Articles | Volume 15, issue 24
Research article
14 Dec 2018
Research article |  | 14 Dec 2018

Modelling the biogeochemical effects of heterotrophic and autotrophic N2 fixation in the Gulf of Aqaba (Israel), Red Sea

Angela M. Kuhn, Katja Fennel, and Ilana Berman-Frank

Data sets

Meteorological data and Ecological and oceanographic data Israel National Monitoring Program (NMP)

GOTM sourcecode and test case documentation Version 4.0 L. Umlauf, H. Burchard and K. Bolding

Short summary
Recent studies demonstrate that marine N2 fixation can be carried out without light. However, direct measurements of N2 fixation in dark environments are relatively scarce. This study uses a model that represents biogeochemical cycles at a deep-ocean location in the Gulf of Aqaba (Red Sea). Different model versions are used to test assumptions about N2 fixers. Relaxing light limitation for marine N2 fixers improved the similarity between model results and observations of deep nitrate and oxygen.
Final-revised paper