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SEABED CHARACTERISATION AND SLOPE STABILITY DETECTION USING GEOGRAPHIC INFORMATION SYSTEMS (GIS)

机译:使用地理信息系统(GIS)海底表征和边坡稳定性检测

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Seabed characterisation and deep sea sediment stability studies have been stimulated from new questions arising from large infrastructure constructions, which were erected on the continental shelf and in the vicinity of estuaries of industrialised countries or which are still under development. Making detailed sidescan, bathymetry and seismic surveys, including geological sampling, in-situ measurements and quantitative measurements of sediment properties presents therefore a major challenge. However, these data would be ineffectively used and could result in wasted resources, without good systems of data management. Furthermore, the spatial character of environmental problems implies that these data should be geo-referenced in space and in time, organised in layers that can be used to measure, query, analyse, and weigh ecological criterion for study areas. In this context GIS is pertinent to the integration of this multi-disciplinary monitored information with regards to their spatial distribution within a single system. Furthermore, using GIS analytical tools detailed seafloor and sub-bottom sediment characterisation, interpretation of geophysical and geological data sets in terms of hazard assessment, can be carried out to improve slope stability hazard mapping in relation to sediment properties. This paper focuses on the GIS approach designed for the use in seafloor studies in the case of integrating multi-disciplinary data sets of diverse fields.
机译:海底表征和深海沉积物稳定性研究已从大型基础设施建设产生的新问题刺激,这些问题在大陆架和工业化国家的河口附近或仍在开发中。制作详细的侧义,沐浴和地震调查,包括地质采样,原位测量和沉积物的定量测量,因此是一个主要的挑战。但是,这些数据将无效地使用并且可能导致资源浪费资源,而无需良好的数据管理系统。此外,环境问题的空间特征意味着这些数据应在空间和时间内地理学,以可用于测量,查询,分析和称重研究区域的生态标准的层。在这种情况下,GIS与在单个系统内的空间分布方面集成了这种多学科监控信息的集成。此外,使用GIS分析工具详细的海底和次底沉积物表征,在危险评估方面解释地球物理和地质数据集,可以进行,以改善与沉积物特性有关的边坡稳定性危害映射。本文重点介绍了在整合多学科数据集的海底研究中使用的GIS方法。

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