Water
in sentence
7314 examples of Water in a sentence
Our NSF-funded work found that it could be warm enough for open
water
from many types of atmospheres and orientations of its orbit.
Studies show that being immersed in
water
or just changing your stance can greatly reduce the effects of motion sickness.
It has no substance as
water
does.
Our grandparents' generation created an amazing system of canals and reservoirs that made it possible for people to live in places where there wasn't a lot of
water.
For example, during the Great Depression, they created the Hoover Dam, which in turn, created Lake Mead and made it possible for the cities of Las Vegas and Phoenix and Los Angeles to provide
water
for people who lived in a really dry place.
In the 20th century, we literally spent trillions of dollars building infrastructure to get
water
to our cities.
But in the last decade, we've seen the combined effects of climate change, population growth and competition for
water
resources threaten these vital lifelines and
water
resources.
And it was dropping at such a rate that it would have left the drinking
water
intakes for Las Vegas high and dry.
The city became so concerned about this that they recently constructed a new drinking
water
intake structure that they referred to as the "Third Straw" to pull
water
out of the greater depths of the lake.
The challenges associated with providing
water
to a modern city are not restricted to the American Southwest.
In the year 2007, the third largest city in Australia, Brisbane, came within 6 months of running out of
water.
Well, in a time when all of the
water
resources are spoken for, it's not going to be possible to rely on this tried and true way of providing ourselves with
water.
Some people think that we're going to solve the urban
water
problem by taking
water
from our rural neighbors.
And even if we succeed in grabbing the
water
from our rural neighbors, we're just transferring the problem to someone else and there's a good chance it will come back and bite us in the form of higher food prices and damage to the aquatic ecosystems that already rely upon that
water.
I think that there's a better way to solve our urban
water
crisis and I think that's to open up four new local sources of
water
that I liken to faucets.
If we can make smart investments in these new sources of
water
in the coming years, we can solve our urban
water
problem and decrease the likelihood that we'll ever run across the effects of a catastrophic drought.
Now, if you told me 20 years ago that a modern city could exist without a supply of imported water, I probably would have dismissed you as an unrealistic and uninformed dreamer.
But my own experiences working with some of the world's most water-starved cities in the last decades have shown me that we have the technologies and the management skills to actually transition away from imported water, and that's what I want to tell you about tonight.
The first source of local
water
supply that we need to develop to solve our urban
water
problem will flow with the rainwater that falls in our cities.
And when we did that, we had to build storm sewers to get the
water
that fell on the cities out before it could cause flooding, and that's a waste of a vital
water
resource.
This figure here shows you the volume of
water
that could be collected in the city of San Jose if they could harvest the stormwater that fell within the city limits.
You can see from the intersection of the blue line and the black dotted line that if San Jose could just capture half of the
water
that fell within the city, they'd have enough
water
to get them through an entire year.
But if you live in a place where it mainly rains in the winter time and most of the
water
demand is in the summertime, it's not a very cost-effective way to solve a
water
problem.
After all, many of our cities are sitting on top of a natural
water
storage system that can accommodate huge volumes of
water.
For example, historically, Los Angeles has obtained about a third of its
water
supply from a massive aquifer that underlies the San Fernando Valley.
Now, when you look at the
water
that comes off of your roof and runs off of your lawn and flows down the gutter, you might say to yourself, "Do I really want to drink that stuff?"
And so the challenge that we face in urban
water
harvesting is to capture the water, clean the
water
and get it underground.
This figure here shows the stormwater park that they're building by hooking a series of stormwater collection systems, or storm sewers, and routing that
water
into an abandoned gravel quarry.
The
water
that's captured in the quarry is slowly passed through a man-made wetland, and then it goes into that ball field there and percolates into the ground, recharging the drinking
water
aquifer of the city.
And in the process of passing through the wetland and percolating through the ground, the
water
encounters microbes that live on the surfaces of the plants and the surfaces of the soil, and that purifies the
water.
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