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Results 1 - 10 from 45 for carbon isotopes in 0.245 sec.

R. G. Matson-Land Use History of the Colorado Plateau Author
Origins of Southwestern Agriculture. University of Arizona Press, Tucson, AZ. Matson, R. G. 1991. Subsistence: Carbon isotopes and other dietary indicators from Cedar. American Antiquity 56(3), p. 444. Matson, R. G ...
www.cpluhna.nau.edu

Isotope Dendrochronology in China
Leavitt, S.W., Hughes, M.K., Liu, Y., and An, Z., 1995.  Stable-carbon isotope tree-ring chronologies from Xian, China.  In Tree Rings from the Past to the ... -ring stable carbon isotopes at Mt. Helan, China, since AD 1804. Global and Planetary Change 41: 229-239. Liu, Y., Leavitt, S.W., Hughes, M.K., and Wu, X., 1996.  Stable carbon isotopes in ...
www.ltrr.arizona.edu

Going Gaga Over Gaia
In regard to the Earth, says Lovelock, "this means that small amounts of carbon dioxide could have been put into the air with impunity in the middle of ... Confusion Pleistocene Era Methane Gatecrashes Greenhouse Gig Feedback Loop Puts The Heat On Climate Predictions Carbon Isotopes Reveal Ancient, Abrupt Climate Change Climate Change And Vegetation - Complex Feedback Discuss This Article In ...
scienceagogo.com

Environmental Archaeology at the Florida Museum of Natural History
Paleoindian and Archaic period uses of animals on the coast of Peru. Oxygen-18 isotopes and Calcium-Strontium ratios from archaeological M. campechiensis shells as indicators of climate change. ... and environmental change at coastal and glades sites of the Everglades National Park. Previous Research Carbon isotopes in Mesoamerican deer bones as a measure of environmental change. Animal use by the ...
www.flmnh.ufl.edu

University of Massachusetts Amherst Department of Geosciences
College 2003 Organic Geochemistry Paleoenvironments List of Publications I have used compound-specific hydrogen and carbon isotopes of biomarkers found in the sediments to reconstruct paleo-precipitation and paleo-vegetation. My mission ...
www.geo.umass.edu

IISG - Susan Boehme, Contaminated Sediment Specialist
North Carolina State University, Raleigh, NC, Ph.D. Marine Science "The carbon isotope biogeochemistry of a methanogenic marine sediment" 1985-1989. North Carolina State ... Lakes Legacy Act EPA - Pollution Prevention Great Lakes Collaboration ACADEMIC INTERESTS/EXPERTISE carbon cycling, carbon isotopes, air-sea exchange, biogeochemistry, fish consumption advisories EXPERIENCE Planned, organized ...
iisgcp.org

ECO-PROS Teacher Resources
Trek (electromagnetic waves and particles, quantum atom, polarization, elements as atoms, the Periodic Table, isotopes and radioactivity. Also provides site in Deutsche and EspaƱol versions. PHYSICS APPLETS VIRTUAL ... Blue, Phytoplankton-A Little Link in a Big Chain, The Earth-A Giant Greenhouse, Carbon-Where Does It All Go?). Ocean Biology, Land Processes, Atmospheric Processes, and how SeaWiFS ...
www.eco-pros.com

Terms Beginning With "I"
Inorganic Chemicals: Chemical substances of mineral origin, not of basically carbon structure. Insecticide: A pesticide compound specifically used to kill or prevent the growth of ... number of protons but a different weight because of the number of neutrons. Various isotopes of the same element may have different radioactive behaviors, some are highly unstable.. Isotropy: ...
epa.gov

Keith Briffa
European climate change over the last 10,000 years ...
www.cru.uea.ac.uk

Lead | An Introduction to Indoor Air Quality | Indoor Air | Air | US EPA
Indoor Air Quality Pollutants and Sources of Indoor Air Pollution Asbestos Biological Pollutants Carbon Monoxide Formaldehyde/Pressed Wood Products Household Cleaning and Maintenance, Personal Care, or Hobbies Lead ... of the periodic table. Atomic weight 207.2; valences 2, 4; 4 stable isotopes. The isotopes are the end products of the three series of natural radioactive elements uranium (206), ...
epa.gov