Education
Ph.D., Indian Institute of Technology (IIT) Roorkee, 2019. Thesis title- Modeling-based characterization of glaciers and Glacial Lake Outburst Floods (GLOF) using earth observation techniques. Supervisors- Dr. Ajanta Goswami and Dr. Anil V. Kulkarni (DCCC, IISC Bangalore).
Appointments
10/2022 – present: DST Inspire Faculty, Divecha Center for Climate Change, IISc Bangalore
10/2021 – 09/2022: Postdoctoral Researcher, University of Zurich, Switzerland
1/2021 – 08/2021: Federal Postdoctoral Researcher, University of Zurich, Switzerland
01/2020 – 01/2021: Postdoctoral Researcher, University of Dayton, OH. USA
04/2015 – 10/2019: Ph.D. - Remote sensing, glacier, and Glacial Lake Outburst Flood (GLOF) modeling, 2019, IIT Roorkee, India
Published:
- 1. Shugar, D.H., Jacquemart, M., Shean, D., Bhushan, S., Upadhyay, K., Sattar, Ashim., et al. (2021)- A massive rock and ice avalanche caused the 2021 disaster at Chamoli, Indian Himalaya. Science.
- 2. Ashim Sattar, Umesh K. Haritashya, Jeffrey S. Kargel, Gregory J. Leonard, Dan H. Shugar, Donald V. Chase (2021)- Modeling lake outburst and downstream hazard assessment of the Lower Barun Glacial Lake, Nepal Himalaya. Journal of Hydrology.
- 3. Ashim Sattar*, Ajanta Goswami, Anil. V. Kulkarni, Adam Emmer, Umesh K. Haritashya, Simon Allen, Holger Frey, Christian Huggel (2020)- Future Glacial Lake Outburst Flood (GLOF) hazard of the South Lhonak Lake, Sikkim. Geomorphology.
- 4. Adam Emmer, Melaine Le Roy, Ashim Sattar, Bijeesh K. Veettil, Jesús Alcalá-Reygosa, Néstor Campos, Jakub Malecki, Alejo Cochachin (2021)- Glacier retreat and associated processes since the Last Glacial Maximum in the Lejiamayu valley, Peruvian Andes. Journal of South American Earth Sciences.
- 5. Ulfat Majeed, Irfan Rashid, Ashim Sattar, Simon Allen, Markus Stoffel, Marcus Nüsser, Susanne Schmidt (2020)- Recession of Gya Glacier and the 2014 glacial lake outburst flood in the Trans-Himalayan region of Ladakh, India. Science of the Total Environment.
- 6. Ashim Sattar*, Goswami, A., Kulkarni, A. and Emmer, A., (2020)- Lake Evolution, Hydrodynamic Outburst Flood Modeling, and Sensitivity Analysis in the Central Himalaya: A Case Study, 12(1), p.237. Water.
- 7. Ashim Sattar*, Goswami, A., Kulkarni, A. V., & Das, P. (2019)- Glacier-Surface Velocity Derived Ice Volume and Retreat Assessment in the Dhauliganga Basin, Central Himalaya-A Remote Sensing and Modeling Based Approach. Frontiers in Earth Science.
- 8. Ashim Sattar*, Goswami, A., & Kulkarni, A. V. (2019)- Application of 1D and 2D hydrodynamic modeling to study glacial lake outburst flood (GLOF) and its impact on a hydropower station in Central Himalaya. Natural Hazards.
- 9. Ashim Sattar*, Goswami, A., & Kulkarni, A. V. (2019)-Hydrodynamic moraine-breach modeling and outburst flood routing-A hazard assessment of the South Lhonak lake, Sikkim. 668, 362-378. Science of the Total Environment.
- 10. Malik, S., Pal, S.C., Ashim Sattar, Singh, S.K., Das, B., Chakrabortty, R. and Mohammad, P., (2020)- Trend of extreme rainfall events using suitable Global Circulation Model to combat the water logging condition in Kolkata Metropolitan Area. Urban Climate, 32, p.100599.
- 11. Ashim Sattar*, Umesh Haritashya, Jeffrey S. Kargel, Alina Karki (2022)- Transition of a small Himalayan glacier lake outburst flood to a giant transborder flood and debris flow. Scientific Reports
- 12. Adam Emmer, Simon Allen, Mark Carey, Holger Frey, Christian Huggel, Oliver Korup, Martin Mergili, Ashim Sattar, Georg Veh et al., (2022)- Progress and challenges in glacial lake outburst flood research (2017-2021): a research community perspective. Natural Hazards and Earth System Science.
- 13.Simon K. Allen, Ashim Sattar, Owen King, Guoqing Zhang, Atanu Bhattacharya, Tandong Yao, Tobias Bolch (2022)- Glacial lake outburst flood hazard under current and future conditions: worst-case scenarios in a transboundary Himalayan basin. Natural Hazards and Earth System Science. (Impact Factor-4.58)
- 14.Ashim Sattar*, Simon Allen, Martin Mergili, Wilfried Haeberli, Holger Frey, Anil V. Kulkarni, Umesh K. Haritashya, Christian Huggel, Ajanta Goswami, RAAJ Ramshankaran (2022) - Glacial Lake Outburst Flood (GLOF) process chains under current and future scenarios considering options of lake-level lowering, Gepang Gath, Western Himalaya. JGR Earth Surface. (Impact Factor- 4.7)
- 15.Sonam Rinzin, Guoqing Zhang, Ashim Sattar, Sonam Wangchuk, Simon Allen, Stuart Dunning, Peng Menger (2022)-GLOF hazard and risk assessment of highly dangerous glacial lakes in the Bhutan Himalaya. Journal of Hydrology. (Impact Factor- 6.7)
- 16. Saket Dubey, Ashim Sattar*, Manish Kumar Goyal, Simon Allen, Holger Frey, Christian Huggel, Umesh K. Haritashya (2022) - Susceptibility of human infrastructure to avalanche and rockfall in the Hindu-Kush-Himalaya- potential secondary hazard from glacial lakes. JGR Earths Future. (Impact Factor-8.85)
- 17. Menger Peng, Xue Wang, Guoqing Zhang, Georg Veh, Ashim Sattar, Simon Allen (2023)- Causes, mechanisms, and downstream impacts of two recent glacial lake outburst flood hazards on the southeastern Tibetan Plateau. Journal of Hydrology. (Impact Factor- 6.7)
International Conferences:
-
1. Ashim Sattar, Simon Allen, Holger Frey, Christian Huggel, Martin Mergili- Modeling glacial lake outburst flood process chains in Sikkim Himalaya: Hazard assessment of the two potentially hazardous lakes. EGU General Assembly, 2021.
- 2. Martin Mergili, Ashim Sattar, Johnathan Carrivick, Adam Emmer, Kyle T. Mandli, Mylène Jacquemart, Scott Watson, Matt Westoby, John J. Clague, Umesh K. Haritashya, Dan H. Shugar-Exploring the flow evolution of the Chamoli event (Uttarakhand, India) of 7 February 2021: From geomorphological mapping to multi-model computer simulations. EGU General Assembly, 2021.
- 3. Saket Dubey, Manish Kumar Goyal, Ashim Sattar, Umesh K. Haritashya - Susceptibility of glacial lakes to avalanche and rockfall in the Hindu-Kush-Himalaya. EGU General Assembly, 2021.
- 4. Simon Allen, Tobias Bolch, Holger Frey, Guoqing Zhang, Guoxiong Zheng, Suraj Mal, Chen Ningsheng, Ashim Sattar, Markus Stoffel- Glacial lake outburst floods in High Mountain Asia: From large scale assessment to local disaster risk management. EGU General Assembly, 2021.
- 5. Ashim Sattar, Ajanta Goswami, Anil. V. Kulkarni- Hydrodynamic modeling of glacial lake outburst flood (GLOF) and its impact on a Hydropower Station- A case study at the upper Alaknanda Basin, Central Himalaya. NH6.1/AS5.21/CR7.3/GI2.17/HS11.33/SM 3.12/SSS13.54 EGU General Assembly 2018, Vienna, Austria.
- 6. Ajanta Goswami, Bijay Ketan Mohanta, Ashim Sattar, Anil. V. Kulkarni (2016)- Glacial lake dynamics and climate change-A study of temporal evolution of the glacier melt lakes in Uttarakhand. International Conference on Climate Change Mitigation and Technologies for Adaptation.
- 7. Ajanta Goswami, Pir Mohammad, Ashim Sattar (2016)- A temporal study of Urban Heat Island (UHI) using Remote Sensing-A Evaluation of Ahmedabad city, Gujarat. International Conference on Climate Change Mitigation and Technologies for Adaptation.
- 8. Pir Mohammad, Ajanta Goswami, Ashim Sattar, Stefania Bonafoni (2016)-A remote sensing approach to study the temporal growth of the urban limits for the city of Hyderabad from 2001-2015. International Conference on Civil Engineering for Sustainable Development-Opportunities & Challenges
- 9. Ajanta Goswami, Pir Mohammad, Ashim Sattar, Rahul Mahanta, Stefania Bonafoni (2016)- An Urban Heat Island magnitude study over the city of Guwahati-An integration of Remote Sensing and Ground based approach. International Conference on Civil Engineering for Sustainable Development-Opportunities & Challenges.
- 10. Ashim Sattar, Ajanta Goswami, Anil.V.Kulkarni (2015)- The status of Himalayan glaciers-A review on glacier mass balance. International Society for Photogrammetry and Remote Sensing (ISPRS WG VIII/1 Workshop)- ISPRS15-07-0007.
- 11. C.P.Rajendran, Jaishri Sanwal, Kusala Rajendran, C.N.Prabhu, A.S.Silpa, Ashim Sattar (2015)- Continuous Indian Ocean Tsunami History: Database from Andaman-Nicobar Islands- Asia Ocenia Geosciences Society (AOGS), Singapore.
- 12. Saket Dubey, Ashim Sattar, Umesh K Haritashya, Manish Kumar Goyal, Simon Allen, Holger Frey, Christian Huggel (2022)-Avalanche and landslide exposure in Hindu-Kush Karakoram Himalaya- AGU Fall Meeting, 2022
- 13. Ashim Sattar, Umesh K Haritashya, Jeffrey S Kargel (2020)-Reconstructing the process-chain of the 2016 Glacial Lake outburst flood (GLOF), Poiqu basin, Eastern Himalaya- AGU Fall Meeting, 2021
- 14.Ashim Sattar, (2020) GLOF process chain modeling and future hazard of the South Lhonak Lake and its hydraulic uncertainty, International Conference on Himalayan Cryosphere-2020, IISc Bangalore
National conferences:
- 1. Ashim Sattar, Ajanta Goswami, Anil.V.Kulkarni (2016)- A temporal study of Land Surface temperature and precipitation: An evaluation of Glacier Mass Balance and Glacial Lakes Using Earth Observatory Techniques” -National Geo-Research Scholars Meet, 2016.
- 2. Ashim Sattar, Ajnata Goswami, Anil. V. Kulkarni, Pritam Das (2016)- Estimation of total glacier volume and volume change from 1968 to 2016 in Dhauliganga basin using different methods-National Conference on Himalayan Cryosphere, 2017, IISc Bangalore.
- 3. Ajanta Goswami, Sadanand Yadav, Ashim Sattar, Anil. V. Kulkarni, Sanjay K Jain (2016)- A review on Glacial Lake and Glacial Lake outburst flood in Indian Himalaya and its impact on the Ganga Basin”- National Seminar on R & D Perspective for Rejuvenation of River Ganga, 2015.
Awards & Grants:
International Fellowships/awards/funding:
1. Nehru Grimssion Fellowship (Remote Sensing & Glaciology - University of Iceland) (2018)
2. Swiss Government Excellence Award (University of Zurich, Switzerland) (2021) (Postdoc)
3. NASA-funded Postdoc (University of Dayton, USA) (2020)
National Fellowships Awarded:
1. DST INSPIRE FELLOWSHIP, 2015 for Ph.D. (Indian Institute of Technology Roorkee)
2. DST INSPIRE FACULTY AWARD, 2022 (Indian Institute of Science Bangalore)
Awards/Honors:
1. Prof. M.N.Viswanathaiah Endowment Gold Medal, 2013 (Master in Science, Applied Geology)
3. Prof. Chind Prasad Rao Memorial Gold medal, 2013 (Master in Science, Applied Geology)
4. Prof. P.N.Satish Gold Medal, 2013 (Master in Science, Applied Geology)
5. Best Research Presentation Award, 2017- NCPOR, Goa
Membership
Membership of Professional Remote Sensing Societies and research groups:
- 1. Life Member of Indian Society of Remote Sensing (ISRS)
- 2. Life Member of Indian Society of Geomatics (ISG)
- 3. Expert member of Glacier and Permafrost Hazards in Mountains (GAPHAZ)-A Scientific Standing Group of the International Association of Cryospheric Sciences IACS and the International Permafrost Association IPA.
- 4. Affiliated member of Environment and Climate: Impacts, Risks, and Adaptation (EClim), University of Zurich, Switzerland.
- 5. Life member of Geological Society of India (GSI) (M-0286)
- 6. Life member of Indian Meteorological Society (IMS) (LM-3794)
- 7. Life member of Indian Association of Hydrologists (LM-2090)
<--------------------------------------------------------------------------------------------------------->
Research Areas
Broad research areas: Geo-Hazard and Risk; Early Warning System; Remote Sensing; GIS; Glaciology; Glacier-related hazards; Glacier geomorphology; Climate Change; Socio-economic impacts
Specific research areas:
-
- • Remote Sensing/GIS-based characterization of glaciers
- • Interdisciplinary research on mountain hazards and their socio-environmental impacts
- • GLOFs and debris flow modeling
- • Glacier geomorphology- mapping and monitoring
- • Modeling of mass movements/slope failures (landslides and avalanches in periglacial environments)
- • Geomorphological reconstructions
- • Large-scale high-mountain hazard and risk modeling
- • Adaptation and disaster risk reduction
- • GIS and field-based Early Warning System (EWS) design for mountain hazard
<------------------------------------------------------------------------------------------------------------->
Scientific Reports
- 1. Holger Frey, Ashim Sattar, Frank Paul- Glacier Science in the Alps Use case Geohazards Report, prepared under European Space Agency (ESA) contract.
- 2. Ashim Sattar, Holger Frey, Simon Allen- Hazard and exposure mapping for outburst floods from Shako Cho and South Lhonak glacial lakes in Sikkim, India (2022), University of Zurich, Swiss Development corporation, Geotest, University of Geneva
- 3. Simon Allen and Ashim Sattar- Modelling of outburst flood hazard from Lake Sarez, Tajikistan (2023)
