Explanation: In the context of Assam's geography, river islands, also known as riverine islands, are landmasses formed by the deposition of sediments in a river. These islands are unique geographical features that are often found in the Brahmaputra River, which is one of the major rivers in Assam. The Brahmaputra River is known for its dynamic nature, which leads to the formation of numerous river islands.
Umananda Island, also known as Peacock Island, is a small river island located in the Brahmaputra River near Guwahati, Assam. It is recognized as the world's smallest inhabited river island. The island is approximately 500 meters long and 200 meters wide, making it a unique geographical feature. The island is home to a temple dedicated to Lord Shiva, which is a significant religious and cultural site. The temple, known as the Umananda Temple, is believed to have been built in the 17th century by the Ahom King Gadadhar Singha.
The island's name, Umananda, is derived from the name of the temple and the deity it houses. "Uma" refers to Parvati, the consort of Lord Shiva, and "Nanda" means joy or happiness. The island is also known as Peacock Island due to its shape, which resembles a peacock.
It is important to distinguish Umananda from other river islands in Assam, such as Majuli, which is the largest river island in the world. While Majuli is a significant geographical feature, it is not the smallest river island. The confusion might arise from the fact that both Umananda and Majuli are river islands in Assam, but they differ in size and significance.
In summary, Umananda Island is the world's smallest inhabited river island, located in the Brahmaputra River in Assam. It is a unique geographical feature and a significant tourist attraction, known for its temple and cultural significance. Understanding the geographical features of Assam, including river islands, is crucial for comprehending the region's unique landscape and cultural heritage.