Hydrothermal areas, microbial mats and sea grass in Paleochori Bay, Milos, Greece

Hydrothermal areas, microbial mats and sea grass in Paleochori Bay, Milos, Greece
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希腊米洛斯岛 Paleochori 湾的热液区、微生物垫和海草

DOI:
10.1080/17445647.2020.1748131
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发表时间:
2020
期刊:
影响因子:
2.2
通讯作者:
Pichler
Pichler
中科院分区:
地球科学3区
文献类型:
--
作者:
Khimasia;Rovere;Pichler

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这项研究提供了1:3300比例尺的地图,涵盖了1.05 平方公里的面积,描绘了希腊米洛斯古乔里湾浅水热液系统的第一张详细地图。利用无人机测量获得的正射影像绘制了海底地图,并使用ArcGIS进行了处理。该地图显示了白色微生物垫子、以前的微生物垫子、海草和深度为15 m的“正常”沙子的分布。使用本地Shapefile和Layer文件生成全面的地图,其中可以获得古生物海湾的任何GPS坐标,从而能够针对特定位置进行数据收集,而不是像过去的做法那样诉诸模糊的场地描述。对潜水员结合全球定位系统坐标进行的海底温度测量绘制了地图,并进行了内插,以评估古乔里湾的温度分布,这反过来又有助于对热液系统的总体了解。
The study presents a 1:3300 scale map, encompassing an area of 1.05 km2, depicting the first detailed map of the shallow-water water hydrothermal system in Paleochori Bay, Milos, Greece. The seafloor was mapped using orthophotos acquired by a drone survey and processed using ArcGIS. The map shows the distribution of white microbial mats, former microbial mats, sea grass and ‘normal’ sand down to a depth of 15 m. Generation of a comprehensive map with native shapefiles and layer files, where any GPS coordinate in Paleochori Bay can be obtained, allows to target specific locations for data collection, rather than resorting to vague site descriptions, as has been the practice in the past. Sea floor temperature measurements carried out by Scuba divers in conjunction with GPS coordinates were mapped and interpolated to evaluate the temperature distribution in Paleochori Bay, which in turn supports the overall understanding of the hydrothermal system.
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