先进星载热发射和反射辐射仪(ASTER)的特点及应用  

Characteristics and Applications of ASTER

作　　者：郭亚东[1] 史舟[1] 

机构地区：[1]浙江大学农业遥感与信息技术应用研究所,浙江杭州310029

出　　处：《遥感技术与应用》2003年第5期346-352,共7页Remote Sensing Technology and Application

基　　金：国家自然科学基金(40001008);中德合作项目(BMBF-AZ39742)资助。

摘　　要：简要介绍了ASTER的性能及技术参数,通过与其它传感器(如ETM+)进行比较分析,得出ASTER存在的几大优势,归纳出其目前的应用和研究领域,包括冰川学、火山学、地质学、水文学、农业、城镇变化、自然灾害、气候变化和DEM的生成与应用等,并讨论了其尚需改进的地方。The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is an advanced multispectral imager provided by the ministry of International Trade and Industry (MITI), Japan launched on NASA's Earth Observing System morning (EOS-AM1) platform in Dec 18th,1999.It is one of the five state-of-the-art instrument sensor systems on-board Terra with a unique combination of wide spectral coverage and high spatial resolution in the visible near-infrared through shortwave infrared to the thermal infrared regions. With its capability to schedule on-demand data acquisition requests , ASTER is expected to contribute to a wide array of global change-related application areas since its data collection in September,2000 .In this paper, the characteristics of ASTER and its advantages compared with other sensors (e.g. ETM+) were introduced firstly:①Multispectral thermal infrared data of high spatial resolution; ②Highest spatial resolution surface spectral reflectance, temperature, and emissivity data within the Terra instrument suite; ③The Visible Near Infra-Red (VNIR) telescope's backward viewing band for high-resolution along-track stereoscopic observation. Then the present situation in research and application fields of ASTER data, including glacier, vocanology, geology, hydrology, agriculture, urban change, nature hazard, climate change and DEM, were summarized respectively. Finally, the future improvement in ASTER was discussed.

关 键 词：ASTER 多光谱 高分辨率 立体观察 DEM 

分 类 号：TP73[自动化与计算机技术—检测技术与自动化装置]