90Y-90Sr disequilibrium in surface waters: investigating short-term particle dynamics by using a novel isotope pair

Details 90Y-90Sr disequilibrium in surface waters: investigating short-term particle dynamics by using a novel isotope pair 90Y-90Sr disequilibrium in surface waters: investigating short-term particle dynamics by using a novel isotope pair

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003e%26psl.207..141o&link_type=abstract

Earth and Planetary Science Letters, Volume 207, Issue 1-4, p. 141-150.

Physics

Radiochemistry, Isotope Chronometers, Y-90/Sr-90 Disequilibria, Scavenging Coefficients, Particle Dynamics

Scientific paper

We demonstrate the use of the disequilibrium between 90Sr (t1/2=29.1 yr) and its particle-reactive daughter 90Y (t1/2=64 h) to estimate particle removal rates and settling velocities in the epilimnion of a freshwater lake during varying conditions of stratification caused by seasonal changes. The estimated rates of removal obtained from the 90Sr-90Y disequilibrium showed good agreement with (a) measured rates of mass removal obtained from settling particle fluxes in sediment traps and the inventories of suspended material and (b) independently obtained removal coefficients for the scavenging behavior of two different isotopes of particle-reactive plutonium, present in the water column because of different processes. Because 90Sr is widespread and readily measurable in freshwater systems as a result of fallout from nuclear weapons testing, the 90Sr-90Y disequilibrium is a potentially valuable resource for examining particle dynamics in surface waters.

Affiliated with

Also associated with

No associations

Rating

90Y-90Sr disequilibrium in surface waters: investigating short-term particle dynamics by using a novel isotope pair does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with 90Y-90Sr disequilibrium in surface waters: investigating short-term particle dynamics by using a novel isotope pair, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 90Y-90Sr disequilibrium in surface waters: investigating short-term particle dynamics by using a novel isotope pair will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-920910