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| groups:homestake:meetings:20171018 [2017/10/18 11:16] – mandic | groups:homestake:meetings:20171018 [2017/10/18 11:34] (current) – mandic | ||
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| Agenda: | Agenda: | ||
| - | * Next Meeting: | + | * Next Meeting: |
| * Data analysis topics | * Data analysis topics | ||
| * Data corrections, | * Data corrections, | ||
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| * Radiometer updates (Pat, Andrew) | * Radiometer updates (Pat, Andrew) | ||
| * Pat posted some results: http:// | * Pat posted some results: http:// | ||
| - | * looking at the transverse to vertical phase, to find the Rayleigh wave (90 degree phase) | + | * looking at the transverse to vertical phase, to find the Rayleigh wave (90 degree phase). |
| + | * tried to run the radiometer on the data around 1.5 Hz, which seems to be coming from a direction about 68 degrees east of north. Find that radiometer gives 22 degrees north of east, which seems consistent. Some concerns: the data at this frequency has periodic turn ons/offs, so it may be local, in which case the waves would not be plane waves. | ||
| + | * Looked at earthquakes too, but not ready to present. | ||
| + | * Plan to present at the next meeting, will try to have some slides with applications to different data. | ||
| * Parameter estimation for Rayleigh and Love (Pat) | * Parameter estimation for Rayleigh and Love (Pat) | ||
| * Teleseismic events and Wiener filtering (Daniel, Michael) | * Teleseismic events and Wiener filtering (Daniel, Michael) | ||
| * Very-long-periods (Ross) | * Very-long-periods (Ross) | ||
| - | * Circulated a figure comparing power in Homestake and Pinon flat arrays. Up to 1000x better noise in the Homestake array at 2mHz, depending on the frequency. | + | * Circulated a figure comparing power in Homestake and Pinon flat arrays. Up to 1000x better noise in the Homestake array at 2mHz, depending on the frequency. |
| * Will use this for the methods paper, didn't see the very long periods in the Pinon Flats. Will use to demonstrate why Homestake data can reveal these periods. | * Will use this for the methods paper, didn't see the very long periods in the Pinon Flats. Will use to demonstrate why Homestake data can reveal these periods. | ||
| + | * Method paper is nearly done, will also write a results paper | ||
| * Velocity from noise correlations (Daniel) | * Velocity from noise correlations (Daniel) | ||
| * Model selection? | * Model selection? | ||
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| * Leads: Vuk, Gary, Victor | * Leads: Vuk, Gary, Victor | ||
| * target: Seism. Research Lett., 6000 words, 10 figures. | * target: Seism. Research Lett., 6000 words, 10 figures. | ||
| + | * Paper should be in a very mature state. Vuk will take another look, check emails from Gary, and if there are no issues will submit. | ||
| * Active excitation overview paper | * Active excitation overview paper | ||
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| * Wiener filter application | * Wiener filter application | ||
| * Leads: Jan, Michael | * Leads: Jan, Michael | ||
| - | * Aim for late August. | + | * Michael with check with Jan, there may be more work to be done on it before circulation. |
| * Teleseismic EQs and near-surface scattering | * Teleseismic EQs and near-surface scattering | ||