{"refrec":{"BRefID":318187,"RR":"<b>Wang, S.; Qiao, F.; Dai, D.; Zhou, X.</b> (2019). Anisotropy of the sea surface height wavenumber spectrum from altimeter observations. <i>NPG Scientific Reports 9(1)</i>: 10 pp. <a href=\"https://dx.doi.org/10.1038/s41598-019-52328-w\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-019-52328-w</a>","BEntID":311624,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 9(1)</i>: 10 pp. <a href=\"https://dx.doi.org/10.1038/s41598-019-52328-w\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-019-52328-w</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Wang, S.; Qiao, F.; Dai, D.; Zhou, X.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Wang, S. <i>et al.</i>","Englishabstract":"In this paper, the zonal and meridional sea surface height (SSH) wavenumber spectra are systematically calculated using along-track and gridded altimeter products, and the slopes of the SSH wavenumber spectra over the mesoscale band, which is defined by the characteristic length scale of mesoscale signals, are estimated. The results show that the homogeneous spectral slopes calculated from the along-track and gridded altimeter datasets have a similar spatial pattern, but the spectral slopes from gridded altimeter data are generally steeper than that from the along-track data with an averaged difference of 1.5. Significant differences are found between the zonal and meridional spectra, which suggest that SSH wavenumber spectra are indeed anisotropic. Furthermore, the anisotropy exhibits strong regional contrast: in the equatorial region, the zonal spectrum is steeper than its corresponding meridional spectrum, while in the eastward-flowing high EKE regions the meridional spectrum is steeper than its zonal counterpart. The anisotropy of SSH wavenumber spectral slopes implies that EKE distributes anisotropically in different directions, and this distribution is closely associated with the generation and nonlinear evolution of mesoscale movements.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Anisotropy of the sea surface height wavenumber spectrum from altimeter observations","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-10 01:32:26.305950","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2019,"MonPub":null,"DateUpdate":"2019-11-22","DateCreate":"2019-11-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000493898100004","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-019-52328-w"},"refs":null,"anarec":{"AnaID":318187,"PubliDate":2019,"Pagination":"10 pp","XtraPublOfAnaID":null,"ISBN":null,"Volume":"9","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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