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Določitev dnevnih pomikov droga točke KOPE na mareografski postaji Koper : magistrsko delo št.: 143/II. GIG
ID Brezovar, Vera (Author), ID Ambrožič, Tomaž (Mentor) More about this mentor... This link opens in a new window, ID Pavlovčič Prešeren, Polona (Comentor)

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Abstract
V magistrski nalogi smo ugotavljali stabilnost točke KOPE, ki je ena od šestnajstih stalnih postaj GNSS državnega omrežja SIGNAL ter ena od šestih točk mreže 0. reda. Glede na to, da je sprejemnik GNSS postavljen na kovinsko konstrukcijo, ki jo podpirata kovinski nogi iz drugega materiala, nas je zanimalo, ali raztezanje in krčenje materiala konstrukcije zaradi segrevanja vpliva na spremembo položaja točke KOPE. Točka se nahaja poleg bivše kapitanije v Kopru in je povezana z mareografom Koper. Meritve smo izvedli v dveh terminskih izmerah. Pri prvi izmeri smo uporabljali le klasično terestrično metodo izmere, pri drugi izmeri pa smo klasični izmeri dodali še izmero GNSS, da bi tudi z drugo metodo geodetske izmere ugotovili spremembe v položaju točke KOPE zaradi gibanja konstrukcije. Ugotovili smo, da točka KOPE ni stabilna. Izmerjeni premiki so se gibali v prvi izmeri med –5,0 mm do 0,01 mm, v drugi izmeri pa med –6,7 mm ter 1,5 mm. Glede na pridobljene rezultate se postavlja vprašanje, ali je točka KOPE primerna za visoko-natančne meritve, kot je na primer statična metoda GNSS izmere.

Language:Slovenian
Keywords:geodezija, magistrska dela, GIG, mareografska postaja, točka KOPE, GNSS, geodetska mreža ničtega reda, horizontalni premiki, geodetski referenčni sistem, azimut Sonca
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Place of publishing:Ljubljana
Publisher:[V. Brezovar]
Year:2022
Number of pages:XV, 55 str.
PID:20.500.12556/RUL-136718 This link opens in a new window
UDC:551.46:528.235(497.4Koper)(043.3)
COBISS.SI-ID:108021251 This link opens in a new window
Publication date in RUL:17.05.2022
Views:721
Downloads:78
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Secondary language

Language:English
Title:The determination of the daily displacements of the pole of KOPE point on a tide gauge station Koper : master thesis no.: 143/II. GIG
Abstract:
The subject of the master’s thesis is the stability of the point KOPE, which is one of the sixteen stations in the SIGNAL network and one of the six points of zero order forming the national zero-order geodetic network. Considering that the GNSS receiver is mounted on a metal pole supported by metal legs made of a different material, we were interested to see whether the expansion and contraction of the structure material due to heating affects the change in KOPE point. The point is positioned next to the ex- Harbourmaster’s Office in Koper as part of the tide gauge station. The measurements were performed at two different time intervals. First measurements were executed using only classical terrestrial method, the second ones were additionally measured with GNSS measurement method, which was added to the classical measurement in order to identify changes in the position of the KOPE point due to the movement of the structure. The research’s outcome is the understanding that the point KOPE is not stable. The measured displacements ranged from -5,0 mm to 0,01 mm in the first measurements and from -6,7 mm to 1,5 mm in the second measurements. The results raise the question whether the point KOPE is suitable for high-precision measurements, such as the static GNSS method.

Keywords:geodesy, master thesis, tide gauge station, point KOPE, GNSS, zero-order geodetic network, horizontal movements, geodetic reference system, solar azimuth angle

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