1 / 9

North Atlantic Oxygen: Summary and Results

Explore the recent findings and comparisons in the North Atlantic oxygen levels, circulation, and water mass characteristics. Learn about DSOW, NAC, LSW, and ISW, accompanied by relevant cruise results and measurement processes.

klaus
Download Presentation

North Atlantic Oxygen: Summary and Results

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. North Atlantic oxygen:Summary and results Andrew Budnick Undergraduate, Princeton University

  2. Background • Cruise Results • Comparison Area overview Schott, F. A., & Brandt, P. (2007). Circulation and Deep Water Export of the Subpolar North Atlantic During the 1990’s. Geophysical Monograph, 91-118. DSOW – Denmark Strait Overflow Water NAC – North Atlantic Current LSW – Labrador Sea Water ISW – Irminger Sea Water http://utsapocalypse.net/yeykyaw/2011/04/13/cause-of-ice-age-2/

  3. Background • Cruise Results • Comparison Trip overview

  4. Background • Cruise Results • Comparison Cruise summary Total transects: 7 Total CTD stations: 77 Total oxygen samples: 474 Mooring deployments: 7 Mooring recoveries: 10 Failed recoveries: 2

  5. Background • Cruise Results • Comparison O2 measurement process

  6. Background • Cruise Results • Comparison Oxygen profiles

  7. Background • Cruise Results • Comparison Regional comparison

  8. Thank you! Questions?

  9. Bibliography • Avsic, T., Karstensen, J., Send, U., & Fischer, J. (2006). Interannual variability of newly formed Labrador Sea Water from 1994 to 2005. Geophysical Research Letters, 33(21), 1-6. doi:10.1029/2006GL026913 • Bryden, H., Griffiths, M., Lavin, A., Millard, R., Parrilla, G., & Smethie, W. (1996). Decadal Changes in Water Mass Characteristics at 24N in the Subtropical North Atlantic Ocean. Journal of Climate1, 9, 3163-3186. doi:10.1175/1520-0442(1996)009<3162:DCIWMC>2.0.CO;2 • Curry, R., Dickson, B., & Yashayaev, I. (2003). A change in the freshwater balance of the Atlantic Ocean over the past four decades. Nature, 426(6968), 826-9. doi:10.1038/nature02206 • Delworth, T. L., Manabe, S., & Stouffer, R. J. (1997). Multidecadal climate variability in the Greenland Sea and surrounding regions: A coupled model simulation. Geophysical Research Letters, 24(3), 257. doi:10.1029/96GL03927 • Dickson, R., Meincke, J., Malmberg, S., & Lee, a. (1988). The “great salinity anomaly” in the Northern North Atlantic 1968–1982. Progress In Oceanography, 20(2), 103-151. doi:10.1016/0079-6611(88)90049-3 • Eden, C., & Willebrand, J. (2001). Mechanism of Interannual to Decadal Variability of the North Atlantic Circulation. Journal of Climate, 14(10), 2266-2280. doi:10.1175/1520-0442(2001)014<2266:MOITDV>2.0.CO;2 • Hirschi, J., Killworth, P., & Blundell, J. (2006). Subannual, Seasonal , and Interannual Variability of the North Atlantic Meridional Overturning Circulation. Journal of Physical Oceanography, 37, 1246-1265. doi:10.1175/JPO3049.1 • Houghton, R. W., & Visbeck, M. H. (2002). Quasi-decadal Salinity Fluctuations in the Labrador Sea*. Journal of Physical Oceanography, 32(2), 687-701. doi:10.1175/1520-0485(2002)032<0687:QDSFIT>2.0.CO;2 • Johnson, G. C. (2005). Labrador Sea Water property variations in the northeastern Atlantic Ocean. Geophysical Research Letters, 32(7), 1-5. doi:10.1029/2005GL022404 • Kihm, C., & Körtzinger, a. (2010). Air-sea gas transfer velocity for oxygen derived from float data. Journal of Geophysical Research, 115(C12), 1-8. doi:10.1029/2009JC006077 • Large scale circulation and water masses in the North Atlantic. (1987). Deep-Sea Research, 1-3. • Pickart, R. S., & Spall, M. a. (2007). Impact of Labrador Sea Convection on the North Atlantic Meridional Overturning Circulation. Journal of Physical Oceanography, 37(9), 2207-2227. doi:10.1175/JPO3178.1 • Polyakov, I. V., Bhatt, U. S., Simmons, H. L., Walsh, D., Walsh, J. E., & Zhang, X. (2005). Multidecadal Variability of North Atlantic Temperature and Salinity during the Twentieth Century. Journal of Climate, 18(21), 4562-4581. doi:10.1175/JCLI3548.1 • Schott, F. A., & Brandt, P. (2007). Circulation and Deep Water Export of the Subpolar North Atlantic During the 1990’s. Geophysical Monograph, 91-118. • Tanhua, T., Olsson, K. A., & Jeansson, E. (2005). Formation of Denmark Strait overflow water and its hydro-chemical composition. Journal of Marine Systems, 57(3-4), 264-288. doi:10.1016/j.jmarsys.2005.05.003 • Yashayaev, I., Bersch, M., & van Aken, H. M. (2007). Spreading of the Labrador Sea Water to the Irminger and Iceland basins. Geophysical Research Letters, 34(10), 1-8. doi:10.1029/2006GL028999 • Zhang, R. (2010). Northward intensification of anthropogenically forced changes in the Atlantic meridional overturning circulation (AMOC). Geophysical Research Letters, 37(24), 1-6. doi:10.1029/2010GL045054 • Zhang, R. (2010). Latitudinal dependence of Atlantic meridional overturning circulation (AMOC) variations. Geophysical Research Letters, 37(16), 1-6. doi:10.1029/2010GL044474 • http://utsapocalypse.net/yeykyaw/2011/04/13/cause-of-ice-age-2/

More Related