensing
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 944
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Author Chalkias, C.; Petrakis, M.; Psiloglou, B.; Lianou, M.
Title Modelling of light pollution in suburban areas using remotely sensed imagery and GIS Type Journal Article
Year 2006 Publication Journal of Environmental Management Abbreviated Journal J Environ Manage
Volume 79 Issue 1 Pages 57-63
Keywords (up) Remote Sensing; Air Pollutants/*analysis; Cities; Environmental Monitoring/*methods; *Geographic Information Systems; Greece; Humans; *Light; Models, Theoretical; *Suburban Health
Abstract This paper describes a methodology for modelling light pollution using geographical information systems (GIS) and remote sensing (RS) technology. The proposed approach attempts to address the issue of environmental assessment in sensitive suburban areas. The modern way of life in developing countries is conductive to environmental degradation in urban and suburban areas. One specific parameter for this degradation is light pollution due to intense artificial night lighting. This paper aims to assess this parameter for the Athens metropolitan area, using modern analytical and data capturing technologies. For this purpose, night-time satellite images and analogue maps have been used in order to create the spatial database of the GIS for the study area. Using GIS advanced analytical functionality, visibility analysis was implemented. The outputs for this analysis are a series of maps reflecting direct and indirect light pollution around the city of Athens. Direct light pollution corresponds to optical contact with artificial night light sources, while indirect light pollution corresponds to optical contact with the sky glow above the city. Additionally, the assessment of light pollution in different periods allows for dynamic evaluation of the phenomenon. The case study demonstrates high levels of light pollution in Athens suburban areas and its increase over the last decade.
Address Department of Geography, Harokopio University, El. Venizelou Str., Kalithea, 17671 Athens, Greece. xalkias@hua.gr
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Language English Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 0301-4797 ISBN Medium
Area Expedition Conference
Notes PMID:16171928 Approved no
Call Number LoNNe @ kagoburian @ Serial 729
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Author Sella, K.N.; Salmon, M.; Witherington, B.E.
Title Filtered Streetlights Attract Hatchling Marine Turtles Type Journal Article
Year 2006 Publication Chelonian Conservation and Biology Abbreviated Journal Chelonian Conservation and Biology
Volume 5 Issue 2 Pages 255-261
Keywords (up) Reptilia; Testudines; Cheloniidae; Loggerhead turtle; turtles; marine turtles; reptiles; Caretta caretta; Chelonia mydas; hatchlings; artificial lighting; light “trapping”; orientation; seafinding; Florida
Abstract On many nesting beaches, hatchling marine turtles are exposed to poled street lighting that disrupts their ability to crawl to the sea. Experiments were done to determine how hatchlings responded to street lighting transmitted through 2 filters that excluded the most disruptive wavelengths (those <&#8201;530 nm; those <&#8201;570 nm). Filtered lighting, however, also attracted the turtles though not as strongly as an unfiltered (high-pressure sodium vapor) lighting. Filtering is therefore of limited utility for light management, especially since other alternatives (such as lowering, shielding, or turning off unnecessary lighting; use of dimmer lights embedded in roadways) are more effective.
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ISSN 1071-8443 ISBN Medium
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Notes Approved no
Call Number IDA @ john @ Serial 78
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Author IDA
Title Dark-Sky Park Program Type Journal Article
Year 2006 Publication edited by International Dark-Sky Association Abbreviated Journal
Volume Issue Pages 11
Keywords (up) Skyglow
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 763
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Author Shirkey, R. C.
Title A Model for Nighttime Urban Illumination Type Journal Article
Year 2006 Publication Abbreviated Journal
Volume Issue Pages
Keywords (up) Skyglow
Abstract The Army increasingly relies on night operations to accomplish its objectives. These night operations frequently require using Night Vision Goggles and other light-sensitive devices which are strongly affected by ambient lighting, a large component of which is urban. An urban illumination model is proposed for use in tactical decision aids and wargames which would allow for more accurate prediction of target acquisition ranges and increased realism in simulations. This model will build on previous research that predicts broadband brightness as a function of population and distance from the city center. Since city population and aerosols affect light distributions, the model is being extended and generalized for multiple city types and natural and man-made aerosols. An overview of the model along with future improvements will be presented.
Address
Corporate Author ARMY RESEARCH LAB WHITE SANDS MISSILE RANGE NM COMPUTATIONAL AND INFORMATION SCIENCE DIRECTORATE Thesis
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Notes ADA497505 Approved no
Call Number GFZ @ kyba @ Serial 1977
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