UNDERWATER MONITORING SYSTEM

To provide an underwater monitoring system capable of improving a quality of optical information.SOLUTION: A underwater monitoring system 1 includes a first housing 12 that is open at the bottom and has a first opening 12a, has gas 10 enclosed therein, and is disposed underwater; a first weight 14 that is connected to the first opening side 12a and points the first opening side 12a downward underwater; a first float 16 that is connected to the opposite side of the first opening side 12a of the first housing 12 and suspends the first housing 12 underwater 22; and a first optical information acquisition device 20 which is installed in the gas 10 in the first housing 12 so as not to contact water, and which acquires optical information below the first opening 12a.SELECTED DRAWING: Figure 1 【課題】光学情報の品質向上を図ることができる水中監視システムを提供する。【解決手段】水中監視システム１は、下側が開口していて第１開口１２ａをなし、内部に気体１０が封入されて、水中に配置される第１筐体１２と、第１開口側１２ａに接続され、第１開口１２ａ側を水中で下方に向ける第１錘１４と、第１筐体１２の第１開口１２ａ側とは反対側に接続され、第１筐体１２を水中２２で吊り下げる第１浮子１６と、第１筐体１２内の気体１０中で水に接触しないように設置され、第１開口１２ａの下方の光学情報を取得する第１光学情報取得装置２０と、を備えている。【選択図】図１