【摘要】：敦煌莫高窟的部分壁畫受到起甲、酥堿、皰疹等多種病害的破壞,病害的產(chǎn)生與崖體中鹽分的運移有關(guān),深入研究莫高窟崖體砂礫巖中鹽分分布特征,對科學(xué)防治莫高窟壁畫病害具有重要意義。通過對莫高窟第108窟西壁崖體砂礫巖中鹽分和莫高窟崖體頂部以下20m深度范圍內(nèi)鹽分調(diào)查,發(fā)現(xiàn)莫高窟崖體砂礫巖中鹽分種類主要為硫酸鹽和氯鹽。整個崖體砂礫巖中鹽分在大范圍內(nèi)分布較均勻,但在臨空面出現(xiàn)了鹽分集聚現(xiàn)象,在洞窟西壁和崖體頂部以下0.5m深度范圍內(nèi)鹽分含量很高,平均為2.0%,最高為3.5%。本文首次從較深范圍內(nèi)對莫高窟崖體砂礫巖中鹽分的分布特征進行了研究,這為以后莫高窟壁畫鹽害分析研究提供重要的數(shù)據(jù)支持。
[Abstract]:Some murals of Mogao Grottoes in Dunhuang were damaged by many diseases, such as A, soda, herpes, and so on. The occurrence of the diseases is related to the salt movement in the cliffs. The distribution characteristics of salt in the gravelly rocks of the cliffs of the Mogao Grottoes are deeply studied. It is of great significance for scientific prevention and treatment of murals in Mogao Grottoes. Through the investigation of salt in the sand gravel rock of West Wall Cliff of Mogao Grottoes 108 and in the depth of 20 m below the top of Mogao Grottoes, it is found that the salt species in the grit rock of Mogao Grottoes are mainly sulfate and chloride salt. The distribution of salt in the sand and gravel rock of the whole cliff body is relatively uniform in a large area, but there is a phenomenon of salt concentration on the face of the hollow. The salt content in the west wall of the cave and in the depth of 0.5 m below the top of the cliff body is very high, with an average salt content of 2.0. The highest value is 3.5. In this paper, the distribution characteristics of salt in grit rock of Mogao Grottoes are studied in depth for the first time, which provides important data support for the analysis of salt damage of murals in Mogao Grottoes in the future.
【作者單位】： 西北大學(xué)文化遺產(chǎn)學(xué)院;國家古代壁畫與土遺址保護工程技術(shù)研究中心;敦煌研究院;
【基金】：國家科技支撐計劃資助項目(2013BAK01B01) 甘肅省青年科技基金計劃資助項目(1506RJYF134)
【分類號】：K879.21
，

本文編號：2348605