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| Author |
Garstang, R.H. |
| Title |
Night-sky brightness at observatories and sites. |
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Journal Article |
| Year |
1989 |
Publication |
Publ Astron Soc Pac |
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| Volume |
101 |
Issue |
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Pages |
306-329 |
| Keywords |
Skyglow |
| Abstract |
A model previously constructed for night-sky brightness calculations has been modified to allow for the curvature of the earth. The model has been applied to calculate the brightness at the following observatories: Mount Wilson, Lick, Mount Palomar, Kitt Peak, Sacramento Peak, Mauna Kea, McDonald, San Pedro Martir, Mount Hopkins, Mount Lemmon, Lowell (Mars Hill), Lowell (Anderson Mesa), Fick, Iowa, Van Vleck, David Dunlap, Anglo-Australian, Haute Provence, and Cerro Tololo. Calculations have also been carried out for the following prospective observatory sites: Junipero Serra, Mount Graham, Charleston Peak, Wheeler Peak, Miller Peak, San Benito Mountain, Lowell (Hutch Mountain), Lowell (Saddle Mountain), and South Baldy (New Mexico). The model is extended to calculate magnitudes in the B photometric band. |
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LoNNe @ kagoburian @ |
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559 |
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| Author |
Kyba, C.C.M.; Giuliani, G.; Franziskakis, F.; Tockner, K.; Lacroix, P. |
| Title |
Artisanal and Small-Scale Mining Sites in the Democratic Republic of the Congo Are Not Associated with Nighttime Light Emissions |
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Journal Article |
| Year |
2019 |
Publication |
J |
Abbreviated Journal |
J |
| Volume |
2 |
Issue |
2 |
Pages |
152-161 |
| Keywords |
Remote Sensing |
| Abstract |
Maintaining records of artisanal and small-scale mining sites in developing countries requires considerable effort, so it would be beneficial if Earth observation data from space could assist in the identifying and monitoring of such sites. Artificial light emissions are common at industrial-scale mining sites and have been associated with small-scale illegal mining in some contexts. Here, we examine whether known artisanal and small-scale mining sites in the Democratic Republic of the Congo (DRC) are associated with observations of night light emissions by the Visible Infrared Imaging Radiometer Suite Day/Night Band (DNB). Light emissions from the mining sites were not observed: the radiance observed from the sites was near zero and nearly identical to that observed for a set of randomly-chosen locations in the same region. While it is the case that DNB night lights’ products provide useful data in other resource extraction contexts, they do not appear to be useful for identifying artisanal mining sites in the DRC. |
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2571-8800 |
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GFZ @ kyba @ |
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2295 |
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| Author |
Garstang, R.H. |
| Title |
Model for Artificial Night-Sky Illumination. |
Type |
Journal Article |
| Year |
1986 |
Publication |
Publ Astron Soc Pac |
Abbreviated Journal |
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| Volume |
98 |
Issue |
601 |
Pages |
364-375 |
| Keywords |
Skyglow |
| Abstract |
A model has been constructed to allow calculation of the night-sky brightness caused by a city at its center and outside the city, and at arbitrary zenith distances. A circular city of uniform brightness is assumed, with the total brightness proportional to the population. Molecular scattering and aerosol scattering are included, with the amount of aerosols being an adjustable parameter, and different scale heights being adopted for molecules and aerosols. The reflectivity of the ground and the fraction of light radiated above the horizontal are taken as parameters. Applications are given to several cities, to the general population-distance relations, to brightness-distance relations, and to the city center brightness-population relations |
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LoNNe @ kagoburian @ |
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560 |
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Aubrecht, C.; Elvidge, C. D.; Ziskin, D.; Longcore, T.; Rich, C. |
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'When the lights stay on' – A novel approach to assessing human impact on the environment. Earth. |
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Journal Article |
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2008 |
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Earthzine |
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Ecology |
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A consequence of the explosive expansion of human civilization has been the global loss of biodiversity and changes to life-sustaining geophysical processes of Earth. The footprint of human occupation is uniquely visible from space in the form of artificial night lighting – ranging from the burning of the rainforest to massive offshore fisheries to omnipresent lights of cities, towns, and villages. This article describes a novel approach to assessing global human impact using satellite observed nighttime lights. The results provide reef managers and governments a first-pass screening tool for reef conservation projects. Sites requiring restoration and precautionary actions can be identified and assessed further in more focused investigations. We hope to create a mental picture for others to see and encourage participation in maintaining and restoring the natural world. |
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LoNNe @ schroer @ |
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569 |
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| Author |
Eisenbeis, G.; Hassel, F. |
| Title |
Zur Anziehung nachtaktiver Insekten durch Straßenlaternen-eine Studie kommunaler Beleuchtungseinrichtungen in der Agrarlandschaft Rheinhessens. |
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Journal Article |
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2000 |
Publication |
Natur Und Landschaft |
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4 |
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145–156 |
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Animals |
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LoNNe @ kagoburian @ |
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596 |
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