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Combination of satellite altimetry data and EGM2008 model for evaluation of the height datum in Iran
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Samhällsplanering och miljö, Geodesi och geoinformatik.
2011 (engelsk)Inngår i: Ecology, Environment and Conservation, ISSN 0971-765X, Vol. 17, nr 4, s. 653-659Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The repetitive periodic coverage from Topex/Poseidon altimetry satellite during 1992-2003 from the Oman Sea and Persian Gulf were used to prepare time series covering the study area. The linear portion of series were analyzed to calculate mean sea level as its temporal changes using the least-squares method. Due to the significance of sea level topography in oceanographic studies a new model proposed using the combined altimetry satellite data and the EGM2008 global geoid model in order to determine and equalize the current height datum for Iran. The maximum and minimum of sea surface topography vary within the range of -0.7 to 1.1m in the study area. Adjustment of the current precise network for Iran established based on the Bandar Abbas tide gauge station, which its corresponding SST estimated up to -0.5 m. Effect of such large systematic error in national height system cannot be ignored in geodynamical and engineering researches.

sted, utgiver, år, opplag, sider
2011. Vol. 17, nr 4, s. 653-659
Emneord [en]
EGM2008, Geoid, Mean sea level, Oman sea, Persian gulf, Satellite altimetry, Sea surface topography, Topex/poseidon, height determination, satellite data, sea level, time series, TOPEX-Poseidon, Arabian Sea, Gulf of Oman, Indian Ocean, Iran
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Identifikatorer
URN: urn:nbn:se:kth:diva-149885Scopus ID: 2-s2.0-84858226123OAI: oai:DiVA.org:kth-149885DiVA, id: diva2:743619
Merknad

QC 20140904

Tilgjengelig fra: 2014-09-04 Laget: 2014-08-28 Sist oppdatert: 2016-12-23bibliografisk kontrollert

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