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deepmind.google·6d ago
AI Engineering
Hacker News·20d ago·5 min read
A Tokyo school counts the mornings it can see Mt. Fuji: 22 in 1965, 170 in 2023
TL;DR
A long-term observation from a Tokyo school shows that visibility of Mt. Fuji has dramatically increased from 22 mornings in 1965 to 170 in 2023.
✦ Why It Matters
Consider tracking local environmental changes in your area to understand broader climate trends.
Key Takeaways
- Visit the Tokyo observation deck for clear views of Mt. Fuji.
- Utilize historical visibility data for environmental studies.
- Monitor urban development impacts on natural landmarks.
- Engage in local climate discussions using this visibility data.
Full Summary
Since 1963, a school in Kichijoji, Tokyo, has recorded the visibility of Mt. Fuji every morning at 9 AM, noting whether the iconic mountain, located 83 km away, was visible.
The data shows a remarkable increase in visibility, with only 22 mornings recorded in 1965 compared to 170 in 2023. The Kofu weather office has also tracked the first snowfall on Mt.
Fuji since 1894, providing additional context to the visibility data. The study indicates that urbanization and environmental changes may have contributed to improved visibility over the decades.
The methodology involved daily observations and meticulous record-keeping, allowing for a comprehensive analysis of visibility trends. This long-term data collection serves as a valuable resource for understanding climate and urban development impacts on natural landmarks.