 However, this key topic has not been well-studied in the context of environmental management. Focusing on non-smooth sediment storage management as an engineering problem, we formulate  a new ergodic control problem under discrete observations: a natural assumption of realistic observations .
<coherence>  However, this key topic has not been well-studied in the context of environmental management. Focusing on non-smooth sediment storage management as an engineering problem, we formulate  a new ergodic control problem under discrete observations: a natural assumption of realistic observations .
 Focusing on sediment storage management as an engineering problem, we formulate a new ergodic control problem under discrete observations: a natural assumption of realistic observations .