Two important rivers - one with its source in Jharkhand (and known by a different name in Odisha), and another with its source in Odisha - merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area. Which one of the following could be this?
1. Bhitarkanika
2. Chandipur-on-sea
3. Gopalpur-on-sea
4. Simlipal