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NTIS 바로가기자원환경지질 = Economic and environmental geology, v.48 no.4, 2015년, pp.325 - 335
정용식 (충남대학교 우주.지질학과) , 유재형 (충남대학교 지질환경과학과) , 고상모 (한국지질자원연구원 광물자원연구본부) , 허철호 (한국지질자원연구원 광물자원연구본부)
This study examined the possibility to extract potential alteration zones and lithologic information based on ASTER band ratio techniques for mineralized area located in
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핵심어 | 질문 | 논문에서 추출한 답변 |
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오보르항가이의 지리적 특징은 무엇인가? | 연구지역인 오보르항가이는 몽골의 수도인 울란바토르로부터 약 310 km 떨어져 있으며, 지리적 좌표는 몽골 중부의 북위 46°29'34.66", 동경 103°13'44.54" 부근에 위치한다(Fig. 1). Fig. 1. | |
ASTER의 밴드 구성 및 공간해상도는 어떠한가? | , 2002). ASTER 밴드는 0.52~0.86 µm 파장역역을 포함하는 가시-근적외선(visible-near infrared, VNIR), 1.6~2.43 µm 파장영역을 포함하는 단파적외선 (shortwave infrared, SWIR), 8.125~11.65 µm 파장 영역을 포함하는 열적외선(thermal infrared, TIR)으로 구성되어 있으며, 총 15개의 밴드영상이 각각 15 m, 30 m, 90 m에 해당하는 60 × 60 km 관측 폭의 공간해상도를 제공한다(Abrams et al., 2002). | |
ASTER 영상의 crosstalk 현상을 보정하는 전처리과정이 필수적인 이유는 무엇인가? | , 2014). 특히, 영상자료 내에서 분광학적 특성을 활용해 광물 및 암석을 정확하게 구분해 내기 위해서는 SWIR 영역에서 나타나는 분광특성이 매우 중요한 단서로 여겨질 수 있기 때문에, crosstalk 현상을 보정하는 전처리과정은 필수적이다. 본 연구에서는 ASTER Level 1B 영상자료를 대상으로 ERSDAC(http://gds. |
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Son, Y.S., Kang, M.Y. and Yoon, W.J. (2011) Study of the Pyrophyllite Deposit Characteristics in Nohwa-do Using ASTER Image. The Korean Society of Mineral and Energy Resources Engineers, v.48(3), p.335-350.
Son, Y.S., Kang, M.Y. and Yoon, W.J. (2012) Regional Mapping of Alteration of the Oyu Tolgoi Cu-Au Deposit in Molgolia Using Band Math Method with ASTER Image. The Korean Society of Mineral and Energy Resources Engineers, v.49(2), p.157-165.
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