Sieve lobes typically appear in gravel‐rich and matrix‐poor alluvial fans. Despite being extensively studied, the sieve‐lobe facies has been defined largely based on qualitative field observations ...without quantitative sedimentological analyses. Additionally, depositional activity of sieve lobes has not been monitored over extended periods (monthly to annually) and not directly associated with specific precipitation triggers. Furthermore, the internal geometry of sieve‐lobe built alluvial fans has not yet been imaged by subsurface methods. We performed a multi‐method analysis of sieve lobes in the Julian Alps (NW Slovenia) on an alpine alluvial fan composed of carbonate gravels. We performed a detailed textural and structural sedimentological analysis of 11 recent sieve lobes differing in size and age. A three‐year aerial survey of the alluvial fan surface with a small unmanned aircraft and photogrammetric modelling was used to detect active sieve‐lobe evolution. Detected sieve‐lobe formation events and volumetric surface changes were paired with triggering precipitation events. Ground‐penetrating radar (GPR) profiling depicted the geometry of the sieve‐lobe built alluvial fan. The sieve‐lobe facies consists of over 80% poorly sorted, open‐framework gravels and less than 2% mud. Lobes exhibit downward coarsening and increase in clast mean size. These textural and structural characteristics are present in all sieve lobes regardless of their age and size. Sieve lobes form with a sub‐annual frequency, usually following 24 h rainfall events exceeding 50 mm. Over 1000 m3 of sediment was deposited during these events. The GPR profiles confirm that the studied alluvial fan is formed predominantly by stacked sieve lobes. Quantitative sedimentary analysis of sieve lobes, monitoring of their recent evolution, and depiction of their subsurface geometry—demonstrated in this study—reinforce the challenged concept that sieve lobes are one of the main building blocks of alluvial fans. This work also demonstrates that, under specific conditions, sieving may become the dominant alluvial fan‐forming process.
We performed a detailed sedimentological analysis of 11 sieve lobes on an active alluvial fan. A three‐year aerial surface survey detected active sieve‐lobe evolution, which was paired with triggering precipitation events. Ground‐penetrating radar depicted the architecture of the sieve‐lobe built alluvial fan. Lobes exhibit downward coarsening and increased clast mean size. They are deposited annually during rainfalls exceeding 50 mm, during which more than 1000 m3 of sediment was deposited. Gravel‐rich and matrix‐poor alluvial fans can be almost entirely sieve‐lobe built.
Ski jumping hills should be prepared for competitions in accordance with project documentation in order to ensure safe and fair conditions for competitors. Geodesy/surveying is essential for guiding ...preparations and controlling the actual shape of the hill. In this article, we present a methodology for the control measurements and preparation of an inrun for a ski-flying hill in Planica. On each side of the track, there is metal tube that guides the trolley, which mills tracks into the ice. A special platform containing three measuring prisms was designed to control the position of the tubes. The proposed method was thoroughly analyzed in terms of its measurement quality and compared to previously used methodologies. The empirical results suggest that our proposed platform provides inrun geometry with a higher quality than previously used methods.
A lowered snow line in Alpine valleys as a local weather phenomenon often varies from one valley to another. The relief morphology of the valleys and the intensity of precipitation play a crucial ...role in the variation. In Slovenia certain valleys are more susceptible to this phenomenon than others, one such example being the Planica Valley. This article examines the occurrence of a lowered snow line in the Planica Valley and the Vrata Valley during the winter seasons of 2015/2016 and 2016/2017. Precipitation events accompanying the occurrence of a lowered snow line were analyzed, and data on temperature and precipitation were included in the analysis. Results showed a striking degree of congruence of the phenomenon in both valleys.
We present a geomorphological map on a scale of 1:15,000, with detailed sedimentological descriptions, and a general relative spatio-temporal depositional reconstruction of Quaternary sediments in ...the Planica-Tamar Valley (NW Slovenia). After the Last Glacial Maximum, the retreating Quaternary glacier deposited large amounts of glacial sediments. These were followed by Holocene sediments, which differ in their sedimentological characteristics, transport mechanisms, and morphology. These sediments are deposited as sedimentary bodies with complex depositional geometries. They form areas of active, partly active, and inactive sedimentation in response to local/regional climate and bedrock geology. Previous research of the valley was mainly focused on bedrock mapping, while almost completely neglecting Quaternary deposits. This work is the first broader analysis of Quaternary sedimentary deposits in the research area, which offers an insight into the complex geomorphological and sedimentological processes, which shape the current mountainous landscape.
V prispevku analiziramo padavinski dogodek v noči s 25. na 26. marec 2016 ob prehodu hladne fronte. Analiza temperaturnih razmer na proučevanem območju (dolina Planice in Peč) pokaže, da v času ...padavin v višinah pod 2500 m ni bilo hladne advekcije. Podatki kažejo celo rahel porast temperature. Vendar pa so v času najmočnejših padavin temperature na naših temperaturnih postajah padle blizu ledišča in za kratek čas je bil nad Planico oblikovan izotermni profil, tako da je za nekaj ur snežna meja dosegla dolinsko dno. Podatki tudi kažejo, da je v času najmočnejših padavin in ohlajevanja nastopilo skoraj brezvetrje, kar kaže na to, da sta dolinska atmosfera in atmosfera nad njo v smislu advekcije in posledično temperaturnih sprememb v času znižane meje sneženja povsem ločeni.
Physical 3D maps have a fine history in cartography, but they require the highest level of craftsmanship and artistic talent from a cartographer. However, 3D printing technology can simplify ...production of 3D maps. This technology saves time and enables multiple reproduction of the same map, without painstaking manual labour. Nonetheless, to produce a high-quality 3D map, cartographers must use well-established cartographic principles and techniques. This paper describes the creation of a physical 3D map of the Planica Nordic Center. The main purpose of the map is to promote and clarify future development of the sports centre and to show its final infrastructure and landscaping. This paper describes the data, technology, and design decisions used in making the map. It also discusses the cartographic principles and techniques used in the making of the map, and the lessons learned.
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Robert Kranjec je poskrbel za pravo evforijo v dolini pod Poncami. Znova je za sabo pustil vse tekmece in z ...215 metrov dolgim poletom Sloveniji priboril prvo zmago na planiški velikanki. Nazadnje je to uspelo Primožu Ulagi še v prejšnji državi leta 1988. Za Kranjca je vredna še toliko več, ker si je že od nekdaj želel zmagati doma.»Planica niso skoki in poleti. Planica je preprosto ljubezen« je dejal oče naše velikanke Janez Gorišek. In danes po izjemni zmagi Roberta Kranjca, prvi slovenski na tej skakalnici, ga povsem razumemo.Prvi dan smučarskih poletov, zmaga Robert Kranjec, zmagovalni oder, izjava Kranjec, polet, navijači iz Hrvaške, Kranjec na ramenih moštvenih kolegov, izjava Anders Bardal, vodilni v svetovnem pokalu.- Information:- Planica: the victory of the Slovene ski jumping champion Robert Kranjec in the world championship.- Original language summary:
Planica: zmaga slovenskega skakalnega asa Roberta Kranjca na tekmi za svetovni pokal.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
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Kakšna je razlika med skoki in poleti? Ocenjevanje sloga in daljav je pri poletih bistveno drugačna. Pri ...skokih dobi tekmovalec za slog maksimalno 60 točk in za daljavo 60 točk. Pri poletih dobi tekmovalec za slog 60 točk, za daljavo pa 120 točk. S sodniškega stališča je torej najpomembnejše razmerje 2:1 v prid daljavam.Kako se ocenjuje slog. Že z opazovanjem takoj po štartu, od roba mostu pa začne z ocenjevanjem poleta. Razlikujemo tri cone: 1. polovica, 2. polovica do doskoka in od doskoka naprej. Od 60-ih točk odbijajo napake. Pri padcih so različni odbitki, ker so padci različno kategorizirani. Svetozar Guček je izdelal posebne tabele za ocenjevanje padcev. Kje se točno meri daljava skakalca - merodajna točka za dolžino je točka med obema stopaloma. Pri odločbah razsodišča je vedno na prvem mestu varnost skakalca oziroma letalca.- Information:- Ski flying marking: an interview by Miha Žibrat with the international judge Svetozar Gučko.- Original language summary:
Sodniško ocenjevanje smučarskih poletov; pogovorja novinar Mihe Žibrata z mednarodnim sodnikom Svetozarjem Gučkom.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
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Oddaja je predstavljena na spletni strani RTV Slovenija. Povezavo najdete v polju informacije.- Information:
...http://www.rtvslo.si/sport/zimski-sporti/brez-njih-planice-ne-bi-bilo-v-nedeljo-feljton-zlati-teptaci/278982- An excerpt from the TV programme about the diligent and hard-working maintanence team at the ski flying hill in Planica.- Original language summary:
Odlomek iz oddaje o neutrudnih in prizadevnih planiških športnih delavcih, ki vzdržujejo letalnico in jo pripravljajo za športno prireditev.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
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Po veliki negotovosti ali bo organizatorjem uspelo pripraviti skakalnico v dolini pod Poncami za tekmi ...svetovnega pokala, se je smučarski praznik v Planici začel. Že danes se je tja 170 avtobusi 2500 avtomobili odpravilo od 18. do 20.000 ljubiteljev poletov.
Priprava velikanke, dovažanje snega s helikopterjem. Izjave Miloš Kokotovič, kapetan policijske helikopterske enote, Janez Gorišek, vodja tekmovanja, Jože Lavtižar, direktor Javnega zavoda Planica. - Information:- Planica: the beginning of the ski festival and preparations at the ski flying hill facility.- Original language summary:
Planica: začetek smučarskega praznika in priprave letalnice za polete.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
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