La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Diel biogeochemical cycling in a hyperventilating shallow estuarine environment
Auteurs :	N. G. Beck, Auteur ; K. W. Bruland, Auteur
Type de document :	Article
Dans :	Estuaries (23(2) APR 2000)
Article en page(s) :	177-187
Résumé :	A diel biogeochemical study was performed to assess the influence that periods of elevated biological activity have on the biogeochemical cycling of macronutrients and redox-sensitive elements in a natural estuarine environment. High-resolution data (15 min sampling) illustrates periodic extreme variations in dissolved oxygen (DO) in the shallow waters of Azevedo Pond, Elkhorn Slough, California. During periods of low tidal hushing, DO values can range from highly oxic (> 560 mu M O(2): > 250% saturation) during sunny days to suboxic conditions (

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