Quock, Melinda; Schmidt, Amanda H; Corbett, Lee B; Bierman, Paul R; Hidy, Alan J; Caffee, Marc W (2019): Sample preparation and laboratory measurement values for in-situ meteoric Beryllium 10 concentrations before and after Hurricane Maria in Dominica and the percent difference between the two time periods [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.910550, In: Quock, M et al. (2019): Detrital in situ and meteoric Beryllium 10 measurements from samples taken before and after Hurricane Maria in Dominica [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.910131
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Published: 2019 (exact date unknown) • DOI registered: 2022-02-19
Related to:
Quock, Melinda; Schmidt, Amanda H; Corbett, Lee B; Bierman, Paul R; Hidy, Alan J; Caffee, Marc W (2022): Hurricanes alter 10Be concentrations in tropical river sediment but do not change regional erosion rate estimates. Earth Surface Processes and Landforms, https://doi.org/10.1002/esp.5310
Further details:
Nishiizumi, Kunihiko; Imamura, Mineo; Caffee, Marc W; Southon, John R; Finkel, Robert C; McAninch, Jeffrey (2007): Absolute calibration of 10Be AMS standards. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 258(2), 403-413, https://doi.org/10.1016/j.nimb.2007.01.297
Coverage:
Median Latitude: 15.498641 * Median Longitude: -61.353879 * South-bound Latitude: 15.276270 * West-bound Longitude: -61.474840 * North-bound Latitude: 15.593260 * East-bound Longitude: -61.255590
Date/Time Start: 2017-07-01T00:00:00 * Date/Time End: 2018-01-01T00:00:00
Minimum Elevation: 250.0 m * Maximum Elevation: 639.0 m
Event(s):
DM-03 * Latitude: 15.591860 * Longitude: -61.390530 * Elevation: 269.0 m * Location: Dominica Island, Lesser Antilles * Method/Device: Sediment sample (SES)
Comment:
Comments:
1) July 2017 refers to samples collected before Hurricane Maria and January 2018 refers to samples collected after Hurricane Maria.
2) 2017 samples were measured at Lawrence Livermore National Laboratory and 2018 samples were measured at Purdue Rare Isotope Measurement (PRIME) Laboratory. Ratios from both laboratories were normalized against standard 07KNSTD3110 with an assumed ratio of 2.85 x 10^v12 (Nishiizumi et al., 2007).
3) Samples were corrected for backgrounds using 5 blanks (2017 set) and 2 blanks (2018 set) that were processed and analyzed along with the samples. We corrected samples ratios by subtracting the average ratio of the blanks (2017: 6.39 x 10^-16 and 2018: 3.88 x 10^-16). Because the agreement between the blanks was unrealistically close (STDEV = 1.26 x 10^-16 (2017) and 0.10 x 10^-16 (2018), we used a blank uncertainty based on the best possible statistical precision based on the number of 10Be counts (2017: 1.51 x 10^-16 and 2018: 1.37 x 10^-16). Sample uncertainties and blank uncertainties were propagated in quadrature. See doi:10.1594/PANGAEA.918099.
4) Percent difference equals (after-hurricane measurement – before-hurricane measurement)/((after-hurricane measurement + before-hurricane measurement)/2)*100.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Schmidt, Amanda H | Site | ||
| 2 | Comment | Comment | Schmidt, Amanda H | *: Samples replicable within uncertainty | ||
| 3 | DATE/TIME | Date/Time | Schmidt, Amanda H | Geocode – See comment 1) | ||
| 4 | Mass | Mass | g | Schmidt, Amanda H | ||
| 5 | Mass | Mass | µg | Schmidt, Amanda H | Mass of 9Be Added | |
| 6 | Comment | Comment | Schmidt, Amanda H | AMS Cathode Number | ||
| 7 | Beryllium-10/Beryllium-9 | 10Be/9Be | 10-9 atoms/atoms | Schmidt, Amanda H | Uncorrected; See comment 2) | |
| 8 | Beryllium-10/Beryllium-9 ratio, uncertainty | 10Be/9Be unc | ± | Schmidt, Amanda H | Uncorrected; See comment 2) | |
| 9 | Beryllium-10/Beryllium-9 | 10Be/9Be | 10-9 atoms/atoms | Schmidt, Amanda H | Background-Corrected; See comment 3) | |
| 10 | Beryllium-10/Beryllium-9 ratio, uncertainty | 10Be/9Be unc | ± | Schmidt, Amanda H | Background-Corrected; See comment 3) | |
| 11 | Beryllium-10 | 10Be | atoms/g | Schmidt, Amanda H | ||
| 12 | Beryllium-10, uncertainty | 10Be unc | ± | Schmidt, Amanda H | ||
| 13 | Difference | Diff | % | Schmidt, Amanda H | See comment 4) |
Change history:
2022-08-30T08:12:35 – The values of Latitude and Longitude were corrected on request of the authors.
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
191 data points