EDUCATION
Doctor of Philosophy
Major: Atmospheric Physics and Chemistry
Institute: Indian Institute of Technology (IIT) Kharagpur, Kharagpur, India
Thesis: Investigation of Atmospheric Ozone Evolution in Antarctica using Measurements and Statistical Learning
Graduation Year: 2022
Master of Technology
Major: Earth System Science & Technology
Institute: Indian Institute of Technology (IIT) Kharagpur, Kharagpur, India
Thesis: Accuracy of satellite total column ozone measurements in polar vortex conditions
Graduation Year: 2017
Bachelor of Engineering
Major: Mechanical Engineering
Institute: Birla Institute of Technology (BIT), Mesra, India
Thesis: Optimization of Wind Turbine Blades using CFD
Graduation Year: 2012
SKILLS
Data Analysis
- Bayesian Analysis and Parameter Estimation (MLE, MAP, MCMC)
- Time-series Modeling and Analysis (state space models, MLR, DLM)
- Machine Learning (MLP, CNN, RNN, AutoEncoder, Transformer, GAN)
- Trajectory Modeling and Analysis
- Causal Machine Learning
- Natural Language Processing
Programming Languages
- Python
- MATLAB
- Fortran
- JavaScript
Natural Languages
- Hindi (Native)
- English (Proficient)
- German (A1 level)
Libraries / Frameworks
- Statistical Learning: Pandas, Statsmodels, Scikit-learn, NLTK, Networkx, Tensorflow, Keras
- Visualization: Matplotlib, Seaborn, Arviz, Basemap, Cartopy, Folium
- RADAR Analysis: wradlib
- Geospatial Data Analysis: gdal, rasterio, xarray, geopandas, Google Earth Engine
- Parallel Programming: dask, joblib
Physical Modeling
- Trajectory Modeling: HySPLIT
- Atmospheric modeling: WRF, GEOS-Chem, ICON-ART
- Radiative Transfer Modeling: RRTMG
Other Computer related skills
- Version control with git
- Shell scripting in Linux
- Conversant with Markdown, HTML/CSS and LaTeX
- Experience of working on supercomputer
RESEARCH EXPERIENCE
Research Associate, Aerosol and Reactive Tracer Modelling, KIT Germany, 2022 - Present
- Developed MieAI, a neural network for emulating the calculation of optical properteis of mixed mode aerosols.
- Coupled ICON-ART modeling system with Machine Learning model for faster and better parameterization of aerosol optics.
- Developed mineral dust pre-processor for ICON modeling system.
- Authoring user-friendly post-processing library for ICON-ART in python.
Research Scholar, ATMOS Lab, IIT Kharagpur, 2017 - 2022
- Merged and bias-corrected long term data record of vertical profiles of rainfall, ozone and related trace gases using various correction techniques like quantile mapping and scaled distribution mapping.
- Analysed Polar vortex based stratospheric ozone for detection of ozone hole saturation using ground-based and satellite based measurements in Antarctic region.
- Developed Receptor models based on airmass trajectories generated with HySPLIT in python for air pollution source detection studies and clustered them using Hierarchical agglomerative clustering (HAC) and wavelet transform based K-Means clustering for transportation pathways analysis.
- Investigated Land Use Land Cover (LULC) change over North-East India using Google Earth Engine and Random Forest based classification.
- Performed Self-organising map (SOM) based clustering of tropospheric ozone profiles for Antarctic region and their long-term analysis using Multivariate Linear Regression (MLR) and Bayesian Dynamic Linear Model (DLM).
- Conducted Causal Effect Network (CEN) analysis of tropospheric ozone in Antarctica for determination of geophysical drivers responsible for observed variability.
- Developing a causal inference framework using attention based temporal convolution network (TCIF) for performing causal effect estimation.
- Carried out radiative transfer modeling using RRTMG for radiative forcing estimation.
- Simulated and analysed global atmospheric chemistry using GEOS-Chem at Pratyush, India's fastest supercomputer.
Research Assistant, ATMOS Lab, IIT Kharagpur, 2016 - 2017
- Compared long term total column ozone datasets from various ground based instruments with satellite based observations in Antarctic region.
- Estimated rainfall using preliminary data from Doppler Weather radar in Kolkata region using wradlib radar data analysis package in python.
- Investigated freezing of water droplet and subsequent transformation of its shape numerically using MATLAB.
Undergraduate Project, BIT Mesra, 2011 - 2012
- Carried out numerical investigation of natural convection in Bingham fluids within a square enclosure with differentially heated sidewalls using Fluent, a CFD package.
- Performed optimization of Wind Turbine Blades using Fluent in Ansys.
AWARDS/GRANTS
- Received full funding for attending European Geosciences Union (EGU) General Assembly held during 23–28 April 2017 in Vienna, Austria.