ELSA greyscale stack, constructed from the individual cores from the dry maar ... The sections used for the stack all come from a palaeo-waterdepth of 20-60 m. ...
... and d18O geochemical temperature proxies Sr/Ca partly controlled by algal symbionts d18O partly controlled by local hydrography and biofractionation Ice cores ...
How d18O measures global ice volume. developed by Lorraine Lisiecki. available at Lorraine-Lisiecki.com. Oxygen Isotopes (d18O) 0 -10 -20. Oxygen Isotopes (d18O) ...
Theoretical equations of d13C, d18O and dD fractionation in C3 ... in the Santa Catalina Mountains, just north of Tucson, Arizona, for the period 1900-1999. ...
Tropical-Polar Linkage During ENSO Epochs and Detection of Climate Change ... 1970-1995. ENSO frequency SLP-d18O regressions. SOI-d18O 20 year moving correlation ...
(d18O from GRIP(red) and GISP2(black)) From Thomas et al 2006 ... Near Labrador Sea (84 gridboxes) Area. Top 10m. Top 800m. Depth. Over one year. Instantaneously ...
Fig. 40 Hoefs, 2004. ' Plot of dD vs. d18O of waters of different origins' Old Faithful, Yellowstone National Park, 2006. Geothermal Groundwaters. Clark and Fritz ...
Florida Museum of Natural History. Gainesville, FL. loligo@earth.rochester.edu ... d18O decreases with high rainfall in warm weather. Outline. An overabundance of data ...
Equilibrium fractionation is temperature-dependent, always. ... clastic sediments. marine limestones. Why does eclogite have. a heavier d18O than MORB? ...
Hulu: Millennial scale - Strengthened summer East Asian monsoon when Greenland T ... d18O data from East China (Hulu Cave) and Brazil with Greenland ice core d ...
(Peck et al., 2001) Preservation of d18O is demonstrated by; ... Peck et al., 2001. Timing of Terrestrial Water. 2 Evidence for the oldest age constraint ...
... samples every 2-4 hours from the houseboat, and low/high tide samples from the traveling boats. ... The d18O of DO reflects the ratio of productivity to ...
Combined Periodicity of Tilt, Precession and Eccentricity (as sine waves) ... Dashed = precession period. Solid= Spectral analysis of d18O in deep-sea carbonates ...
... important because d18O data from benthic foraminifera in sediments can be used ... means that the geostrophic method can be used together with benthic foraminifera ...
OC 450: Orbital Controls on Climate (Chaps 8 and 10) Main Points: Small cyclic variations in the earth s orbital characteristics affect the distribution of ...
Slides by Lorraine Lisiecki University of California, Santa Barbara Earth Science Dept. Milankovitch Theory warm cold Insolation June 21, 65 N 5 Ma 0 Ma Ice ...
Lecture 11 Stable Isotopes Isotopes of Elements Chart of the Nuclides Delta Notation Isotope Fractionation Equilibrium Kinetic Raleigh See E & H Chpt. 5
Environmental isotopes as tracers in geochemistry Environmental Isotopes in Hydrogeology Introduction to the environmental isotopes Tracing the hydrologic cycle - 18O ...
have been made of both planktic and benthic species, is. that similar isotopic variations are recorded in ... precession, obliquity and eccentricity functions. ...
Chapter 10 Insolation control of ice sheets Ruitang Soong Outline What controls the size of ice sheet? Modeling the behavior of ice sheets North hemisphere ice ...
Long Island Sound has suffered from hypoxia for decades: Result of Global Warming? Eutrophication? It has always been like this ... Sampling mud Elphidium excavatum ...
It appears that speleothem carbon isotopes primarily come from plants above the cave. ... Speleothem high d13C values are then interpreted to indicate more C4 grasses. ...
Lecture 5 Stable Isotopes Isotopes of Elements Chart of the Nuclides Delta Notation Isotope Fractionation Equilibrium Kinetic Raleigh See E & H Chpt. 5
The ocean-atmosphere system: primary responses to orbital forcings Orbital forcings GLACIAL INTERGLACIAL temperature humidity CO2 winds ATMOSPHERE OCEAN
Buried ice in the Richardson's. Remnant Laurentide ice or meltwater? Lacelle, D., 2002. Origin and preservation of buried ice in the. Richardson Mountains, NWT, ...
Alluvial fan conglomerates: higher-resolution information on source ... The majority of gravel can be assigned to a subdivision of the CCR stratigraphic column. ...
Suggestions of experiments at new sites. Yakutsk/Russia (Siberia) Tak/Thailand (Sub-tropics & Paddy field) (GSWP-like) Global run. Previous Studies ' ...
Cosmogenic Nuclides. Higher production - weaker solar winds and irradiance. 10Be from ice cores &14C from tree rings ... Centennial-scale cycles with high ...
Assessing Douglas-fir water-use history using stable isotope (13C and 18O) in ... Western Ecology Division, Corvallis OR. Environmental Protection Agency ...
Upper North Atlantic Deep Water Property Changes during the. Late Holocene. Peter deMenocal. Tom Marchitto. Tom Guilderson. AGU Fall 2002 Holocene meeting ...
Consequences of magmatic intraplating: Crustal melting and magma contamination in the Norwegian Caledonides Calvin Barnes Aaron Yoshinobu Tore Prestvik
Calcite Farming in Florida Caves: Isotope ( 18O and 13C) and trace element paleoproxy calibrations Darrel Tremaine1 (tremaine@magnet.fsu.edu), B. P. Kilgore1, P. N ...
Marine Microfossils Dr. J Bret Bennington Department of Geology What are marine microfossils? Fossilized remains of small organisms or tiny hardparts of larger organisms.
Royal Netherlands Institute for Sea Research. A multi-proxy approach to time-series fluxes and coretop sediments: ... Only slight range in Mg/Ca ( 0.5mmol/mol ...
Late Holocene Changes in Northwest Atlantic Ocean Temperatures Peter deMenocal Tom Marchitto (Lamont-Doherty Earth Obs) Tom Guilderson (CAMS, Lawrence Livermore Nat. Lab)
There are lots of good types of data to work with and ... 4. Mollusk shells. a. If mollusc samples are to have stratigraphic integrity, one must be able to ...
OK team...here is where we left off last time.with conclusions from ice sheet modelling ... Lower ice temperatures lead to increase in ice extent, but the associated ...
Stable Isotope Ecology. Lecture 3. Oxygen and Hydrogen Isotopes. Fractionations during evaporation and ... Wilcox et al. Journal of Hydrology 293 (2004) 1-19 ...