With reference to ‘Indian Ocean Dipole (IOD)’ sometimes mentioned in the news while forecasting Indian monsoon, which of the following statements is/are correct

2017

“ClimatologyXMonsoon,ENSO,IOD”, Geography

With reference to ‘Indian Ocean Dipole (IOD)’ sometimes mentioned in the news while forecasting Indian monsoon, which of the following statements is/are correct?

1. IOD phenomenon is characterized by a difference in sea surface temperature between tropical Western Indian Ocean and tropical Eastern Pacific Ocean.
2. An IOD phenomenon can influence an El Nino’s impact on the monsoon.

Select the correct answer using the code given below:

(a)

1 only

(b)

2 only

(c)

Both 1 and 2

(d)

Neither 1 nor 2

Answer:

(b)

Core Books/NCERT

Explanation

The phenomenon is concerned to temperature differentials in Western Indian Ocean and Eastern Indian Ocean. www.civilsdaily.com/story/geographic-phenomenon-key-concepts-and-issues/