Did Chicxulub Impact Trigger Global, Lethal Algal Bloom?

Did Chicxulub Impact Trigger Global, Lethal Algal Bloom?

Dino-Killing Asteroid Impact Triggered Lethal Algal Bloom
by Laura Geggel, Live Science, December 14, 2015
http://www.livescience.com/53075-asteroid-marine-extinction.html

Dinosaur-killing asteroid may have caused global algal
bloom, marine extinction Posted by Lillian Steenblik
Hwang, AGU Blogosphere, Dcemebr 4, 2015
http://blogs.agu.org/geospace/2015/12/04/11769/

The paper is:

Parkos, D., A. Alexeenko, M. Kulakhmetov, B. C. Johnson,
H. J. Melosh, 2015, NOx production and rainout from
Chicxulub impact ejecta reentry. First published:
12 December 2015, DOI: 10.1002/2015JE004857
http://onlinelibrary.wiley.com/doi/10.1002/2015JE004857/full

Yours,

Paul H.