Tectonic and climatic controls on the Quaternary landscape evolution of the Piedmont Zone of the Ganga Plain, India

Auteur(s) et Affiliation(s)



Description :
Fieldwork substantiated satellite remote sensing and Digital Terrain Model (DTM) based investigations have been carried out to identify and map various geomorphic and tectonic features of a part of the densely forested and inaccessible Piedmont Zone (PZ) of the western Ganga Plain. A large alluvial fan and incised river valley surfaces with numerous cut-off channels/palaeochannels are the main landforms of the area. The proximal basin margin, against the Himalaya mountain range, is defined by the active Himalayan Frontal Thrust (HFT), which is offset along the transverse Jhirna Fault (JF) and Kalagarh Fault (KF). The middle part of the PZ is longitudinally traversed by the blind, oblique-slip Najibabad Fault (NF). The incised river valley surfaces have developed in response to climate driven reduction in sediment and water budget. However, tectonic activities have influenced their disposition by controlling the channel swinging and migration. Active movements along the faults have further sculpted the landforms of the area.


Type de document :
Article de périodique

Source :
Zeitschrift für Geomorphologie, issn : 0372-8854, 2014, vol. 58, n°. 3, p. 367-384, nombre de pages : 18, Références bibliographiques : 34 ref.

Date :
2014

Editeur :
Pays édition : Allemagne, Stuttgart, Gebruder Borntraeger