نتایج جستجو برای: seismology

تعداد نتایج: 1486  

Journal: :Astronomy & Geophysics 2008

Journal: :Frontiers in Earth Science 2020

Journal: :Solid Earth 2023

Abstract. According to 2018 demographic data of the American Geophysical Union Fall Meeting, seismology is among geoscience fields with lowest representation women. To understand whether this reflects more generally, we investigate women's authorship peer-reviewed publications, a key factor in career advancement. Building upon open-source tools for web-scraping, create database bibliographic info...

2009
M. S. Marsh R. W. Walsh

On 2008 January 10, the twin Solar Terrestrial Relations Observatory (STEREO) A and B spacecraft conducted a high time cadence study of the solar corona with the Extreme UltraViolet Imager (EUVI) instruments with the aim of investigating coronal dynamics. Observations of the three-dimensional propagation of waves within active region coronal loops and a measurement of the true coronal slow mode...

Journal: :رادار 0
عاطفه قلی پور بیژن ذاکری خلیل مافی نژاد

source localization is an essential part of array signal processing including radar, sonar, seismology and oceanography applications. the performance of the presented source localization methods are degraded substantially in practical situations. one of the conditions which decreases the performance o

2007
D. C. Braun

We present time-distance analyses of several active regions and a region of quiet Sun observed with the Global Oscillation Network Group (GONG). Analyzing temporal correlations between the p-mode oscillation signal observed within the sunspots with the signals integrated within surrounding annuli, we connrm the recent nding of Duvall and his colleagues that travel times (+) for outward propagat...

2001
T. S. Metcalfe

For many years, astronomers have promised that the study of pulsating white dwarfs would ultimately lead to useful information about the physics of matter under extreme conditions of temperature and pressure. We can now make good on that promise. Using observational data from the Whole Earth Telescope and a new analysis method employing a genetic algorithm, we empirically determine the central ...

1999
Y. Y. KAGAN

Our purpose is to analyze the causes of recent failures in earthquake forecasting, as well as the difficulties in earthquake investigation. We then propose that more rigorous methods are necessary in earthquake seismology research. First, we discuss the failures of direct earthquake forecasts and the poor quantitative predictive power of theoretical and computer simulation methods in explaining...

Journal: :Journal of theoretical biology 2007
Peter Hinow Erik M Boczko

The density profile of an elastic fiber like DNA will change in space and time as ligands associate with it. This observation affords a new direction in single molecule studies provided that density profiles can be measured in space and time. In fact, this is precisely the objective of seismology, where the mathematics of inverse problems have been employed with success. We argue that inverse p...

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