Instrument: Riso Laboratory Anti-coincidence Beta Counters

Acronym:

Riso Beta Counter

Description

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%.

Datasets

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

Database

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Instrument: Riso Laboratory Anti-coincidence Beta Counters