The Last Human: A Guide to Twenty-Two Species of Extinct Humans, G.J. Sawyer, V. Deak, et al., Yale, 2007.
Discovery Suggests Humans Are a Bit Neanderthal, John Noble Wilford, New York Times, April 25, 1999
Neanderthal DNA Shows No Interbreeding With Humans, Alan Mozes, November 15, 2006, HealthDay News: http://www.medicinenet.com/script/main/art.asp?articlekey=77566
Ordovician odyssey: Short papers for the Seventh International Symposium on the Ordovician System. J.J. Sepkoski, 1995, Pacific Section Society for Sedimentary Geology, 393-396.
Effects of the Middle to Late Devonian spread of vascular land plants on weathering regimes, marine biota, and global climate. T. J. Algeo, et al. (eds.). 2001 Plants Invade the Land: Evolutionary and Environmental Approaches.pp. 213-236. Columbia Univ. Press: New York.
Western Australia: history of discovery, Late Devonian age, and geophysical and morphometric evidence for a 120 km-diameter impact structure. A. Y. Glikson, et al., 2005: Woodleigh, southern Carnarvon Basin, Australian Journal of Earth Sciences: Vol. 52, pp. 545-553.
Extinction: how life on earth nearly ended 250 million years ago. Douglas H. Erwin, 2006, Princeton University Press, ISBN-13: 978-0-691-00524-9.
The End Triassic Mass Extinction. Encyclopedia of Life Sciences, 2005, John Wiley & Sons.
Did volcanism of the Central Atlantic Magmatic Province trigger the end-Triassic mass extinction? Pálfy, J., Research Group for Paleontology, Hungarian Academy of Sciences–Hungarian Natural History Museum.
After the Dinosaurs, Donald R. Prothero, Indiana University Press, 2006, pp 30-39.
Supernova Explosion May Have Caused Mammoth Extinction, Dan Krotz, Berkeley Lab Research news, September 23, 2005.
Northern Exposure: The inhospitable side of the galaxy? D. Castelvecchi, Science News, April 21, 2007, Vol. 171.
Paleoindian large mammal hunters on the plains of North America, George C. Frison, PNAS, November 24, 1998; 95(24): 14576–14583.
Ibid.
The Archaeological Record of Human Impacts on Animal Populations, Donald K. Grayson, Journal of World Prehistory, Volume 15, Number 1, March, 2001.
Supernova Explosion May Have Caused Mammoth Extinction, Lawrence Berkeley National Laboratory press release, September 26, 2005. http://www.spaceref.com/news/viewpr.html?pid=17893
Mammoth Extinction Caused by Trees, Study Suggests, Anne Minard, National Geographic News, May 10, 2006. http://news.nationalgeographic.com/news/2006/05/ice-age.html
Cunning Contraceptives, Robin Taylor, Ecos 95. April-June 1998, p28.
The disappearance of Guam’s wildlife. Rodda, G. H., T. H. Fritts, and D. Chiszar. 1997. BioScience 47: 565-574.
What Are the Impacts of Introduced Species? Charlene D’Avanzo and Susan Musante, Teaching Issues and Experiments in Ecology - Volume 1, January 2004.
Dodo and solitaires, myths and reality. France Staub, Proceedings of the Royal Society of Arts & Sciences of Mauritius 6: 89-122, 1996.
Earth faces sixth mass extinction, Anil Ananthaswamy, 18 March 2004, NewScientist.com news service: http://www.newscientist.com/article.ns?id=dn4797
The Sixth Extinction, Virginia Morell, 2003, NationalGeographic.com: http://www.nationalgeographic.com/ngm/9902/fngm/index.html
Herschel Discovers Infrared Light, the Cool Cosmos, Caltech: http://coolcosmos.ipac.caltech.edu//cosmic_classroom/classroom_activities/herschel_bio.html
The Story of the Herschels: A Family of Astronomers, Anonymous, 1886: http://www.gutenberg.org/files/12340/12340-h/12340-h.htm
John Tyndall, John van Wyhe, The Victorian Web, 2002: http://www.victorianweb.org/science/tyndall.htm
Carbonic acid (H2CO3) is a form of carbon dioxide dissolved in water.
John Tyndall’s Research on Trace Gases and Climate, http://www.tyndall.ac.uk/general/history/JTyndall_biog_doc.pdf
Ibid.
Emissions tied to global warming are on the rise, Science News, May 19, 2007, Vol. 177, p318.
Problems with the Protocol, Harvard Magazine, November-December 2002: http://www.harvardmagazine.com/on-line/1102199.html
The hottest temperature measured in Death Valley was 134°F (57°C) recorded on July 10, 1913, which held the record for the hottest place on earth until 1922 when a temperature of 136°F (58°C) was recorded at Azizia, Libya in the Sahara Desert.
Weather and Climate: Death Valley National Park, rev 7, U.S. Park Service, 2006.
Carbon Dioxide (CO2) Properties, Uses, Applications: CO2 Gas and Liquid Carbon Dioxide, Universal Industrial Gases, Inc., web site, 2003/2007, http://www.uigi.com/carbondioxide.html
Fundamentals of Physical Geography, Michael Pidwirny, University of British Columbia Okanagan, 1999-2006. http://www.physicalgeography.net/fundamentals/9r.html
Unstable Silicon Analogues of Olefins and Ketones, L E Gusel'nikov, N S Nametkin, V M Vdovin, RUSS CHEM REV, 1974, 43 (7), 620-629.
Address to the British Association for the Advancement of Science, Reynolds, J. E. Nature, 48, 477 (1893).
Could Life be based on Silicon rather than Carbon? Featured question, NASA Astrobiology Institute web site, last updated May 10, 2007 : http://nai.nasa.gov/astrobio/feat_questions/silicon_life.cfm
A metric ton is 1000 kilograms, about 2,200 lb in English units. A gigaton is 1,000,000,000 tons.
Volcanic carbon dioxide emission rates: White Island, New Zealand and Mt Erebus, Antarctica, Wardell, L., and Kyle, P., 1998, EOS Transactions/Supplement, vol 79, no 10, p F926.
Gas Hazard from Natural CO2 Emissions in Central and Southern Italy, C. Cardellini, et al., American Geophysical Union, Fall Meeting 2006.
Fundamentals of Physical Geography, Michael Pidwirny, U of British Columbia Okanagan, 1999-2006. http://www.physicalgeography.net/fundamentals/9r.html
Major Trends in the Mineralogy of Carbonate Skeletons Reflect Oscillations in Mid-Ocean Ridge Spreading Rates and Seawater Chemistry, S.M. Stanley and L.A. Hardie, Ninth Annual V. M. Goldschmidt Conference, August 22-27, 1999, Cambridge, Massachusetts, abstract no. 7086
Sediments, Diagenesis, and Sedimentary Rocks, Fred T. Mackenzie editor, Treatise on Geochemistry, Volume 7, ISBN-13: 978-0-08-043751-4.
Emission rates of CO2 from plume measurements, D. M. Harris, et al.., 1981, in The 1980 eruptions of Mount St. Helens, Washington, U.S. Geological Survey Professional Paper 1250, p. 3-15.
Understanding the Global Carbon Cycle, Richard Houghton, 2007, Woods Hole Research Center: http://www.whrc.org/carbon/index.htm
The Missing Carbon Sink, Richard Houghton, 2007, Woods Hole Research Center: http://www.whrc.org/carbon/missingc.htm
Restoring the Forests, David G. Victor and Jesse H. Ausubel, Foreign Affairs, November/December 2000, Vol 79, Number 6, pp. 127-144.
Forest response to elevated CO2 is conserved across a broad range of productivity. R. J. Norby, et al., 2005. PNAS, 102: 10.1073/PNAS 0509478102.
Food, Climate and Carbon Dioxide, Sylvan H. Wittwer, CRC Press, Boca Raton, Fla., 1995.
Rain Helps Carbon Sink, Krishna Ramanujan, NASA Earth Observatory, on-line: http://earthobservatory.nasa.gov/Study/CarbonHydrology/.
The Skeptical Environmentalist, Bjørn Lomborg, 2001, p265, Cambridge University Press, ISBN 0 521 80447 7.
Feedbacks and the coevolution of plants and atmospheric CO2, David J. Beerling and Robert A. Berner, PNAS, February 1, 2005, vol. 102,no. 5, 1302-1305.
Climate swings have brought great CO2 pulses up from the deep sea, May 10, 2007, The Earth Institute at Columbia University. http://www.eurekalert.org/pub_releases/2007-05/teia-csh051107.php
Written declaration on greenhouse gas emissions by the livestock sector, Romana Jordan Cizelj and Jan Christian Ehler, 28 March, 2007, DC659409EN.doc,
Asian Forecast: Hazy, Warmer, S. Perkins, Science News, August 4, 2007, vol. 172, p 68.
Kilimanjaro ice core records: Evidence of Holocene climate change in tropical Africa. L. G. Thompson, et al., 2002. Science, 298, 589-593.
This Dynamic Earth, J.M. Watson, U.S. Geo
logical Survey web site: http://pubs.usgs.gov/gip/dynamic/developing.html
History of ocean basins, H.H. Hess, in Petrologic Studies, Geological Society of America, 1962, pp 599-620.
Earth: Inside And Out, Edmond A. Mathez ed., American Museum of Natural History, New Press, 2000.
Plate Tectonics: The Book, http://www.platetectonics.com/book/index.asp
Continental thermal isostasy: 2. Application to North America, Derrick Hasterok and David S. Chapman, Journal of Geophysical Research, VOL. 112, 2007.
Of Marine Terraces and Sand Dunes:The Landscape of San Clemente Island, Andrew Yatsko, Pacific Coast Archaeological Society Quarterly, Vol 36, no. 1, Fall 2000.
The South Sandwich Islands: A Tasty Bit Of Info On A Sandwich Served Up By Mother Earth, Jason Miller. Geology 1020, Nipissing University: http://www.freewebs.com/geomatter/thesandwichmeat.htm
A petawatt is a billion megawatts or 1,000,000,000,000,000 watts.
Global Climate Modeling: The Role of the Oceanic Meridional Overturning Circulation, LANL, 2000: http://www.ees8.lanl.gov/gcm.html
Slowdown of the meridional overturning circulation in the upper Pacific Ocean, M. J. McPhaden and D. Zhang, Nature, 415(7), 603-608 (2002).
Frozen Earth: the once and future story of ice ages, Doug Macdougall, 2004, the University of California Press, pp 108-109.
The Younger Dryas is the most recent of the three Dryas periods, the others being the Older Dryas (14,000-13,700 BP) and Oldest Dryas (18,000-15,000 BP).
The Two-Mile Time Machine: Ice Cores, Abrupt Climate Change, and our Future, Richard B. Alley, Princeton U. Press, Princeton, 2002.
The routing of meltwater from the Laurentide icesheet during the Younger Dryas cold episode, W. S. Broecker, et al., 1989. Nature, 341, pp 318–321.
Does the ocean-atmosphere system have more than one stable mode of operation? Broecker, W. S., Peteet, D. M. & Rind, D. 1986. Nature, 315, pp 21–26.
What If the Conveyor Were to Shut Down? Reflections on a Possible Outcome of the Great Global Experiment, W. S. Broecker, GSA Today, January 1999, 9(1):1-7
Thousands of rubber ducks to land on British shores after 15 year journey, Ben Clerkin, Daily News, June 27, 2007.
Atlantic Meridional Overturning Circulation During the Last Glacial Maximum, Jean Lynch-Stieglitz, et al., Science, 6 April 2007, Vol. 316. no. 5821, pp. 66 – 69.
RAPID MOC: Monitoring the Atlantic Meridional Overturning Circulation at 26.5° North, Natural Environment Research Council, 2007: http://www.bodc.ac.uk/rapidmoc/
Hipparchus (ca. 190 BC-120 BC) Greek astronomer, geographer, and mathematician.
Muhammad ibn Jabir al-Harrani al-Battani (ca. 853-929) Arab astronomer, astrologer and mathematician.
Changing Orbit Explains Ice Ages, Scientist Says, Reuters, 22 July 1999: http://www.space.com/scienceastronomy/planetearth/iceage_orbit_wg.html
On the secular change of the orbit of a satellite revolving about a tidally distorted planet, G. H. Darwin, Philosophical Transactions of the Royal Society of London, vol 171, pp 713-891, 1880.
Lunar laser Ranging: A Continuing Legacy of the Apollo Program, J. O. Dickey, et al., Science 265: 482-490, July 22, 1994.
Geological constraints on the Precambrian history of Earth's rotation and the Moon's orbit, George E. Williams, Reviews of Geophysics, vol 38, pp 37-60, 2000.
Late-Pleistocene climates and deep-sea sediments, Erickson, D.B., W.S. Brocker, J.L. Kulp, and G. Wollin. 1956. Science 124:385-389.
Long-term variations of daily insolation and quaternary climatic changes, Berger, A.L. 1978. Journal of the Atmospheric Sciences 35:2362-2367.
Orbital, precessional, and insolation quantities for the Earth for —20 and +10 Myr. Laskar, J., Joutel, F., and Robutel, P. 1993. Astronomy Astrophysics v. 270, p. 522-533.
The forms of water in clouds and rivers ice and glaciers, J. Tyndall., 1872. International Scientific Series. The Werner Company, Akron, OH, 196 pp.
The impact of precession changes on the Arctic climate during the last interglacial-glacial transition, Myriam Khodria, et al., Earth and Planetary Science Letters, Vol 236, Issues 1-2, 30 July 2005, pp 285-304.
Milankovitch climate reinforcements, George Kukla and Joyce Gavin, Global and Planetary Change, Vol 40, Issues 1-2, January 2004, pp 27-48.
Sunspots, The Exploratorium web site, 1998: http://www.exploratorium.edu/sunspots/history.html
Galileo's Scientific Discoveries, Cosmological Confrontations, and the Aftermath, Stephen Mason, History of Science, vol 40, pp 377-406, 2002.
Nicolaus Copernicus (1473-1543) Polish astronomer who formulated the first heliocentric model of the solar system.
The Galileo Legend, Thomas Lessl, New Oxford Review, June 2000, pp 27-33.
On the Shoulders of Giants: The Great Works of Physics and Astronomy, Stephen Hawking, 2002, Running Press, p. 397.
Galileo, Astrology and the Scientific Revolution: Another Look, H. Darrel Rutkin, HPST Colloquia presentation, November 4, 2004, Stanford University: http://www.stanford.edu/dept/HPST/colloquia0405.html
Johannes Kepler (1571-1630) German mathematician and astronomer, best known for his laws of planetary motion.
Stellar Structure and Evolution, Peter Bodenheimer, Encyclopedia of Astronomy and Astrophysics, Robert A. Myers ed., Academic Press, 1989, pp 690-691.
Astrophysics and Stellar Astronomy, T. L. Swihart, John Wiley & Sons, 1968, p162.
Stellar Structure and Evolution, Peter Bodenheimer, Encyclopedia of Astronomy and Astrophysics, Robert A. Myers ed., Academic Press, 1989, pp 707-709.
The Potential of White Dwarf Cosmochronology, G. Fontaine, P. Brassard, and P. Bergeron, Publications of the Astronomical Society of the Pacific, vol 113, no. 782, April 2001, p 410.
Wolfgang Ernst Pauli (1900-1958) Austrian theoretical physicist and pioneer in quantum mechanics, most notably spin-statistics.
Neutronium is a term originally used in science fiction and in popular literature to refer to the material present in the cores of neutron stars. It is rarely used in scientific literature; typically, neutron-degenerate matter is used instead.
Stellar Structure and Evolution, Peter Bodenheimer, Encyclopedia of Astronomy and Astrophysics, Robert A. Myers ed., Academic Press, 1989, p 715.
Albert Einstein (1879-1955) German-born theoretical physicist best known for his theory of relativity and mass-energy equivalence equation, E=mc2.
Age of Universe Revised, Again, Robert R. Britt, Space.com, January 2003: http://www.space.com/scienceastronomy/age_universe_030103.html
Constant as the Sun? A Look at Solar Variability, Peter Fox, NCAR High Altitude Observatory, May 17, 2000: http://www.ucar.edu/communications/factsheets/sun/index.html
Carl Edward Sagan (1934-1996) American astronomer, astrobiologist and popularizer of the natural sciences.
The Little Ice Age, Brian M. Fagan, 2001, Basic Books, p 121.
The sunspot number, or Wolf Number, measures the number of sunspots and sunspot groups present on the surface of the sun. Named after Swiss scientist Rudolf Wolf.
The Maunder Minimum and the Variable Sun-Earth Connection, Steven H. Yaskell, Science, 2003, Page 134.
The Resilient Earth: Science, Global Warming and the Fate of Humanity Page 43
