Thursday, October 13, 2011

River terrace around Shinano river

Shinano river is the longest river in Japan.Around Shinano river we can see many terraces.It is said that Shinano Rever Terraces has the largest scale in Japan,Tokamachi city,Niigata pref.

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Monday, September 12, 2011

Columnar joint

This rock is laver that flowed over ten million years ago.Columnar joint was made by reduction of laver volume,as it become cool.Tokamachi city,Niigata pref.

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Wednesday, July 27, 2011

Summer at Tega pond

Tega pond is a large pond in north-west part of Chiba pref. It was a part of inland sea about 6000 years ago when climate was warmer than now.Tega pond is called "EAST KAMAKURA"because of it's beautiful scenery,Abiko city,Chiba pref.


Wednesday, July 06, 2011

Wingnut tree "Pterocarya rhoifolia"

Pterocarya rhoifolia grow along stream in cool-temperate zone forest.It grows to 30-40m tall.
Genus Pterocarya is distributed in east and west Asia. I guess ancestor of them lived around north pole in early Cenozoic.Yuzawa town,Niigata pref.

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Monday, May 30, 2011

Nakatsugawa canyon

About fifty thausands years ago,Naeba volcano erupted and volcanic lava and ash flowed.After that stream of Nakatsugawa eroded the lava and ash and this canyon was made.We can see a bed of lava in the cliff on the opposite side of the river.Tsunan town.Niigata pref.

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Monday, February 14, 2011

Beech tree at Mt. Tsukuba

Mt. Tsukuba is isolated mountain in Kanto plain.In Kanto plain evergreen broad-leaved trees grow.But we can see beech trees at the top of Mt. Tsukuba,because climate is cool there.
Tsukuba city,Ibaragi pref.


Sunday, January 09, 2011

Hijiri bridge

Hijiri bride is constructed in 1927.This bridge is one of eariest concrete arch bidges in Japan.The river in the photo is Kanda river ,which was built for defense of Edo castle in 17C.

Chiyoda ward ,Tokyo Metroporis


Saturday, January 01, 2011

Discontinued logging railroad

In 1975 all logging railroad were discotinued in Japan.But we can see left rail in some place,Otaki village,Saitama pref.

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