Lake Nakatsuna (中綱湖, Nakatsuna-ko) is a lakeinŌmachi Nagano Prefecture, Japan. It is one of the "Nishina Three Lakes" (Lake Aoki, Lake Nakatsuna and Lake Kizaki).[3] Its sediments have been studied in an effort to better understand climate change in Japan, finding evidence of the Medieval Warm Period and Little Ice Age.[1][2]
Lake Nakatsuna | |
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Lake Nakatsuna in winter
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Location | Ōmachi, Nagano, Japan |
Coordinates | 36°30′N 137°51′E / 36.500°N 137.850°E / 36.500; 137.850 |
Lake type | Eutrophic lake |
Surface area | 12.5 hectares (31 acres)[1][2] |
Max. depth | 12 metres (39 ft)[3] |
Surface elevation | 820 m (2,690 ft) |
Settlements | Near Omachi, Nagano, Honshū, Japan |
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