Improved satellite altimetry in coastal systems: Case study of the Corsica Channel (Mediterranean Sea) (Articolo in rivista)

Type
Label
  • Improved satellite altimetry in coastal systems: Case study of the Corsica Channel (Mediterranean Sea) (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Vignudelli S., Cipollini P., Roblou L., Lyard F., Gasparini G. P., Manzella G., Astraldi M. (2005)
    Improved satellite altimetry in coastal systems: Case study of the Corsica Channel (Mediterranean Sea)
    in Geophysical research letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Vignudelli S., Cipollini P., Roblou L., Lyard F., Gasparini G. P., Manzella G., Astraldi M. (literal)
Pagina inizio
  • L07698 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • doi:10.1029/2005GL022602 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 32 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Istituto di Biofisica, Consiglio Nazionale delle Ricerche, Pisa, Italy (2) National Oceanography Centre, Southampton, UK (3) Laboratoire d'Etudes en Géophysique et Océanographie Spatiales (LEGOS), Centre National de la Recherche Scientifique, Toulouse, France (4) Istituto di Scienze del Mare, Consiglio Nazionale delle Ricerche, La Spezia, Italy (5) Ente per le Nuove Tecnologie, l'Energia e l'Ambiente, La Spezia, Italy (literal)
Titolo
  • Improved satellite altimetry in coastal systems: Case study of the Corsica Channel (Mediterranean Sea) (literal)
Abstract
  • The fidelity of corrections and processing are critical for a realistic use of official altimetric products close to the coast. A new processing strategy, which starts from the TOPEX/Poseidon GDRs with the addition of improved corrective terms, is proposed and evaluated in the area of the Corsica Channel. Sea level anomalies agree with the coincident sea truth (bottom pressure and tide gauge) within 2-3 cm rms for seasonal and longer time scales. Analysis for almost ten years of coincident mooring and altimetric velocities shows that a substantial reduction of uncertainty to approximately 4 cm s-1 may be possible after reasonable filtering of the noise introduced by more variable coastal sea surface states. The conclusion is that the altimetry success is still limited to seasonal time scales, and provided that the oceanographic signal ensures an adequate signature to be isolated from background noise. (literal)
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