Research Affiliate, INSTAAR • Instructor, First Year Seminar Program • Adjunct Faculty, Indraprastha Institute of Information Technology (IIIT), New Delhi
Environmental Studies & Institute of Arctic and Alpine Research (INSTAAR)


Ph.D. Earth and Planetary Sciences, Harvard University
M.Sc. Applied Geosciences, Indian Institute of Technology
B.Sc. Geology, Presidency College


Reconstructing climate and environmental ariability in semi-arid environments of south Asia: Impacts of climate variability on human-environment systems over the past 1000 years in the context of semi-arid regions; climate history from archival records of the past 1000 years in India.

Marine geochemistry: corals as environmental archives of land use changes; ocean temperature and chemistry reconstructions using isotopic analysis in microfossils and well-preserved mega fossils.

Ancient accretionary zones in India using SIMS and Laser ablation dating of Zircons


South Asia/India 
Climate studies 
Environmental Studies


Bhattacharya, Abhijit., Haridas, H., Bell, E.A., Bhattacharya, A., Chatterjee, N., Dutta, A., and Saha, L. ‘Tectonic reconstruction of the Rengali Orogen (Eastern India): the Antarctic connection. In Press (Lithos, 2016)

Semazzi, F., Liu, B., Xie, L., Smith, K., Angus, M., Gudoshava, M., Argent, R., Sun, X., Liess, S., and Bhattacharya, A. ‘Decadal variability of Eastern African Monsoon’. CLIVAR Exchanges Special Issue on Monsoons: Advancing understanding of monsoon variability and improving predictions’. Guest-editors: Paul Dirmeyer and Andy Turner. (2015)

Mahowald, N. M., Kloster, S., Engelstaedter, S., Moore, J. K., Mukhopadhyay, S., McConnell, J. R., Albani, S., Doney, S. C., Bhattacharya, A., Curran, M. A. J., Flanner, M. G., Hoffman, F. M., Lawrence, D. M., Lindsay, K., Mayewski, P. A., Neff, L., Rothenberg, D., Thomas, E., Thornton, P. E., Zender, C. S. ‘Observed 20th century desert dust variability: impact on climate and biogeochemistry’ (2010), Atmospheric chemistry and Physics, Vol. 10, 22, 10875-10893 Doi: 10.5194/acp-10-10875-2010

Bhattacharya, A. and Mukhopadhyay, S. ‘A high resolution record of 18th-20th century dust emission rates from the Sahara-Sahel region of Africa’ (2009), Geochimica et Cosmochimica Acta, Vol. 73, 13, A118-A118

Mukhopadhyay, S. and Bhattacharya, A. ‘Dust Emission from the Sahara-Sahel region over the past 150 years’ (2009), Geochimica et Cosmochimica Acta, Vol. 72, 12, A661-A661