Tabish Umar Ansari

3 Questions 5 Answers 0 Followers

Questions related from Tabish Umar Ansari

Do physical removal processes such as dry deposition also determine atmospheric lifetime of chemical species?

Atmospheric chemical species can "live" in the atmosphere from only a second to several years. Is this lifetime conventionally determined only from their chemical destruction/transformation...

01 July 2019 7,542 2 View

How do we distinguish between primary and secondary aerosols during measurements?

Secondary aerosols are becoming a huge concern during pollution episodes esp. in cities. They can make up to 50% by mass of the total aerosol loading at a given time. While it is clear that some...

26 July 2017 9,453 8 View

Are inorganic aerosols (SO4, NO3, NH4 etc) predominantly secondary?

SIA (secondary inorganic aerosols) like SO4, NO3, NH4 etc. have been found to contribute significantly to PM2.5 mass in urban areas. Is there a general rule that they are predominantly a result of...

07 March 2016 6,030 15 View