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2013年6月,吴哥世界遗产管理局(简称“APSARA”)与联合国教科文组织国际自然与文化遗产空间技术中心(简称“HIST”)签署协议,开展“吴哥环境遥感”项目合作,以有效阻止库仑山原始森林生态环境进一步恶化,防止城市过度扩张和水资源过度开采,避免地面发生沉降。合作项目利用多时相多源的空间影像数据,对吴哥世界文化遗产地周边环境进行了基于空间影像分类的土地利用变化分析,发现了诸如森林砍伐、城市扩张等问题。采用长时间序列多极化的雷达遥感数据,结合其他长期观测数据,综合研究了吴哥遗产地及其周边地表形变与地下水位、地质结构等因素的关系。号称“天眼”的遥感技术具有大尺度、周期短、时间序列长、成本低等诸多优势,将其应用于文化遗产监测与保护,可弥补传统技术的不足,为遗产地管理者提供更加方便、直观、系统的数据与技术支持。
In June 2013, the Angkor World Heritage Administration (“APSARA”) signed an agreement with UNESCO’s International Center for Space Science and Technology (“HIST”) for “Remote Sensing of Angkor Environment ”Project to effectively prevent further deterioration of the ecological environment of the primeval forest of Clun Mountain, to prevent over-expansion of the city and over-exploitation of water resources, and to prevent settlement on the ground. The collaborative project uses multi-temporal and multi-source spatial image data to conduct land-use change analysis based on space image classification of the surroundings of Angkor World Cultural Heritage sites and found issues such as deforestation and urban expansion. Long-time series multi-polarization radar remote sensing data and other long-term observation data were used to comprehensively study the relationship between surface deformation and groundwater level, geological structure and other factors in Angkor heritage sites and their surrounding areas. The remote sensing technology, which is called “Tian’anye”, has many advantages such as large scale, short period, long time series and low cost. It can be applied to cultural heritage monitoring and protection, which can make up for the deficiency of traditional technology and provide more Convenient, intuitive, systematic data and technical support.