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Team # 2301428 Page 5 of 25
1.4 Our work
This problem actually requires us to quantify the harm of light pollution and formu-
late reasonable strategies to mitigate its impact. To avoid complicated descriptions, and
intuitively reflect our work process, the flow chart is shown in Figure 3.
Figure 3: Flow Chart of Our Work
2 Assumptions and Explanations
Considering those practical problems always contain many complex factors, first of
all, we need to make reasonable assumptions to simplify the model, and each hypothesis
is closely followed by its corresponding explanation:
▼ Assumption 1: The data we use are accurate and valid.
▲ Explanations: The data in this article comes directly from the latest results of the
major online official databases and published literature.
▼ Assumption 2: Light pollution in the night mainly for light pollution, daytime light
pollution is almost negligible.
▲ Explanations: Due to the long-term formation of biological habits and ecological
laws during the day, under the augmentation of natural light, the impact of light pollu-
tion during the day is minimal compared to the impact of light pollution at night.
▼ Assumption 3: The natural light pollution part of the light pollution we are dis-
cussing is represented by aurora pollution.
▲ Explanations: Most of the natural light pollution only affects biology and society
during daytime, based on assumption 2, we think this part of natural light pollution can