TITLE

Dataset for Controls on the frequency content of near-source infrasound at open-vent volcanoes: A case study from Villarrica Volcano, Chile


IDENTIFIER

https://doi.org/10.18122/infrasound_data.8.boisestate


SUMMARY AND PURPOSE

Villarrica is known to produce continuous monotonic infrasound making it a prime subject for volcano infrasound studies. This dataset corresponds to a distribution of 20 sensors deployed across Villarrica's summit during a week in January 2020. Seventeen sensors were placed on the ground, and three were cabled across the summit. Specific station information can be found within the hdr of each file.

This dataset is used within the Bulletin of Volcanology published document: "Controls on the frequency content of near-source infrasound at open-vent volcanoes: A case study from Villarrica Volcano, Chile"


CREATOR(S)

Bryan B. Rosenblatt, Boise State University, ORCID: 0000-0002-1549-765X
Jeffrey B. Johnson, Boise State University, ORCID: 0000-0003-4179-8592
Jacob Anderson, Boise State University, ORCID: 0000-0001-6447-6778
Keehoon Kim, Lawrence Livermore National Lab, ORCID: 0000-0002-8635-0428
Scott J. Gauvain, Boise State University, ORCID: 0000-0001-7676-5585


DATE OF DATA COLLECTION

01/13/2020 - 01/18/2020


FILE FORMATS 

MATLAB .mat data files

DATA ATTRIBUTES

Data was recorded on Gem Infrasound Loggers, developed by Jake Anderson, which recorded with a sensitivity of 2.077962e-05 V/Pa, a 26 second corner period, and a sample rate of 100 Hz.

There are a total of 107 data files (in .mat). Each file contains a vector of raw data (counts) and a time vector (serial date number; Jan. 1, 0000 UTC reference). Each file contains the following hdr information: 

experiment: name of the experiment
station_name: name of the station
date: starting date and time for the file (UTC)
llzs_coords: [longitude latitude elevation]
sps: sample rate (100 hz)
ac_calib: calibration factor. Multiply raw data by this factor to convert units to Pascals
ac_calib_type: Units of calibration factor (Pa/count) 
filter_type: indicates if a filter has been applied
npt: total number of data points within the file

Each file is labeled with the following convention:

Stationname_MMDDHHSS.mat  >>  (ex. s010_01130000.mat)


RIGHTS OR LICENSING INFORMATION 

Users are free to share, copy, distribute and use the dataset; to create or produce works from the dataset; to adapt, modify, transform and build upon the dataset as long as the user attributes any public use of the dataset, or works produced from the dataset, referencing the author(s) and DOI link. For any use or redistribution of the dataset, or works produced from it, the user must make clear to others the license of the dataset and keep intact any notices on the original dataset


FUNDER CITATION 

National Science Foundation Grant EAR-1830976