Agano Kitago - Agano Kitago

...It is located in the northern part of the Echigo Plain, on the right bank of the downstream Agano River. Formerly known as Agano Kitago, this low-lying marshland is blocked by the coastal sand dunes in the north and the natural levees of the Agano River in the west, and Fukushimagata Lagoon is located in the center. In 1730 (the 15th year of the Kyoho era), the Shibata Domain dug a canal (Matsugasaki Diversion) in the sand dunes with the aim of developing the low-lying marshland, and released the Agano River into the Sea of ​​Japan. Since then, development has progressed rapidly, and settlements have developed on the slightly elevated areas. ...

*Some of the terminology that refers to "Aga Kitago" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…越後平野北部，阿賀野川下流右岸に位置する。かつて阿賀北郷と呼ばれた低湿地で，流入河川の排水が，北部の海岸砂丘と西部の阿賀野川の自然堤防に妨げられ，中央部に福島潟などがある。1730年(享保15)に新発田（しばた）藩が低湿地の開発を目的に砂丘部に掘割り(松ヶ崎分水)を開削し，阿賀野川を日本海に放流して以来，開発が急速に進み，微高地に集落が発達した。…

※「阿賀北郷」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報