Sea Level Rise — Prelims Questions

Which of the following are the primary causes of global mean sea level rise in recent decades? 1. Thermal expansion of ocean water 2. Melting of land-based glaciers and ice sheets 3. Melting of Arctic sea ice 4. Changes in ocean currents Select the correct answer using the code given below:

Consider the following statements regarding the impacts of sea level rise on India: 1. It can lead to saltwater intrusion into coastal aquifers, affecting freshwater availability. 2. It exacerbates the impact of storm surges during cyclones, leading to more extensive coastal flooding. 3. The Sundarbans region is particularly vulnerable due to its low-lying deltaic nature and reliance on mangrove ecosystems. Which of the statements given above are correct?

According to recent IPCC reports, what is the approximate global mean sea level rise rate observed in the period 2006-2018?

Which of the following international agreements or bodies primarily provides the scientific basis and policy guidance on sea level rise projections and impacts?

Consider the following statements regarding adaptation strategies for sea level rise: 1. Building hard engineering structures like sea walls is the only effective long-term solution. 2. Mangrove restoration can serve as a nature-based solution for coastal protection. 3. Managed retreat involves relocating communities and infrastructure from highly vulnerable coastal areas. Which of the statements given above is/are correct?