The purpose of the city storm surface runoff model is to draw the surf ace runoff hydrograph and simulate the process of storm runoff.

城市雨水地表径流模型的目的是推求城市雨水地表径流的流量过程线，从而模拟雨水的地表径流过程。

youdao

The rough surf was brought on by recent tropical storm activity, and it kept lifeguards on .

粗略冲浪带来的是最近的热带风暴活动，并不断对救生员。

youdao

They have company up and down the Jersey shore, where thousands of homes were saved from the October storm because they had robust dune systems protecting them from the pounding surf.

WSJ: Dunes vs. property rights in storm-battered NJ

"A study was released about three years ago that showed swimmers are 50 percent more likely to become ill if they swim within 50 yards of storm drain outfalls or river mouths -- and that's where the surf is best, " says Michelle Kremer, interim executive director of Surfrider Foundation.

CNN: Surf's up for beach water quality