Green house gases (GHG) concentration variations over Indian region by in situ measurements
A land-based GHG monitoring station is set-up at Sinhagad (SNG) Pune, situated over a
mountainous terrain of a south-western peninsular region of Indian subcontinent. The
air-samples collected from this site are analyzed by using Gas Chromatograph instrument
established at the IITM Pune. This set-up of Gas Chromatograph strictly follows the World
Meteorological Organization (WMO) protocols and standard gases for the calibration taken
from NOAA/GMD Boulder, Colorado USA.
This CCCR team was also involved in aircraft based GHG’s observations over India
during the year 2014, and 2015. In-situ GHGs monitoring instrument was used on the aircraft
platform , which successfully monitored atmospheric CO2, CH4, CO, H2O concentrations vertical
and horizontal profiles over the Ganga basin (in 2014), and over Maharashtra and Arabian Sea (in 2015).