INDIAN GEOGRAPHY

Detailed explanation-1: -A dune is a mound of sand formed by the wind, usually along the beach or in a desert. Dunes form when wind blows sand into a sheltered area behind an obstacle. Dunes grow as grains of sand accumulate.

Detailed explanation-2: -A large dune complex is called a dune field, while broad, flat regions covered with wind-swept sand or dunes with little or no vegetation are called ergs or sand seas.

Detailed explanation-3: -A sand dune is a hill or ridge beyond the reach of the tides, formed from sand over many years. They are ever-changing structures. Dunes usually form in bands parallel to the beach, getting taller and more chaotic the further away you get.

Detailed explanation-4: -When the wind stops blowing, the sand falls and gets deposited. These deposits look like little hills or mounds, called sand dunes.

Detailed explanation-5: -A hill or. ridge of sand piled up by the wind is called a sand dune. Dunes may form wherever there is a lot of loose sand and enough wind to move it. Beaches and deserts are common places for dunes.