根据DMSP-OLS数据估算的西班牙街道照明能耗的演变
Evolution of the energy consumed by street lighting in Spain estimated with DMSP-OLS data
摘要：
我们提出的卫星图像的分析结果，研究在西班牙的光污染。使用校准和未校准的DMSP-OLS图像。我们描述的方法来缩放的非校准DMSP-OLS图像，使我们能够使用差分测光技术，以研究光污染的演变。人口数据和DMSP-OLS 2006年卫星校准图像进行了比较，以测试公共照明消费官方统计数据的可靠性。我们发现了人口和能源消耗之间的关系，这是有效的几个地区。最后，得出了1992年至2010年西班牙街道照明用电量的真实变化，在过去的18年中，大多数省份的用电量翻了一番。
英文摘要：
We present the results of the analysis of satellite imagery to study light pollution in Spain. Both calibrated and non-calibrated DMSP-OLS images were used. We describe the method to scale the non-calibrated DMSP-OLS images which allows us to use differential photometry techniques in order to study the evolution of the light pollution. Population data and DMSP-OLS satellite calibrated images for the year 2006 were compared to test the reliability of official statistics in public lighting consumption. We found a relationship between the population and the energy consumption which is valid for several regions. Finally the true evolution of the electricity consumption for street lighting in Spain from 1992 to 2010 was derived, it have been doubled in the last 18 years in most of the provinces.
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