Normal‐mode propagation in deep‐ocean sediment channels

1981 ◽  
Vol 70 (3) ◽  
pp. 820-824
Author(s):  
A. O. Williams
Keyword(s):  
Normal Mode ◽  
Deep Ocean ◽  
Mode Propagation ◽  
Ocean Sediment

scholarly journals Band Edge Effects and Normal Mode Propagation in Waveguide Magnetophotonic Crystals

2006 ◽  
Vol 30 (6−2) ◽  
pp. 561-566 ◽  
Author(s):  
M. Levy ◽  
R. Li ◽  
A. A. Jalali ◽  
X. Huang
Keyword(s):  
Normal Mode ◽  
Edge Effects ◽  
Band Edge ◽  
Mode Propagation ◽  
Magnetophotonic Crystals

scholarly journals Temperature effects on carbon-specific respiration rate and sinking velocity of diatom aggregates – potential implications for deep ocean export processes

2013 ◽  
Vol 10 (6) ◽  
pp. 4073-4085 ◽  
Author(s):  
M. H. Iversen ◽  
H. Ploug
Keyword(s):  
Respiration Rate ◽  
Deep Ocean ◽  
Sediment Traps ◽  
Average Particle ◽  
Data Set ◽  
Direct Measurements ◽  
Ocean Sediment ◽  
Influence Of Temperature On ◽  
Ocean Carbon ◽  
Sinking Velocity

Abstract. Most deep ocean carbon flux profiles show low and almost constant fluxes of particulate organic carbon (POC) in the deep ocean. However, the reason for the non-changing POC fluxes at depths is unknown. This study presents direct measurements of formation, degradation, and sinking velocity of diatom aggregates from laboratory studies performed at 15 °C and 4 °C during a three-week experiment. The average carbon-specific respiration rate during the experiment was 0.12 ± 0.03 at 15 °C, and decreased 3.5-fold when the temperature was lowered to 4 °C. No direct influence of temperature on aggregate sinking speed was observed. Using the remineralisation rate measured at 4 °C and an average particle sinking speed of 150 m d−1, calculated carbon fluxes were similar to those collected in deep ocean sediment traps from a global data set, indicating that temperature plays a major role for deep ocean fluxes of POC.

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