Geography of Middle Ganga Plain

The eastern margin of Upper Ganga plain is fixed at a longitude of 84º.

The Siwalik hills have an average elevation of 200 meters.

Gomti river is not one of the rivers in the region besides Ganga and Yamuna.

The slope of the region towards the southeast is 24 cm per meter.

The Upper Ganga plain occupies 64% of the total area of Uttar Pradesh.

As the gradient increases, drainage in the region becomes more sluggish towards the south east.

The Middle Ganga plain is a part of the largest natural region known as the Great Southern plain.

The southern boundary of the river region is demarcated by 200 metre contours line.

Gondwanaland was located in the northern part of the Middle Ganga plain.

The alluvial deposits in the Middle Ganga plain are no longer being replenished.

The river known as the 'Sorrow of Bihar' is Gandak.

The Tirhut region is part of the Middle Ganga plain.

The surface alluvium in the Ganga Yamuna Doab rests on the Siwaliks and late Tertiary sediments.

The Ganga Yamuna Doab has flat uplands formed by the Khadar lowlands of the newer alluvium.

The Ganga and Yamuna khadar have only one distinct alluvial terrace identified.

The natural levees flanking the Ganga and Yamuna khadar are equally eroded.

The aeolian Blur deposits are a common topographic feature of the Ganga Yamuna Doab.

The Tarai in the Rohilkhand Plains is quite extensive and does not show variations in physical or cultural features.