Site characterization in the Vega Baja, SE Spain, using ambient-noise H/V analysis

M. García-Fernández; M. J. Jiménez

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Site characterization in the Vega Baja, SE Spain, using ambient-noise H/V analysis

机译：使用环境噪声H / V分析在西班牙SE Vega Baja进行现场表征

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New available geological, geotechnical, and geophysical data and new acquired ambient-noise surveys allowed for a detailed characterization of the soils in the Vega Baja region, located in the Lower Segura River basin, SE of the Iberian Peninsula. Single-station measurements were carried out at 90 sites, mainly over the central area of the basin, checking reproducibility by repeating some measurements under different conditions, on different dates, and through different acquisition systems, following well established standard procedures. The detailed data processing and analysis of the new acquired ambient-noise records provided the identification of multiple peaks in some of the horizontal-to-vertical spectral ratio curves, representing different impedance contrasts at depth that were 1D modelled to characterize the Vega Baja soils in terms of resonant frequencies, average shear-wave velocity, thickness of the different soil units, depth to the engineering bedrock and depth to the rock units when the model includes it. The depth to the engineering bedrock is around 30 m in the central part of the region, reaching maximum values of about 50 m in the north and to the east. Maximum values of the shear-wave velocity averaged over the soil units are close to 200 m/s while that averaged in the top 30 m reach values around 300 m/s south of the river bank. Contour mapping and cross-sections of the obtained model parameters illustrate the soil characteristics over the region, providing relevant information for the generation of representative sets of seismic hazard scenarios at different probability levels in future studies for their application in risk mitigation and emergency planning in the Vega Baja.

机译：新的可用地质，岩土工程和地球物理数据，以及新获得的环境噪声调查数据，可以对位于伊比利亚半岛东南部塞古拉河下游盆地Vega Baja地区的土壤进行详细表征。单站测量主要在流域中心区域的90个地点进行，并按照公认的标准程序，通过在不同条件下，在不同日期，通过不同采集系统重复进行一些测量来检查可重复性。详细的数据处理和对新获得的环境噪声记录的分析提供了一些水平-垂直光谱比曲线中多个峰的识别，这些峰代表了在深度上不同的阻抗对比，这些阻抗对比被一维建模以表征Vega Baja土壤。包括共振频率，平均剪切波速度，不同土壤单元的厚度，工程基岩的深度和模型中岩石单元的深度。工程基岩的深度在该区域的中部大约30 m，在北部和东部达到最大值约50 m。在土壤单元上平均的剪切波速度最大值接近200 m / s，而在前30 m处平均的剪切波速度最大值在河岸以南300 m / s左右。等高线图和获得的模型参数的横截面说明了该地区的土壤特征，为在未来研究中生成具有不同概率水平的代表性地震灾害场景集提供了相关信息，以将其应用到风险缓解和应急计划中。维加·巴哈（Vega Baja）。

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《Bulletin of Earthquake Engineering》 |2012年第4期|p.1163-1191|共29页
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M. García-Fernández; M. J. Jiménez;
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1. Site characterization in the Vega Baja, SE Spain, using ambient-noise H/V analysis [J] . García-Fernández M., Jiménez M.J. Bulletin of earthquake engineering . 2012,第4期

机译：使用环境噪声H / V分析在西班牙SE Vega Baja进行现场表征
2. Path effects and local elastic site amplification: two case studies on Mt Etna (Italy) and Vega Baja (SE Spain) [J] . Scarfi Luciano, Langer Horst, Garcia-Fernandez Mariano, Bulletin of earthquake engineering . 2016,第7期

机译：路径效应和局部弹性位点放大：意大利埃特纳火山和西班牙维加巴哈的两个案例研究
3. Preconsolidation stress in the Vega Baja and Media areas of the River Segura (SE Spain): Causes and relationship with piezometric level changes [J] . R. Tomas, C. Domenech, A. Mira Engineering Geology . 2007,第2a4期

机译：塞古拉河（SE西班牙）的Vega Baja和Media地区的预固结应力：与测压高度变化的原因和关系
4. Characterization of the leachate produced in the closed cells of a landfill site at Alhendin (Granada, Spain) [C] . A. Galvez, A. Ramos, M. L. Rodriguez International Conference on Waste Management and Environment . 2008

机译：在Alhendin（格拉纳达，西班牙）垃圾填埋场封闭网站中产生的渗滤液的表征
5. Sensitivity Tests Between Vs30 and Detailed Shear Wave Profiles Using 1D and 3D Site Response Analysis, Las Vegas Valley. [D] . West, Loyd Travis. 2017

机译：使用1D和3D站点响应分析，在拉斯维加斯谷进行Vs30和详细的剪切波剖面之间的敏感性测试。
6. Hemostasis Thrombosis and Vascular Biology: Identification of 31 novel mutations in the F8 gene in Spanish hemophilia A patients: structural analysis of 20 missense mutations suggests new intermolecular binding sites [O] . Adoración Venceslá, María Ángeles Corral-Rodríguez, Manel Baena, -1

机译：止血血栓形成和血管生物学：鉴定西班牙血友病A患者F8基因中的31个新突变：对20个错义突变的结构分析表明存在新的分子间结合位点
7. : "This paper deals with the functionality of the flaked stone assemblages from several Neolithic sites of the NE of the Iberian Peninsula. The chronological framework ranges from the mid-6th to the mid-4th millennium cal. BCE, which corresponds to the Early and Middle Neolithic. This long period ranges from the arrival of the first farming communities in the Iberian Peninsula, around 5600-5500 cal. BCE, to 3600-3500 cal. BCE, two millennia later, when Neolithic communities had stably occupied most of the available territory, from the mountainous areas of the Pyrenees to the coastal areas of the Mediterranean.In this context, the NE of the Iberian Peninsula is one of the areas where a major number of use-wear analyses have been carried out, especially for what concerns the Neolithic period. This is mainly due to the interest shown by the directors of the excavations and by the Spanish use-wear specialists as well; both participated and cooperated in order to enlarge the number of contexts studied, making the NE of the Iberian Peninsula one of the areas of Europe with the largest number of ‘functional studies’. As a result, today we have a reliable picture of the type of lithic tools used by the first farming groups, how they were used, and which needs they were satisfying.The methodology employed for this type of analysis is today broadly shared by most use-wear specialists. A stereoscopic microscope is used together with a reflected-light microscope for the analysis of the archaeological specimens. Afterwards, the observed use-wear traces are compared with the traces from experimental tools. This study primarily made use of the tools preserved at the ‘Traceoteque’ of the Institución Milà y Fontanals of the CSIC of Barcelona.This paper presents the results obtained for the different types of analysed sites and the relative lithic assemblages. In this way, tools from different contexts are compared: open-air sites, caves and rock-shelters, pit-sites, burials, and mining sites. Such a diversity of contexts allowed for the exploration of the existence of recurrences and differences in the functionality of the lithic tools from one site to another. The results obtained have also provided information on some aspects related to the economic processes carried out at the different sites, caves, rock-shelters and open-air contexts. It has been possible to gain fresh data on the types of tasks carried out and their relative importance for each site, their relation with the geographical and environmental context and the natural resources available there. In addition, analysing tools recovered from burials – mainly individual inhumations – provided information on the relationships between the buried individuals and the working tools, in particular exploring the relationships between sex and age patterns and the types of tools deposited as goods.In conclusion, use-wear analysis allowed for the exploration of a variety of issues; from technical aspects related to the production and management of the lithic resources to social aspects related to the subsistence activities and the individuals that carried them out." [O] . Gibaja Bao, Juan Francisco, Mazzucco, Niccolo 2015

机译：：“本文研究了伊比利亚半岛东北部几个新石器时代遗址的片状石材组合的功能。时间框架从公元前6世纪中叶到4世纪中叶，分别对应于早期和早期。新石器时代中期，这段时间的长短是从伊比利亚半岛的第一个农业社区到来，大约在公元前5600-5500 cal，到了两千年后的3600-3500 BCE，当时新石器时代的社区稳定地占据了大部分可用土地。从比利牛斯山脉山区到地中海沿岸地区。在这种情况下，伊比利亚半岛东北部是进行过大量使用磨损分析的地区之一，尤其是在关注方面新石器时代，这主要是由于发掘负责人和西班牙使用服装专家表现出的浓厚兴趣；他们参与和合作以扩大孔蒂的数量xts进行了研究，使伊比利亚半岛的NE成为“功能研究”数量最多的欧洲地区之一。结果，今天我们可以可靠地了解第一批耕作小组使用的石器工具的类型，使用方法以及它们满足的需求。今天，大多数使用方法广泛共享用于这种类型的分析的方法穿专家。立体显微镜与反射光显微镜一起用于分析考古样本。然后，将观察到的使用磨损痕迹与实验工具的痕迹进行比较。这项研究主要利用了巴塞罗那CSIC的米拉·丰塔纳尔研究所的“ Traceoteque”中保存的工具。本文介绍了针对不同类型的分析地点和相对石器组合所获得的结果。通过这种方式，可以比较来自不同环境的工具：露天场所，洞穴和岩石避难所，露天场所，埋葬场所和采矿场所。如此多样的上下文允许探索重复性的存在以及从一个站点到另一个站点的石器工具的功能差异。所获得的结果还提供了与在不同地点，洞穴，避难所和露天环境中进行的经济过程有关的某些方面的信息。可以获得有关所执行任务的类型及其对每个站点的相对重要性，它们与地理和环境环境以及那里可用自然资源的关系的新数据。此外，对从墓葬中回收的工具（主要是个人遗体）进行分析，可提供有关被掩埋的个体与工作工具之间关系的信息，尤其是探索性别与年龄模式之间的关系以及作为商品存放的工具的类型。磨损分析允许探索各种问题；从与石器资源的生产和管理有关的技术方面到与自给活动及其实施者有关的社会方面。”
8. Health Consultation: Vega Baja Solid Waste Disposal Site Assessment of Organic and Inorganic Chemicals in the Drainage Ditch's Sediment, Vega Baja, Puerto Rico. EPA Facility ID: PRD980512669 (February 26, 2005) [R] . 2005

机译：健康咨询：Vega Baja固体废物处理场评估排水沟沉积物中的有机和无机化学品，Vega Baja，波多黎各。 Epa设施编号：pRD980512669（2005年2月26日）

Site characterization in the Vega Baja, SE Spain, using ambient-noise H/V analysis

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