Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Morphostratigraphy and Palaeoclimate Appraisal of the Leh Valley, Ladakh Himalayas, India


Affiliations
1 Department of Geology, Maharaja Sayajirao University of Baroda, Vadodara - 390 002, India
2 Geological Survey of India, Desert and Environmental Geology Division, Jaipur - 302 004, India
3 Department of Geology, University of Jammu, Jammu - 180 006, India
4 Indian Institute of Geomagnetism, Plot 5, Sector 18, Kalamboli, New Panvel (W), Navi Mumbai - 410 218, India
5 Department of Geology and Geophysics, IIT Kharagpur - 721 302, India
     

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In the present paper we study morphology, occurrence and mutual interrelationship of erosional (amphitheaters) and depositional landforms belonging to glacial (moraines), fluvio-glacial (glacial out wash), mass wasting (alluvial fans), aeolian (obstacle dune and sand sheets) and lacustrine (palaeo-lake sediments) processes within the Leh valley. These landforms are the geomorphic expression of past deglaciation grouped into five Formative Stages of Landform (FSL 1 to FSL 5) development in the Leh valley. The broad age bracket for the formative stages are based on the empirical relationship of the landforms, available chronology and their correlation with comparable climate phases. The retreat of glaciers in the Leh valley, along the southern slopes of Ladakh hill range and their retention over the northern slopes and Karakoram is further explained.

Keywords

Leh Valley, Ladakh Himalayas, Geomorphology, Climate Change, Snow Accumulation Zone, Westerlies.
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  • Morphostratigraphy and Palaeoclimate Appraisal of the Leh Valley, Ladakh Himalayas, India

Abstract Views: 214  |  PDF Views: 1

Authors

Dhananjay A. Sant
Department of Geology, Maharaja Sayajirao University of Baroda, Vadodara - 390 002, India
Sudesh K. Wadhawan
Geological Survey of India, Desert and Environmental Geology Division, Jaipur - 302 004, India
Rajinder K. Ganjoo
Department of Geology, University of Jammu, Jammu - 180 006, India
Nathani Basavaiah
Indian Institute of Geomagnetism, Plot 5, Sector 18, Kalamboli, New Panvel (W), Navi Mumbai - 410 218, India
Prabhin Sukumaran
Department of Geology, Maharaja Sayajirao University of Baroda, Vadodara - 390 002, India
Sourabh Bhattacharya
Department of Geology and Geophysics, IIT Kharagpur - 721 302, India

Abstract


In the present paper we study morphology, occurrence and mutual interrelationship of erosional (amphitheaters) and depositional landforms belonging to glacial (moraines), fluvio-glacial (glacial out wash), mass wasting (alluvial fans), aeolian (obstacle dune and sand sheets) and lacustrine (palaeo-lake sediments) processes within the Leh valley. These landforms are the geomorphic expression of past deglaciation grouped into five Formative Stages of Landform (FSL 1 to FSL 5) development in the Leh valley. The broad age bracket for the formative stages are based on the empirical relationship of the landforms, available chronology and their correlation with comparable climate phases. The retreat of glaciers in the Leh valley, along the southern slopes of Ladakh hill range and their retention over the northern slopes and Karakoram is further explained.

Keywords


Leh Valley, Ladakh Himalayas, Geomorphology, Climate Change, Snow Accumulation Zone, Westerlies.