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Decadal diagenetic effects on d13 C and d15N studied in varved lake sediment
Decadal diagenetic effects varved lake sediment
2014/4/18
To assess the long-term (27 yr) effects of sediment aging on stable carbon and nitrogen isotope values (d13
C
and d15N), we used a collection of eight freeze cores of annually laminated (varved) lak...
Distribution of viruses and bacteria in relation to diagenetic activity in an estuarine sediment
viruses bacteria sediment
2014/5/21
The distribution of viruses and bacteria was investigated in relation to bacterial sulfate reduction and total respiration (production of dissolved inorganic carbon, [DIC]) in a coastal sediment. Vira...
A pH plate fluorosensor (optode) for early diagenetic studies of marine sediments
A pH plate fluorosensor early diagenetic marine sediments
2014/5/26
Pore water pH distributions are closely coupled to early diagenetic reactions and transport processes in surficial sediments. In this study, an optical plate fluorosensor for rapid two-dimensional det...
Linkages among the bioreactivity, chemical composition, and diagenetic state of marine dissolved organic matter
bioreactivity chemical composition
2014/5/30
Bacterial growth and the chemical composition of dissolved organic matter (DOM) were followed during a 10-
d decomposition experiment with fresh, algal-derived DOM from an Arctic ice floe. Duri...