Which of the following low-pressure systems impact the sub-polar gyre? Aleutian

Question

Which of the following low-pressure systems impact the sub-polar gyre? Aleutian low Icelandic Low Both a and b. None of the above What can be said about change in extreme events as climate changes? Changes in extremes may be present Changes in extremes may not be present Both (a) and (b) are correct. There are no extreme events anymore. What are common characteristics of El Nino and La Nina? Significant changes in tropical Pacific SST Significant shifts in planetary scale circulations Both a and b. None of the above. The Southern Oscillation considers which of the following variables? Air pressure Indian monsoon strength Both a and b. None of the above How do conditions during the La Nina phase of ENSO compare to El ? generally the tame SST changes but circulations do not generally opposite Pacific Ocean SSTs remain unchanged all of the above

Explanation / Answer

8)answer:A (aleutian low)

EXPLANATION:

Subpolar gyres form at high latittudes.Circulation of surface winds and ocean water is counter clockwise in the northern hemisphere around a low pressure area such as the aluetian low and icelandic low.Surface currents generally move outward from thecentre of the systrem.this drives the ekman transport which creates an upwelling of nutriant rich water from lower depth

12)answer:C(generally opposite)

EXPLANATION:

ELNINO: It means a little boy in spanish.The term elnino refers to the largest scale ocean atmosheric climate interactions linked to periodic warming in sea surface temperatures across the central and east central equitorial pacific

LANINA:

Lanina means little girl in spanish.It represents the periods of below avearage sea surface temperaturesv across the east central equitorial pacific.during lanaina winter temperatures are warmer than normal in the south east and cooler in the north west

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