分離帯(ぶんり・たい)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 中数River and Water Resources Glossary (Infrastructure Development Institute Japan)
中央値(The middle value in a set of ordered numbers. The median value is determined by choosing the smallest value such that at least half of the values in the set are no greater than the chosen value. If the number of values within the set is odd, the median value corresponds to a single value. If the number of values within the set is even, the median value corresponds to the sum of the two middle values divided by two, ちゅうおうち)
