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Opazovanje jamskih vhodov s termalnimi satelitskimi podatki : magistrsko delo
ID Matičič, Ana (Author), ID Oštir, Krištof (Mentor) More about this mentor... This link opens in a new window, ID Kokalj, Žiga (Co-mentor)

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MD5: BBEC60CFB9C949D7E2CD33C6E60DA5B7
PID: 20.500.12556/rul/2e5161ca-c665-49f4-92b6-0321c6c2c356

Abstract
Termalni satelitski posnetki prikazujejo termično sevanje zemeljskega površja in so uporabni na mnogih področjih. Njihova prednost je, da je zajem podatkov brezkontakten, celovit in periodičen, kar omogoča časovno primerjavo podatkov. V tej nalogi smo s termalnimi satelitskimi podatki opazovali jamske vhode. V prvem delu naloge so predstavljeni program Landsat in značilnosti satelita Landsat 8. Postopek določitve temperature tal s satelitskimi termalnimi posnetki je opisan na splošno in za različne rabe tal. Kraške jame imajo posebno mikroklimo, ki je odvisna od mnogih dejavnikov. Opredelili smo značilnosti jamskih vhodov, ki so pomembne za potrebe magistrske naloge. Drugi del predstavlja praktični del naloge, kjer so izbrani primerni jamski vhodi in termalni satelitski posnetki. S slednjimi smo opazovali temperaturo jamskih vhodov glede na njihovo okolico v obliki dveh pravokotnih prečnih profilov. Zaradi spremembe jamske klime med različnimi letnimi časi smo opravili obdelave poletnih in zimskih posnetkov. Analiza rezultatov je pokazala, da je pri nekaterih jamskih vhodih mogoče opaziti temperaturno anomalijo, a bi to lahko povezali tudi z reliefom. Pri veliki večini jam ni opaziti pričakovanih temperaturnih razlik.

Language:Slovenian
Keywords:geodezija, magistrska dela, termalni satelitski posnetek, Landsat, temperatura tal, jamski vhod, jamska klima
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:[A. Matičič]
Year:2015
Number of pages:XII, 51 str., [29] str. pril.
PID:20.500.12556/RUL-73274 This link opens in a new window
COBISS.SI-ID:7253601 This link opens in a new window
Publication date in RUL:04.11.2015
Views:2740
Downloads:516
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Secondary language

Language:English
Title:Observing cave entrances with thermal satellite data
Abstract:
Thermal satellite images show thermal radiation of Earth's surface and are useful in many fields. Their advantage is that the data capture is non-contact, comprehensive and periodical, which enables comparing the data through time. In this master thesis we observed cave entrances with thermal satellite images. First part of thesis presents the programme Landsat and characteristics of the satellite Landsat 8. Process of ground temperature determination is described in general and for different land usage. Karst caves have special microclimate which is dependent of many factors. We defined the characteristics of cave entrances that are important for this master thesis. Second part presents practical work where we have chosen suitable cave entrances and thermal satellite images. With the latter we observed temperatures of cave entrances compared to their surroundings and created two perpendicular cross profiles. Because cave's climate change through the year, we processed summer and winter images. The analysis of results shows that there at some cave entrances there is a temperature anomaly. But that can also be related to the relief. At most cave entrances there are no temperature differences which we expected.

Keywords:geodesy, master of science thesis, thermal satellite image, Landsat, ground temperature, cave entrance, cave climate

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