论文标题
立法变更后，法国光污染的案例研究
A Case study of light pollution in France after the change in legislation
论文作者
论文摘要
法国发布了一项法令，以限制和禁止从2019年1月1日起生效的室外照明。在这项研究中，已使用GIS数据评估了该立法的有效性，GIS数据首先在\ cite {2020mnras.493.1204a}中首次使用（所谓的Astrogis Database -artogis database -url \ url {artatogis.org {atterogis.org}）。在2012年1月至2019年12月之间，已经对Astrogis数据库的人工灯层的一部分进行了调整。在2019年，Radiance $ 1.9 \ times 10^{9} $ W CM $ $^{ - 2} $ SR $^{ - 1} $已释放到太空中。制定人造光立法后，法国的年度光污染减少了6 \％。法国继续拥有潜在的黑空公园地点，例如，诸如Indre，Lot，Nievre和Creuse等城市具有最低的光污染价值。已经观察到人口与光污染之间的密切相关性（$ r \ simeq 0.83 $）。对于GDP（$ r \ simeq 0.28 $）也可以观察到类似但较弱的相关性。但是，还为了证明数据集中观察到的改进是否归因于立法造成的改进还为时过早。
France issued a decree to restrict and prohibit mainly outdoor lighting effective from January 1st, 2019. Effectiveness of this legislation has been evaluated in this study using GIS data which was first used in \cite{2020MNRAS.493.1204A} (so called astroGIS database - \url{astrogis.org}). A subset of Artificial Light layer of astroGIS database has been adapted for years between January 2012 and December 2019. During 2019, radiance of $1.9 \times 10^{9}$ W cm$^{-2}$ sr$^{-1}$ has been released into space. Annual light pollution in France decreased by 6\% after the enactment of artificial light legislation. France continue to have potential Dark Sky Park locations for example cities like Indre, Lot, Nievre and Creuse having the lowest light pollution values. A strong correlation between population and light pollution ($R\simeq 0.83$) has been observed. A similar but a weak correlation can also be observed for GDP ($R\simeq 0.28$). However, it is still too early to justify whether the improvements observed in the dataset are due to the enactment of the legislation or not.
