Artificially lit surface of Earth at night increasing in radiance and extent.
Artificially lit surface of Earth at night increasing in radiance and extent.
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DOI：
10.1126/sciadv.1701528
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发表时间：
2017-11
期刊：
影响因子：
13.6
通讯作者：
Guanter L
中科院分区：
文献类型：
--
作者：
Kyba CCM;Kuester T;Sánchez de Miguel A;Baugh K;Jechow A;Hölker F;Bennie J;Elvidge CD;Gaston KJ;Guanter L
地球上的人工照明区域每年以 2.2% 的速度扩大，现有照明区域的亮度每年增加 2.2%。 “照明革命”（向固态照明技术过渡）的中心目标是降低能耗。由于光成本下降而增加使用的反弹效应可能会破坏这一点。我们使用首个专为夜间灯光设计的校准卫星辐射计表明，从 2012 年到 2016 年，地球的人工照明室外区域每年增长 2.2%，总辐射率每年增长 1.8%。持续照明的区域以每年 2.2% 的速度变亮。各国增长率存在巨大差异，只有少数国家的照明保持稳定或下降。这些数据与全球规模的能源减少不一致，而是表明光污染增加，对动植物和人类福祉产生相应的负面影响。
Earth’s artificially lit area is expanding at 2.2% per year, with existing lit areas brightening by 2.2% per year. A central aim of the “lighting revolution” (the transition to solid-state lighting technology) is decreased energy consumption. This could be undermined by a rebound effect of increased use in response to lowered cost of light. We use the first-ever calibrated satellite radiometer designed for night lights to show that from 2012 to 2016, Earth’s artificially lit outdoor area grew by 2.2% per year, with a total radiance growth of 1.8% per year. Continuously lit areas brightened at a rate of 2.2% per year. Large differences in national growth rates were observed, with lighting remaining stable or decreasing in only a few countries. These data are not consistent with global scale energy reductions but rather indicate increased light pollution, with corresponding negative consequences for flora, fauna, and human well-being.
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影响因子：
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作者：
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通讯作者：
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DOI：
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