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Files in this folder include: phase1 and phase2: directories containing input and output for the two simulations that were combined (from phase 1 and phase 2 of the eruption) to generate the deposit file displayed in Fig. 6c. DepositFile_ESRI_ASCII.txt A gridded file in ESRI ASCII format, containing the mass load in kg/m2 throughout the model domain from the combined phase-1 and phase2 eruptions. Header lines in the file indicate the (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx and dy respectively, and (6) the no-data value. Data are written in 10f10.3...
This data release contains results of model simulations of a plume at Kilauea volcano that occurred on 20 December 2020. The ash-poor plume was produced when lava flowed into a water lake at the summit of Kilauea volcano. Simulations were conducted to constrain the conditions under which the plume rose to its observed height. The analysis and results are described in the accompanying paper: Cahalan RC, Mastin L, Van Eaton A, Hurwitz S, Smith AB, Dufek J, Solovitz SA, Patrick M, Schmith J, Parcheta C, Thelen W, Downs DT (2023 (in press)) Dynamics of the December 2020 ash-poor plume formed by lava-water interaction at the summit of Kīlauea Volcano, Hawaiʻi. Geochemistry, Geophysics, Geosystems.
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Kilauea volcano,
Kilauea volcano,
USGS Science Data Catalog (SDC),
Volcanology,
biota,
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced Figure 2c. Format of the input is as described in Mastin et al. (2013). CloudLoad_hhh.hhhrs.dat A series of files, in ESRI ASCII format, containing the cloud mass load at different times in the simulation, indicated by "hhh.hh" in the filename, where "hhh.hh" are the decimal number of hours since the eruption start. These are gridded data of cloud mass load in g/m2. Header lines in the file indicate the: (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx...
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced Figure 2c. Format of the input is as described in Mastin et al. (2013). CloudLoad_hhh.hhhrs.dat A series of files, in ESRI ASCII format, containing the cloud mass load at different times in the simulation, indicated by "hhh.hh" in the filename, where "hhh.hh" are the decimal number of hours since the eruption start. These are gridded data of cloud mass load in g/m2. Header lines in the file indicate the: (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx...
CONTENTS OF THIS DATA RELEASE This data release contains supplementary material to the Geochistry, Geophysics, Geosystems article: "Modeling ash dispersal from future eruptions of Taupo supervolcano", by S.J. Barker et al. This paper uses Ash3d model simulations to calculate the probability of tephra inundation from eruptions of the following sizes: 0.1 km3, 1 km3, 5 km3, 50 km3, and 500 km3. All volume cases were modeled with umbrella cloud formation, with additional Ash3d simulations also run for the case of a 0.1 km3 eruption assuming no development of an umbrella cloud. One thousand model simulations were run for each of these cases. Other source parameters used for these simulations are described in the...
This subdirectory contains data used in Figure 2, including: 1) polygons used to outline the volcanic cloud in Figure 2a 2) Model input and output used for the simulation displayed in Figure 2c. 3) Model input and output used for the simulation displayed in Figure 2d.
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced the phase-1 deposit in Figure 6d. Format of the input is as described in Mastin et al. (2013). DepositFile_ESRI_ASCII.txt A gridded file in ESRI ASCII format, containing the deposit mass load in kg/m2 throughout the model domain. Header lines in the file indicate the (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx and dy respectively, and (6) the no-data value. Data are written in 10f10.3 format, meaning that there are ten numbers per line, each occupying...
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced the phase-1 deposit in Figure 6c. Format of the input is as described in Mastin et al. (2013). DepositFile_ESRI_ASCII.txt A gridded file in ESRI ASCII format, containing the deposit mass load in kg/m2 throughout the model domain. Header lines in the file indicate the (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx and dy respectively, and (6) the no-data value. Data are written in 10f10.3 format, meaning that there are ten numbers per line, each occupying...
Folders in this directory include: Figure6b_model_results: Ash3d model input and output used to generate Figure 6b Figure6c_model_results: Ash3d model input and output used to generate Figure 6c Figure6d_model_results: Ash3d model input and output used to generate Figure 6d
Files in this folder include: hhhh_large.xy or hhhh_small.xy A series of files, in ESRI ASCII format, containing the the longitude and latitude coordinates of cloud outlines shown in Figure 2a. In the file name, "hhhh" refers to the hour (UTC) on February 13, 2014, and "large" or "small" indicates whether this is the larger outline or the smaller one for that time.
Model output to accompany the paper "Comparing Simulations of Umbrella-Cloud Growth and Ash Transport with Observations from Pinatubo, Kelud, and Calbuco Volcanoes", by L.G. Mastin and Alexa Van Eaton, published by the journal Atmosphere. The data release includes model input and output used to generate figures in the paper. Reference:: Mastin, L.G., and Van Eaton, A.R., 2020, Comparing Simulations of Umbrella-Cloud Growth and Ash Transport with Observations from Pinatubo, Kelud, and Calbuco Volcanoes: Atmosphere, v. 11, no. 10, p. 1038. https://www.mdpi.com/2073-4433/11/10/1038
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced the phhase-2 deposit used in Figure 6b. Format of the input is as described in Mastin et al. (2013). DepositFile_ESRI_ASCII.txt A gridded file in ESRI ASCII format, containing the deposit mass load in kg/m2 throughout the model domain. Header lines in the file indicate the (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx and dy respectively, and (6) the no-data value. Data are written in 10f10.3 format, meaning that there are ten numbers per line, each...
Files in this folder contain the polygons defining the cloud outlines in Figure 2a. File names in the format "yyyy.mm.dd_hhhhUTC.csv", where yyyy, mm, dd, and hhhh are the year, month, day, and hour of the outline, in UTC. Files are in .csv (comma separated variable) format.
Categories: Data
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced the phase-2 deposit used in Figure 6d. Format of the input is as described in Mastin et al. (2013). DepositFile_ESRI_ASCII.txt A gridded file in ESRI ASCII format, containing the deposit mass load in kg/m2 throughout the model domain. Header lines in the file indicate the (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx and dy respectively, and (6) the no-data value. Data are written in 10f10.3 format, meaning that there are ten numbers per line, each...
This data release accompanies the publication below, and contains the data used in that publication. Mastin, L.G., Van Eaton, Alexa R., and Cronin, Shane, in press, Did steam boost the height and growth rate of the giant Hunga eruption plume? Bulletin of Volcanology. https://doi.org/10.1007/s00445-024-01749-1 Within this data release are two zip files: --Supplementary_tables.zip contains the supplementary tables that are published in the paper above. --Supplement_S1_Ash3d_output.zip contains model output presented in Supplement S1 of that paper Each zip file contains a readme.txt file explaining the contents
Files in this folder include: phase1 and phase2: directories containing input and output for the two simulations that were combined (from phase 1 and phase 2 of the eruption) to generate the deposit file displayed in Fig. 6b. DepositFile_ESRI_ASCII.txt A gridded file in ESRI ASCII format, containing the mass load in kg/m2 throughout the model domain from the combined phase-1 and phase2 eruptions. Header lines in the file indicate the (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx and dy respectively, and (6) the no-data value. Data are written in 10f10.3...
Folders in this directory include: Figure4a_data ascii files containing lat/lon coordinates of the cloud outlines illustrated in Figure 4a. Figure4c_model_results: Ash3d model input and output used to generate Figure 4c Figure4d_model_results: Ash3d model input and output used to generate Figure 4d
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced the phase-2 deposit in Figure 6c. Format of the input is as described in Mastin et al. (2013). DepositFile_ESRI_ASCII.txt A gridded file in ESRI ASCII format, containing the deposit mass load in kg/m2 throughout the model domain. Header lines in the file indicate the (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx and dy respectively, and (6) the no-data value. Data are written in 10f10.3 format, meaning that there are ten numbers per line, each occupying...
Files in this folder include: ash3d_input.inp The input file used in the Ash3d simulation that produced Figure 2c. Format of the input is as described in Mastin et al. (2013). CloudLoad_hhh.hhhrs.dat A series of files, in ESRI ASCII format, containing the cloud mass load at different times in the simulation, indicated by "hhh.hh" in the filename, where "hhh.hh" are the decimal number of hours since the eruption start. These are gridded data of cloud mass load in g/m2. Header lines in the file indicate the: (1) number of rows, (2) number of columns, (3) longitude of the lower left corner (i.e. the cell center of the lower left cell), (4) latitude of the lower left corner, (5) the cell spacing in dx...
Data in this data release contain model input and output for simulations used to estimate the amount of tephra that could fall on the Hanford nuclear waste repository. The results of that study were written up in the report: Mastin, L.G., Van Eaton, A.E., and Schwaiger, H.F., 2020, A Probabilistic Assessment of Tephra-Fall Hazards at Hanford, Washington, from a Future Eruption of Mount St. Helens. U.S. Geological Survey Open-File Report 2020-1133, 54 pp. That study cites supplementary tables and files, which are included in this data release. The supplementary data are contained in three zip files: 1) "Main_report_supplementary_tables.zip" contains the supplementary tables cited in the main report, along...
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