ASTER 遥感数据蚀变遥感异常提取研究 - 地球学报.PDF

Vol.30 No.2 : 271-276 Acta Geoscientica Sinica Apr. 2009: 271-276 www.地球学报.com ASTER 1) 1) 1) 2) , , , 1), 050021 2), 050021 摘 要: ETM+/TM , ASTER( )USGS , ASTER , ASTER Mg-OHAl-OHCO32−Fe3+ () 4 (), , , (), ASTER 4 () 关键词: ASTER 中图分类号: P627 文献标志码: A 文章编号: 1006-3021(2009)02-271-06 Alteration Remote Sensing Anomaly Extraction Based on Aster Remote Sensing Data S LV Feng-jun1), HAO Yue-sheng1), SHI Jing1), WANG Juan2) G 1) Center of Hebei Remote Sensing, Shijiazhuang, Heibei 050021; 2) Heibei Province hydrogeology survey institute , Shijiazhuang, Heibei 050021 A Abstract: Mineralization alteration remote sensing anomaly has been perfected based on ETM+/TM data, but al- teration remote sensing anomaly extraction achievement is very poor based on ASTER(Advanced Spaceborne Thermal Emission and Reflection Radiometer) remote sensing data. In the study, we have rebulit alteration miner- C alization spectral curves on ASTER remote sensing data based on representative alteration minerals reflectivity data in USGS standard spectral database. We think that four types ions informa