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Author (up) Amavilah, V.H.
Title Artificial nighttime lights and the “real” well-being of nations : “Measuring economic growth from outer space” and welfare from right here on Earth Type Journal Article
Year 2018 Publication Journal of Economics and Political Economy Abbreviated Journal
Volume 5 Issue 2 Pages 209-218
Keywords Economics; Remote Sensing
Abstract GDP remains too much of an imprecise measure of the standard of living. There

is a need for either substitutes or complements. Nighttime lights are a reasonable indicator of the extent, scale, and intensity of socio-economic activities, but a poor measure of national welfare. However, if nighttime lights are understood to constitute externalities, then their effects can be used to adjust measured growth for welfare. From that angle, nighttime lights appear to exert sub-optimal positive externalities in developing countries, and supra-optimal negative externality in developed countries. This means that even if we assume equal growth rates in developing and developed countries, welfare is enhanced by increasing nighttime lights in developing countries and reduced by increasing nighttime lights in developed countries.
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Call Number NC @ ehyde3 @ Serial 2099
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Author (up) Amir, S.; Stewart, J.
Title The effectiveness of light on the circadian clock is linked to its emotional value Type Journal Article
Year 1999 Publication Neuroscience Abbreviated Journal Neuroscience
Volume 88 Issue 2 Pages 339-345
Keywords Society
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ISSN 0306-4522 ISBN Medium
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 987
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Author (up) Anbalagan, M.; Dauchy, R.; Xiang, S.; Robling, A.; Blask, D.; Rowan, B.; Hill, S.
Title SAT-337 Disruption Of The Circadian Melatonin Signal By Dim Light At Night Promotes Bone-lytic Breast Cancer Metastases Type Journal Article
Year 2019 Publication Journal of the Endocrine Society Abbreviated Journal
Volume 3 Issue Supplement_1 Pages
Keywords Animals
Abstract Breast cancer metastasis to bone is a major source of morbidity and mortality in women with advanced metastatic breast cancer. Morbidity from metastasis to bone is compounded by the fact that they cannot be surgically removed and can only be treated with chemotherapy and/or radiation therapy. Thus, there is critical need to develop new treatment strategies that kill bone metastatic tumors and reduce osteolytic lesions to improve patient quality of life and extend patient survival. Circadian rhythms are daily cycles of ~24 h that control many if not most physiologic processes and their disruption by exposure to light at night (LAN) or jet lag has been shown to be strongly associated with the development of cancer, particularly breast cancer. We have found that disruption of the anti-cancer circadian hormone melatonin (MLT) by light at night can significantly enhance the metastatic potential in breast cancer cells. Our work supports the report of the International Agency for Research on Cancer that shift work is a “probable human carcinogen” and highlights the association between exposure to light at night and invasive breast cancer. We recently reported that human breast tumor xenografts grown in athymic nude female rats housed in a photoperiod of 12h light at day: 12h dim light at night (dLAN, 0.2 lux – blocks the nighttime circadian MLT signal), display resistance to doxorubicin (Dox). More importantly, tumor growth and drug resistance could be blocked by the administration of Dox in circadian alignment with nocturnal MLT during dLAN. Our recent preliminary studies show that poorly invasive ERα positive MCF-7 breast cancer cells, when injected into the tibia (to mimic bone metastatic disease) of Foxn1nu athymic nude mice (which produce a strong circadian nighttime melatonin signal) housed in a dLAN photoperiod (suppressed nocturnal MLT production) developed full blown breast cancer tumors in bone (P<0.05) that are highly osteolytic (P<0.05). Moreover, patients with metastatic breast cancer are routinely treated with doxorubicin, which itself can promote bone damage. Our studies demonstrate that MLT slows the growth of metastatic breast cancer in bone but that the chrono-therapeutic use of doxorubicin in circadian alignment with melatonin in Foxn1nu mice with tibial breast tumors, reduced tumor growth in bone, reduced bone erosion, and promoted the formation of new bone. Successful use of this chronotherapeutic use of Dox and MLT in clinical trials increasing efficacy in preventing or suppressing breast cancer metastasis to bone while decreasing toxic side effects of doxorubicin would provide a revolutionary advancement in the treatment of bone metastatic breast cancer and decrease the morbidity and mortality associated with breast cancer metastasis to bone.
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ISSN 2472-1972 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2433
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Author (up) Anderson, S.J.; Tuttle, B.T.; Powell, R.L.; Sutton, P.C.
Title Characterizing relationships between population density and nighttime imagery for Denver, Colorado: issues of scale and representation Type Journal Article
Year 2010 Publication International Journal of Remote Sensing Abbreviated Journal International Journal of Remote Sensing
Volume 31 Issue 21 Pages 5733-5746
Keywords Remote Sensing
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ISSN 0143-1161 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 702
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Author (up) Andre, J.; Owens, D.A.
Title The Twilight Envelope: A User-Centered Approach to Describing Roadway Illumination at Night Type Journal Article
Year 2001 Publication Human Factors: The Journal of the Human Factors and Ergonomics Society Abbreviated Journal
Volume 43 Issue 4 Pages 620-630
Keywords Society
Abstract Visual recognition functions, such as acuity and contrast sensitivity, deteriorate rapidly over the declining luminances found during civil twilight. Thus civil twilight, a critical part of the transition between daylight and darkness, represents lighting conditions that may be useful to describe artificial illumination. Automotive headlamps project a three-dimensional beam that ranges from illumination levels comparable to daylight at the vehicle to the dark limit of civil twilight (3.3 1x) at some distance ahead. This twilight envelope is characterized as a distance beyond which foveal visual functions are severely impaired, and thus it provides a general, functional description of the useful extent of the headlamp beam. This user-centered approach to describing illumination is useful for characterizing visibility when driving at night or in other artificially lit environments. This paper discusses the twilight envelope approach and its application to intervehicle variations in headlamp systems. Actual or potential applications of this research include user-centered description of artificial illumination and driver/pedestrian safety education.
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Call Number LoNNe @ kagoburian @ Serial 988
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