Keyvan Ranjbar

About

Keyvan Ranjbar is a leading atmospheric scientist whose research focuses on Arctic aerosol dynamics, climate forcing, and the impacts of biomass burning on polar environments. His most influential work establishes a comprehensive baseline for Arctic aerosol optical depth (AOD) during spring and summertime, integrating long-term ground observations, satellite retrievals, and multi-agency model reanalyses. In a landmark two-part study (2022, with 51 and 36 citations respectively), Ranjbar and colleagues produced the first robust climatology and trend analysis of Arctic AOD from 2003 to 2019, revealing critical insights into aerosol variability and the increasing influence of regional biomass burning events. His research demonstrates how extreme AOD episodes are linked to wildfire emissions, providing essential data for improving climate models and understanding Arctic amplification. By harmonizing diverse observational and reanalysis datasets, Ranjbar’s work has become a foundational reference for scientists studying aerosol–climate interactions in the rapidly changing Arctic. His contributions are vital for predicting future atmospheric composition shifts and their implications for global climate systems.

Research Focus

Key Achievements

Top Papers

1. 1
   Arctic spring and summertime aerosol optical depth baseline from long-term observations and model reanalyses – Part 1: Climatology and trend

   51 citations · 2022
2. 2
   Arctic spring and summertime aerosol optical depth baseline from long-term observations and model reanalyses – Part 2: Statistics of extreme AOD events, and implications for the impact of regional biomass burning processes

   36 citations · 2022
3. 3
   Arctic spring and summertime aerosol optical depth baseline from long-term observations and model reanalyses, with implications for the impact of regional biomass burning processes

   3 citations · 2021

Key Collaborators

Contact & Links