Atmospheric Science Group (ASG)
Dharmadas Jash
Scientist D
Atmospheric Science Group (ASG)
Email : dharmadas[dot]jash[at]ncess[dot]gov[dot]in
Phone(Off): 0471-2511640
Mobile : 8921406045
Fax : 0471-2442280
Education
PhD : Thunderstorms with special emphasis on lightning over India, Cochin University of Science and Technology(CUSAT), Continuing.
M.Sc. : 2012, Physics, Homi Bhabha National Institute (Harish-Chandra Research Institute).
B. Sc. : 2009,University of Calcutta(Ramakrishna Mission Residential College).
Professional career
- 2023(Jan) - Present Scientist D, National Centre for Earth Science Studies.
- 2019(Jan) - 2022(Dec) Scientist C, National Centre for Earth Science Studies.
- 2016 (Feb) - 2018(Dec) Scientist B, National Centre for Earth Science Studies.
- 2015 (June) - 2016 (Feb) Project Scientist B, National Centre for Earth Science Studies.
- 2013 (Aug) - 2015 (June) Trainee Scientist (CAT-ESSC), Indian Institute of Tropical Meteorology (IITM), Pune.
Area of Specialization & Interest
- Cloud microphysics, cloud dynamics and rain macrophysics.
- Thunderstorms and lightning study using doppler weather radar and deep learning.
Honors/Awards/Fellowships/Recognitions
- CSIR-UGC NET, 2012.
View Google Scholar Link
Other Professional Activities (Professional Training/Committees/Editorial Services)
- AI/ML in Earth Sciences workshop by Virtual Center on AI/ML/DL of MoES" during 9-10 May, 2022.
- ICTP-IITM-COLA Targeted Training Activities (TTA): "Challenges in Monsoon Prediction" at International Center for Theoretical Physics (ICTP) Trieste, Italy from 23 Jun 2014 to 4 Jul 2014.
- Member of the Purchase Committee of NCESS.
- Nodal officer for the India International Science Festival (IISF-2023) during 17-20 Jan, 2024 at DBT THSTI- RCB Campus, Faridabad, Haryana.
- Participated in Global Science Festival Kerala (GSFK) during 15 Jan - 15 Feb, 2024.
- Participated in the outreach program in the Wayanad district during 21-23 Feb, 2024.
- Guidance to dissertation students.
SCI Publications
- Jash, D., Resmi, E. A., Unnikrishnan, C. K., Sumesh, R. K., Sreekanth, T. S., Sukumar, N., & Ramachandran, K. K. (2019). Variation in rain drop size distribution and rain integral parameters during southwest monsoon over a tropical station: An inter-comparison of disdrometer and Micro Rain Radar. Atmospheric Research, 217, 24-36.
- Sumesh, R. K., Resmi, E. A., Unnikrishnan, C. K., Jash, D., Sreekanth, T. S., Resmi, M. M., ... & Ramachandran, K. K. (2019). Microphysical aspects of tropical rainfall during Bright Band events at mid and high-altitude regions over Southern Western Ghats, India. Atmospheric Research, 227, 178-197.
- Sumesh, R. K., Resmi, E. A., Unnikrishnan, C. K., Jash, D., & Ramachandran, K. K. (2021). Signatures of shallow and deep clouds inferred from precipitation microphysics over windward side of Western Ghats. Journal of Geophysical Research: Atmospheres, 126(10), e2020JD034312.
- Sumesh, R. K., Resmi, E. A., Unnikrishnan, C. K., Jash, D., &Padmalal, D. (2022). The extreme precipitation events of August 2018 and 2019 over southern Western Ghats, India: A microphysical analysis using in-situ measurements. Atmospheric Research, 277, 106322.
- Jash, D., Resmi, E. A., Unnikrishnan, C. K., Sumesh, R. K., Kumar, S., & Sukumar, N. (2022). Analysis of pre-monsoon convective systems over a tropical coastal region using C-band polarimetric radar, satellite and numerical simulation. Atmosphere, 13(9), 1349.
- Kumar, S., Sumesh, R. K., Resmi, E. A., Jash, D., Unnikrishnan, C. K., Andrews, A., & Sukumar, N. (2022). Raindrop size distribution of stratiform precipitation over Southwest India-The Gateway of Indian Summer Monsoon. Atmospheric Research, 272, 106125.
- Resmi, E. A., Preethi, B., Ajayamohan, R. S., Ray, P., Unnikrishnan, C. K., Nita, S., ... &Jash, D. (2023). Analysis of localized features during wet and dry rainfall episodes over southern tip of India. International Journal of Climatology, 43(15), 7326-7345.
- Roy, A., Sharma, R. K., Jash, D., Rao, B. P., Dev, J. A., & Tomson, J. K. (2024). Imaging of moho topography with conditional generative adversarial network from observed gravity anomalies. Journal of Asian Earth Sciences, 265, 106093.
Conferences/Seminars/Symposia
- Workshop on "Emerging Trends in Atmospheric and climate Sciences" at CUSAT, Kochi, 3- 4 May 2017.
- Workshop on Cloud Condensation Nuclei Counter (CCNc) during 4-6 June, 2018 at Indian Institute of Tropical Meteorology, Pune.
- "International Workshop on Cloud Dynamics, Micro physics, and Small-Scale Simulation" during 13-17 August, 2018 at Indian Institute of Tropical Meteorology, Pune.
- Dharmadas Jash., Resmi E.A, Unikrishnan C.K., Sumesh R.K., Padmalal D. A preliminary analysis of a convective system using C band Doppler Weather Radar measurements over southern India. International Symposium on Tropical Meteorology "Changing Climate: Consequences and Challenges, INTROMET-2021.November 23-26, 2021, Kochi.
- Kumar S., Resmi E. A., Sumesh R. K., Dharamdas Jash., Unnikrishnan C.K, Padmalal, D. Orographic evolution of raindrop size distributions associated with bright-bands over Western Ghat. Proceedings of the 18th Annual Meeting of the Asia Oceania Geosciences Society (AOGS 2021), August 1-6, 2021, Singapore.
- Kumar S., Resmi E.A, Dharamdas Jash, Sumesh R. K, Unikrishnan C.K. Vertical raindrop size distribution of heavy to very heavy precipitation over western ghat: a case study. International Symposium on Tropical Meteorology "Changing Climate: Consequences and Challenges, INTROMET-2021.November 23-26, 2021, Kochi.
- Sumesh R K., E. A. Resmi, C. K. Unnikrishnan, Dharmadas Jash. Macrophysics of clouds and precipitation microphysics over windward side of Western Ghats during pre and post monsoon seasons. International Conference on Clouds and Precipitation 2 to 6 August 2021, Pune, India.
- Sumit Kumar, Resmi E.A, Dharmdas Jash, Unikrishnan C.K. and Sumesh R. K (2023). The investigation of hydrometeors structure and thermodynamic feature in mixed phase cloud system over the Western Ghats. National Symposium on Tropical Meteorology TROPMET-2023.
- Resmi E. A., B. Preethi, R. S. Ajayamohan, Pallav Ray, C. K. Unnikrishnan, S. Nita, R. K. Sumesh, J. Dharmadas. Response of monsoon low-level jet during wet and dry rainfall episodes over Southern Tip of India. 36th Kerala Science Congress, 8th - 11th February 2024, Kasaragod.
- workshop on "Heat Projections for Kerala" on 4th March 2024, Kerala State Disaster Management Authority.
