About
Dr Gayatry Kalita is an experienced researcher in the field of atmospheric aerosols, their short-term and long-term effects, air Quality, chemistry-climate interaction, and regional climate change.
Currently, she is working as a project scientist in Air Quality Early Warning Systems (AQEWS) for India and Delhi, in particular.
Besides, she is a lead member of the tuning and development of the visibility prediction model, Visibility Employing Realistic Aerosols (VERA) for Delhi.
Scientific Careers
Project Scientist II, Indian Institute of Tropical Meteorology, Pune (India)
May, 2022 - Present
DST Women Scientist, Indian Institute of Tropical Meteorology, Pune (India)
January, 2019 - January, 2022
Research Associate, Indian Institute of Tropical Meteorology, Pune (India)
September, 2016 - January, 2019
Senior Research Fellow, ISRO-GBP AT CTM (India)
April, 2011 - June, 2012
Junior Research Fellow, ISRO-GBP AT CTM (India)
March, 2009 - March, 2011
Project Assistant, ISRO-GBP AT CTM (India)
September, 2008 - February, 2009
Teaching Careers
Assistant Professor, Physics at Dronacharya College of Engineering, Delhi-NCR, India
April 2014 - July 2015
Academic Records
Ph.D., Physics, Dibrugarh University
Dissertation title: A Study of the Temporal and Spatial Characteristics of Ozone over the Indian Tropical Region and its Impact on Radiative Forcing
Advisors: Prof. P. K. Bhuyan
2014
M. Phil, Physics, Dibrugarh University
2009
M.Sc., Physics, Gauhati University
2006
List of Publication
- Rajmal Jat, Sachin D. Ghude, Gaurav Govardhan, Rajesh Kumar, Prafull P Yadav, Pratul Sharma, Gayatry Kalita , Sreyashi Debnath, Santosh H Kulkarni, Dilip M Chate, Ravi S Nanjundiah Effectiveness of respiratory face masks in reducing acute PM2. 5 pollution exposure during peak pollution period in Delhi. Science of The Total Environment 943, 173787 (2024)
- Rupal Ambulkar, Gaurav Govardhan, Srujan Gavhale, Gayatry Kalita , Chaitanya
Pande, Rajmal Jat, Santosh Kulkarni, Manoj Khare, S.D. Attri, Sachin D. Ghude Crop residue burning in north-western India: Emission estimation and Uncertainty quantification (2024)
- Rupal Ambulkar, Gaurav Govardhan, Srujan Gavhale, Gayatry Kalita , Chaitanya Pande, Rajmal Jat, Santosh Kulkarni, Manoj Khare, S.D. Attri and Sachin D. Ghude
Crop residue burning in north-western India: Emission estimation and Uncertainty quantification
(2024)
- Gayatry Kalita , Prafull P. Yadav, Rajmal Jat, Gaurav Govardhan, Rupal Ambulkar, Rajesh Kumar, Preeti Gunwani, Sreyashi Debnath, Pratul Sharma, Santosh Kulkarni, Akshara Kaginalkar, and Sachin D. Ghude Forecasting of an unusual dust event over Western India by the Air Quality Early Warning System Atmospheric Environment (2023) [Link ]
- Gayatry Kalita , Prafull P. Yadav , Rajmal Jat , Gaurav Govardhan , Rupal Ambulkar ,Rajesh Kumar , Preeti Gunwani ,Sreyashi Debnath , Pratul Sharma , Santosh Kulkarni, Akshara Kaginalkar , Sachin D. Ghude Forecasting of an unusual dust event over western India by the Air Quality Early Warning System
Atmospheric Environment (2023) [Link ]
- Sreyashi Debnath, Gaurav Govardhan, Rajmal Jat, Gayatry Kalita , Prafull Yadav, Chinmay Jena, Rajesh Kumar, Sachin D. Ghude Black Carbon Emissions and its impact on the monsoon rainfall patterns over the Indian Subcontinent: Insights into localized warming effects Atmospheric Environment: X (2023)
- Gaurav Govardhan, Sachin D. Ghude, Rajesh Kumar, Sumit Sharma, Preeti Gunwani, Chinmay Jena, Prafull Yadav, Shubhangi Ingle, Sreyashi Debnath, Pooja Pawar, Prodip Acharja, Rajmal Jat, Gayatry Kalita , Rupal Ambulkar, Santosh Kulkarni, Akshara Kaginalkar, Vijay K Soni, Ravi S. Nanjundiah, and M. Rajeevan Decision Support System (v 1.0) for Air Quality Management in Delhi, India (2023)
- Gayatry Kalita , Ravi Kumar Kunchala, SuvarnaFadnavis, Dimitris G.Kaskaoutis Long term variability of carbonaceous aerosols over Southeast Asia via reanalysis: Association with changes in vegetation cover and biomass burning, Atmospheric Research, Volume 245, 2020, 105064, (2020) [Link ]
- Suvarna Fadnavis, Rolf Müller, Gayatry Kalita , Matthew Rowlinson, Alexandru Rap, Jui-Lin Frank Li, Blaž Gasparini and Anton Laakso, The impact of recent changes in Asian anthropogenic emissions of SO2 on sulfate loading in the upper troposphere and lower stratosphere and the associated radiative changes Atmos. Chem. Phys., 19, 9989–10008, 2019 (2019) [Link ]
- Suvarna Fadnavis, Gayatry Kalita , K. Ravi Kumar, Blaz Gasparini and Jui-Lin Frank Li Potential impact of carbonaceous aerosols on the Upper 1 Troposphere and Lower Stratosphere (UTLS) during Asian summer monsoon in a global model simulation, Atmos. Chem. Phys. (2017) [Link ]
- Gayatry Kalita and P. K. Bhuyan Long term assessment of total ozone over a tropical region and its associations Proceedings Of International Conference on Climate Change Mitigation and Technologies for Adaptation, 2016(IC3MTA-2016), 148-153 (2016)
- Chandrakala Bharali, Lakhima Chutia, Binita Pathak, Gayatry kalita, Pradip Kumar Bhuyan Gayatry Kalita Atmospheric Trace Gases and their Implication on Regional Climate Proceedings Of International Conference on Climate Change Mitigation and Technologies for Adaptation, 2016(IC3MTA-2016), 82-87 (2016)
- G. Kalita and Hejib P. Impact of Climate Change on the Hydrological Cycle Proc.: DST Sponsored National Seminar on Problems and Prospects of Inter Linking of Rivers in the Country (2014)
- Pradip Kumar Bhuyan, C Bharali, B Pathak, G. Kalita , The role of precursor gases and meteorology on temporal evolution of O3 at a tropical location in northeast India, Environmental Science and Pollution Research, (2014) [Link ]
- Kusuma G Rao, N Narendra Reddy, G Ramakrishna, P K Bhuyan, KalyanBhuyan, G. Kalita , Binita Pathak Near Surface atmospheric response to the Total Solar Eclipse at Dibrugarh on 22 July, 2009 Journal of Atmospheric and Solar-Terrestrial Physics (2013) [Link ]
- G. Kalita , B. Pathak, K. Bhuyan, P. K. Bhuyan ), Impact of zonal wind on latitudinal variation of total columnar ozone over the Indian Peninsula International Journal of Remote Sensing, Manuscript TRES-PAP-2009-0719 (2011) [Link ]
- G. Kalita and P.K. Bhuyan Spatial Heterogeneity in Tropospheric Column Ozone over the Indian Subcontinent: Long-Term Climatology and Possible Association with Natural and Anthropogenic Activities Advances in Meteorology, Article ID 924516 (2011) [Link ]
- Gogoi M.M. ,K. K. Moorthy, P. K. Bhuyan, K. Bhuyan, B. Pathak, G. Kalita , S. S. Babu Muliti-year Investigations of Near-surface and Columnar Aerosols over Dibrugarh, Northeastern Location of India: Heterogeneity in source impacts Atmospheric Environment, 45, 1714-1724 (2011)
- Gayatry Kalita and Binita Pathak Association of pre-monsoon aerosol loading with cloud and rainfall occurrences over the Eastern Himalayan foothill region Current Science (2010)
- Pradip Kumar Bhuyan, Binita Pathak and Gayatry Kalita Impact of aerosols on weather and climate of north east india: A REVIEW, Transition: Inspiration to innovation (regional and interdisciplinary journal, published half-yearly offline by State Innovation & Transformation Aaayog SITA), Article no 7, (accepted for publication) (2010)
- B. Pathak, P. K. Bhuyan, M.M. Gogoi, G. Kalita , K. Bhuyan Validation of Satellite Derived AOD by Ground Observation over Dibrugarh, Indian Science and Technology Association on AEROSOLS & CLOUDS: CLIMATE CHANGE PERSPECTIVES 2010, Vol19, No 1& 2 (2010)
- G. Kalita , B. Pathak, K. Bhuyan, P. K. Bhuyan Properties of near surface Black Carbon Aerosols in a Rural Tropical Location Indian Science and Technology Association on AEROSOLS & CLOUDS: CLIMATE CHANGE PERSPECTIVES, Vol19, No 1& 2 (2010)
- Gogoi M.M. ,K. K. Moorthy, P. K. Bhuyan, K. Bhuyan, B. Pathak, G. Kalita , S. S. Babu, Muliti-year Investigations of Near-surface and Columnar Aerosols over Dibrugarh”, Northeastern Location of India , Indian Science and Technology Association on AEROSOLS & CLOUDS: CLIMATE CHANGE PERSPECTIVES, Vol19, No 1& 2. (2010)
- G. Kalita , P. K. Bhuyan and K. Bhuyan Variation of total columnar ozone characteristics over Dibrugarh, India and comparison with satellite observations over the Indian subcontinent Indian J. Phys. 84 (6), 635-639 (2010)
- B. Pathak, G. Kalita , K. Bhuyan, P. K. Bhuyan, and K. K. Moorthy Aerosol temporal characteristics and its impact on shortwave radiative forcing at a location in the North East of India , J. Geophys. Res., Vol 115, D19204 (2010) [Link ]
Research
Atmospheric aerosols and their impact on regional climate change
Aerosol inflow and outflow
Chemistry-Climate interaction
Atmospheric Chemistry-Climate modeling
Air Quality Monitoring
Upper troposphere and lower stratosphere
Climate change
Achievements
Listed 1st in top 20 articles in BioMedLib, LLC Research Scholars
P. K. Bhuyan, C. Bharali, B.Pathak, G. Kalita, The role of precursor gases and meteorology on temporal
evolution of O3 at a tropical location in North East India, Environmental Science and Pollution Research,
doi:10.1007/s11356-014-2587-3.
Editorial board Member of International Journal of Atmospheric and Oceanic Sciences for 2020-2022.
DST women Scientist Fellowship in Earth Sciences for 2019-2022