HST 197 Chapter Notes - Chapter 14-15: Post-Classical History, Indus River, Ganges
Document Summary
Irrigation was essential for the maintenance of a large densely populated, agricultural. During the spring and summer winds from the southwest brought most of india"s rainfall. During the fall and winter, very dry cool winds blow from the northeast. Indian lands required a good watering by the southern monsoon, supplemented by. Short supplies of water for irrigation commonly lead to a drought, reduced harvests and irrigation during the dry months widespread famine. Cultivators tapped the waters of the indus river. As aryans migrated to the ganges river valley, they found plentiful surface water and abundant opportunities to build irrigation systems. However in most southern indian lands, it is arid land without rivers. As southern india became more densely populated irrigation systems became crucial and a great deal of energy and effort went into the construction of waterworks. Dams, canals, reservoirs, wells and tunnels began to appear.
