La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino ? 1. La Nina is characterised by unusually cold ocean temperature in equatorial Indian Ocean whereas El Nino is characterised by unusually warm ocean temperature in the equatorial Pacific Ocean. 2. El Nino has adverse effect on south-west monsoon of India, but La Nina has no effect on monsoon climate. Which of the statements given above is/are correct?

1. Statement 1 is incorrect: La Nina is characterized by unusually cold ocean temperatures in the equatorial Pacific Ocean, specifically the central and eastern parts, not the equatorial Indian Ocean. El Nino is correctly characterized by unusually warm ocean temperatures in the equatorial Pacific Ocean. 2. Statement 2 is incorrect: El Nino generally has an adverse effect on the south-west monsoon of India, often leading to weaker monsoons and drought conditions. Conversely, La Nina is typically associated with stronger than normal or normal monsoon rainfall in India. Therefore, it does have an effect on the monsoon climate, often a positive one, making the claim of 'no effect' incorrect. Thus, neither statement 1 nor 2 is correct.