| 敦煌市文物古迹的沙漠化环境 |
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| 引用本文： | 王晓云,颉耀文,吴莹莹. 敦煌市文物古迹的沙漠化环境[J]. 兰州大学学报(自然科学版), 2009, 45(3) |
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| 作者姓名： | 王晓云 颉耀文 吴莹莹 |
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| 作者单位： | 兰州大学西部环境教育部重点实验室中德干旱环境联合研究中心,兰州,730000;兰州大学西部环境教育部重点实验室中德干旱环境联合研究中心,兰州,730000;兰州大学西部环境教育部重点实验室中德干旱环境联合研究中心,兰州,730000 |
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| 摘 要： | 采用人机交互目视解泽的方式对敦煌市土地沙漠化的现状进行调查,将土地沙漠化图与文物古迹分布图叠置,对敦煌市文物古迹的沙漠化环境进行考察.结果显示:敦煌市沙漠化土地占全市总面积的28.49%,其中中度与重度占65%,沙漠化程度相当严重;沙漠化已经对境内的文物古迹造成严重危害或威胁,其中莫高窟和寿昌城遗址直接处于重度沙漠化地带,阳关和玉门关遗址处于中度沙漠化地带,而悬泉置遗址、西千佛洞、河仓古城、马圈湾遗址以及汉长城大部等处于轻度沙漠化地带.
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| 关 键 词： | 文物古迹 沙漠化 遥感 地理信息系统 敦煌市 |
Impact of desertification on cultural relics in Dunhuang City |
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| WANG Xiao-yun,XIE Yao-wen,WU Ying-ying. Impact of desertification on cultural relics in Dunhuang City[J]. Journal of Lanzhou University(Natural Science), 2009, 45(3) |
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| Authors: | WANG Xiao-yun XIE Yao-wen WU Ying-ying |
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| Affiliation: | Center for Arid Environment and Paleoclimate Research;Key Laboratory of Western China's Environmental System with the Ministry of Education;Lanzhou University;Lanzhou 730000;China |
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| Abstract: | Based on Landsat TM images,fieldwork,cultural relics map,digital terrain model and other data, RS and GIS technologies were used to investigate the status of desertification in Dunhuang with interactive interpretation method,after the establishment of the classification system of desertification and interpretation keys.In the end,the desertification status map was produced and the impacts of desertification on cultural relics were analyzed,with the result that the area of desertification land in Dunhuang ha... |
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| Keywords: | cultural relic desertification remote sensing geography information system Dunhuang City |
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