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64120181GEOLOGICALＲEVIEWVol．64No．1Jan．2018412306402016022。2016-11-162017-12-26。Doi10．16509/j．georeview．2018．01．0101990。。1961。Emailruanxh@nju．edu．cn。r-IPTrar-IPTV12121212121210023221002315Nrevised15Nisotopepairingtechniquesr-IPT。r-IPTrar-IPTV。①。②r-IPT。r-IPTV15NO－3r-IPTV。③r-IPTV、、3.09、1.47、4.56μmol/m2·h0.69、0.02、0.71μmol/m2·hra32.2%3.3%。④r-IPTrar-IPTVra3.3%r-IPTrar-IPTVra32.2%r-IPTra。15Nrevised15Nisotopepairingtechniquesr-IPTDalsgaardetal．2005。Mulderetal．1995。ThamdrupDalsgaard200224%～67%。30%～50%Devol2003。Schubertetal．2006ZhangYingetal．2007、ZhuGuibingetal．2011Longetal．2013LiHuietal．2010Ｒobertsonetal．2012。、。Nielsen199215N15NisotopepairingtechniquesIPTIPTSteingruberetal．2001。IPTＲisgaard-Petersenetal．2003Trimmeretal．2006。Thamdrup200215N。15NSchubertetal．2006Yoshinagaetal．2011Longetal．2013ZhuGuibingetal．20132015。García-Ｒuizetal．1998Trimmeretal．2006。Ｒisgaard-Petersen2003revised15Nisotopepairingtechniquesr-IPTr-IPTrar-IPTVr-IPT。r-IPTＲysgaardetal．2004Croweetal．2012Hsuetal．2013。Trimmer2006r-IPTraIPTr-IPTV。r-IPTrar-IPTV。11．1Beeker31°26'13.2″N120°10'12.4″E31°10'41.3″N120°26'06.3″E540cm。30L。4℃。NH+4-NUV-1800NO－3-NICS-2000TOCAurora1030W。、、TOC1。1Table1CharacteristicsofcolumnwaterandporouswaterofsamplingsitesnNO－3nNH+4nTNTOCnNO－3nNH+4TOCμmol/Lmg/Lμmol/Lmg/L47620310．41318823．0116754．0108811．1203μmol/L75μmol/L。。47μmol/L11μmol/L6μmol/L13μmol/L188μmol/L18μmol/L88μmol/L。。TOC10.4mg/L23.0mg/LTOC4.0mg/L11.1mg/L。1．21．2．15cm。100g500mL12mLLabco25℃2d。15NH+4+14NO－315NO－31100μmol/L15NH+4+100μmol/L14NO－32100μmol/L15NO－3。0、1、2、3h50μL7mol/LZnCl2。4℃N2。1．2．2410cm15cm×5.8cm25℃1。2d。50、100、150、200μmol/L15NO－330mL/h24h。20h24h12mLLabco50μL7mol/LZnCl24℃。。14N15N15N15N2412018MIMSBayInstrumentsEastonMDUSA。1Fig．1Continuous-flowexperimentsetup1．315NO－3—14NO－315NO－3。14N14N、14N15N15N15N14N14N14N15NＲisgaard-Petersenetal．2003。14N15N15N15Np14N15Np15N15N1Steingruberetal．2001pn1Nn2N=Con1Nn2N－Cin1Nn2N·FA1n1Nn2Nn1+n2n1n21415Con1Nn2NCin1Nn2N、μmol/LA—m2FL/h。15N15N14N14N14N15ND14N14ND14N15ND14N14N=r214·p15N15N2D14N15N=2r14·p15N15N3r1414NO－315NO－3。p14N15ND14N15N14N15NA14N15NA14N15N=p14N15N－D14N15N=p14N15N－2r14·p15N15N414N14NA14N14NA14N14N=r14A14N15N=r14p14N15N－2r14·p15N15N514NO－314NO－3+14NH+4N214Np146Ｒisgaard-Petersenetal．2003p14r-IPT=2·D14N14N+D14N15N+2·A14N14N=2r14p14N15N+1－r14·p15N15N6IPT7Nielsen1992p14IPT=p14N15N2p15N15N·p14N15N+2p15N15N7r14Ｒisgaard-Petersen2003。rar14r14=1－ra·p14N15Np15N15N－ra2－ra8raThamdrup2002。15NO－3I1I2p14N15Np15N15Nr14r141=p14N15N1－V·p14N15N22p15N15N1－V2·p15N15N291、2I1、I2V3411r-IPTrar-IPTV15NO－3。r14IPTr-IPTra、r-IPTV。215NH+4+14NO－315NO－314N1515N15Nμmol/L·hTable2Productionratesμmol/L·hof14N15Nand15N15Ninsedimentslurriesincubatedwith15NH+4+14NO－3and15NO－315NH+4+14NO－315NO－3n14N15Nn15N15Nn14N15Nn15N15Nra%0．050±0．001*0．005±0．0050．189±0．004*1．208±0．192*12．2±1．60．009±0．002*－0．002±0．0010．046±0．005*0．898±0．167*2．8±0．4*0．050。r-IPT4Ｒisgaard-Petersenetal．2003①15NO－3—r14②NO－3NO－215N③NO－3④15NO－3。18888μmol/L15NO－3Ｒisgaard-Petersenetal．2003Dalsgaardetal．2005④。22．114N15N15N15N2。15NH+4+14NO－314N15N15NO－314N15N、15N15N。15NO－314N15N、15N15N12.2%2.8%ZhaoYongqiang20130.8%～10.7%。2．2r-IPTrar-IPTVr-IPTrar-IPTV、23。2r-IPTra6.21～10.26μmol/m2·h8.41μmol/m2·hr-IPTV4.25～5.02μmol/m2·h4.56μmol/m2·hr-IPTra。r-IPTra0.59～0.72μmol/m2·h0.65μmol/m2·hr-IPTV0.66～0.79μmol/m2·h0.71μmol/m2·hr-IPTra。2．3r-IPTrar-IPTVr-IPT③NO－3r-IPTp1415NO－3Ｒisgaard-Petersenetal．2003Trimmeretal．2006。r-IPTrap14C15NO－3p＜0.05r-IPTraIPTr-IPTVp14C15NO－3p＞0.05。p1415NO－3p＞0.05。3r-IPTV、4.56、1.47、3.09μmol/m2·h0.71、0.02、0.69μmol/m2·hra32.2%3.3%r-IPTra、8.41、1.03、7.38μmol/m2·h0.65、0.02、0.53μmol/m2·hra11.2%2.8%。r-IPTra、r-IPTVr-IPTV、。Trimmer2006r-IPTV44120182r-IPTrar-IPTVabp14r2pFig．2Nitrogenlossratesp14insedimentsofMeiliangBayandXuhuBaycalculatedbyr-IPTraandr-IPTVra2009IPT11%～14%。3r-IPTrar-IPTVp14、ADTable3Nitrogenlossratesanammoxratesanddenitrificationratesestimatedbyr－IPTraandr－IPTVr－IPTraμmol/m2·hr－IPTVμmol/m2·hp14ADp14AD8．41±1．501．03±0．667．38±1．344．56±0．911．47±0．373．09±0．680．65±0．100．02±0．020．53±0．100．71±0．120．02±0．020．69±0．12r-IPTrar-IPTVr-IPTVra32.2%r-IPTra12.2%。Trimmeretal．20062009100μmol/L15NO－3NO－215NO－315NO－3NO2－Trimmeretal．20052006。rarara5%50%ra2.5%。2．4r-IPTr-IPT。—。Hsuetal．2013。①r-IPT。15NO－3。Steingruber2001—。5411r-IPTrar-IPTV320h24hFig．3TherelationshipofN2productionratesbetweenthe20thand24thhourincontinuousintactcoreincubations24h20h24hp＜0.0013—。②NO－215NNO－2NO－3。IPTp1415NO－3Hsuetal．2013。IPTp1415NO－3p＜0.054。。③NO－3。15N15N－N215NO－3Ｒisgaard-Petersenetal．2003Hsuetal．2013。15N－N215NO3p＜0.055。。3r-IPTr-IPTrar-IPTV4IPTp1415NO－3Fig．4Therelationshipbetweennitrogenlossratesp14ofsedimentscalculatedbyIPTand15NO－3amendments515N15N－N215NO－3Fig．5Therelationshipbetween15N－N2productionratesand15NO－3amendments16412018。r-IPT。2r-IPTVp1415NO－3r-IPTVr-IPTrap1415NO－3p1415NO－3r-IPTra。33.3%32.2%r-IPTra。/ＲeferencesTheliteraturewhosepublishingyearfollowedbya“＆”isinChinesewithEnglishabstractTheliteraturewhosepublishingyearfollowedbya“#”isinChinesewithoutEnglishabstract．2009．．216775～781．CroweSACanfieldDEMucciASundbyBMarangerＲ．2012．Anammoxdenitr