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首页> 外文会议>Conference on Sensors, Systems, and Next-Generation Satellites VI Sep 23-26, 2002 Agia Pelagia, Crete, Greece >Use of Landsat TM Images for the Detection of Water Outflows in the Coastal Area of South Attiki Peninsula, Greece
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Use of Landsat TM Images for the Detection of Water Outflows in the Coastal Area of South Attiki Peninsula, Greece

机译：利用Landsat TM图像检测希腊南阿提基半岛沿海地区的水流

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摘要

The objective of this study was to process and integrate Landsat-TM images along with aerial photography, for the identification of water outflows in the coastal area of south Attiki peninsula. Digital image processing of Landsat data facilitated the identification of water outflows. Thermal anomalies have been detected by visual interpretation in the coastal areas. Ai-photographs interpreted to map linear features and analyze the tectonic structure. A DEM along with field geological data used to verify the results and model the information. Water outflow patterns along coastal areas can be seen or inferred from the satellite images. Thermal anomalies due to water outflows have been identified on the FCC of thermal - with mid - infrared bands. These coincide with areas where fresh water outflows or liquid pollution wastes are found. Discharges of thermal waters into the sea have been detected corresponding, mainly, to coastal springs. Combined interpretation of Landsat data with air-photographs identified the main sources of water outflows and the regional tectonic structure. Such data constitute an ideal base for these studies by comparison or superposition with the other data, and effectively monitor changes in regional scales. Regional hydr -geological or geothermic investigations could be helped by the results of this study.
机译：这项研究的目的是处理和整合Landsat-TM影像以及航空摄影，以识别南阿提基半岛沿海地区的水流出。 Landsat数据的数字图像处理有助于识别出水量。通过视觉解释在沿海地区发现了热异常。 AI照片解释为绘制线性特征并分析构造结构。 DEM连同现场地质数据一起用于验证结果和对信息进行建模。可以从卫星图像中看到或推断出沿海地区的水流模式。在中红外波段的热流FCC上已经确定了由于水流出引起的热异常。这些与发现淡水流出或液体污染废物的地区相吻合。已经发现主要是与沿海泉水相对应的热水排入海中。结合对Landsat数据的解释和航空照片，可以确定主要的水源和区域构造结构。通过与其他数据进行比较或叠加，此类数据构成了这些研究的理想基础，并有效地监控了区域规模的变化。这项研究的结果可以帮助进行区域水文地质或地热研究。

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