高分辨率遙感在西藏羅布莎地區(qū)地質(zhì)調(diào)查中的應(yīng)用
[Abstract]:The study area is located in the Luobusa area of Tibet, and its robusa ophiolite deposit contains the largest chromite deposit in China at present. Taking WorldView-2 high spatial resolution remote sensing data as the basic information source, the remote sensing geological interpretation of the study area is carried out. Compared with the conventional multispectral data, ETM / ASTER has a higher spatial resolution and a relatively narrow and continuous spectrum. After positive emendation, atmospheric correction and image fusion of WorldView-2 images in the study area, the best exponent method was used to select 8-6-4 band combination for pseudocolor synthesis, and the true color 5-3-2 band was combined to highlight the hue differences of plastid units in different regions. We make use of its spatial resolution advantage to establish the high spatial resolution remote sensing interpretation mark of the main lithology and structure in the area. Through the field geological verification, the interpretation results fully show the technical advantages and application prospects of WorldView-2 high-resolution images in the areas of high altitude and poor working environment for mineral resources exploration.
【作者單位】: 中國(guó)地質(zhì)大學(xué)(北京)地球科學(xué)與資源學(xué)院;中國(guó)地質(zhì)大學(xué)地質(zhì)過(guò)程與礦產(chǎn)資源國(guó)家重點(diǎn)實(shí)驗(yàn)室;西藏自治區(qū)地質(zhì)礦產(chǎn)勘查開(kāi)發(fā)局第二地質(zhì)大隊(duì);山東省地礦工程勘察院;
【基金】:中國(guó)地質(zhì)調(diào)查局發(fā)展研究中心項(xiàng)目(121201004000150017-101)
【分類號(hào)】:P627
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