Desert similar. They occur in regions where large temperature differences occur between sea and land. Moist warm air rises over the land, deposits its water content and circulates back to sea. Further inland, areas receive very little precipitation. The Thar Desert near the India/Pakistan border is of this type. In some parts of the world, deserts are created by a rain shadow effect. Orographic lift occurs as air masses rise to pass over high ground. In the process they cool and lose much of their moisture by precipitation on the windward slope of the mountain range. When they descend on the
Thar Desert the Sarasvati River to the west of the Kurukshetra plain, which contained a lake known as Kamyaka. The Kamyaka forest is mentioned as being situated at the head of the Thar desert, near Lake Trinavindu. The Pandavas, on their way to exile in the woods, left Pramanakoti on the banks of the Ganges and went towards Kurukshetra, travelling in a western direction and crossing the Yamuna and Drishadvati rivers. They finally reached the banks of the Sarasvati River where they saw the forest of Kamyaka, the favourite haunt of ascetics, situated on a level and wild plain on the banks