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摘要:
Using satellite data for geological mapping beside saving time and reducing coast leads to increased accuracy. In this study, the result of remote sensing techniques has been compared for manifesting geological units. The study area is limited to 1:25,000 rectangle of Pasab-e-Bala which is located in the northeast of Isfahan and West of Qom-Zefreh fault. This region mainly consists of Devonian and Quaternary sedimentary units. In this study, ASTER and OLI satellite data has been corrected atmospherically and radiometrically. Spectral Analogues method and OLI band combination (652) in RGB image were powerful in distinguishing various rock units. Finally, a new geologic map of the Pasab-e-Bala area was created by integrating the results of remote sensing, previous geological maps and field inspection. It is concluded that the workflow of Landsat 8 image processing, interpretation and ground inspection have a great potential to identify geological formations. According to field data originality, accuracy of the produced map was evaluated through calculating kappa index and overall accuracy and a thematic accuracy of 86% was achieved for geological formations.
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篇名 Lithological Mapping from OLI and ASTER Multispectral Data Using Matched Filtering and Spectral Analogues Techniques in the Pasab-e-Bala Area, Central Iran
来源期刊 地质学期刊(英文) 学科 医学
关键词 GEOLOGICAL Mapping ASTER OLI MF SPECTRAL ANALOGUES Kapa Index THEMATIC Accuracy
年,卷(期) 2017,(10) 所属期刊栏目
研究方向 页码范围 1494-1508
页数 15页 分类号 R73
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研究主题发展历程
节点文献
GEOLOGICAL
Mapping
ASTER
OLI
MF
SPECTRAL
ANALOGUES
Kapa
Index
THEMATIC
Accuracy
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
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期刊影响力
地质学期刊(英文)
月刊
2161-7570
武汉市江夏区汤逊湖北路38号光谷总部空间
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585
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0
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