The Salton Sea in California is actually a salty inland lake. The level of salt in the lake's water—what scientists call its salinity—has been increasing steadily for years because the lake's water is evaporating faster than it is being replaced by rainfall or rivers. If the trend continues, the lake's water will soon become so salty that the lake will be unable to support fish and bird populations. The lake would then become essentially a dead zone. Fortunately, there are several ways to reverse the trend that is threatening the lake's health.
One option is direct removal of salt from the lake's water in special desalination facilities. Water from the lake would be pumped into the facilities and heated. This would cause the water to evaporate into steam, while salt and other materials dissolved in the water would be left behind. The steam would then be cooled down and returned to the lake as salt-free water. Gradually, the high salt levels would be reduced and the lake’s overall health would be restored.
Another possible solution is to dilute the salt level in the lake with water from the ocean. Since water in the Pacific Ocean is 20 percent less salty than water in the lake, bringing ocean water into the lake would decrease the lake’s salinity. The ocean water could be delivered through pipelines or canals.
Yet another solution would be to control the lake's salinity by constructing walls to divide the lake into several sections. In the smaller sections, salinity would be allowed to increase. However, in the main and largest section, salinity would be reduced and controlled by, among other things, directing all the freshwater from small rivers in the area to flow into that main section of the lake.
The main discussion is about three ways to reduce the salinity of an inland lake proposed in the article. However, the professor disagrees with those three ways and elaborate as follows.
The first solution is to remove the salt from the lake to reduce the salinity. But the professor states there is a health risk that has yet been mentioned. Specifically, the toxic chemical will be produced when conducting the technique to separate the salt and the water. If the wind spread the toxic chemical, it will be truly dangerous to people who live in the nearby area. Considering this potential harm to the people along with the solution, this may not be a wise way to apply.
Secondly, the professor points out that constructing pipelines to transport the ocean water to dilute the salty lake is really expensive and the local government may not have enough resources to make it happen. Especially, the nearest ocean is about 100 km away, and the expense will go even higher for such a long-distance pipeline or canal to be built. Therefore, the professor doesn't think this solution is practical.
Third, it is proposed in the article that the lake can be divided into several sections via constructing walls to keep high salinity within a smaller area. However, the professor emphasizes that this solution can only work for a short period, in that there are frequent geological activities, such as earthquakes, in the location where the lake is situated. As a result, the wall will be destroyed easily when an earthquake happens, and the salty water will mix back and the overall salinity will go high again.
In conclusion, the professor's opinion toward those three ways of decreasing salinity of the inland lake is disapproval, in that those solutions either creates unintended negative outcomes, or they are not feasible or durable to truly solve the problem.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2023-08-05 | nusybah | 85 | view |
| 2023-07-24 | YasamanEsml | 90 | view |
| 2023-07-24 | YasamanEsml | 85 | view |
| 2023-07-20 | Take | 78 | view |
| 2023-07-20 | Take | 90 | view |
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Grammar and spelling errors:
Line 5, column 381, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: doesn't
...l to be built. Therefore, the professor doesnt think this solution is practical. Th...
^^^^^^
Line 9, column 20, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'professors'' or 'professor's'?
Suggestion: professors'; professor's
...ll go high again. In conclusion, the professors opinion toward those three ways of decr...
^^^^^^^^^^
Transition Words or Phrases used:
but, first, however, if, may, really, second, secondly, so, therefore, third, in conclusion, such as, as a result
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 18.0 10.4613686534 172% => OK
Auxiliary verbs: 10.0 5.04856512141 198% => OK
Conjunction : 11.0 7.30242825607 151% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 17.0 22.412803532 76% => OK
Preposition: 33.0 30.3222958057 109% => OK
Nominalization: 7.0 5.01324503311 140% => OK
Performance on vocabulary words:
No of characters: 1561.0 1373.03311258 114% => OK
No of words: 313.0 270.72406181 116% => OK
Chars per words: 4.98722044728 5.08290768461 98% => OK
Fourth root words length: 4.20616286096 4.04702891845 104% => OK
Word Length SD: 2.70292826933 2.5805825403 105% => OK
Unique words: 169.0 145.348785872 116% => OK
Unique words percentage: 0.539936102236 0.540411800872 100% => OK
syllable_count: 493.2 419.366225166 118% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 4.0 1.51434878587 264% => Less conjunction wanted as sentence beginning.
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 14.0 13.0662251656 107% => OK
Sentence length: 22.0 21.2450331126 104% => OK
Sentence length SD: 54.7767267726 49.2860985944 111% => OK
Chars per sentence: 111.5 110.228320801 101% => OK
Words per sentence: 22.3571428571 21.698381199 103% => OK
Discourse Markers: 8.07142857143 7.06452816374 114% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.208194434246 0.272083759551 77% => OK
Sentence topic coherence: 0.0693615745297 0.0996497079465 70% => OK
Sentence topic coherence SD: 0.0470498353894 0.0662205650399 71% => OK
Paragraph topic coherence: 0.112611123488 0.162205337803 69% => OK
Paragraph topic coherence SD: 0.0256296590357 0.0443174109184 58% => OK
Essay readability:
automated_readability_index: 13.3 13.3589403974 100% => OK
flesch_reading_ease: 49.15 53.8541721854 91% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 11.9 11.0289183223 108% => OK
coleman_liau_index: 11.96 12.2367328918 98% => OK
dale_chall_readability_score: 8.76 8.42419426049 104% => OK
difficult_words: 80.0 63.6247240618 126% => OK
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 10.8 10.498013245 103% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
---------------------
Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 Out of 30
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.