Q. Consider the following statements about the climate of India:
Which of the above given statements is/are correct?
Explanation:
Statement 1 is incorrect: The ITCZ is a low pressure zone at the equator (not the high pressure zone). Here trade winds converge and air tends to ascend.
Statement 2 is correct: The ITCZ shifts northwards in summer(located at 20-25 degrees N latitude in July) and southwards in winters.
Statement 3 is incorrect: El-Nino is a complex weather phenomenon which results in floods, draughts and other weather extremes in different parts of the world. It occurs when cold Peruvian current (Humboldt current) is replaced by warm ocean waters temporarily. It usually appears every 3 to 7 years but sometimes may occur consecutively for 2 to 3 years due to global warming driven climate change.