2022-2023
2021
Alok Sagar Gautam, Sanjeev Kumar, Sneha Gautam, Aryan Anand, Ranjit Kumar, Abhishek Joshi, Kuldeep Bauddh, Karan Singh, Pandemic induced lockdown as a boon to the Environment: trends in air pollution concentration across India, Asia-Pacific Journal of Atmospheric Sciences, https://doi.org/10.1007/s13143-021-00232-7.
Balram Ambade, Tapan Kumar Sankar, Amit Kumar, Alok Sagar Gautam, Sneha Gautam COVID‑19 lockdowns reduce the Black carbon and polycyclic aromatic hydrocarbons of the Asian atmosphere: source apportionment and health hazard evaluation, , Environment, Development and Sustainability, https://doi.org/10.1007/s10668-020-01167-1.
Pargin Bangotra, Manish Sharma, Rohit Mehra, Rajan Jakhu, Atar Singh, Alok Sagar Gautam, Sneha Gautam A systematic study of uranium retention in human organs and quantification of radiological and chemical doses from uranium ingestion, , PII: S2352-1864(21)00008-0
DOI: https://doi.org/10.1016/j.eti.2021.101360.
Devendra Singh, Alok Sagar Gautam, Pavan Kumar, Anil Kumar Nautiyal Pushpendra Study on gender and age differences in covid-19 patients: risk factors for severe disease and death, , Aut Aut, 50601, 10.0001865.aut aut.2020.v11i12.463782.00, 373-380.
Alok Sagar Gautam, R S Negi, Sanjeev Kumar, Don Bishwas, Santosh Rawat The Seasonal and Morphological Analysis of Airborne PM10 and PM2.5 in Srinagar Garhwal (Himalaya Region), India, , Indian Journal of Environmental Protection, 40 (11), 1154-1163.
2020
A.S.Panicker, K.Sandeep, A.S.Gautam, H.K.Trimbake, H.C.Nainwal, G.Beig, D.S.Bisht, S.Das Black carbon over a central Himalayan Glacier (Satopanth): Pathways and Direct Radiative impacts, Science of Total environment, https://doi.org/10.1016/j.scitotenv.2020.144242
Alok Sagar Gautam, S.N.Tripathi, Abhishek Joshi, Anil Kumar Mandariya, Karan Singh, Gaurav Mishra, Sanjeev Kumar, R.C.Ramola, First surface measurement of variation of Cloud Condensation Nuclei (CCN) concentration over the Pristine Himalayan region of Garhwal, Uttarakhand, India, Atmospheric Environment, 246, 118123 https://doi.org/10.1016/j.atmosenv.2020.118123 (Impact Factor - 4.6).
Alok Sagar Gautam, Dilwaliya, N.K., Srivastava, A. et al. Temporary reduction in air pollution due to anthropogenic activity switch-off during COVID-19 lockdown in northern parts of India. Environ Dev Sustain (2020). https://doi.org/10.1007/s10668-020-00994-6 (Impact Factor -2.6).
Alok Sagar Gautam, R S Negi, Sanjeev Kumar, Santosh Rawat, Don Bishwas, The Seasonal and Morphological Analysis of Airborne PM10 and PM2.5 in Srinagar Garhwal (Himalaya Region), India, Indian Journal of Environmental Protection, 40, 11, 1154-1163.
Srivastava, S., Kumar, A., Bauddh, K., Gautam, A. S., & Kumar, S. (2020). 21-Day Lockdown in India Dramatically Reduced Air Pollution Indices in Lucknow and New Delhi, India. Bulletin of Environmental Contamination and Toxicology, 0123456789. https://doi.org/10.1007/s00128-020-02895-w. (Impact Factor-2.4).
Gautam, A.S., Joshi, A., Kumar, S., Singh, K., 2020. Short-term Impact of Weather Parameters on COVID-19 Cases in 25 States and Union Territories of India, International Journal on Emerging Technologies (Scopus Index), 11, 1–7.
Gautam Alok Sagar, Abhishek Joshi, Sanjeev Kumar, Mahesh Shinde, Karan Singh, Annpurna Nautiyal, variation of atmospheric parameters and dependent nature of covid-19 pandemic in india during the lockdown period. Journal of Critical Reviews (Scopus Index). 2020, 7(19), 2445-2453. DOI: 10.31838/jcr.07.19.297.
Patni, B., Thapliyal, J., Gautam, A.S., 2020. Elucidating The Effect Of Aerosol Particles On Plants, International Journal of Disaster Recovery and Business Continuity (Scopus Index), 11, 3054–3074.
Dumka, U. C., Gautam, A. S., Tiwari, S., Mahar, D. S., Attri, S. D., Chakrabarty, R. K., Permita, P., Hopke, P. K., & Hooda, R. (2020). Evaluation of urban ozone in the Brahmaputra River Valley. Atmospheric Pollution Research, 11(3). https://doi.org/10.1016/j.apr.2019.12.013.
Kumar, S., Singh, K., Joshi, A., Gairola, N., Gautam, A.S., Patni, B., Panwar, M.S., 2020. A review of studies on coronavirus ( covid-19 ) and its transmission, Journal of Science and Technological Research 2, 1–4.
Impact Assessment of Covid-19 Outbreak on Higher Education in India, Devendra Singh, Alok Sagar Gautam Babita Patni and Anil Kumar Nautiyal, International Journal of Management, 11 (09), 429-434.
2019
Panicker, A. S., Sandeep, K., Gautam, A. S., Gandhi, N., Beig, G., Nainwal, H. C., Rao, P. S. P., Safai, P. D., Das, S., & Waghmare, V. (2019). Chemical composition and isotopic signatures of ice and snow over a Himalayan Glacier (Satopanth) in India. SN Applied Sciences, 1(10). https://doi.org/10.1007/s42452-019-0966-6.
Panicker, A. S., Sandeep, K., Negi, R. S., Gautam, A. S., Bisht, D. S., Beig, G., Murthy, B. S., Latha, R., Singh, S., & Das, S. (2019). Estimates of Carbonaceous Aerosol Radiative Forcing over a Semiurban Environment in Garhwal Himalayas. Pure and Applied Geophysics, 176(11). https://doi.org/10.1007/s00024-019-02248-7.
Sandeep, K., Negi, R. S., Panicker, A. S., Gautam, A. S., Bhist, D. S., Beig, G., Murthy, B. S., Latha, R., Singh, S., & Das, S. (2019). Characteristics and Variability of Carbonaceous Aerosols over a Semi Urban Location in Garhwal Himalayas. Asia-Pacific Journal of Atmospheric Sciences. https://doi.org/10.1007/s13143-019-00158-1.
Yadav, G., Deep, A., Gautam, A. S., Komsaare, K., Purohit, K. D., & Kala, S., A Comparative Study of Atmospheric Profiles over Central Himalayan Region by using Ground-Based Measurements and Radiosonde Observations. WSN 128 (2) (2019) 110-129.
Roopesh Kumar and Alok Sagar Gautam (2019). Impact Assessment of Science and Technology over Hilly Rural Areas. Analisation, R. A. 2, 371–373.
2018
Chauhan, J. S., Gautam, A. S., & Negi, R. S. 2018. Natural and anthropogenic impacts on forest
structure: A case study of Uttarakhand state. Open Ecology Journal, 11(1).
https://doi.org/10.2174/1874213001811010038.
Gautam, A. S., Negi, R. S., Singh, S., Srivastava, A. K., Tiwari, S., & Bisht, D. S. (2018). Chemical Characteristics of Atmospheric Aerosol at Alaknanda Valley (Srinagar) in the Central Himalaya Region, India. International Journal of Environmental Research, 12(5). https://doi.org/10.1007/s41742-018-0125-8.
Negi, R. S., Gautam, A. S., & Singh, S. (2018). Temperature and Rainfall Trend in Alaknanda Valley Srinagar Garhwal, Uttarakhand, India. WSN 108 (2018) 207-214.
Siingh, D., Gautam, A. S., Buchunde, P., & Kamra, A. K. (2018). Classification of the new particle formation events observed at a tropical site, Pune, India. Atmospheric Environment, 190. https://doi.org/10.1016/j.atmosenv.2018.07.025.
Singh, S., Negi, R. S., & Gautam, A. S. (2018). Study of maximum and minimum temperatures trends at Srinagar Garhwal Valley, Uttarakhand India. ~ 2307 ~ Journal of Pharmacognosy and Phytochemistry, 7(1).
2017
Gautam, A. S., Siingh, D., & Kamra, A. K. (2017). Statistical analysis of the atmospheric ion concentrations and mobility distributions at a tropical station, Pune. Quarterly Journal of the Royal Meteorological Society, 143(706). https://doi.org/10.1002/qj.3071.
Tiwari, S., Dumka, U. C., Gautam, A. S., Kaskaoutis, D. G., Srivastava, A. K., Bisht, D. S., Chakrabarty, R. K., Sumlin, B. J., & Solmon, F. (2017). Assessment of PM 2.5 and PM10 over Guwahati in Brahmaputra River Valley: Temporal evolution, source apportionment and meteorological dependence. Atmospheric Pollution Research, 8(1). https://doi.org/10.1016/j.apr.2016.07.008.
Alok Sagar Gautam, 2017, Ionization Rate Calculations from ion and radon measurements, Journal of Science and Technological Research, 1 (1), 2456-7701.
2016
Kamra, A. K., Siingh, D., Gautam, A. S., Kanawade, V. P., Tripathi, S. N., & Srivastava, A. K. (2016). Erratum to “Atmospheric ions and new particle formation events at a tropical location, Pune, India”. Quarterly Journal of the Royal Meteorological Society, 142(696). https://doi.org/10.1002/qj.2789.
2015
Kamra, A. K., Gautam, A. S., & Siingh, D. (2015). Charged nanoparticles produced by splashing of raindrops. Journal of Geophysical Research, 120(13), 6669–6681. https://doi.org/10.1002/2015JD023320.
Kamra, A. K., Siingh, D., Gautam, A. S., Kanawade, V. P., Tripathi, S. N., & Srivastava, A. K. (2015). Atmospheric ions and new particle formation events at a tropical location, Pune, India. Quarterly Journal of the Royal Meteorological Society, 141(693). https://doi.org/10.1002/qj.2598.
2014
Kanawade, V. P., Tripathi, S. N., Siingh, D., Gautam, A. S., Srivastava, A. K., Kamra, A. K., Soni, V. K., & Sethi, V. (2014). Observations of new particle formation at two distinct Indian subcontinental urban locations. Atmospheric Environment, 96. https://doi.org/10.1016/j.atmosenv.2014.08.001.
Prakash, A., & Gautam, A. S. (2014). Fast and Scalable IP Address Lookup with Time Complexity of LogmLogm(n). Journal of Advances in Information Technology, 5(2). https://doi.org/10.4304/jait.5.2.58-64.
2013
Siingh, D., Gautam, A. S., Kamra, A. K., & Komsaare, K. (2013). Nucleation events for the formation of charged aerosol particles at a tropical station - Preliminary results. Atmospheric Research, 132–133. https://doi.org/10.1016/j.atmosres.2013.05.024.
2011
Siingh, D., Gopalakrishnan, V., Gautam, A. S., & Singh, R. P. (2011). Estimation of aerosol size distribution from ion mobility spectra using the KL model. International Journal of Remote Sensing, 32(21). https://doi.org/10.1080/01431161.2010.512945.
Siingh, D., Singh, R. P., Singh, A. K., Kulkarni, M. N., Gautam, A. S., & Singh, A. K. (2011). Solar Activity, Lightning and Climate. Surveys in Geophysics, 32(6). https://doi.org/10.1007/s10712-011-9127-.
(National/International)
1. Alok S Gautam and S C Bhatt, Monitoring of Atmospheric Electrical Parameters for prediction of heavy rainfall events, NHTEP-2015, February 19-20 2015, pp-11.
2. Alok S Gautam, Measurement ion and charged aerosol particle size distribution from Neutral air ion spectrometer, NHTEP-2015, February 19-20 2015, pp-46.
3. Amar Deep, K D Purohit, H Nandan, and Alok S Gautam, Study of some air quality parameters at Dehradoon city of Uttarakhand (India), NHTEP-2015, February 19-20 2015, pp-58.
4. Alok Sagar Gautam, R.S. Negi, H.C. Nainwal, Effect of Black Carbon Aerosol on Himalayan Glaciers and Climate Variability: A Review, 2014, National conference on Himalayan glaciology (NCHG-2014) 30-31 october, 2014 Shimla Himachal Pradesh, India pp-61-61.
5. Alok S Gautam, Rajiv Pandey and Kuldeep Baudhh, Study of Air Pollution and Global Electric Circuit (GEC) in the Environment, International Conference on Environmental Technology and Sustainable on aerosols, Development: Challenges and Remedies, February 21-23, 2014, BBAU, Lucknow. PP 143-144.
6. Alok S Gautam, “Study of Ion - Aerosol Interaction form the Ion Mobility Spectra and Aerosol Size Distribution and its Impact on Climate Change”, National Conference on Climate Change Social Vulnerability Assessment (19-20 Feb. 2014), Dept of Forestry and Natural Resources, HNBGU Srinagar. pp 68-68.
7. Alok S Gautam, Cloud Bursts: Genesis and Prediction, National Symposium on Eco-disasters in the Himalayas: Causes, Challenges, and Management, February 15-16, 2014, Department of Environmental Science, HNBGU Srinagar. PP 21-21.
8. Alok Sagar Gautam, Comparative study of Ionization Rate derived from NAIS and Radioactive Materials, 2013, National Conference on Recent Advances in Material Science, (NCRAMS-13), (October 26-27, 2013) pp-34-39.
9. Vijay P Kanwade, Sachida N Tripathi, Alok S Gautam, Devendraa Siingh, A.K.Kamra, Atul K Srivastava, 2012, Examination of new particle formation mechanisms in a tropical urban environment. IASTA-2012/SESSION-II/O-55 pp 192-193.
10. Alok S Gautam, V.Gopalakrishan , Devendraa Siingh, 2011, Study the Nucleation Events and Rain Induced Events of Atmospheric Air-Ions measured by NAIS at Pune (India), XIV International Conference on Atmospheric Electricity, August 08-12, 2011, Rio de Jenerio, Brazil (Proceedings of ICAE 2011) pp.
11. Devendraa Siingh, Alok S Gautam, A.K.Kamra, A Unique Ion Nucleation Event for the Formation of Charged Aerosol Particles: A Case Study, 2011, XIV International Conference on Atmospheric Electricity, August 08-12, 2011, Rio de Jenerio, Brazil (Proceedings of ICAE 2011) pp.
12. A.K.Kamra, Alok S Gautam, Devendraa Siingh, Nucleation Events for the Formation of Charged Aerosol Particles at a Tropical Station, 2011, XIV International Conference on Atmospheric Electricity, August 08-12, 2011, Rio de Jenerio, Brazil (Proceedings of ICAE 2011).
13. Alok S.Gautam, Dr. Sachin D Ghude, 2009, Signature of increasing surface temperature at Schimacher region of East Antarctica, National conference on Climate changes during the Quaternary: Special reference to polar regions and southern ocean at NCAOR Goa, 22-23 October 2009, pp-24.
14. Pawar S.D., Murugavel P., Gopalakrishnan V. and Gautam S Alok., Electric field changes and lightning characteristics in North Eastern Indian Thunderstorms, 2008, Seminar on Nor’westers and Tornadoes over the South Asian Association for Regional Cooperation (SAARC) Regions and their Forecasting Preparedness, SAARC Meteorological Research Centre (SMRC), Dhaka, Bangladesh, 20-21 August 2008.
15. Physics and technology of sensors, Alok S. Gautam., Dharamraj T. and Pawar S.D., 13th National seminar, March 3-5, 2008, University of Pune “NSPTS 13, P-44-1-2.
16. Devendraa siingh, Alok.S.Gautam, 2007, Global electrical circuit and climate, vol VII, 3-4, (Special issue on monsoon IMSP Vol. XII, 3-4, 8-9.
17. Alok.S. Gautam, Devendraa Siingh, 2008, Cosmic Rays and Electrical Properties of the Earth’s atmosphere :( An overview), bulletin of IMSP-Vol XIII 1 (2008), 24-28.
18. Alok S. Gautam, 2006, “To Design And Study Of Pulse Width Modulation, Pulse Position Modulation, Pulse Amplitude Modulation” Project Report of M.Sc. ( Specialization Electronics Group), Banaras Hindu University, Centre of Advanced Study Varanasi (2006).
Authors, Title of Book, Publisher, Year
1. Alok Sagar Gautam, Akash Kumar, R. C. Ramola, S. N. Tripathi, Sanjeev Kumar, Karan Singh, Anil Mandariya, Gaurav Mishra, CCN Variation in Different Events at High Altitude Western Himalaya Observatory: Preliminary Results, ANCIENT PUBLISHING HOUSE DELHI 2019
2. Alok Sagar Gautam, Karan Singh, S.N. Tripathi, R.C. Ramola, Anil Kumar Mandariya, Gaurav Mishra, Sanjeev Kumar, Akash Kumar, Study on Seasonal Variation of CCN Number Concentration at Western Himalayan Region Tehri Garhwal, Uttarakhand, India ANCIENT PUBLISHING HOUSE DELHI 2019.
3. Dr. Rupesh Tyagi, Dr. Alok, Sagar Gautam, Dr. Ramesh Kumar Sharma, D.r Manoj Yadav, Dr. V KGoel, Practical Physics Practical Physics, kedarnath Ramnath Publisher, MeerutKedarnath Ramnath Publisher Meerut, 2015.
4. Dr Alok Sagar Gautam, and Vinay Kumar, Indo-Gangetic Plain: A Region of Climate Change, Aerosol , loading and Ozone CPDHE Delhi CPDHE Delhi Shivalik Prakashan Shakti Nagar Delhi, 2017.
5. Dr Naveen Prakash, Nautiyal, Dr J P Bhatt & Dr Alok Sagar Gautam, Science and Technology: A Tool of Development Science and Technology Dr S P Singh Utkarsh/Nikhil, Publisher & Distributors Shahganj, Agra, 2016.
6. Alok Sagar Gautam, R S Negi, Santosh Singh, Mayank Joshi Statistical Analysis of Meteorological parameters for three hours interval over Alaknanda Valley Garhwal Himalaya Uttarakhand JRF Publications Dr Priyadarshi Agnihotri JRF International Book Publication Madhya Pradesh India 2018.
7. R S Negi and Alok S Gautam Significant effect of meteorological parameters in Alaknanda Valley at Srinagar, Garhwal Himalaya Uttarakhand Experimental Physics, Govt. PG College, Gopeshwar Chamoli “New Horizons in Theoretical and Experimental Physics” ISBN: 9789352542505, 2017.
8. Vijay P Kanwade, S.N.Tripathi, DevendraaSiingh, A.S.Gautam, Contribution of Ion Nucleation to New Particle Formation in a Tropical Urban Environment AGU AGU American Geophysical Union Fall Meeting 2012,A53K-0299.
9. Vijay P Kanwade, Sachida N Tripathi, Alok S Gautam, Devendraa Siingh, A.K.Kamra, Atul K Srivastava Examination of new particle formation mechanisms in a tropical urban environment IASTA IASTA Indian Aerosol Science and Technology Association (IASTA), 2012/SESSION-II/O-55, 2012.
10. Alok S Gautam, S C, Bhatt, Monitoring of Atmospheric Electrical Parameters for prediction of Heavy rain fall events New Horizons in Theoretical and Experimental Physics, 2015 9789352542505 6, National Conference on Recent Advances in Material Science, (NCRAMS-13), Department of Physics, Govt PG College, Gopeshwar Chamoli, 2015.
11. Alok Sagar Gautam, Measurements ions and charged aerosol particle size distribution from Neutral Air Ion Spectrometer (NAIS) New Horizons in Theoretical and Experimental Physics 2015 9789352542505 6, National Conference on Recent Advances in Material Science, (NCRAMS-13), Department of Physics, Govt PG College, Gopeshwar Chamoli, 2015.
12. Alok.S. Gautam , Devendraa Siingh, Cosmic Rays and Electrical Properties of the Earth’s atmosphere :( An overview), bulletin of IMSP-Vol XIII 1 (2008), 2008 VIII 4 bulletin of IMSP-Vol XIII 1, (2008), IMSP Pune 2008.
13. Devendraa siingh , Alok.S.Gautam, Global electrical circuit and climate vol VII , 3-4, (Special issue on monsoon IMSP Vol. XII, 3-4, 8-9 2007 VII 4 (Special issue on monsoon IMSP IMSP Pune 2007.