摘要
Astructurefunctionapproachisappliedtoestimatetheturbulentkineticenergy(TKE)dissipationrateinthebottomboundarylayerofthePearlRiverEstuary(PRE).SimultaneousmeasurementswithanacousticDopplervelocimeter(ADV)suppliedindependentdatafortheverificationofthestructurefunctionmethod.Theresultsshowthat,1)thestructurefunctionapproachisreliableandsuccessfullyappliedmethodtoestimatetheTKEdissipationrate.Theobserveddissipationratesrangebetween8.3×104W/kgand4.9×106W/kginYM01andbetween3.4×104W/kgand4.8×107W/kginYM03,respectively,whileexhibitingastrongquarter-diurnalvariation.2)Thebalancebetweentheshearproductionandviscousdissipationisbetterachievedinthestraightriver.Thisfirst-orderbalanceissignificantlybrokenintheestuarybynon-shearproduction/dissipationduetowave-inducedfluctuations.
出版日期
2011年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）
