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
Thal Desert Thal Desert The Thal desert (Urdu, Punjabi: ) is situated in Punjab, Pakistan. The vast expanse is located between the Jhelum and Sindh rivers near the Pothohar Plateau, with a total length from north to south 190 miles, and a maximum breadth of and minimum breadth 20 miles. The desert covers the districts of Bhakkar, Khushab, Mianwali, Layyah, Muzaffargarh as well as Jhang, from the left bank of the river Jhelum. Geographically, it resembles the deserts of Cholistan and Thar. Three Fourth of its total area contains huge sand dunes though most of its areas are irrigated by the canal