In 1972, she majored in phonetics from the University of Copenhagen and was assistant professor there from 1972 to 1976 and then associate professor (from 1993 with special qualifications) until 2008 where she retired. She received the equivalent of a PhD in 1981,[1] and the dr.phil degree in 1992 on the basis of her Groundworks of Danish intonation[9]
Grønnum, Nina; Rischel, Jørgen, eds. (2001), To Honour Eli Fischer-Jørgensen: festschrift on the occasion of her 90th birthday, February 11th, 2001, Travaux du Cercle Linguistique de Copenhague, Copenhagen: C. A. Reitzel, ISBN8778762138
Grønnum, Nina (1998b), "Intonation in Danish", in Hirst, Daniel; Cristo, Albert Di (eds.), Intonation Systems, Cambridge: Cambridge University Press, pp. 131–151, ISBN9780521395137
^"Nina Grønnum - Ansatte". Institut for Nordiske Studier og Sprogvidenskab (NorS). 8 August 2007. Retrieved 17 March 2018.
^Basbøll, Hans (2005). The phonology of Danish. Oxford: Oxford University Press. p. 530. ISBN9780198242680.
^Riegels, Naja. "Nina Grønnum". Den Store Danske (in Danish). lex.dk. Retrieved 6 January 2022.
^Grønnum, Nina. "Publications". Det Humanistiske Fakultet, Københavns Universitet. Retrieved 27 March 2020. Until the mid 1980s I published under my married name, Thorsen, and for a couple of years also as Grønnum Thorsen.
^"Nina Grønnum". www.royalacademy.dk. Royal Academy. Retrieved 6 January 2022.
^ abGrønnum, Nina. "Nina Grønnum". www.danpass.hum.ku.dk. Retrieved 26 March 2022.