Etymology
Main article: Etymology of Assam
Assam was known as Pragjyotishpur in the Mahabharata; and Kamarup in the 1st millennium. “While the Shan invaders called themselves Tai, they came to be referred to as Āsām, Āsam and sometimes as Acam by the indigenous people of the country. The modern Assamese word Āhom by which the Tai people are known is derived from Āsām or Āsam. The epithet applied to the Shan conquerors was subsequently transferred to the country over which they ruled and thus the name Kāmarūpa was replaced by Āsām,which ultimately took the Sanskritized form Asama, meaning ‘unequalled, peerless or uneven’. The British province after 1838 and the Indian state after 1947 came to be known as Assam.
On 27 February 2006, the Government of Assam started a process to change the name of the state to Asom or Axom,[4] a controversial move that has been opposed by the people and political organizations.[5]
[edit]Physical geography
Main article: Physical Geography of Assam
See also: Biodiversity of Assam
Geomorphic studies conclude that the Brahmaputra, the life-line of Assam is an antecedent river, older than the Himalayas. The river with steep gorges and rapids in Arunachal Pradeshentering Assam, becomes a braided river (at times 10 mi/16 km wide) and with tributaries, creates a flood plain (Brahmaputra Valley: 50–60 mi/80–100 km wide, 600 mi/1000 km long).[7] The hills of Karbi Anglong, North Cachar and those in and close to Guwahati (also Khasi-Garo Hills) now eroded and dissected are originally parts of the South Indian Plateau system.[7] In the south, the Barak originating in the Barail Range (Assam-Nagaland border), flows through the Cachar district with a 25–30 miles (40–50 km) wide valley and enters Bangladesh with the name Surma.
Assam is endowed with petroleum, natural gas, coal, limestone and other minor minerals such as magnetic quartzite, kaolin, sillimanites, clay and feldspar.[8] A small quantity of iron ore is available in western districts.[8] Discovered in 1889, all the major petroleum-gas reserves are in Upper parts. A recent USGS estimate shows 399 million barrels (63,400,000 m3) of oil, 1,178 billion cubic feet (3.34×1010 m3) of gas and 67 million barrels (10,700,000 m3) of natural gas liquids in the Assam Geologic Province.[9]
With the “Tropical Monsoon Rainforest Climate”, Assam is temperate (summer max. at 95–100 °F or 35–38 °C and winter min. at 43–46 °F or 6–8 °C) and experiences heavy rainfall and high humidity.[7][10] The climate is characterized by heavy monsoon downpours reducing summer temperatures and affecting foggy nights and mornings in winters. Thunderstormsknown as Bordoicila are frequent during the afternoons. Spring (Mar–Apr) and Autumn (Sept–Oct) are usually pleasant with moderate rainfall and temperature.
Assam is one of the richest biodiversity zones in the world and consists of tropical rainforests,[11] deciduous forests, riverinegrasslands,[12] bamboo[13] orchards and numerous wetland[14] ecosystems; Many are now protected as national parks and reserved forests. The Kaziranga, home of the rare Indian Rhinoceros, and Manas are two UNESCO World Heritage Sites in Assam. The state is the last refuge for numerous other endangered species such as the Golden Langur (Presbetis geei), White-winged Wood Duck orDeohanh (Cairina scutulata), Bengal Florican, Black-breasted Parrotbill, Pygmy Hog, Greater Adjutant and so on. Some other endangered species with significant population in Assam are the tiger, elephant, Hoolock gibbon, Jerdon's Babbler and so on to name a few. Assam is also known for orchids.[15]
The region is prone to natural disasters with annual floods and frequent mild earthquakes. Strong earthquakes are rare; three of which were recorded in 1869, 1897 (8.1 on the Richter scale); and in 1950 (8.6).
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