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Author (up) Gălăţanu, C. D., Ashraf, M., Lucache, D. D., Beu, D., & Ciugudeanu, C.
Title OPTICAL UTILIZATION FACTOR FOR ARCHITECTURAL LIGHTING. Type Journal Article
Year 2019 Publication Light & Engineering Abbreviated Journal
Volume 27 Issue 6 Pages 49-57
Keywords Lighting
Abstract Optical utilization factor (OUF) is applied to architectural lighting, searching to obtain low light pollution. It is demonstrated that OUF could not be used for the assessment of light pollution, because the inter-reflections could not be neglected. DIALUX simulations and MATLAB original functions are used. Onsite measurements for illuminance and luminance are performed. It is demonstrated that OUF could be greater than one for the facade. For the small scale inter-reflections, a luminance gain is demonstrated. Due to this, the floodlighting could be reduced. The understanding about the light pollution assessment is changed, which is a major achievement. It means that a greater OUF don't represent a lower light pollution, and also a facade could be more “visible” on lower level of floodlighting.
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Call Number IDA @ intern @ Serial 2964
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Author (up) Galatanu, C.D.
Title Study of Facades with Diffuse Asymmetrical Reflectance to Reduce Light Pollution Type Journal Article
Year 2017 Publication Energy Procedia Abbreviated Journal Energy Procedia
Volume 112 Issue Pages 296-305
Keywords Lighting
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ISSN 1876-6102 ISBN Medium
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Notes Approved no
Call Number LoNNe @ kyba @ Serial 1651
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Author (up) Gao, X.; Li, X.; Zhang, M.; Chi, L.; Song, C.; Liu, Y.
Title Effects of LED light quality on the growth, survival and metamorphosis ofHaliotis discus hannaiIno larvae Type Journal Article
Year 2016 Publication Aquaculture Research Abbreviated Journal Aquac Res
Volume 47 Issue 12 Pages 3705–3717
Keywords Animals; Haliotis discus hannai Ino; larva; LED light quality; initial stage of lighting; embryonic development; abalone; photobiology
Abstract Light is a key environmental factor influencing the growth, development and survival of aquatic organisms. We examined the effects of different light qualities (red, orange, white, blue, green or no light) and developmental stage at initial lighting [fertilized egg (FE), trochophore larva (TL), or eye-spot larva (EL)] on the growth, development, and survival of larvae of the Pacific abalone Haliotis discus hannai Ino. Larva-hatching success was significantly higher under blue, green, or no light compared with red, orange or white light (P < 0.05). Larval abnormalities were significantly increased under red, orange or white light compared with all other light qualities (P < 0.05). The incidence of metamorphosis in larvae illuminated from the TL stage was significantly higher under blue compared with other light qualities. Irrespective of the stage at initial illumination, the incidence of metamorphosis was lower in larvae cultured under red, orange or no light compared with other light qualities, but the differences were not significant (P > 0.05). Juvenile survival was significantly higher under blue or green compared with other light qualities (P < 0.05), with no significant effect of stage at initial illumination (P > 0.05). Larval size at completion of the shell was unaffected by stage at initial illumination, but was greater under blue or green light, while size at metamorphosis was greatest following illumination with blue or green light since the TL or EL stage (P < 0.05). Metamorphosis time was shortest with blue or green light and in cultures illuminated from the FE or TL stage (P < 0.05). Larval development from the FE to formation of the fourth tubule on the cephalic tentacles was fastest in larvae exposed since the FE or TL stage to blue or green light, compared with other light qualities (P < 0.05). However, there was no difference in terms of the rate of development from the FE to the TL stage between cultures lit or unlit since the FE egg stage (P > 0.05). These results suggest that a blue or green light source applied from the TL stage can increase the hatching and yield of H. discus hannai Ino, with important implications for the development of the aquaculture industry.
Address Research and Development Center of Marine Biotechnology, Institute of Oceanology, Chinese Academy of Science, 7 Nanhai Road, Qingdao 266071, Shandong Province, China; 18354292961(at)163.com.
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Publisher Wiley Place of Publication Editor
Language English Summary Language English Original Title
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ISSN 1355557X ISBN Medium
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Notes Approved no
Call Number IDA @ john @ Serial 1340
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Author (up) Garcia-Saenz, A.; Sanchez de Miguel, A.; Espinosa, A.; Valentin, A.; Aragones, N.; Llorca, J.; Amiano, P.; Martin Sanchez, V.; Guevara, M.; Capelo, R.; Tardon, A.; Peiro-Perez, R.; Jimenez-Moleon, J.J.; Roca-Barcelo, A.; Perez-Gomez, B.; Dierssen-Sotos, T.; Fernandez-Villa, T.; Moreno-Iribas, C.; Moreno, V.; Garcia-Perez, J.; Castano-Vinyals, G.; Pollan, M.; Aube, M.; Kogevinas, M.
Title Evaluating the Association between Artificial Light-at-Night Exposure and Breast and Prostate Cancer Risk in Spain (MCC-Spain Study) Type Journal Article
Year 2018 Publication Environmental Health Perspectives Abbreviated Journal Environ Health Perspect
Volume 126 Issue 4 Pages 047011
Keywords Human Health; Remote Sensing; Adult; Aged; Aged, 80 and over; Breast Neoplasms/*epidemiology/etiology; Case-Control Studies; Circadian Rhythm; Female; Humans; Incidence; Light/*adverse effects; Lighting/*adverse effects; Male; Middle Aged; Prostatic Neoplasms/*epidemiology/etiology; Risk Factors; Spain/epidemiology; Young Adult
Abstract BACKGROUND: Night shift work, exposure to light at night (ALAN) and circadian disruption may increase the risk of hormone-dependent cancers. OBJECTIVES: We evaluated the association of exposure to ALAN during sleeping time with breast and prostate cancer in a population based multicase-control study (MCC-Spain), among subjects who had never worked at night. We evaluated chronotype, a characteristic that may relate to adaptation to light at night. METHODS: We enrolled 1,219 breast cancer cases, 1,385 female controls, 623 prostate cancer cases, and 879 male controls from 11 Spanish regions in 2008-2013. Indoor ALAN information was obtained through questionnaires. Outdoor ALAN was analyzed using images from the International Space Station (ISS) available for Barcelona and Madrid for 2012-2013, including data of remotely sensed upward light intensity and blue light spectrum information for each geocoded longest residence of each MCC-Spain subject. RESULTS: Among Barcelona and Madrid participants with information on both indoor and outdoor ALAN, exposure to outdoor ALAN in the blue light spectrum was associated with breast cancer [adjusted odds ratio (OR) for highest vs. lowest tertile, OR=1.47; 95% CI: 1.00, 2.17] and prostate cancer (OR=2.05; 95% CI: 1.38, 3.03). In contrast, those exposed to the highest versus lowest intensity of outdoor ALAN were more likely to be controls than cases, particularly for prostate cancer. Compared with those who reported sleeping in total darkness, men who slept in “quite illuminated” bedrooms had a higher risk of prostate cancer (OR=2.79; 95% CI: 1.55, 5.04), whereas women had a slightly lower risk of breast cancer (OR=0.77; 95% CI: 0.39, 1.51). CONCLUSION: Both prostate and breast cancer were associated with high estimated exposure to outdoor ALAN in the blue-enriched light spectrum. https://doi.org/10.1289/EHP1837.
Address IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain
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ISSN 0091-6765 ISBN Medium
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Notes PMID:29687979; PMCID:PMC6071739 Approved no
Call Number GFZ @ kyba @ Serial 3044
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Author (up) Garratt, M.J.; Jenkins, S.R.; Davies, T.W.
Title Mapping the consequences of artificial light at night for intertidal ecosystems Type Journal Article
Year 2019 Publication Science of The Total Environment Abbreviated Journal Science of The Total Environment
Volume 691 Issue Pages 760-768
Keywords Ecology; Lighting
Abstract Widespread coastal urbanization has resulted in artificial light pollution encroaching into intertidal habitats, which are highly valued by society for ecosystem services including coastal protection, climate regulation and recreation. While the impacts of artificial light at night in terrestrial and riparian ecosystems are increasingly well documented, those on organisms that reside in coastal intertidal habitats are less well explored. The distribution of artificial light at night from seaside promenade lighting was mapped across a sandy shore, and its consequences for macroinvertebrate community structure quantified accounting for other collinear environmental variables known to shape biodiversity in intertidal ecosystems (shore height, wave exposure and organic matter content). Macroinvertebrate community composition significantly changed along artificial light gradients. Greater numbers of species and total community biomass were observed with increasing illumination, a relationship that was more pronounced (increased effects size) with increasing organic matter availability. Individual taxa exhibited different relationships with artificial light illuminance; the abundances of 27% of non-rare taxa [including amphipods (Amphipoda), catworms (Nephtys spp.), and sand mason worms (Lanice conchilega)] decreased with increasing illumination, while 20% [including tellins (Tellinidae spp.), lugworms (Arenicola marina) and ragworms (Nereididae spp.)] increased. Possible causes of these relationships are discussed, including direct effects of artificial light on macroinvertebrate behaviour and indirect effects via trophic interactions. With increasing light pollution in coastal zones around the world, larger scale changes in intertidal ecosystems could be occurring.
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ISSN 0048-9697 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2590
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