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Parameter: Th234 particulate activity

Short Description: thorium-234 particulate activity

Short Name: Th234_part

Official Name: Th234 particulate activity

Units: dpm/liter

No Data Value: nd

Description

thorium-234 particulate activity measurement of some type, usually of a particular size fraction

Parameter Occurences in Datasets (18)

Dataset	PI-Supplied Description	PI-Supplied Name
Particulate Thorium-234 from in situ pumps from R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project)	Particulate Thorium-234 from QMA filters. Particle size of 1 to 51 um. Data were decay corrected back to mid-pump times.	Th234_p_1to51
Particulate Thorium-234 from in situ pumps from R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project)	Particulate Thorium-234 from mesh screens, filtered onto silver filters. Particle size greater than 51 um. Data were decay corrected back to mid-pump times.	Th234_p_gt51
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Particulate Thorium; particle size less than 1um	lt1_PTh_dpml
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Standard deviation of lt1_PTh_dpml	lt1_PTh_sd
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Particulate Thorium; particle size between 1 and 51um	One_51_PTh_dpml
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Standard deviation of One_51_PTh_dpml	One_51_PTh_sd
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Particulate Thorium; particle size between 10 and 51um	Trull_10_51_PTh_dpml
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Standard deviation of Trull_10_51_PTh_dpml	Trull_10_51_PTh_sd
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Particulate Thorium; particle size between 1 and 10um	Trull_1_10_PTh_dpml
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Standard deviation of Trull_1_10_PTh_dpml	Trull_1_10_PTh_sd
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Particulate Thorium; particle size greater than 51um	Trull_gt51_PTh_dpml
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Kilo Moana cruise KM0414 from the Hawaiian Islands, HOT Site (Station ALOHA) in 2004 (VERTIGO project)	Standard deviation of Trull_gt51_PTh_dpml	Trull_gt51_PTh_sd
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Roger Revelle cruise ZHNG09RR to site K2 in the northwest Pacific in 2005 (VERTIGO project)	Particulate Thorium; particle size less than 1um	lt1_PTh_dpml
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Roger Revelle cruise ZHNG09RR to site K2 in the northwest Pacific in 2005 (VERTIGO project)	Standard deviation of lt1_PTh_dpml	lt1_PTh_dpml_sd
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Roger Revelle cruise ZHNG09RR to site K2 in the northwest Pacific in 2005 (VERTIGO project)	Particulate Thorium; particle size between 1 and 51um	PTh_1_51_dpml
Multiple Unit Large Volume in-situ Filtration System (MULVFS) data from R/V Roger Revelle cruise ZHNG09RR to site K2 in the northwest Pacific in 2005 (VERTIGO project)	Standard deviation of PTh_1_51_dpml	PTh_1_51_dpml_sd
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project)	particulate Th234 activity in the size fraction between 1 and 70 microns	Th234_p_1to70
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project)	particulate Th234 activity in the size fraction greater than 70 microns	Th234_p_gt70