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https://doi.org/10.15233/gfz.2019.36.1

Influence of digital elevation model resolution on gravimetric terrain correction over a study-area of Croatia

Matej Varga   ORCID icon orcid.org/0000-0002-3453-169X ; Faculty of Geodesy, University of Zagreb, Zagreb, Republic of Croatia
Marijan Grgić   ORCID icon orcid.org/0000-0002-3098-232X ; Faculty of Geodesy, University of Zagreb, Zagreb, Republic of Croatia
Olga Bjelotomić Oršulić ; IGEA d.o.o. Varaždin, Varaždin, Republic of Croatia
Tomislav Bašić   ORCID icon orcid.org/0000-0003-2655-6130 ; Faculty of Geodesy, University of Zagreb, Zagreb, Republic of Croatia

Puni tekst: engleski, pdf (9 MB) str. 17-32 preuzimanja: 205* citiraj
APA 6th Edition
Varga, M., Grgić, M., Bjelotomić Oršulić, O. i Bašić, T. (2019). Influence of digital elevation model resolution on gravimetric terrain correction over a study-area of Croatia. Geofizika, 36 (1), 17-32. https://doi.org/10.15233/gfz.2019.36.1
MLA 8th Edition
Varga, Matej, et al. "Influence of digital elevation model resolution on gravimetric terrain correction over a study-area of Croatia." Geofizika, vol. 36, br. 1, 2019, str. 17-32. https://doi.org/10.15233/gfz.2019.36.1. Citirano 17.09.2021.
Chicago 17th Edition
Varga, Matej, Marijan Grgić, Olga Bjelotomić Oršulić i Tomislav Bašić. "Influence of digital elevation model resolution on gravimetric terrain correction over a study-area of Croatia." Geofizika 36, br. 1 (2019): 17-32. https://doi.org/10.15233/gfz.2019.36.1
Harvard
Varga, M., et al. (2019). 'Influence of digital elevation model resolution on gravimetric terrain correction over a study-area of Croatia', Geofizika, 36(1), str. 17-32. https://doi.org/10.15233/gfz.2019.36.1
Vancouver
Varga M, Grgić M, Bjelotomić Oršulić O, Bašić T. Influence of digital elevation model resolution on gravimetric terrain correction over a study-area of Croatia. Geofizika [Internet]. 2019 [pristupljeno 17.09.2021.];36(1):17-32. https://doi.org/10.15233/gfz.2019.36.1
IEEE
M. Varga, M. Grgić, O. Bjelotomić Oršulić i T. Bašić, "Influence of digital elevation model resolution on gravimetric terrain correction over a study-area of Croatia", Geofizika, vol.36, br. 1, str. 17-32, 2019. [Online]. https://doi.org/10.15233/gfz.2019.36.1
Puni tekst: hrvatski, pdf (9 MB) str. 17-32 preuzimanja: 106* citiraj
APA 6th Edition
Varga, M., Grgić, M., Bjelotomić Oršulić, O. i Bašić, T. (2019). Utjecaj razlučivosti digitalnog modela reljefa na gravimetrijsku korekciju terena nad područjem Hrvatske. Geofizika, 36 (1), 17-32. https://doi.org/10.15233/gfz.2019.36.1
MLA 8th Edition
Varga, Matej, et al. "Utjecaj razlučivosti digitalnog modela reljefa na gravimetrijsku korekciju terena nad područjem Hrvatske." Geofizika, vol. 36, br. 1, 2019, str. 17-32. https://doi.org/10.15233/gfz.2019.36.1. Citirano 17.09.2021.
Chicago 17th Edition
Varga, Matej, Marijan Grgić, Olga Bjelotomić Oršulić i Tomislav Bašić. "Utjecaj razlučivosti digitalnog modela reljefa na gravimetrijsku korekciju terena nad područjem Hrvatske." Geofizika 36, br. 1 (2019): 17-32. https://doi.org/10.15233/gfz.2019.36.1
Harvard
Varga, M., et al. (2019). 'Utjecaj razlučivosti digitalnog modela reljefa na gravimetrijsku korekciju terena nad područjem Hrvatske', Geofizika, 36(1), str. 17-32. https://doi.org/10.15233/gfz.2019.36.1
Vancouver
Varga M, Grgić M, Bjelotomić Oršulić O, Bašić T. Utjecaj razlučivosti digitalnog modela reljefa na gravimetrijsku korekciju terena nad područjem Hrvatske. Geofizika [Internet]. 2019 [pristupljeno 17.09.2021.];36(1):17-32. https://doi.org/10.15233/gfz.2019.36.1
IEEE
M. Varga, M. Grgić, O. Bjelotomić Oršulić i T. Bašić, "Utjecaj razlučivosti digitalnog modela reljefa na gravimetrijsku korekciju terena nad područjem Hrvatske", Geofizika, vol.36, br. 1, str. 17-32, 2019. [Online]. https://doi.org/10.15233/gfz.2019.36.1

Sažetak
High-resolution digital elevation models (DEMs) have become available in the last decade. They are used in geodesy and geophysics as the main data for modeling of topographic mass effects included in gravimetric and gradiometric measurements. In modeling process, gravimeric terrain correction is the central quantity which accounts for the variations of topographic masses around measured stations. This study deals with one segment of terrain correction computation: the impact of the resolution of digital elevation models. Computations are performed on study area of Republic of Croatia. Newly created DEM/DBM for the study area is created from global digital surface model ASTER for continental area, and digital bathymetric model GEBCO for the sea area. DEMs with lower resolution were created by resampling of the created ASTER/GEBCO DEM/DBM in 1″ resolution. Terrain correction map is computed and published for the first time for the Republic of Croatia. The differences between terrain correction solutions obtained by using lower resolution DEMs compared to the solution obtained by using DEM with 1″ are indicating average influence of DEM resolution on terrain correction from 0,5·10–5 to 3·10–5 ms–2, for DEMs with lower resolution than 5″. The results also reveal that rugged and mountainous areas are particularly problematic in such computations.

Ključne riječi
ASTER; digital elevation model; GEBCO; resolution; terrain correction

Hrčak ID: 228475

URI
https://hrcak.srce.hr/228475

[hrvatski]

Posjeta: 567 *