{"refrec":{"BRefID":217477,"RR":"<b>Hofmann, A.F.; Meysman, F.J.R.; Soetaert, K.; Middelburg, J.J.</b> (2009). Factors governing the pH in a heterotrophic, turbid, tidal estuary. <i>Biogeosci. Discuss. 6</i>: 197-240. <a href=\"http://dx.doi.org/10.5194/bgd-6-197-2009\" target=\"_blank\">dx.doi.org/10.5194/bgd-6-197-2009</a>","BEntID":209223,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Biogeosci. Discuss. 6</i>: 197-240. <a href=\"https://dx.doi.org/10.5194/bgd-6-197-2009\" target=\"_blank\">https://dx.doi.org/10.5194/bgd-6-197-2009</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hofmann, A.F.; Meysman, F.J.R.; Soetaert, K.; Middelburg, J.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hofmann, A.F. <i>et al.</i>","Englishabstract":"</span> A method to quantify the influence of kinetically modeled biogeochemical processes on the pH of an ecosystem with time variable acid-base dissociation constants is presented and applied to the heterotrophic, turbid Scheldt estuary (SW Netherlands, N Belgium). Nitrification is identified as the main process governing the pH profile of this estuary, while CO<sub>2</sub> degassing and advective-dispersive transport \"buffer\" the effect of nitrification. CO<sub>2</sub> degassing accounts for the largest proton turnover per year in the whole estuary. There is a clear inverse correlation between oxygen turnover and proton turnover. The main driver of long-term changes in the mean estuarine pH from 2001 to 2004 is a changing freshwater flow which influences the pH \"directly\" via [?CO<sub>2</sub>] and [TA] and to a significant amount also \"indirectly\" via [?NH<sub>4</sub><sup>+</sup>] and the nitrification rates in the estuary.</span>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Factors governing the pH in a heterotrophic, turbid, tidal estuary","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2009,"MonPub":null,"DateUpdate":"2014-06-05","DateCreate":"2012-08-20","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1,"DOI":"10.5194/bgd-6-197-2009"},"refs":null,"anarec":{"AnaID":217477,"PubliDate":2009,"Pagination":"197-240","XtraPublOfAnaID":null,"ISBN":null,"Volume":"6","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":70207,"SerRR":"Biogeosciences Discussions. 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