231Pa/230Th fractionation by ocean transport, biogenic particle flux and particle type
M Siddall, GM Henderson, NR Edwards… - Earth and Planetary …, 2005 - Elsevier
231Pa and 230Th are removed from the water column by a process of reversible
scavenging which quickly removes 230Th to the sediment. 231Pa is less efficiently …
scavenging which quickly removes 230Th to the sediment. 231Pa is less efficiently …
Oceanic 231Pa/230Th ratio influenced by particle composition and remineralization
S Luo, TL Ku - Earth and Planetary Science Letters, 1999 - Elsevier
We have investigated the role of particle compositions in affecting the distribution of 231Pa
and 230Th in the ocean by separating sediments collected by sediment-traps and cores into …
and 230Th in the ocean by separating sediments collected by sediment-traps and cores into …
Fractionation of 230Th, 231Pa, and 10Be induced by particle size and composition within an opal-rich sediment of the Atlantic Southern Ocean
S Kretschmer, W Geibert, MMR van der Loeff… - … et Cosmochimica Acta, 2011 - Elsevier
This study centers on the question: How sensitive are 231Pa/230Th and 10Be/230Th to
sediment composition and redistribution? The natural radionuclides 231Pa, 230Th and …
sediment composition and redistribution? The natural radionuclides 231Pa, 230Th and …
Fluxes of 230Th and 231Pa to the deep sea: Implications for the interpretation of excess 230Th and 231Pa/230Th profiles in sediments
EF Yu, R Francois, MP Bacon, AP Fleer - Earth and Planetary Science …, 2001 - Elsevier
Analysis of samples obtained with deep-sea moored sediment traps deployed at 15 sites
representing a wide range of oceanic conditions confirms that the flux of 230Th scavenged …
representing a wide range of oceanic conditions confirms that the flux of 230Th scavenged …
On the importance of opal, carbonate, and lithogenic clays in scavenging and fractionating 230Th, 231Pa and 10Be in the ocean
S Luo, TL Ku - Earth and Planetary Science Letters, 2004 - Elsevier
The influence of particle composition on the scavenging of 230Th, 231Pa, and 10Be in the
ocean is critically re-examined based on the particle-solution distribution coefficient (Kd) …
ocean is critically re-examined based on the particle-solution distribution coefficient (Kd) …
Dissolved and particulate 231Pa and 230Th in the Atlantic Ocean: constraints on intermediate/deep water age, boundary scavenging, and 231Pa/230Th fractionation
231Pa and 230Th concentrations were determined in filtered seawater and suspended
particulate matter collected from the Labrador Sea and the Equatorial and South Atlantic to …
particulate matter collected from the Labrador Sea and the Equatorial and South Atlantic to …
Scavenging of 230Th, 231Pa and 10Be in the Southern Ocean (SW Pacific sector): the importance of particle flux, particle composition and advection
Z Chase, RF Anderson, MQ Fleisher… - Deep Sea Research Part II …, 2003 - Elsevier
The scavenging of 230Th, 231Pa and 10Be was studied in the Pacific sector of the Southern
Ocean along 170° W using measurements from surface sediments, time-series sediment …
Ocean along 170° W using measurements from surface sediments, time-series sediment …
The influence of particle composition and particle flux on scavenging of Th, Pa and Be in the ocean
Z Chase, RF Anderson, MQ Fleisher… - Earth and Planetary …, 2002 - Elsevier
We have examined the relative affinity of Th, Pa and Be for sorption from seawater onto
particles of variable composition (opal, carbonate, lithogenic particles and organic carbon) …
particles of variable composition (opal, carbonate, lithogenic particles and organic carbon) …
Enhanced scavenging of 231Pa relative to 230Th in the South Atlantic south of the Polar Front: Implications for the use of the 231Pa/230Th ratio as a paleoproductivity …
HJ Walter, MMR Van der Loeff, H Hoeltzen - Earth and Planetary Science …, 1997 - Elsevier
The fractionation of 230Th and 231Pa was investigated throughout the Atlantic sector of the
Southern Ocean. Published scavenging models generally assume that the 231Pa/230T ratio …
Southern Ocean. Published scavenging models generally assume that the 231Pa/230T ratio …
Modeling the particle flux effect on distribution of 230Th in the equatorial Pacific
M Siddall, RF Anderson, G Winckler… - …, 2008 - Wiley Online Library
The normalization of sediment accumulation rates by 230Th is increasingly used to
constrain particle rain rates because 230Th is produced at a known rate in the water column …
constrain particle rain rates because 230Th is produced at a known rate in the water column …
相关搜索
- 231pa and 230th atlantic ocean
- particle type ocean transport
- particle flux scavenging of 230th
- particle flux southern ocean
- 231pa and 230th boundary scavenging
- 231pa and 230th water age
- southern ocean scavenging of 230th
- particle flux ocean transport
- particle composition scavenging of 230th
- cycling of 231pa atlantic ocean
- particle composition southern ocean