- 最後登錄
- 2022-1-9
- 在線時間
- 1 小時
- 註冊時間
- 2009-12-29
- 閱讀權限
- 95
- 精華
- 0
- UID
- 7412699
- 帖子
- 10
- 積分
- 1074 點
- 潛水值
- 26890 米
| 分享使你變得更實在,可以使其他人感到快樂,分享是我們的動力。今天就來分享你的資訊、圖片或檔案吧。 本帖最後由 kakurenbou 於 2018-7-14 11:28 AM 編輯
In February 2017, the Minnesota Department of Natural Resources said that water that disappears into the rock at Devil's Kettle resurges in the stream below the waterfall. Hydrologists compared the amount of water flowing above the waterfall with the amount flowing below it to see if some water was lost somewhere between the two locations。
In fall 2016, the DNR reports, hydrologists measured water flow above Devil's Kettle at 123 cubic feet per second, while several hundred feet below the waterfall, the water was flowing at 121 cubic feet per second. ... |
|