Low-level beta detectors manufactured by Riso (now Nutech) in Denmark. These instruments accept samples that can be mounted on a 25mm filter holder. These detectors have very low backgrounds, 0.17 counts per minute, and can have counting efficiencies as high as 55%.
Dataset Name | Brief Description |
---|---|
234Th Flux | 234Th flux in epipelagic waters of Station Aloha and the Equatorial North Pacific |
Bedford Basin 2019 - Seawater | Bedford Basin 2019 - Seawater |
GN01 Thorium-234 and Thorium-228 | Activities of size-fractionated particulate thorium isotopes and total Thorium-234 |
GP15 Water column total and particulate Th-234 Leg 1 | Water column total and particulate Thorium-234 |
GP15 Water column total and particulate Th-234 Leg 2 | Water column total and particulate Thorium-234 |
GP16 Thorium-234 Particulate | Particulate Th-234 from in-situ pumps, including large size fraction (> 51 um) and small size fraction (1-51 um), during the 2013 U.S. GEOTRACES EPZT cruise. |
GP16 Thorium-234 Total | Water-column total Th-234 the 2013 U.S. GEOTRACES EPZT cruise. |
GT10-11 - Th234_Total_and_U238 | Water-column total Thorium-234 and Uranium-238. |
In-situ pump data | |
Particulate Th | Particulate Th |
Particulate Th-234 Activities | Particulate Th-234 Activities |
Particulate Thorium-234 Flux | Particulate Thorium-234 Flux |
Sediment trap fluxes | |
Th-234 activity | Water column Th-234 activity determined using a 4-L technique. |
Thorium-234 from SalpPOOP cruise | |
Total Th | Total Th |
Water column Th-234 activities |