01
Definition
1.
half-blind valley - a blind valley which overflows its threshold when the streamsink cannot accept all the water at a time of flood.
Gillieson, 1996
2.
half-blind valley : Blind valley in which the stream overflows in floodtirae when the swallow hole can not accep t all the water.
Monroe, 1970
02
Frame
| CAUSE | when the swallow hole can not accep t all the water |
| FUNCTION | in which the stream overflows in floodtirae |
| RESULT | which overflows its threshold |
03