As water levels fall, salinity goes up, leading to fish kills.

而且水位下降，含盐量的上升使得鱼类死亡。

So, in 2017, Loftus and colleagues set up a group of 28 internet connected water level sensors throughout the flood risk community of Norfolk, Virginia.

因，2017，洛夫蒂斯和他的同事们弗吉尼亚州诺福克的洪水风险社区建立了一组28个互联网连接的水位传感器。

The heavy rains have also caused the water levels in the Three Gorges reservoir to swell to a record high for this year's flood season.

暴雨还使三峡水库水位上涨，创下今汛期新。

Then, for three hours as the tide goes out, the water is held back within the breakwater, increasing the difference in water level, until it's several metres higher within the lagoon than in the open sea.

然后，落潮的三个小时，水会退回到防波堤中，这会增加水平面的差值，直到泻湖里面的水位比海域的水位很多米。

In Charleston, South Carolina forecasters predicted a storm surge, a rise in sea water levels, of five to eight feet higher than where the tide normally is and up to 15 inches of rain was expected there adding to the flooding.

查尔斯顿，南卡罗来纳州的气象预报员预测风暴将来临，海水水位上升，比正常的潮汐出5到8英尺，预计那里的降雨量会增加到15英寸。

As the water level rises, the ants cling to each other forming a living raft.

随着水面上升，蚂蚁们相互抱团，形成一个活的筏子。

Can you keep an eye on the water level for me?

你能帮我看一下水位吗？

The shape depends mainly on the temperature and water levels in the air.

而形状主要取决于空气中的温度和水位。

So, they built a small dam which has increased the water level in this area.

所以，他们建了一个小水坝，提了这个地区的水位。

But the fear is this isn't going to be higher ground for that much longer because even though there's no rain forecast here for the next five days, the water levels here are still rising.

但令人担心的是，这处地坚持不了多久，因为尽管预报说未来5天这里不会下雨，但其水位仍上升。

In Hubei, the water level of the lakes close to the Yangtze begin to drop.

湖北省内临近长江的湖泊水位开始逐渐下降。

They help to maintain the water level in your hair.

它们有助于保持头发中的水分水平。

They're built around the roots of small trees which anchor them as water levels rise.

巢穴就建小树的根部周围，当水位上升时小树就会将巢穴固定住。

The water level in the reservoir was low because of the long drought.

因为久旱，水坝的水位非常低。

And its storm surge, the rise in sea water levels blown ashore by a hurricane, was expected to be six to nine feet higher than normal tide levels.

它的风暴潮——因飓风导致的海平面上升，预计将比正常潮位出六到九英尺。

Unfortunately, the lagoon water levels are dropping due to climate change.

不幸的是，由于气候变化，泻湖的水位正下降。

While extremely high winds are expected, the main fear is a surge in sea water levels and the damage that could bring to these low lying communities when it comes ashore.

虽然预计有狂风来袭，但是人们主要担心的是海平面急剧上升飓风登陆时会对地势低的社区造成破坏。

Meanwhile, in the harbor, floating pavilions rise with the water level.

与同时，港口，浮动的亭台建筑会随着水位的上升而上升。

They help regulate climate temperature and water levels around the globe.

它们调节着地球气温与水平面。

If water levels are high, walking in the river can be extremely difficult.

如果水位很，河里步行会非常困难。