b = empirical factor combining the effects of physiological influences ... Quite a few assumptions (i.e. method of CO2 delivery, depth of max production, etc. ...
Geochemical tracers are proxies for past environmental conditions (and trace changes) ... And on long time scales. 13C traces the source of the DIC in the ...
Title: Diapositiva 1 Author: Pablo y Bel n Last modified by: J.O. Grimalt Created Date: 11/20/2004 12:44:43 PM Document presentation format: Presentaci n en pantalla
Initiation of Northern Hemisphere Glaciation. The Role of the ... problems: possible lateral transport and exhumation, diagenesis, light and nutrient changes ...
Ice Sheet retreat begins about 18 -14 kyrs ago, and are ... the extractions in a gas chromatograph to get the specific fat saturated to unsaturated ratio ...
Flow west across US. Clockwise spiral over Scandinavia cooled Europe ... Mismatch for elm pollen (warm-adapted diciduous) Model simulations underestimate actual ...
Earth's Biosphere. Interaction of physical processes in Earth's climate system with ... plants eaten by zooplankton, dead zooplankton or excreted matter sinks ...
Coral reef calcification: is it controlled by carbonate ion saturation and is ... temperature for reef corals. LGM temperature estimates are about 13 C (both ...
... sun problem is that outgassing from volcanoes was high due to vigorous seafloor spreading. ... rise as magma, providing volcanoes and MORs with a source ...
Equilibrium fractionation is temperature-dependent, always. ... clastic sediments. marine limestones. Why does eclogite have. a heavier d18O than MORB? ...
Earth, Atmospheric, and Planetary Sciences. Massachusetts Institute of Technology ... 90 ppmV Glacial/Interglacial CO2 cycles: basic considerations ...
Haul bagged bottles to rail and attached them to line. Deploy bagged bottles ... Light limitation leads to overestimation of actual growth temperature ...
Enviromental parameters for the past, reconstructed from proxy variables and ... Southeren Sicily, Italy: sections of carbonate cycles or sapropel (brownish ...
... rise = 0.4 million km3 of ice. Total global ice volume can be compared with insolation ... Ice-rafted debris in non-fossiliferous sediments west of Ireland ...
It retained the primitive character of 3 toes, but looked like a modern horse. ... Domesticated about 3,000 years ago, the horse had a profound impact on human ...