АНАЛИЗ ЦВЕТОВЫХ ПОКАЗАТЕЛЕЙ CIELAB КРАСНОАНГОБИРОВАННОЙ КЕРАМИКИ ДРЕВНЕГО КОКАНДА
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DOI:
https://doi.org/10.47526/3136-9650.383Keywords:
CIELAB, красный ангоб, керамика, колориметрия, Тепакурган, I–VI вв. н.э., Ферганская долина, кушанская эпоха.Abstract
An analysis of the CIELAB color parameters of 133 samples of red-slipped ceramics dating to the 1st–6th centuries CE and discovered at the Tepaqo‘rg‘on archaeological site, located in the central part of Kokand, Fergana Region, Republic of Uzbekistan, was conducted. Color measurements were performed under natural lighting conditions using a Linshang LS171 portable colorimeter (8 mm aperture, D/8° measurement geometry). Each sample was measured at three points on the preserved slipped surface, and the mean values of L*, a*, and b* were used for the analysis. Based on stratigraphic observations, the ceramic material was divided into five chronological periods. The results demonstrated the persistence of the tradition of applying red slip throughout all the periods under consideration; however, periodic changes in color intensity and surface lightness were identified. The highest a* values were recorded in the second period (2nd–early 3rd centuries CE), indicating the highest saturation of the red slip. This phenomenon may be associated with improvements in firing technologies during the Kushan period. Fluctuations in color parameters during the subsequent periods were probably related to changes in raw material sources or firing conditions. The study demonstrates the effectiveness of CIELAB colorimetry as a method for quantitatively assessing color characteristics and identifying their chronological dynamics in archaeological ceramics from Central Asia.
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