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groups:homestake:agenda [2015/10/25 13:28] – mandicgroups:homestake:agenda [2015/12/11 14:57] (current) – mandic
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 Agenda: Agenda:
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 +{{groups:homestake:workshop_umn201510_vuknotes.pdf|Vuk's notes}}
  
 Friday, 10/23 Friday, 10/23
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 Saturday, 10/24 Saturday, 10/24
-  - Goals with Homestake data (Victor)+  - Goals with Homestake data (Victor): {{groups:homestake:greensfunction_victor.pdf|slides}} and {{groups:homestake:tsai_gji2010.pdf|paper}}
   - Brief overview from Gary: {{groups:homestake:msp2015workshop_pavlis.pdf|slides}}   - Brief overview from Gary: {{groups:homestake:msp2015workshop_pavlis.pdf|slides}}
   - Gary has some analysis code under development to show.  These are tools to visualize and measure three-component particle motions.   - Gary has some analysis code under development to show.  These are tools to visualize and measure three-component particle motions.
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     - may be able to measure body waves directly with underground stations?     - may be able to measure body waves directly with underground stations?
     - Could potentially detect the presence of Love waves.      - Could potentially detect the presence of Love waves. 
 +    - Attempt to compare the noise correlation functions (pseudo-Green's functions) from different periods of time to see if we can resolve temporal or seasonal differences in the structure (i.e.: a difference in fluid content or snowpack weight between summer and winter). 
 +    - test various pre-processing techniques to maximize signal recovery. This may be of relevance for radiometer signal pre-processing too.
     - How does this extend to isotropic GW background? Can you measure the speed of gravitational waves? (Vuk, ...)     - How does this extend to isotropic GW background? Can you measure the speed of gravitational waves? (Vuk, ...)
   - Visualization of the motion (Gary)   - Visualization of the motion (Gary)
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     - how well does the subtraction work at different depth, different frequencies, different filter lengths     - how well does the subtraction work at different depth, different frequencies, different filter lengths
     - how do we determine the optimal array design? Test performance of the filtering after dropping some of the stations     - how do we determine the optimal array design? Test performance of the filtering after dropping some of the stations
 +    - Question: is it possible to use the spatial patterns of signal coherence (or some other misfit metric) to map regions of higher scattering or anisotropy, and/or to determine a weighting scheme for a radiometer or beamforming code?
   - Related to Wiener: how do we measure correlations in an inhomogeneous seismic field? That is, how do we measure/identify local sources, local scattering etc?   - Related to Wiener: how do we measure correlations in an inhomogeneous seismic field? That is, how do we measure/identify local sources, local scattering etc?
     - Use the deep EQ in Japan to estimate the incident and reflected waves, subtract them from data and the residual should carry information about the local scattering...     - Use the deep EQ in Japan to estimate the incident and reflected waves, subtract them from data and the residual should carry information about the local scattering...
groups/homestake/agenda.1445797698.txt.gz · Last modified: 2015/10/25 13:28 by mandic

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