Contaminación de luz en Michoacán (campaña para cielos oscuros)

The deterioration of night sky due to light pollution- the glare produced by artificial light that gets lost towards the sky - is a topic that is beginning to be considered in some countries, which are taking measures to regulate the characteristics of illumination. In our country, awareness about l...

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Main Author: Eduardo Antaramián Harutunián
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México 2001-03-01
Series:Investigaciones Geográficas
Online Access:http://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/59146
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spelling doaj-c84fd98d097c4accb28ded847256125f2020-11-24T20:55:12ZengUniversidad Nacional Autónoma de MéxicoInvestigaciones Geográficas0188-46112448-72792001-03-0114510.14350/rig.5914651100Contaminación de luz en Michoacán (campaña para cielos oscuros)Eduardo Antaramián HarutuniánThe deterioration of night sky due to light pollution- the glare produced by artificial light that gets lost towards the sky - is a topic that is beginning to be considered in some countries, which are taking measures to regulate the characteristics of illumination. In our country, awareness about light pollution is virtually nil, although its reduction would contribute not only to enjoy the night sky but also to save energy. Astronomical observations have been notably deteriorated in the last years by light pollution, the most dramatic case being the Observatory of Tonanzintla in Puebla that is at just 13 km of the city of the same name having over a million inhabitants, and that should be located no closer than 110 km from it. Using Walker´s formula, the escape distance was estimated, that is, where the sky glow is less than 10% of the natural glow. Cities of Michoacán with over 30 000 inhabitants according to the year-2000 census were considered, with which a theoretical map of the sky glow In Michoacán was generated using a Geographical Information System.http://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/59146
collection DOAJ
language English
format Article
sources DOAJ
author Eduardo Antaramián Harutunián
spellingShingle Eduardo Antaramián Harutunián
Contaminación de luz en Michoacán (campaña para cielos oscuros)
Investigaciones Geográficas
author_facet Eduardo Antaramián Harutunián
author_sort Eduardo Antaramián Harutunián
title Contaminación de luz en Michoacán (campaña para cielos oscuros)
title_short Contaminación de luz en Michoacán (campaña para cielos oscuros)
title_full Contaminación de luz en Michoacán (campaña para cielos oscuros)
title_fullStr Contaminación de luz en Michoacán (campaña para cielos oscuros)
title_full_unstemmed Contaminación de luz en Michoacán (campaña para cielos oscuros)
title_sort contaminación de luz en michoacán (campaña para cielos oscuros)
publisher Universidad Nacional Autónoma de México
series Investigaciones Geográficas
issn 0188-4611
2448-7279
publishDate 2001-03-01
description The deterioration of night sky due to light pollution- the glare produced by artificial light that gets lost towards the sky - is a topic that is beginning to be considered in some countries, which are taking measures to regulate the characteristics of illumination. In our country, awareness about light pollution is virtually nil, although its reduction would contribute not only to enjoy the night sky but also to save energy. Astronomical observations have been notably deteriorated in the last years by light pollution, the most dramatic case being the Observatory of Tonanzintla in Puebla that is at just 13 km of the city of the same name having over a million inhabitants, and that should be located no closer than 110 km from it. Using Walker´s formula, the escape distance was estimated, that is, where the sky glow is less than 10% of the natural glow. Cities of Michoacán with over 30 000 inhabitants according to the year-2000 census were considered, with which a theoretical map of the sky glow In Michoacán was generated using a Geographical Information System.
url http://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/59146
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