the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Glacier terminus retreat, mass budget, and surface velocity measurements for the Jankar Chhu Watershed, Lahaul Himalaya, India
Abstract. Characterization of glacier changes in the terminus, elevation, and surface velocity was worked out for the Jankar Chhu Watershed (JCW) of Lahaul Himalaya using freely available satellite remote sensing data and the limited number of field observations. We studied changes using Corona (1971), Landsat (1993–2017), Sentinel 2A (2016), the SRTM Digital Elevation Model (DEM; 2000), and the global TanDEM‒X DEM (2014). Change detection for nine select glaciers was studied in detail. Our results showed that changes in glacier terminus (−4.7 ± 0.4 m a−1) between 1971 and 2016 are smaller than previously reported. An intricate pattern of mass changes across the JCW was observed, with surface lowering on an average of −0.7 ± 0.4 m a−1 which equates to a geodetic mass balance of −0.6 ± 0.4 m w.e. a−1 during 2000–14. The computed glacier surface velocities (1993‒2017) reveal nearly stagnant debris-covered ablation zone but the dynamically active main trunk. Field observations/measurements also support the findings. This study provides valuable insights into the recent glacier variations, which are of critical importance to assess the future glacier dynamics on a regional scale in areas like the present one. The dataset is freely accessible at http://doi.org/10.5281/zenodo.3383233 (Das and Sharma, 2019b).
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Interactive discussion
- RC1: 'review of "Glacier changes ..."', Anonymous Referee #1, 07 Feb 2020
- RC2: 'essd-2019-201', Anonymous Referee #2, 04 Mar 2020
- EC1: 'Editor Comment', Reinhard Drews, 07 May 2020
Interactive discussion
- RC1: 'review of "Glacier changes ..."', Anonymous Referee #1, 07 Feb 2020
- RC2: 'essd-2019-201', Anonymous Referee #2, 04 Mar 2020
- EC1: 'Editor Comment', Reinhard Drews, 07 May 2020
Data sets
Datasets on multiparameter glacier change dynamics for the Jankar Chhu Watershed, Lahaul Himalaya, India S. Das and M. C. Sharma https://doi.org/10.5281/zenodo.3383233
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Cited
2 citations as recorded by crossref.
- Multi-parametrical analysis of Haptal glacier, lower Chenab basin, Jammu and Kashmir, India: A remote sensing approach S. Rai et al. 10.1007/s12040-024-02290-7
- Glacier Volume Estimation Using Laminar-Flow and Volume–Area Scaling Techniques in the Chenab Basin J. Gopika et al. 10.1007/s12524-023-01744-7
Suresh Das
Milap Chand Sharma
This preprint has been withdrawn.
- Preprint
(3123 KB) - Metadata XML
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Supplement
(549 KB) - BibTeX
- EndNote