• Korean Journal of Heritage: History & Science
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• v.54 no.2
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• pp.98-119
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• 2021

This thesis aims to examine when the petroglyphs of Cheonjeon-ri, Ulju were carved and their nature. To achieve this, the relations between rituals and rock carving motifs are examined besides the nature of the archaeological monuments with carved petroglyphs. The investigation revealed that the figurative motifs on the petroglyphs of Cheonjeon-ri, Ulju, may have been carved during the Korean Bronze Age considering other examples of figurative petroglyphs from that period. It is reasonable to assume that the figurative animal motifs on the petroglyphs of Cheonjeon-ri, Ulju were used for rituals of fertility and rebirth as a subsistence ritual during the Korean Bronze Age. The Geomdan-ri Archaeological Culture Type is a strong candidate, having used both petroglyphs of Cheonjeon-ri and those of Bangudae, Ulju, since the Geomdan-ri Archaeological Culture Type has a higher proportion of hunting and fishing and lower proportion of rice cultivation in its subsistence than in the subsistence of the Songguk-ri Archaeological Culture Type. In contrast to the figurative motifs, the abstractive motifs, including the geometric designs on the petroglyphs of Cheonjeon-ri, Ulju, are generally accepted to have been carved during the Bronze Age. Although there have been some disputes over the symbolic meanings of concentric motifs, lozenge motifs, and other geometric motifs, they may be related to rituals for sun worship, ancestor worship, and fertility cults. Their meanings have been continuously reinterpreted.

• Tunnel and Underground Space
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• v.20 no.3
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• pp.194-206
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• 2010

It has been presumed that Bangudae-petrogram and Chunjonri-petrogram have been sculptured along the river Taewha in the prehistoric age. These petrograms have been sculptured on shale, the sedimentary rock of cretaceous in Mesozoic era and have been weathered by wind and rain for around 6000 years, resulting in weathering grade 5. Specially, Bangudae-petrogram has been in submerged zone in Sayeon dam for 168 days a year and the submersion has been repeated for 45 years up to date. This paper adopts an engineering approach to these petrograms' properties and discuss how to enhance strengths of petrograms themselves and stop weathering.

• Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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• v.7 no.1
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• pp.265-276
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• 2017

Korean petroglyphs have been found over a lot of ruins through nation-wide regions including Daegok-ri Bangudae and Cheonjeon-ri in Ulsan. In this paper, we present an information system for Korean petroglyph ruins named KPetro which supports the dedicated camera application and the timeline service. The system provides the services for searching and updating information in various ways over the primary database constructed with the data on petroglyph ruins, which are collected by the Bangudae Petroglyph Institute. In addition, through the camera application developed for the system, users can easily add photos to the appropriate petroglyph ruin according to the GPS information of the location where those photos are taken. Also, the system provides the timeline service showing the photos for a specific petroglyph ruins in order of shooting time. To support both mobile and desktop environments, KPetro provides its functions in a web browser using the HTML5 standard technology and the JavaScript language, enabling the system to be adaptable to various user devices and extendable for its functionalities.

• Korean Journal of Ecology and Environment
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• v.50 no.1
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• pp.126-136
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• 2017

We describe characteristics of diversity and distribution of oak forests on the Daegok-cheon gorge of the Southeastern Korean Peninsula, the oldest prehistoric site, in view of a sort of food resources of acorns. The $Z{\ddot{u}}rich$-Montpellier School's method was adopted for field investigation on the oak dominant stands. A total of 20 phytosociological $relev\acute{e}s$ composed of 193 taxa were analyzed by syntaxonomy and ecological flora. The Daegok-cheon's oak forests occupied 36.9% ($513,374m^2$) of the surveyed area, and its 99% ($507,677m^2$) was Quercus variabilis and Q. serrata stands. Oak forests of the Daegok-cheon gorge are a kind of regional vegetation type characterizing by the high relative net contribution degree (r-NCD) of Platycarya strobilacea and Sapium japonicum, which are an edaphic type of the xerophilous and thermophilic oak forests. The region of the Daegok-cheon petroglyphs is defined as an ecoregion with rich acorn supply and abundant water resources, and the warmer environment, which attracts prehistoric man.