mesozoic oceanic anoxic events

Download Mesozoic Oceanic Anoxic Events

Post on 24-Feb-2016

30 views

Category:

Documents

0 download

Embed Size (px)

DESCRIPTION

Mesozoic Oceanic Anoxic Events. By: Sarah Sexton. http:// biologybiology.tripod.com /id2.html. Vaughn et al 2005. Oxygen Profile. Schlanger & Jenkyns 1976 . Sea Surface Salinity. Otto- Bliesner et al 2002. Vertical Temperature Profile. Otto- Bliesner et al 2002. Sea Surface Temperature. - PowerPoint PPT Presentation

TRANSCRIPT

Mesozoic Oceanic Anoxic Events

Mesozoic Oceanic Anoxic EventsBy: Sarah SextonShttp://biologybiology.tripod.com/id2.html

Vaughn et al 2005

Oxygen Profile

Schlanger & Jenkyns 1976 It is still debated whether these major anoxic events were caused by whole ocean stratification, perhaps due to enhanced formation of low-latitude, salty, warm and low-oxygen deep water, or increased primary production

4

Otto-Bliesner et al 2002Sea Surface Salinity5

Otto-Bliesner et al 2002Vertical Temperature Profile

Otto-Bliesner et al 2002Sea Surface TemperatureVertical Circulation

Otto-Bliesner et al 2002Horizontal Circulation

Otto-Bliesner et al 2002Ocean Circulation Yesterday and Today

http://www.google.com/imgres?start=224&um=1&hl=en&tbo=d&biw=1249&bih=908&tbm=isch&tbnid=svpvs-H6N7wKDM:&imgrefurl=http://www.nonoscience.info/solar-convection.html&docid=nuy-7Fy8YQUcuM&imgurl=http://upload.wikimedia.org/wikipedia/en/c/c8/SurfaceCurrents.png&w=2639&h=1406&ei=Poq2UMutKuP00gGx84HYDg&zoom=1&iact=hc&vpx=917&vpy=605&dur=1040&hovh=164&hovw=308&tx=185&ty=86&sig=104357501633995765405&page=7&tbnh=130&tbnw=244&ndsp=38&ved=1t:429,r:36,s:200,i:112Otto-Bliesner et al 2002Global Carbon Cycle

Jenkyns 2003Works-CitedJenkyns HC (2003). Evidence for rapid climate change in the Mesozoic-Paleogene greenhouse world. Philosophical Transactions of the Royal Society, 361: 1885-1916. Otto-Bliesner BL, Brady EC & C Shields (2002). Late Cretaceous ocean: Coupled simulations with the National Center for Atmospheric Research Climate System Model. Journal of Geophysical Research, 107(D2): 4019.Poulsen CJ, Barron EJ, Arthur MA & WH Peterson (2001). Response of the mid-Cretaceous global oceanic circulation to tectonic and CO2 forcings. Paleoceanography, 16(6): 576-592.Schlanger SO & HC Jenkyns (1976). Cretaceous oceanic anoxic events: causes and consequences. Geologie en Mijnbouw, 55(3-4): 179-184.Vaughn J, Kodama JP & DP Smith (2005). Correction of inclination shallowing and its tectonic implications: The Cretaceous Perforada Formation, Baja California. Earth and Planetary Science Letters, 232(1-2): 71-82.

Recommended

View more >