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Absolute Sea Level Surface Modeling for the Mediterranean from Satellite Altimeter and Tide Gauge Measurements


Grgić, Marijan; Nerem, Robert Steven; Bašić, Tomislav
Absolute Sea Level Surface Modeling for the Mediterranean from Satellite Altimeter and Tide Gauge Measurements // Marine geodesy, 40 (2017), 4; 239-258 doi:10.1080/01490419.2017.1342726 (međunarodna recenzija, članak, znanstveni)


Naslov
Absolute Sea Level Surface Modeling for the Mediterranean from Satellite Altimeter and Tide Gauge Measurements

Autori
Grgić, Marijan ; Nerem, Robert Steven ; Bašić, Tomislav

Izvornik
Marine geodesy (0149-0419) 40 (2017), 4; 239-258

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Absolute sea level, extrapolation methods, interpolation methods, offshore reference frame, satellite altimetry validation, sea level modeling, tide gauge data integration, vertical land movement

Sažetak
Changes in the height of the ocean can be described through the relative and absolute sea level changes depending on the geodetic reference the sea level records are related to. Satellite altimetry provides absolute sea level (ASL) measurements related to the global geodetic reference, whereas tide gauges provide relative sea level (RSL) measurements related to the adjacent land. This study aims at computing the ASL surfaces for different time epochs from combined satellite altimeter and tide gauge records. A method of sea level data fusion is proposed to enable modeling of the impact of present and future sea level changes on the coast. Sea surface modeling was investigated for ten different gridding methods commonly used for the interpolation of altimeter data over the open ocean and extrapolation over the coastal zones. The performance of gridding methods was assessed based on the comparison of the gridded altimeter data and corrected tide gauge measurements. Finally, the sea level surfaces related to the GRS80 global reference ellipsoid were computed for the Mediterranean Sea over the altimeter period. In addition, the current sea level trends were estimated from both sea level measurements.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Geodezija, Računarstvo



POVEZANOST RADA


Ustanove
Geodetski fakultet, Zagreb

Profili:

Avatar Url Tomislav Bašić (autor)

Avatar Url Marijan Grgić (autor)

Citiraj ovu publikaciju

Grgić, Marijan; Nerem, Robert Steven; Bašić, Tomislav
Absolute Sea Level Surface Modeling for the Mediterranean from Satellite Altimeter and Tide Gauge Measurements // Marine geodesy, 40 (2017), 4; 239-258 doi:10.1080/01490419.2017.1342726 (međunarodna recenzija, članak, znanstveni)
Grgić, M., Nerem, R. & Bašić, T. (2017) Absolute Sea Level Surface Modeling for the Mediterranean from Satellite Altimeter and Tide Gauge Measurements. Marine geodesy, 40 (4), 239-258 doi:10.1080/01490419.2017.1342726.
@article{article, year = {2017}, pages = {239-258}, DOI = {10.1080/01490419.2017.1342726}, keywords = {Absolute sea level, extrapolation methods, interpolation methods, offshore reference frame, satellite altimetry validation, sea level modeling, tide gauge data integration, vertical land movement}, journal = {Marine geodesy}, doi = {10.1080/01490419.2017.1342726}, volume = {40}, number = {4}, issn = {0149-0419}, title = {Absolute Sea Level Surface Modeling for the Mediterranean from Satellite Altimeter and Tide Gauge Measurements}, keyword = {Absolute sea level, extrapolation methods, interpolation methods, offshore reference frame, satellite altimetry validation, sea level modeling, tide gauge data integration, vertical land movement} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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