Hydrogen production by diazotrophs: a novel approach for high frequency measurements of nitrogen fixation

Mathieu Caffin1, Samuel T Wilson1, Angelicque E White2 and David M Karl1, (1)Daniel K. Inouye Center for Microbial Oceanography: Research and Education, University of Hawaii at Manoa, Honolulu, HI, United States, (2)University of Hawaii, Department of Oceanography, Honolulu, HI, United States