Comment on “Legacy nitrogen may prevent achievement of water quality goals in the Gulf of Mexico”
Author(s) -
Tristan Ballard,
A. M. Michalak,
Gregory F. McIsaac,
Nancy N. Rabalais,
R. Eugene Turner
Publication year - 2019
Publication title -
science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.556
H-Index - 1186
eISSN - 1095-9203
pISSN - 0036-8075
DOI - 10.1126/science.aau8401
Subject(s) - nitrogen , environmental science , quality (philosophy) , water quality , chemistry , ecology , biology , philosophy , organic chemistry , epistemology
Van Meteret al . (Reports, 27 April 2018, p. 427) warn that achieving nitrogen reduction goals in the Gulf of Mexico will take decades as a result of legacy nitrogen effects. We discuss limitations of the modeling approach and demonstrate that legacy effects ranging from a few years to decades are equally consistent with observations. The presented time scales for system recovery are therefore highly uncertain.
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