Sunday, September 11, 2011

Barrier between two salty seas

Modern stuies have discovered that even though the seas appear to be all the same, there are several differences in their water mass. In regions where two seas meet, there is a barrier between them. This barrier separates the two seas that each sea has its own temperature, salinity and density. (asas 'Ilm Al- Bihar,asas ' Davies, p. 92-93).
    The water of the warm, saline Mediterranean Sea has a barrier where it enters the Atlantc Ocean which is colder and less dense. There are  similiar barrier between the waters of the Red Sea and the Gulf of Aden. What modern science discovered in the last century was clearly stated in the Qur'an  Sr, Al-Rahman, where Allah, the Exalted, says:

مَرَجَ ٱلْبَحْرَيْنِ يَلْتَقِيَانِ ﴿٩١﴾    
"He has letloose the two seas (the salt and freshwater) meeting together."

    The Qur'an speaks of two different salty seas meeting. The evidence for that is what was stated by the Scholars of Trafseer, which is that when the Qur'an uses the word Al-Bahr without specifying, it refers to the salty sea. Moreover, if the two seas were similiar to one another, they would be a single sea. This differentiation between them in the Qur'anic wording strongly indicates that there is a difference between them, even though both are salty.

  Another indication referred to in the Qur'an Verse is that it says of the two seas the pearl and coral come out of them. Scientists have discovered that pearl and coral can only be found in salty sea; they do not exist in freshwater or in where freshwater with the sea.

  In 1942, scientific studies of the sea revealed the existence of a water barrier that separates the two seas the meet. This is what is indicated in the verse: " Between them is a barrier which none of them can transgress'' (Sr, Al-Rahman; 55:20). The idea of the barrier is reinforced in the verse: "....and has set a barrier between the two seas" (Sr, Al-Naml; 29:61). The phrase "none can transgress" means that one of the two seas cannot prevail over the other and change its characteristics. It also became clear to scientists that there is some mixing between the salty seas despite the existence of this barrier, and this is what is indicated by the Qur'an.



   Maraja means mixing, or coming and going and cofused movenmen. As stated earlier, this mixing is slow that the amount which moves from one sea to another takes on the characteristics of the sea to which it moves, without afecting those characteristics, because these barries protect the distinguishing characteristics of the each sea, such as its density salinity living creatures, temperature and ratio of oxygen in the water.
  • Barrier between freshwater river and salty sea

        Fr ansient times man hes seen that rivers empty into the sea, and that the river water gradually loses its distinctive color and taste the deeper it follows into the sea.

       But with the advances in scientifific discovery, scientists have studied samples of water where rivers meet the sea , and they have measured the salinity levels, temperature and density with precise intrument, and collected samples of the living creature that inhabit these regions, then they classified them and defined the areas in which they live in and studied their ability to live in both river and sea habitats, then they concluded that water may be divided into three types:
  1. River water, which is very fresh
  2. Sea water, which is very salty 
  3. Estuary water, which is a mixture of fresh and salty, which separates the river and the sea. The salinity increases  the closer one gets to the sea, and the freshness increases the closer one gets to the river.
        This is what was stated by the Qur'an when it described the two "sea" ( the salty freshwater ) as having attributes that scientists did  not discover until last century.
    
        It described river water as being "palatable and sweet"; palatable water is water that is not salty and sweet water is tha which is very fresh. This description (sweet) exludes estuary water, which may be described as being fresh but not very fresh.
  
       Sea water is described by the Qur'an as being " salty and bitter ''. Salty water is sea water and bitter water is very salty. Hence, neither of these two descriptions can be applied to estuary water.

       Estuary water is a mixtureof palatable, sweet river water and salty, bitter sea water. The Qur'an describes it as "He has let loose the two seas", sea meaning the river and the sea.

Water barrier Surrounding the estuary region

    Scientists have also noticed the existance of a water barrierthat surounsthe estuaryregion and potects its distinguishing feature. The river waterand sea water do not meet dierctly in the estuary region, despite the movenment of tides. This is due to the the presence of this waterbarrier that surounds the estuary region and permently separates them.
   
     Because there is no direct meeting between the river and sea, scientists noticed that there is gradual mixing even though ther is there is a separates area of estuary water, and the water barrier that surounds it. The Qur'an points to the existence of this barrier when it says; ".. and He has set a barrier.... between them". The barrier, as the scholars of exegesis said, is a barrier that prevents each of them corrupting the other. Mujahid said, "They meet but they do not mix."

























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