The material discusses several solution to reduce the salinity of The Salton Lake in California. While the reading suggests various solutions for this problem, the listening challenges these solutions and says that they are not realistic or practical.
First, the author mentions that takes out salt from the lake by desaliniation facilities could control sallt level of the lake. On the other hand, the professor opposes this and claims that this solution could cause serious problems. The lecturer adds that pumped water in desalination facilities would evaporate and leave behind other solid materials. Furthermore, the speaker adds that these materials are chemically toxic, such as silinum. The lecturer explains that if the wind spread these toxic chemicals to the air, people could breath it and lead to serious health problems.
Second, the listening states that dilute water's lake with water from the ocean could decrease lake's salinity. On the contrary, the professor contradicts this and contends that this approach reqiuire specific pipelines or canals. The lecturer adds thate local government does n ot have resources to pay for it. Moreover, the speaker points out that the distance to the ocean is one hundred kilometer away, so it will be very expensive solution.
Third, the author posits that building up walls to divide the lake into several section could control lake's salt level. Conversely, the professor refutes this and mentions that this solution would not work for long time. The lecturer explains that this area could have intense geologoical activities, such as earthquake. the speaker adds that if the walls would be collapsed by an earthquake, the water in the high salinity section will mix up with the water with low salinity level.
The material discusses several
solution
to
reduce
the salinity of The Salton
Lake
in California. While the reading suggests various
solutions
for this problem, the listening challenges these
solutions
and says that they are not realistic or practical.
First
, the author mentions that takes out salt from the
lake
by
desaliniation
facilities could control
sallt
level of the
lake
.
On the other hand
, the professor opposes this and claims that this
solution
could cause serious problems. The
lecturer
adds
that pumped
water
in desalination facilities would evaporate and
leave
behind other solid materials.
Furthermore
, the speaker
adds
that these materials are
chemically
toxic, such as
silinum
. The
lecturer
explains
that if the wind spread these toxic chemicals to the air,
people
could
breath
it and lead to serious health problems.
Second, the listening states that dilute water's
lake
with
water
from the ocean could decrease lake's salinity.
On the contrary
, the professor contradicts this and contends that this approach
reqiuire
specific pipelines or canals. The
lecturer
adds
thate
local
government
does
n ot
have resources to pay for it.
Moreover
, the speaker points out that the distance to the ocean is one hundred
kilometer
away,
so
it will be
very
expensive solution.
Third, the author posits that building up walls to divide the
lake
into
several section
could control lake's salt level.
Conversely
, the professor refutes this and mentions that this
solution
would not work for long time. The
lecturer
explains
that this area could have intense
geologoical
activities, such as earthquake.
the
speaker
adds
that if the walls would
be collapsed
by an earthquake, the
water
in the high salinity section will mix up with the
water
with low salinity level.