Browsing Research Output by Author "Butler, Timothy M."

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    • Re-evaluating the NO2 hotspot over the South African Highveld 

      Lourens, Alexandra S.M.; Beukes, Johan P.; Van Zyl, Pieter G.; Pienaar, Jacobus J.; Butler, Timothy M. (ASSAf, 2012)
      Globally, numerous pollution hotspots have been identified using satellite-based instruments. One of these hotspots is the prominent NO2 hotspot over the South African Highveld. The tropospheric NO2 column density of ...