Chetankumar Jalihal

                                                   

                                                            Contact details:
                                                            Email:          chetankumar.jalihal@mpimet.mpg.de
                                                            Phone:        +49 040 41173 181
                                                            Address:      Max Planck Institute for Meteorology,
                                                                                Bundesstrasse 53,
                                                                                20146 Hamburg, Germany
               

                                                            Follow me on:
                                                       ResearchGate, LinkedIn, Twitter

About me:
I am a postdoc in the ocean physics group working with Dr. Uwe Mikolajewicz. I have a keen
interest in understanding climates of the distant past. I obtained my Ph.D. from the Indian
Institute of Science, Bangalore, under the supervision of Prof. Arindam Chakraborty and
Prof. J. Srinivasan.


On-going research:
Currently, I am working on the millennial-scale oscillations of the Atlantic Meridional Overturning Circulation (AMOC) in the MPI-ESM. This work is being carried out under the PalMod project. The glacial climate is punctuated with abrupt changes in the AMOC. It takes about 1,500 yrs before the normal state is restored. These changes in AMOC are strongly associated with changes in Greenland temperature. These events in the Greenland ice-core temperature are referred to as the Dansgaard-Oeschger oscillations.

 

Doctoral research:
In my Ph.D. thesis, I used a simple monsoon model to quantify the role of various forcings and feedbacks on the South
Asian monsoon over the last 22,000 years. I have highlighted that different factors were dominant during different periods
- water vapor during the deglacial (~21,000 yrs ago to 11,000 yrs ago) and cloud feedback during the Holocene (11,000 yrs
ago to present) [Jalihal et al. 2019, Nat. Com]. Furthermore, I have demonstrated the land and ocean monsoons respond differently to orbital forcing and in a similar manner to greenhouse forcing [Jalihal et al. 2020, Sci. Rep].

 

Research interests

  • Dansgaard-Oeschger events
  • Glacial AMOC variability
  • Paleomonsoons

     

Publications

 

Peer-reviewed:

  • Jalihal, C., Srinivasan, J., Chakraborty, A. (2022), Response of the low-level jet to precession and its implications for proxies of the Indian monsoon, Geophysical Research Letters,49, e2021GL094760, doi:10.1029/2021GL094760
  • Pausata, F.S.R, Messori, G., Yun, J., Jalihal, C., Bollasina, M.A., and Marchitto, T. (2021), The remote response of the South Asian Monsoon to reduced dust emissions and Sahara greening during the middle Holocene, Climate of the Past, 17, 1243–1271, doi:10.5194/cp-17-1243-2021
  • Jalihal, C., Srinivasan, J., Chakraborty, A. (2020), Different precipitation response over land and ocean to orbital and greenhouse gas forcing, Scientific Reports, 10, 11891, doi:10.1038/s41598-020-68346-y
  • Jalihal, C., Srinivasan, J., Chakraborty, A. (2019), Modulation of the Indian monsoon by water vapor and cloud feedback over the past 22,000 years, Nature Communications, 10, 5701, doi:10.1038/s41467-019-13754-6
  • Jalihal, C., Bosmans, J. H. C., Srinivasan, J., Chakraborty, A. (2019), The response of tropical precipitation to Earth's precession: the role of energy fluxes and vertical stability, Climate of the Past, 15, 449-462, doi:10.5194/cp-15-449-2019

 

Non-peer reviewed:

  • Jalihal, C. (2022), Climate change and monsoons: a paleo perspective, Physics News, Vol. 52, No.1-2, January-June 2022, [Link]