# Tropical Climate Lab, CAOS, IISc

**Source**: https://caos.iisc.ac.in/faculty/arch/arch_lab.html
**Parent**: https://caos.iisc.ac.in/arch/

## Tropical Climate Lab

**[TCL Homepage](http://caos.iisc.ac.in/faculty/arch/)**

##### **Current Lab Members**

- **Thanangka Chutia**\
  (Along with Prof GS Bhat)\
  Affiliation: PhD Student\
  PMRF Fellow\
  Thesis Topic: Planetary Boundary Layer and Diurnal Cycle
- **Sujatra Bhattacharyya**\
  Affiliation: PhD Student\
  PMRF Fellow\
  Thesis Topic: Monsoon Energetics
- **Abhishek Bordoloi**\
  Affiliation: PhD Student (Co-advisor)\
- **Samudrajit Boruah**\
  PMRF Fellow\
  Affiliation: PhD Student (Co-advisor)\
- **Janani SR**\
  Affiliation: PhD Student (Co-advisor)\
- **Raviraj Shinde**\
  Divecha Center for Climate Change\
  Affiliation: PhD Student\

##### **Lab Alumni**

- [**Shikhar Srivastava**](https://sites.google.com/view/shikhar22/home?authuser=0) \
  Affiliation: PhD Student\
  PMRF Fellow\
  Thesis Topic: Decadal Variability of Monsoon and Teleconnection
- **[Dr Rohit Chakraborty](http://dccc.iisc.ac.in/rc.html)** \
  Affiliation: DST INSPIRE Faculty at the Divecha Centre for Climate Change. \
  Previously: Raman PostDoctoral Fellow at the Centre for Atmospheric and Oceanic Sciences
- **Jerry B Samuel**\
  Affiliation: PhD Student\
  Thesis Topic: Land-atmosphere Interaction
- **Priyanshi Singhai**\
  Affiliation: PhD Student\
  Thesis Topic: Seasonal Prediction and Teleconnection\
  Previous Degree from IISc: M.Tech.
- [**Dr. Chetankumar Jalihal**](http://caos.iisc.ac.in/faculty/arch/arch_lab_chetan.html) [PhD]
- [**Dr. Akshaya C Nikumbh**](http://caos.iisc.ac.in/faculty/arch/arch_lab_nikumbh.html) [PhD]
- **Dr. Surajit Das** [MSc (Engg), PhD]

  (Along with Prof Debasis Sengupta)

  Thesis Topic: Tropical intraseasonal oscillations in idealized framework

  Publications:

  - Das, S., D. Sengupta, and Arindam Chakraborty, 2019: [The Madden‐Julian oscillation in an aquaplanet‐like general circulation model with and without continents.](https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018MS001455) Journal of Advances in Modeling Earth Systems, 11, 1459–1476. <https://doi.org/10.1029/2018MS001455>
  - Das S, D Sengupta, Arindam Chakraborty, J Sukhatme, R Murtugudde, 2016: [Low-frequency intraseasonal variability in a zonally symmetric aquaplanet model](https://link.springer.com/article/10.1007/s00703-016-0448-y). Meteorology and Atmospheric Physics. 2016 Dec 1;128(6):697-713.
- **Dr. Gaurav Srivastava** [PhD, PostDoctoral Fellow]

  (Along with Prof RS Nanjundiah)

  Publications:

  - Srivastava, G., Arindam Chakraborty, Ravi S. Nanjundiah, 2020: Multidecadal variations in ENSO-Indian summer monsoon relationship at sub-seasonal timescales, *Theoretical and Applied Climatology*, doi:
  - Srivastava, G, Arindam Chakraborty, and R.S. Nanjundiah, 2019: [Multidecadal see-saw of the impact of ENSO on Indian and West African summer monsoon rainfall.](https://link.springer.com/article/10.1007/s00382-018-4535-2) Climate Dynamics 52.11, 6633-6649. [[Bibtex Citation](http://caos.iisc.ac.in/faculty/arch/paper/ref_cd19.bib)]
- **Dr. Deepesh K Jain** [MTech, PhD]

  (Along with Prof RS Nanjundiah)

  Publications:

  - Jain, D., Arindam Chakraborty, and R.S. Nanjundaiah, 2018: [A Mechanism for the Southward Propagation of Mesoscale Convective Systems Over the Bay of Bengal.](https://agupubs.onlinelibrary.wiley.com/doi/10.1002/2017JD027470) Journal of Geophysical Research (Atmospheres), 123, 3893-3913, doi:10.1002/2017JD027470.
  - Jain, D. K., Arindam Chakraborty, and R S Nanjundiah, 2013: [Role of the cloud adjustment time scale in simulation of the interannual variability of Indian summer monsoon](https://link.springer.com/article/10.1007/s00703-013-0282-4), Meteorology and Atmospheric Physics, 122:159-173. [[PDF](http://caos.iisc.ac.in/faculty/arch/paper/full_map13.pdf)]
  - Jain, D. K., Arindam Chakraborty, and R S Nanjundiah, 2012: [On the role of cloud adjustment time scale in simulating precipitation with Relaxed Arakawa?~@~SSchubert convection scheme](https://link.springer.com/article/10.1007/s00703-011-0170-8), Meteorology and Atmospheric Physics, 115, 1-13. [[PDF](http://caos.iisc.ac.in/faculty/arch/paper/full_map12.pdf)]
- **Dr. PV Arushi** [PhD]

  (Along with Prof RS Nanjundiah)

  Publications:

  - Arushi, PV, Arindam Chakraborty, and RS Nanjundiah 2020: [Recent Weakening in MJO Related Convective Activity over the Equatorial Indian Ocean and Maritime Continent](https://link.springer.com/article/10.1007/s00704-020-03423-w), *Theoretical and Applied Climatology*, DOI: [10.1007/s00704-020-03423-w.](https://doi.org/10.1007/s00704-020-03423-w)
  - Arushi PV, Arindam Chakraborty, and R.S. Nanjundiah, 2017: [Orographic control of the Bay of Bengal cold pool rainfall](https://www.ias.ac.in/article/fulltext/jess/126/08/0111). Journal of Earth System Science, 126, 111, doi:10.1007/s12040-017-0892-1.
- **Dr. Shubhi Agrawal** [PhD]

  Publications:

  - Agrawal, S., and Arindam Chakraborty, 2020: [Evaluation of ESACCI satellite soil moisture product using in-situ observations over India](https://link.springer.com/article/10.1007/s12040-020-01384-2), *Journal of Earth System Science*, [doi: https://doi.org/10.1007/s12040-020-01384-2](https://doi.org/10.1007/s12040-020-01384-2)
  - Agrawal, S., Arindam Chakraborty, N. Karmakar, Simon Moulds, Ana Mijic and Wouter Buytaert, 2019: [Effects of winter and summer-time irrigation over Gangetic Plain on the mean and intra-seasonal variability of Indian summer monsoon](https://link.springer.com/article/10.1007/s00382-019-04691-7), *Climate Dynamics*, 53: 3147. <https://doi.org/10.1007/s00382-019-04691-7>
  - Chakraborty, Arindam, and S. Agrawal, 2017:[Role of west Asian surface pressure in summer monsoon onset over central India.](http://iopscience.iop.org/article/10.1088/1748-9326/aa76ca) Environmental Research Letters, 12, 074002.
  - Agrawal, S., and Arindam Chakraborty, 2016: [Role of surface hydrology in determining the seasonal cycle of Indian summer monsoon in a general circulation model.](https://www.hydrol-earth-syst-sci-discuss.net/hess-2016-591/hess-2016-591.pdf) Hydrology Earth Syst Sci Discuss, 1-33, doi:10.5194/hess-2016-591 [[PDF](https://www.hydrol-earth-syst-sci-discuss.net/hess-2016-591/hess-2016-591.pdf)]
- **[Dr. Nirupam Karmakar](http://caos.iisc.ac.in/faculty/arch/arch_lab_karmakar.html)** [PhD]
- **Dr. Anwesa Bhattacharya** [PhD]

  (Along with Prof V Venugopal)

  Publications:

  - Bhattacharya, A, Arindam Chakraborty, and V. Venugopal, 2017: [Role of aerosols in modulating cloud properties during active-break cycle of Indian summer monsoon](https://link.springer.com/article/10.1007/s00382-016-3437-4). Climate Dynamics, 49(5-6), 2131-2145.
  - Bhattacharya, A., Arindam Chakraborty and V Venugopal, 2014: [Variability of cloud liquid water and ice over South Asia from TMI estimates](https://link.springer.com/article/10.1007/s00382-013-1978-3), Climate Dynamics, DOI 10.1007/s00382-013-1978-3. [[PDF](http://caos.iisc.ac.in/faculty/arch/paper/full_cd14.pdf)]
\
- **Suryadev Pratap Singh** [MTech]
- **Gautam K Suman** [Undergraduate Program]
- **Farhan Jamil** [MTech]
- **Rohit Ghosh** [MSc (Engg)]

  (Along with Prof RS Nanjundiah)

  Publications:

  - Ghosh, R., Arindam Chakraborty, and R.S. Nanjundiah, 2018: [Relative role of pre-monsoon conditions and intraseasonal oscillations in determining early-vs-late Indian monsoon intensity in a GCM.](https://link.springer.com/article/10.1007/s00704-016-1970-z) Theoretical and Applied Climatology, 131, 319-333, doi:10.1007/s00704-016-1970-z.
- **Prabhat K Thakur** [MTech]

  (Along with Prof RS Nanjundiah)
- [**Dr. Bohar Singh**](https://iri.columbia.edu/contact/staff-directory/bohar-singh/) [MTech]