IITM (Branch), New Delhi

• To characterize space-time variations in aerosols over northern India, originating from a complex mixture of anthropogenic pollutants and mineral dust, using ground-based in-situ and remote sensing techniques along with the modeling tools.
• To study aerosol and cloud microphysics in the focus of Aerosol-Cloud-Climate interactions.
• To estimate atmospheric aerosol forcing during different sky conditions in the perspective to understand their implications for the environment on regional and global scales.
• To estimate the carrying capacity of the region from air quality vis-à-vis the emissions.

• Facilities available
  

•  Staff working

     Facilities available:

• OC/EC analyzer for organic and elemental carbon measurements
• Pyrenomter for direct short-wave solar flux measurement
• Ceilometer for cloud microphysics characterization along with the measurements of cloud top and bottom height (cloud thickness)
• Optical Particle Counter (OPC) for aerosol number and mass size distributions
• High Volume Sampler (HVS) for total suspended particulate matters (TSPM)
• PM₁₀ aerosol sampler for the mass of particulate matters of size <10 µm
• PM_2.5 aerosol sampler for the mass of particulate matters of size <2.5 µm                  
• Surface meteorology using Automatic Weather Station (AWS).
• Automatic rain collector

• Sun/sky radiometer for various columnar aerosol optical and radiative properties
• Mini-LIDAR system for vertical profile of aerosols

• Optical Properties of Aerosol and Cloud (OPAC) model, developed by Hess et al., [1998] is using for the estimation of crucial aerosol optical parameters under different environmental conditions, which are the key responsible for forcing estimation.
• Santa Barbara DISORT Atmospheric Radiative Transfer (SBDART) model, developed by Ricchiazzi et al., [1998] is using for the estimation of atmospheric forcing in different sky conditions.

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    Staff working:

• Dr. Suresh Tiwari (Officer-In-Charge and Scientist C), smbtiwari@tropmet.res.in
• Dr. Atul Kumar Srivastava (Scientist B), atul@tropmet.res.in
• Mr. Diwan Singh Bisht (JSO), dsbisht@tropmet.res.in                                         

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