VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONG
The effects of light pollution problems in metropolitan areas are investigated in this study. Areas of Hong Kong are used as the source of three typical study cases. One case represents the regional scale, a second represents the district scale, and a third represents the street scale. Two light p...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2012-07-01
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| Series: | ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
| Online Access: | https://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/I-2/171/2012/isprsannals-I-2-171-2012.pdf |
| _version_ | 1818127718550601728 |
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| author | B. Wu H. Wong |
| author_facet | B. Wu H. Wong |
| author_sort | B. Wu |
| collection | DOAJ |
| description | The effects of light pollution problems in metropolitan areas are investigated in this study. Areas of Hong Kong are used as the
source of three typical study cases. One case represents the regional scale, a second represents the district scale, and a third
represents the street scale. Two light pollution parameters, Night Sky Brightness (NSB) and Street Light Level (SLL), are the focus
of the analyses. Light pollution visualization approaches in relation to the different scales include various light pollution maps. They
provide straightforward presentations of the light pollution situations in the study areas. The relationship between light pollution and
several social-economic factors such as land use, household income, and types of outdoor lighting in the scale areas given, are
examined. Results show that: (1) Land use may be one factor affecting light pollution in the regional scale; (2) A relatively strong
correlation exists between light pollution and household income in the district scale; (3) The heaviest light pollution in the street
scale is created by spotlights and also the different types of lighting from shops. The impact of the latter is in relation to the shop
profile and size. |
| first_indexed | 2024-12-11T07:21:49Z |
| format | Article |
| id | doaj.art-16c8d85c5b634e7c9410e0f8e80e487f |
| institution | Directory Open Access Journal |
| issn | 2194-9042 2194-9050 |
| language | English |
| last_indexed | 2024-12-11T07:21:49Z |
| publishDate | 2012-07-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
| spelling | doaj.art-16c8d85c5b634e7c9410e0f8e80e487f2022-12-22T01:16:04ZengCopernicus PublicationsISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences2194-90422194-90502012-07-01I-217117610.5194/isprsannals-I-2-171-2012VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONGB. Wu0H. Wong1Dept. of Land Surveying & Geo-Informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong KongDept. of Land Surveying & Geo-Informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong KongThe effects of light pollution problems in metropolitan areas are investigated in this study. Areas of Hong Kong are used as the source of three typical study cases. One case represents the regional scale, a second represents the district scale, and a third represents the street scale. Two light pollution parameters, Night Sky Brightness (NSB) and Street Light Level (SLL), are the focus of the analyses. Light pollution visualization approaches in relation to the different scales include various light pollution maps. They provide straightforward presentations of the light pollution situations in the study areas. The relationship between light pollution and several social-economic factors such as land use, household income, and types of outdoor lighting in the scale areas given, are examined. Results show that: (1) Land use may be one factor affecting light pollution in the regional scale; (2) A relatively strong correlation exists between light pollution and household income in the district scale; (3) The heaviest light pollution in the street scale is created by spotlights and also the different types of lighting from shops. The impact of the latter is in relation to the shop profile and size.https://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/I-2/171/2012/isprsannals-I-2-171-2012.pdf |
| spellingShingle | B. Wu H. Wong VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONG ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
| title | VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONG |
| title_full | VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONG |
| title_fullStr | VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONG |
| title_full_unstemmed | VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONG |
| title_short | VISUALIZATION AND ANALYSIS OF LIGHT POLLUTION: A CASE STUDY IN HONG KONG |
| title_sort | visualization and analysis of light pollution a case study in hong kong |
| url | https://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/I-2/171/2012/isprsannals-I-2-171-2012.pdf |
| work_keys_str_mv | AT bwu visualizationandanalysisoflightpollutionacasestudyinhongkong AT hwong visualizationandanalysisoflightpollutionacasestudyinhongkong |