Significant changes in water pCO2 caused by turbulence from waterfalls.
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2017
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tInland waters are sites of intense carbon processing, stocking and transport. We examined the influenceof waterfall-turbulence on CO2partial pressures (pCO2) before and after waterfalls in a tropical river.The results indicated a 51.4% decrease of pCO2from up (1375 ± 320 ppm) to downriver (655 ± 58 ppm),suggesting an unaccounted degassing promoted by waterfall-turbulence. This process needs to be betterunderstood in order to more accurately determine the role of freshwater environments in the globalcarbon balance.
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Carbon dioxide, Outgassing, Waterfalls, Rivera
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LEIBOWITZ, Z. W. et al. Significant changes in water pCO2 caused by turbulence from waterfalls. Limnologica, Jena, v. 62, p. 1-4, 2017. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0075951116301517>. Acesso em: 25 ago. 2017.