????? ??????????

?????? ???????? / ???????
??????????	37°28′29″N 140°05′37″E / 37.4747°N 140.0936°E
??????? ???????	????????????? ???????? ? ?????????? ? ???????? ????????
??? ?????	???????
?????	tectonic lake (en)
??? ???????	Nagase River (en)
??? ???? ??????	3?8 ???
???????	103?24 ??????? ????
???	93?5 ? ;
??? ??????	5?400 ???????? ????
?????? ?????	514 ?
??? ??????	50 ???????

????? ??????????? (????? ?????? ?? ) ?? ???? ???? ????? ?? ??????? ^[3]? ??? ?? ??? ?????? ????????? ???? ?????????. ^[4]^[5] ????? ????? ???? ≪????? ?????? ????????≫ (????? ???????? ). ??? ??????? ???? ???? ????? ?????? ????????????. ???? ??????? 104 ????????? ????? (40 ??? ????) ? ??????? 63 ????????? (39 ?????) ? ???? 94 ????? (308 ?????) ???? ??? ?????? 514 ????? (1,686 ?????). ^[6] ?? ?????? ????? ????? ??? ????? ??????? ????? ???? ??? ??????.

??????? [ ??? ]

????? ????? ?????????? ?? ??????? 30-40.000 ??? ????? ?? ?? ????? ?????? ????? ????? ?????? ???? ????? ????? ????????? ?? ??? ??????.????? ?? ???? ?? ???? pH ????? 5.0 ????? ???? ????? ?? ????????.??? ????? ?????? ??? ???? ????? ???? ???? ????? ??? ?? ?????? ??? ?????? ?? ????? ??????? ???? ????????? ?? ?????? .

??? ???? ??????? ?????? ????? ???? ?? ????? ???? ?? ??? ?????? ????????.?? ???????? ?? ???? ???? ???? ???? ???? ????? ?????? . ???? ????? ?????? ?? ??? 1882. ?? ?????? ?????? ????? ?? ??? 1915 ?????? ????? ????? ?????? ????? ?????????. ???? ?????? ????? ?????? ?? ????? ?????? ???????????. ??? ??????? ????? ?? ??????? ???????? ?????????? ?????? ?? ?????? ????????.

??????? [ ??? ]

^ ???? ????: http://wldb.ilec.or.jp/Details/Lake/ASI-14 .
^ ???? ????: https://www.gsi.go.jp/KOKUJYOHO/MENCHO/backnumber/GSI-menseki20210101.pdf . ??????: Geospatial Information Authority of Japan . ??????: 79.
^ Takeda T., page 174.
^ "??????? ?? ????? ?????????? ??? ???? viaf.org" . viaf.org. ????? ?? ????? ?? 2019-09-01. "??????? ?? ????? ?????????? ??? ???? geolod.ex.nii.ac.jp" . geolod.ex.nii.ac.jp. ????? ?? ????? ?? 2019-09-01.
^ "??????? ?? ????? ?????????? ??? ???? enciclopedia.cat" . enciclopedia.cat. ????? ?? ????? ?? 2020-12-01.
^ Campbell, Allen; Nobel, David S (1993). Japan: An Illustrated Encyclopedia. Kodansha. p. 598. ISBN 406205938X .

????????? [ ??? ]

??????? ???? ? ????????? ????? ? ???????? ?????? ? ????? ??. ????????? ????? (10 ????? 1988) .??????! ???????? - ???? ???? ??????? ?????? (???? ??? 1988) ? ????? ????????: ????? ???????? ?????
????? ?????? ????? ??????

???? ????? [ ??? ]

????? ???????
??? ??????

????? ?????? [ ??? ]

I????? ?????????? ????????
????? ?????????? (???? ????? ????????)
????? ?????????? (?? ?????? AIZU)

????? ?????????? ?? ???????? ??????? :

??? ?????? ????? ?? ?????.

[9ba35a0f2bdb397740e566ab080f9beb2e643408-1] ???? ????: http://wldb.ilec.or.jp/Details/Lake/ASI-14 .

[3541315b9487257385fc709ac1a9e34ce92e1755-2] ???? ????: https://www.gsi.go.jp/KOKUJYOHO/MENCHO/backnumber/GSI-menseki20210101.pdf . ??????: Geospatial Information Authority of Japan . ??????: 79.

[3] Takeda T., page 174.

[4] "??????? ?? ????? ?????????? ??? ???? viaf.org" . viaf.org. ????? ?? ????? ?? 2019-09-01. "??????? ?? ????? ?????????? ??? ???? geolod.ex.nii.ac.jp" . geolod.ex.nii.ac.jp. ????? ?? ????? ?? 2019-09-01.

[5] "??????? ?? ????? ?????????? ??? ???? enciclopedia.cat" . enciclopedia.cat. ????? ?? ????? ?? 2020-12-01.

[6] Campbell, Allen; Nobel, David S (1993). Japan: An Illustrated Encyclopedia. Kodansha. p. 598. ISBN 406205938X .

[1]

[2]

[3]

[4]

[5]

[6]