Glacial lakes dynamics has a concomitant impact over glacial retreat, mass change and glacial lake outburst floods (GLOFs) events. Recent warming led increase in glacial retreat at High-Mountain Asia (HMA) which has accelerated the formation of moraine-dammed glacial lakes; however, their relative potential for catastrophic events i.e., GLOF, are still a matter of detailed research. In the present study, the changes are assessed at the terminus position, glacier area and associated proglacial lake of Gepang Gath Glacier (GGGL), Chandra basin, western Himalaya, India, using multi-years satellite dataset of Landsat series (TM, ETM+ and OLI, 1989–2017). The results of glacial volume estimations using volume-area scaling method suggests ∼0.28 km³ of ice volume loss between 1989 and 2017. The glacier has retreated ∼846 m with an average rate of 30 m a⁻¹ and lost ∼0.73 ± 0.05 km² frontal area from 1989 to 2017. However, the glacier has not shown uniform retreat rate. Between 1989 and 2000 glacier retreat about ∼14 m a⁻¹ and the rate was increased gradually to ∼38 m a⁻¹ (2000–2009) and ∼50 m a⁻¹ (2015–2017). The calculated proglacial lake area has expanded ∼44 % and estimated equilibrium line altitude (ELA) rise was 54 ± 12 m, during the study period. The study explains that the continuous expansion of proglacial lake and ice loss can be dangerous to downstream region. It is concluded by underlining the importance of glacier-lake relationships to predict the glacial lake behavior and understand the probability of lake catastrophic events i.e., GLOF and associated hazards.

冰川湖的动态变化对冰川退缩，质量变化和冰川湖爆发洪水（GLOF）事件有相应的影响。最近的变暖导致亚洲高山区（HMA）的冰川退缩增加，这加速了冰m堰塞的冰川湖的形成；但是，它们在发生灾难性事件（例如GLOF）方面的相对潜力仍然是详细研究的问题。在本研究中，使用Landsat系列（TM，ETM +和OLI，1989–2017）。使用体积-面积换算方法估算的冰川体积的结果表明，约有0.28 km ³1989年至2017年之间的冰量损失。冰川从1989年至2017年已退缩846 m，平均速率为30 ma ^-1，损失了约0.73±0.05 km ^2的额叶面积。 。在1989年至2000年期间，冰川大约退缩了约14 ma ^-1，其速率逐渐增加到了约38 ma ^-1（2000-2009年）和约50 ma ^-1。（2015–2017）。在研究期间，计算出的冰川湖面积扩大了约44％，估计的平衡线高度（ELA）上升为54±12 m。研究表明，冰川湖的不断扩大和冰的流失可能对下游地区构成威胁。通过强调冰川湖关系来预测冰川湖行为并了解湖泊灾难性事件（即GLOF和相关危害）的可能性，可以得出结论。