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中文摘要：
本文在阐述由DLG、DRG、DEM和DOM组成的4D产品的信息特征的基础上,深入分析了“4D”数据在生态环境监测与评价中的功能,包括生态环境的快速动态监测、三维生态景观的直观分析和表达、DLM与DCM相结合的生态模拟、多时空尺度的生态环境分析与评价等。并以云南省生态环境监测与评价为例,研究了其在生态环境监测与评价中的技术流程,并通过案例分析,生成了系列生态环境地图。
英文摘要：
After discussing the basic information characteristics of DLG, DRG, DEM and DOM, this paper gives an in-depth analysis of the function of 4D data in the monitoring and evaluation of eco-environment, including rapid dynamic monitoring of eco-environment, three dimensional displaying of eco-landscape, ecological simulation based on the integration of DLM and DCM, as well as multiple spatial and temporal dimension analysis and evaluation, etc. Then, taking Yunnan province as an example, this paper studied the technical workflow of 4D data integration and joint analysis on eco-environment monitoring and evaluation. As a result, a series of thematic maps on Yunnan eco-environment were produced, showing the advantage of 4D data in this field.
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