Abstract

본 연구는 물리적인 방법을 이용하여 설계갈수량을 추정할 수 있는 방법을 제안한 것이다. 가뭄기간과 갈수유출사상이 상사하다는 전제하에 재현기간을 감수시간으로 변환 할 수 있는 모형을 유도하였다. 또 계측지점이나 미계측지점에 적용할 수 있는 감수모형을 제안했다. 본 감수시간 모형의 매개변수는 기후조건치, 유역특성치, 유출특성치 등이고 감수모형의 매개변수는 초기유량, 감수상수이다. 본 모형을 용담수위표 지점과 다른 임시관측 지점에 적용해 본 결과 유량관측 기간이 짧은 계측지점이나 미계측지점에서 설계갈수량 추정 대안으로 채택할 수 있음을 확인했다. 【This study is to suggest a method to estimate the design low-flow based on the runoff hydrology. The recession time model to transform a return period into the recession time is derived under the similarity between dry spell and low-flow runoffs event. The proposed recession model can be applied to the gaging station and the ungaged outlet. This recession time model contains the parameters: for climate conditions, watershed characteristics, and runoff characteristics etc. And the recession model is composed of the parameters which are initial discharge and recession constant. This model is applied to the Yongdam gaging station and the other temporary gaging station. Consequently, it is proved that this model can be used for an alternative practice to estimate the design low-flow at the gaging station with short-term runoff data or the ungaged outlet. Ⱓɳ Ѐ 梤ヨ⨀ ਀ 梤ヨ⨀ 冯ヨ⨀ Ѐက 袤ヨ⨀ ਀က 袤ヨ⨀ ?㵨 ܀ ?㵨 ؀က ヨ⨀ ᐀ 颤ヨ⨀ 樱ヨ⨀ Ѐ 邦ヨ⨀ ?ヨ⨀ ਀က ?ヨ⨀ �ヨ⨀ ܀က ?ヨ⨀ ꤱヨ⨀ ؀က ?ヨ⨀ ⊌ ᰀ ?ヨ⨀ Ȁ ?ヨ⨀ 櫓ヨ⨀ Ԁ ヨ⨀ 琱ヨ⨀ ጀ ?ヨ⨀ ⠀ ၺ⮲ Ā ࠀ ࠀ Ȁ Ȁ Ȁ ࠀ ࠀ Ā ꂛヨ⨀ 撔ヨ⨀ ࠀ 餀座Ā座Ā  ?????? ?????? ヨ⨀ Ā! Ā ㈀ ࠀ 騀座Ā座Ā  ??????Ā ܀ 撔ヨ⨀ ᐠɳ Āက ₪舀 ﾿缀 舀 ᢛヨ⨀ 揞㭅合 㬂 ࠀ ῟휀 尠ɳ Ѐ騀 騀 ࠀ 餀座Ā座Ā  ??????ᢛヨ⨀ Ȁ Ā ㌀ ࠀ 餀座Ā座Ā  ?????? ਀ 灡잖⨀ ち잖⨀ ਀ 餀Ѐ Ƙ਀ 妲Ԁ Ȁ ਀】

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