From: Heat flow data and thermal structure in northeastern Japan
Population densities | ℃/Century | N-station (Hi-net) |
---|---|---|
Non-urban area | 0.88 | 4 |
P < 300 km−2 | 1.00 | 11 |
300 ≤ P < 1000 km−2 | 1.10 | 38 |
1000 ≤ P < 3000 km−2 | 1.60 | 41 |
P ≥ 3000 km−2 | 2.08 | 36 |