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Primerjava GNSS-izmere vodostaja in simulacije vodostaja na podlagi DMR na delu Cerkniškega jezera : diplomska naloga
ID Korošec, Marjeta (Author), ID Pavlovčič Prešeren, Polona (Mentor) More about this mentor... This link opens in a new window, ID Grigillo, Dejan (Comentor)

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PID: 20.500.12556/rul/2e217e13-dd14-4077-a17a-666855f5b2de

Abstract
V diplomski nalogi predstavljamo rezultate terenske izmere GNSS v januarju in marcu 2014 na delu Cerkniškega jezera, podrobneje v okolici vasi Dolenje Jezero. Izmeri smo delali v času pred in po žledolomu ter kasnejši nadpovprečno povečani višini vodostaja jezera. V nalogi opisujemo rezultate in ugotovitve s področja določitve srednje nadmorske višine gladine jezera ter kakovosti uporabljenega DMR-ja. Prvi del diplomske naloge se nanaša na teoretični opis metod izmere GNSS, v nadaljevanju pa se osredotočimo na opis GNSS izmere na terenu. V praktičnem delu naloge izpostavimo težave, ki so se pojavile pri obdelavi opazovanj statične metode izmere GNSS. Preverili smo natančnost RTK-metode izmere z navezavo na VRS na danem območju. Glavni del naloge zajema grafične prikaze srednjih nadmorskih višin gladine jezera, določenih s pomočjo merjenih diskretnih točk z RTK-metodo izmere. Cilj naloge v tem delu je primerjava podatkov RTK-metode izmere vodostaja s simulacijo vodostaja, izvedeno na podlagi DMR-ja v času poplav. V povezavi s primerjavo rezultatov na grafični podlagi ortofota predstavimo nihanje vodne gladine. V zaključnem delu diplomske naloge so podani predlogi za možno nadgradnjo naloge v prihodnosti.

Language:Slovenian
Keywords:geodezija, diplomska naloga, UNI, GIG, GNSS-izmera, DMR, VRS, diskretne točke, vodostaj
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Place of publishing:Ljubljana
Publisher:M. Korošec
Year:2014
Number of pages:XI, 29 str., 1 pril.
PID:20.500.12556/RUL-32406 This link opens in a new window
UDC:528.28(497.4Cerkniško jezero)(043.2)
COBISS.SI-ID:6729825 This link opens in a new window
Publication date in RUL:10.07.2015
Views:3697
Downloads:580
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Secondary language

Language:English
Title:GNSS water level determination compared to the DTM based simulation at the part of the lake Cerknica
Abstract:
This thesis presents the results of field measurement of GNSS at a part of lake Cerknica, more specifically in the surroundings of the village Dolenje Jezero, in January and March 2014. We took measures before and after the sleet storm and later when the amount of water was increased above the average water level of the lake. We describe the results and findings of determining the medium-altitude surface of the lake and the quality of the DTM. The first part of the thesis concerns the theoretical description of the methods GNSS surveying, later we focused on the description of GNSS surveying on the field. In the practical part of the thesis the problems encountered in the processing of observations static GNSS surveying methods are highlightened. We checked the accuracy of RTKmeasurement method with reference to the VRS in a given area. The main part of the thesis includes graphic displays of a medium altitude surface of the lake set by using the measured discrete points with RTK-method of surveying. The aim of the task in this part is to compare the data of the RTK-method measurement of water levels to the DTM based simulation of water level during the flood. Fluctuation of water levels was introduced with the comparison of the results on the graphic basis of orthophoto. The final part of the thesis points out the suggestions for a possible upgrade of the task in the future.

Keywords:GNSS-surveying, DTM, VRS, discrete point, the water level

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