Education:

Area of Specialization & Interest:

• Atmospheric aerosols-chemical and physical characterization, aerosol-cloud interaction, radiative and climatic impacts.

Honors/Awards/Fellowships/Recognitions:

1. ISRO Research Fellowship: Space Physics Laboratory, VSSC, ISRO, 2014-2019.
2. Best paper award at Indian International Conference on Air Quality Management (IICAQM-2018), organised by IIT Chennai and University of Surrey, UK during December, 2018.
3. ISRO Post-Doctoral Fellowship: Space Physics Laboratory, VSSC, ISRO, 2021-2023.
4. Chief Minister’s Nava Kerala post-doctoral Fellowship (CMNPF 2023).
5. Best poster presentation award in the Scientist category at the 36th KERALA SCIENCE CONGRESS during held at Kasargod during February 2024.

SCI Publications :

1. Aswini, A.R., Hegde, P., Nair, P.R. (2018). Carbonaceous and inorganic aerosols over a sub-urban site in peninsular India: Temporal variability and source characteristics. Atmospheric Research, 199, 40-53. doi.org/10.1016/j.atmosres.2017.09.005.
2. Aswini, A.R., Hegde, P., Nair, P.R., Aryasree, S. (2019). Seasonal changes in carbonaceous aerosols over a tropical coastal location in response to meteorological processes. Science of the Total Environment, 656, 1261–1279. doi.org/10.1016/j.scitotenv.2018.11.366.
3. Aswini, A.R., Hegde, P., Aryasree, S., Girach, I.A., Nair, P.R. (2020). Continental outflow of anthropogenic aerosols over Arabian Sea and Indian Ocean during wintertime: ICARB-2018 campaign. Science of the Total Environment, 712, 135214. doi.org/10.1016/j.scitotenv.2019.135214.
4. Aswini, A.R., Hegde, P. (2021). Impact assessment of continental and marine air-mass on size-resolved aerosol chemical composition over coastal atmosphere: Significant organic contribution in coarse mode fraction. Atmospheric Research, 148, 105216. doi.org/10.1016/j.atmosres.2020.105216.
5. Aswini, A.R., Hegde, P., Boreddy, S. K. R., Nair, P.R. (2022). Chemical Characteristics of Aerosols from Distinct Environments over the Indian Region: Heterogeneity in Distribution and Sources of Carbonaceous Aerosols. ACS Earth Space Chem. 2022, 6, 1, 56–72.
6. Arun, B.S., Aswini, A.R., Gogoi, M.M., Hegde, P., Kompalli, S.K., Sharma, P., S Babu, S.S. (2019). Physico-chemical and optical properties of aerosols at a background site (~ 4 km a.s.l.) in the western Himalayas. Atmospheric Environment, 218, 117017. doi.org/10.1016/j.atmosenv.2019.117017.
7. Hegde, P., Vyas, B.M., Aswini, A.R., Aryasree, S., Nair, P.R. (2020). Carbonaceous and water-soluble inorganic aerosols over a semi-arid location in north-west India: Seasonal variations and source characteristics. Journal of Arid Environments, 172, 104018. doi.org/10.1016/j.jaridenv.2019.104018.
8. Boreddy, S. K. R., Hegde, P., Aswini, A.R., Girach, I.A., Koushik, N., Nalini K. (2020). Impact of ice-free oases on particulate matter over the East Antarctic: inferences from the carbonaceous, water-soluble species and trace metals. Polar Science. doi.org/10.1016/j.polar.2020.100520.
9. Boreddy, S. K. R., Hegde, P., Aswini, A.R. (2021). Geochemical characteristics of trace elements in size-resolved coastal urban aerosols associated with distinct air masses over tropical peninsular India: Size distributions and source apportionment. Science of the Total Environment, 142967. doi.org/10.1016/j.scitotenv.2020.142967.
10. Boreddy, S. K. R., Hegde, P., Aswini, A. R. (2021). Chemical Characteristics, Size Distributions, and Aerosol Liquid Water in Size-Resolved Coastal Urban Aerosols Allied with Distinct Air Masses over Tropical Peninsular India. ACS Earth Space Chem. doi.org/10.1021/acsearthspacechem.0c00282.
11. Boreddy, S. K. R., Hegde, P., Aswini, A. R., Williams, M. A., Elavarasi, R., Lakshmi Kumar, T. V. (2021). Seasonal variations in characteristics, sources and diurnal patterns of carbonaceous and water-soluble constituents in urban aerosols from the east coast of tropical India. Environ. Chem. doi.org/10.1071/EN21017.
12. Ezhilkumar, M. R., Karthikeyan, S., Aswini, A. R., Hegde, P. (2021). Seasonal and vertical characteristics of particulate and elemental concentrations along diverse street canyons in south India. Environmental Science and Pollution Research. doi.org/10.1007/s11356-021-15272-9.
13. Boreddy, S. K. R., Hegde, P., Aswini, A. R., & Aryasree, S. (2021). Chemical characteristics, size distributions, molecular composition, and brown carbon in south Asian outflow to the Indian Ocean. Earth and Space Science, 8, e2020EA001615. doi.org/10.1029/2020EA001615.
14. Hegde, P., Boreddy, S. K. R., Aswini, A.R., Aryasree, S., (2022). Influence of south Asian outflow on secondary organic aerosol formation over the Indian Ocean: Inferences from water-soluble low molecular weight dicarboxylic acids and related organic compounds during ICARB 2018 experiment. Marine Chemistry, 239, 104071. doi.org/10.1016/j.marchem.2021.104071.
15. Boreddy, S. K. R., Hegde, P., Arun, B.S., Aswini, A. R., Babu, S.S. (2022). Molecular composition and light-absorbing properties of organic aerosols from west-coast of tropical India. Science of the Total Environment, 845, 157163. Doi:10.1016/j.scitotenv.2022.157163.
16. Boreddy, S. K. R., Hegde, P., Aswini, A. R. (2022). Summertime High Abundances of Succinic, Citric, and Glyoxylic Acids in Antarctic Aerosols: Implications to Secondary Organic Aerosol Formation. JGR Atmospheres, 127, 10. https://doi.org/10.1029/2021JD036172.
17. Deshmukh, D. K., Aswini, A. R., Ramya, C. B., Hegde, P., & Babu, S. S. (2023). Anthropogenic and biogenic sources drive the molecular fingerprints and atmospheric processing of water-soluble organic aerosols at a tropical hill station in the Western Ghats of India. Earth and Space Science, 10, e2023EA002889. https://doi.org/10.1029/2023EA002889.
18. Ramya, C. B., Aswini, A. R., Hegde, P., Boreddy, S. K. R., Babu, S. S. (2023). Water-soluble organic aerosols over South Asia – Seasonal changes and source characteristics, Science of The Total Environment, 900,165644. https://doi.org/10.1016/j.scitotenv.2023.165644.

Conferences/Seminars/Symposia:

1. Aswini, A. R., Hegde, P., Nair, P. R. Measurement of water soluble organic carbon in atmospheric aerosols using Total Organic Carbon analyzer. National Conference on Analytical Science and Technology (ANASAT) at Munnar, from September 24 -26, 2015.
2. Aswini, A. R., Hegde, P., Nair, P. R. Seasonality and source characteristics of carbonaceous species in aerosols of the tropical environment of Coimbatore. National Space Science Symposium (NSSS) at VSSC, Trivandrum, from February 9-12, 2016.
3. Aswini, A. R., Hegde, P., Nair, P. R. Carbonaceous and inorganic aerosols over a sub-urban site in peninsular India: temporal variability and source characteristics. Indian Aerosol Science and Technology Association (IASTA) at Physical research Laboratory (PRL), Ahmedabad, from December 6-8, 2016.
4. Aswini, A. R., Hegde, P., Nair, P. R. Carbonaceous and inorganic aerosols over a sub-urban site in peninsular India: temporal variability and source characteristics. Understanding, Predicting and Projecting Climate Change over Indian Region (UPCAR) at National Atmospheric Research Laboratory (NARL), Tirupati, from June 26-28, 2017.
5. Aswini, A. R., Hegde, P., Size-speciated chemistry of ions, trace metals and carbonaceous aerosols over a hill station in peninsular India – measurement techniques and source apportionment held at Kochi during March 23-25, 2023. Indian Analytical Science Congress held by The Indian Society of Analytical Scientists, Kerala Chapter conference.
6. Aswini, A. R., Hegde, P., Nair, P. R., Aryasree, S. Characteristics of carbonaceous aerosols over a tropical coastal location in southern peninsular India“. IASTA-2018, at Centre for Atmospheric Sciences, IIT Delhi, from 26-28 November, 2018.
7. Aswini, A. R., Hegde, P., Nair, P. R. Chemical composition of atmospheric aerosols over the surrounding residential area of an urban centre. Indian International Conference on Air Quality Management (IICAQM), at IIT, Chennai, from 6-7 December, 2018.
8. Aswini, A. R., Hegde P. Size-speciated chemistry of ions, trace metals and carbonaceous aerosols over a hill station in peninsular India – measurement techniques and source apportionment, Indian Analytical Science Congress IASC-2023, Kochi, March 23-25, 2023.
9. Aswini, A. R., Resmi, E. A. and Sumesh, R. K., Characterization of Boundary Layer Height over a High-Altitude sitei Western Ghats using a Ceilometer and Microwave Radiometer. Proceedings of the 36th KERALA SCIENCE CONGRESS, vol.36, 100-101 at Kasargod, Kerala during Feb 8-11, 2024.
10. Prashant Hegde, Aswini, A.R. and Prabha R. Nair, Measurement of water soluble organic carbon in atmospheric aerosols using total organic carbon anlayser”. National conference on analytical science and technology held at Munnar during September 24-26, 2015. The Indian Society of Analytical Scientists, Kerala Chapter conference proceedings, vol. 70, 61-62 (2015).
11. Prashant Hegde, Aswini, A.R. and Prabha R. Nair, Characterisation of aerosol carbon and nitrogen isotopes at a site on the southwest coast of India, 19th National Space Science Symposium, VSSC, February 09 - 12, (2016).
12. Arun B.S., Aswini A. R, Gogoi, M. M., Kompalli, S. K., Hegde, P., Babu, S. S. Physical, Optical and Chemical characteristics of aerosols over Lahaul-Spiti valley in the western Himalayas (4080 m a.s.l). IASTA-2018, at Centre for Atmospheric Sciences, IIT Delhi, from 26-28 November, 2018.
13. Boreddy, S. K. R., Aswini, A. R., Hegde, P. Determination of carbonaceous, water-soluble species and trace metals in aerosols collected at Bharati station over the East Antarctic: role of ice-free oases and local meteorology. Proceedings of the National Conference on Polar Sciences (NCPS), at Goa, 2019.
14. Prashant Hegde, Praveen, A., Aswini, A. R., Sebastian, A., and Nair, P. R., Characterisation of metal species in the PM2.5 samples collected from short duration roadside monitoring held at Kottayam during February 8-10, 2018, The Indian Society of Analytical Scientists, Kerala Chapter conference proceedings, vol. 73, 91-92 (2018).
15. Aswini, A. R., Resmi, E. A., Sumesh, R. K. (2024) Characterization of Boundary Layer Height over a high-altitude site in Western Ghats using a Ceilometer and Microwave Radiometer. Proceedings 04-21, 36th KERALA SCIENCE CONGRESS (KSC) at Kasargod during February 8-11, 2024.

Popular Articles:

• Published a Malayalam article, “അന്തരീക്ഷ എയറോസോളുകൾ: കാലാവസ്ഥാ പ്രത്യാഘാതങ്ങളും ആരോഗ്യപ്രശ്നങ്ങളും” in the centenary souvenir of Sree Narayana Vilasam Sanskrit High School – Kollam in 2023.

Projects (External Funded) :

• Title: Impact of long-range transported mineral dust and biomass emission on the sensitive ecosystem of Western Ghats: insights from molecular markers, elemental composition, and morphology of aerosols Year of Completion: 2025 (ongoing). Funding agency: The Kerala State Higher Education Council (KSHEC).

Invited Talks:

1. Talk on " Atmospheric aerosols: effects on air quality and climate", as part of International Space Week Celebrations organized by Post graduate Department of Physics Bharata Mata College, Thrikkakara, October 2021.

Membership in Professional Bodies:

1. Member, Indian Society of Analytical Scientists-Kerala Chapter
2. Life member, Indian Space Scientists’ Association (ISSA)

ORCID:

• https://orcid.org/0000-0002-9324-3890

Vidwanid:

• 549873