20.500.12556/RUNG-3154
Značilnosti dinamike vsebnosti vodne pare v ozračju nad Vipavsko dolino z uporabo daljinskega zaznavanja s sistemom GPS
Diplomsko delo
Characteristics of water vapor fluctuations in the atmosphere above Vipava Valley region by the use of GPS
Diploma thesis
Vsebnost vodne pare v ozračju je ena pomembnejših meteoroloških spremenljivk pri numeričnem napovedovanju vremena kot tudi dolgoročnem preučevanju podnebja. Tradicionalni načini merjenja zaradi svojih pomanjkljivosti in stroškov obratovanja ne uspejo pokriti izredno heterogene prostorske in časovne porazdelitve vodne pare v ozračju. Z vse hitrejšim razvojem Globalnih navigacijskih satelitskih sistemov (GNSS), med katere sodi tudi Globalni sistem pozicioniranja (GPS), se vedno bolj uveljavlja daljinsko zaznavanje vsebnosti vodne pare v ozračju na podlagi zakasnitev satelitskih signalov GNSS. V ta namen smo v diplomski nalogi na podlagi skoraj dvoletnih meritev GPS z dvema načrtno postavljenima stacionarnima sprejemnikoma na območju Vipavske doline po uveljavljeni metodologiji, računali skupno vsebnost vodne pare v stolpcu ozračja nad postajo GPS in v sloju ozračja znotraj Vipavske doline – od dna do roba Trnovske planote. Rezultate vsebnosti vodne pare v ozračju smo nato analizirali, primerjali in ovrednotili na podlagi izračunane absolutne vlage in drugih meteoroloških podatkov iz bližnjih merilnih postaj, opisov razvoja vremena in fotografij vremenskih razmer na območju Vipavske doline. Ugotovili smo, da lahko prisotnost padavin ter specifične nehomogene porazdelitve vlažnih zračnih mas vplivajo na razlike v absolutni vlagi, določeni na merilnih postajah in povprečni absolutni vlagi v ozračju Vipavske doline, ocenjeni s pomočjo zakasnitve signalov GNSS.
Water vapor plays a crucial role in numerical weather prediction and long term climate research. However, due to the limitations and costs associated with contemporary instruments of water vapor estimation, the complex temporal and spatial distribution of water vapor in the atmosphere remains insufficiently covered. With the rapid development of Global Navigation Satellite Systems (GNSS), which include the Global Positioning System (GPS), there is rising interest in the potential of remote sensing of water vapor in the atmosphere based on GNSS signals delays. Therefore, in this bachelor thesis, using a proven methodology, almost two years of continuous GPS data, obtained from two specifically located stationary GPS receivers in the Vipava Valley region were used to calculate water vapor in the atmospheric layer within the Vipava Valley – from the base of the valley to the edge of Trnovski gozd ridge. The results were analysed, compared and evaluated based on water vapor calculated using data from nearby meteorological stations, other meteorological data, descriptions of weather development and photographs of weather conditions in the Vipava Valley region. It was concluded, that the presence of percipitation and conditions with specific nonhomogeneous distrubutions of humid air in the Vipava valley cause differences between absolute humudity obtained from measuring stations and the average absolute humidity within Vipava valley, estimated from GNSS signal delays.
daljinsko zaznavanje
meteorologija GNSS
GPS
troposferska zakasnitev
absolutna vlaga
remote sensing
GNSS Meteorology
GPS
tropospheric delay
absolute humidity
true
true
false
Slovenski jezik
Angleški jezik
Diplomsko delo/naloga
2017-05-26 03:13:58
2017-05-30 05:02:18
2023-06-13 14:25:44
0000-00-00 00:00:00
2017
0
Nova Gorica
0
0000-00-00
NiDoloceno
NiDoloceno
NiDoloceno
0000-00-00
0000-00-00
0000-00-00
4788987
URN:SI:UNG:REP:A0R3WKD3
Samo_Skrlec.pdf
Samo_Skrlec.pdf
1
FE1703476F98020A7CC4DA031807D7FF
d7de38f6006265d49b4f6f816c32ce57617d21c9239d2a61beeeb38f5937ac4a
31a785db-05ce-11ee-9c48-5ef991fed68f
https://repozitorij.ung.si/Dokument.php?lang=slv&id=10596
Fakulteta za znanosti o okolju
0
0
0