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Author  |
Levin, N.; Johansen, K.; Hacker, J.M.; Phinn, S. |
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Title |
A new source for high spatial resolution night time images -- The EROS-B commercial satellite |
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Journal Article |
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Year |
2014 |
Publication |
Remote Sensing of Environment |
Abbreviated Journal |
Remote Sensing of Environment |
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149 |
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1-12 |
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Keywords |
Night lights; EROS-B; Land cover; Land use; Fine spatial resolution; remote sensing; satellite; light at night |
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Abstract |
City lights present one of humankind's most unique footprints on Earth as seen from space. Resulting light pollution from artificial lights obscures the night sky for astronomy and has negative impacts on biodiversity as well as on human health. However, remote sensing studies of night lights to date have been mostly limited to coarse spatial resolution sensors such as the DMSP-OLS. Here we present a new source for high spatial resolution mapping of night lights from space, derived from a commercial satellite. We tasked the Israeli EROS-B satellite to acquire two night-time light images (at a spatial resolution of 1 m) of Brisbane, Australia, and analyzed their radiometric quality and content with respect to land cover and land use. The spatial distribution of night lights as imaged by EROS-B corresponded with night-time images acquired by an airborne camera, although EROS-B was not as sensitive to low light levels. Using land cover and land use data at the statistical local area level, we could statistically explain 89% of the variability in night-time lights. Arterial roads and commercial and service areas were found to be some of the brightest land use types. Overall, we found that EROS-B imagery provides fine spatial resolution images of night lights, opening new avenues for studying light pollution in cities worldwide. |
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Department of Geography, The Hebrew University of Jerusalem, Mt. Scopus, Jerusalem 91905, Israel. |
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Elsevier |
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0034-4257 |
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Call Number |
IDA @ john @ |
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307 |
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