Bayesian Multi-Source Modeling with Legacy Data

Author(s):  
Sayan Ghosh ◽  
Isaac Asher ◽  
Jesper Kristensen ◽  
You Ling ◽  
Kevin Ryan ◽  
...  
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2018 ◽  
Author(s):  
Jess B. Kozman
Keyword(s):  




2016 ◽  
Vol 12 (4) ◽  
pp. 1-23
Author(s):  
Andrew J. Mcpherson ◽  
Vijay Nagarajan ◽  
Susmit Sarkar ◽  
Marcelo Cintra
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2020 ◽  
Vol 115 ◽  
pp. 329-378
Author(s):  
Lisa C. Nevett ◽  
E. Bettina Tsigarida ◽  
Zosia H. Archibald ◽  
David L. Stone ◽  
Bradley A. Ault ◽  
...  

This article argues that a holistic approach to documenting and understanding the physical evidence for individual cities would enhance our ability to address major questions about urbanisation, urbanism, cultural identities and economic processes. At the same time we suggest that providing more comprehensive data-sets concerning Greek cities would represent an important contribution to cross-cultural studies of urban development and urbanism, which have often overlooked relevant evidence from Classical Greece. As an example of the approach we are advocating, we offer detailed discussion of data from the Archaic and Classical city of Olynthos, in the Halkidiki. Six seasons of fieldwork here by the Olynthos Project, together with legacy data from earlier projects by the American School of Classical Studies at Athens and by the Greek Archaeological Service, combine to make this one of the best-documented urban centres surviving from the Greek world. We suggest that the material from the site offers the potential to build up a detailed ‘urban profile’, consisting of an overview of the early development of the community as well as an in-depth picture of the organisation of the Classical settlement. Some aspects of the urban infrastructure can also be quantified, allowing a new assessment of (for example) its demography. This article offers a sample of the kinds of data available and the sorts of questions that can be addressed in constructing such a profile, based on a brief summary of the interim results of fieldwork and data analysis carried out by the Olynthos Project, with a focus on research undertaken during the 2017, 2018 and 2019 seasons.



2021 ◽  
Vol 94 ◽  
pp. 102793
Author(s):  
Valentin Le Bescond ◽  
Arnaud Can ◽  
Pierre Aumond ◽  
Pascal Gastineau


2018 ◽  
Vol 722 ◽  
pp. 447-461 ◽  
Author(s):  
Shengji Wei ◽  
Meng Chen ◽  
Xin Wang ◽  
Robert Graves ◽  
Eric Lindsey ◽  
...  


2014 ◽  
Author(s):  
S. Kulkarni ◽  
I. Golovkin ◽  
J. MacFarlane
Keyword(s):  


Geophysics ◽  
2016 ◽  
Vol 81 (6) ◽  
pp. KS207-KS217 ◽  
Author(s):  
Jeremy D. Pesicek ◽  
Konrad Cieślik ◽  
Marc-André Lambert ◽  
Pedro Carrillo ◽  
Brad Birkelo

We have determined source mechanisms for nine high-quality microseismic events induced during hydraulic fracturing of the Montney Shale in Canada. Seismic data were recorded using a dense regularly spaced grid of sensors at the surface. The design and geometry of the survey are such that the recorded P-wave amplitudes essentially map the upper focal hemisphere, allowing the source mechanism to be interpreted directly from the data. Given the inherent difficulties of computing reliable moment tensors (MTs) from high-frequency microseismic data, the surface amplitude and polarity maps provide important additional confirmation of the source mechanisms. This is especially critical when interpreting non-shear source processes, which are notoriously susceptible to artifacts due to incomplete or inaccurate source modeling. We have found that most of the nine events contain significant non-double-couple (DC) components, as evident in the surface amplitude data and the resulting MT models. Furthermore, we found that source models that are constrained to be purely shear do not explain the data for most events. Thus, even though non-DC components of MTs can often be attributed to modeling artifacts, we argue that they are required by the data in some cases, and can be reliably computed and confidently interpreted under favorable conditions.



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