Atmospheric and Climate Sciences

Volume 9, Issue 1 (January 2019)

ISSN Print: 2160-0414   ISSN Online: 2160-0422

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An Empirical Model for Dinitrogen Gas Emission from Inland Waters

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DOI: 10.4236/acs.2019.91001    440 Downloads   727 Views  

ABSTRACT

The motivation to calculate this empirical model resulted from often observing—at the time disconcerting—excess dinitrogen gas (N2 concentration > background concentration) in bubble-gas emission samples, collected primarily for the purpose of carbon budget research, from Brazilian rivers and reservoirs sampled during roughly 100 field surveys lasting 4 days each on average and executed between years 2000 and 2012. We model the (serendipitously) measured dinitrogen gas above environmental concentration (N2aec) escaping in bubbles from Brazilian rivers as a function of dissolved nitrogen (N) in water. To this model, we mathematically add a pre-existing model of diffusively emitted denitrified dinitrogen (also as a function of dissolved N) from streams in the United States of America (USA). The resulting model predicts denitrified dinitrogen water-air emission from inland waters in the USA, China and Germany.

Cite this paper

Sikar, E. , dos Santos, M. and dos Santos, E. (2019) An Empirical Model for Dinitrogen Gas Emission from Inland Waters. Atmospheric and Climate Sciences, 9, 1-25. doi: 10.4236/acs.2019.91001.

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