William Hay

William W. Hay

Professor Emeritus of Geological Sciences
Associate Curator, University of Colorado Museum

B.S.    Southern Methodist University, 1955 (Biology)
M.S.    University of Illinois, 1958 (Geology)
Ph.D.    Stanford 1960 (Geology)

Contact address:
2045 Windcliff Dr.
Estes Park, CO 80517

Tel. (970) 586-8698
whay@gmx.de

Research Interests:
Global paleoclimatic and paleoceanographic modeling; paleoclimate model verification; geological mass balance for the global sedimentation system; modelling tectonics, erosion and sedimentation; topographic and bathymetric effects on climate and oceanography; global plate tectonic reconstructions; global paleogeography; geomaterial fluxes; global carbon cycle.

Recent Publications:

Harff, J., Hay, W.W., and Tetzlaff, D.M., 2007. Coastlines as zones of interaction among geological processes, climate change, and socioeconomic development — Modeling opportunities. In Harff, J., Hay, W.W., and Tetzlaff, D.M. (Eds.), Coastline Changes: Interrelation of Climate and Geological Processes. Geological Society of America Special Paper 426, 1-4; doi: 10.1130/2007.2426(01)
Hay, W.W. Migdisov, A.(†), Balukhovsky, A.N., Wold, C.N. Flögel, S., and Söding, E., 2006. Evaporites and the salinity of the ocean during the Phanerozoic: implications for climate, ocean circulation and life. In: Buggisch, W., Evolution of the System Earth in the Late Palaeozoic: Clues from Sedimentary Geochemistry. Palaeogeography, Palaeoclimatology, Palaeoecology, 240, 3-46
Floegel, S., Hay, W.W., DeConto, R.M., and Balukhovsky, A.N., 2005. Formation of sedimentary bedding couplets in the Western Interior Seaway of North America – Implications from Climate System Modeling, Palaeogeography, Palaeoclimatology, Palaeoecology
Hay, W.W., 2005, Angola basin: 100 million years of history. In Stow, D., Oceans: An Illustrated Reference. University of Chicago Press, Chicago, Illinois, p.55.
Hay, W.W., Flögel, S., and Söding, E., 2005. Is the initiation of glaciation on Antarctica related to a change in the structure of the ocean? Global and Planetary Change 45, 23-33.
Hay, W.W., 2004. Carbonate fluxes and calcareous nannoplankton. In: H. R. Thierstein and J. R. Young (eds. ), Coccolithophores - from Molecular Processes to Global Impact, Springer-Verlag, Berlin, 509-527.
Harff, J. and W . W. Hay, 2003. Zum Zeitproblem in der Geologie. Zeitspuren, Alexander Dettmar, Bilder von Mecklenburg bis Thüringen.Güstrow, Kunst und Altertumsverein Güstrow e. V., 17-23.
Mutterlose, J., H. Brumsack, S. Flögel, W. Hay, C. Klein, U. Langrock, M. Lipinski, W. Ricken, E. Söding, R. Stein, and O. Swientek, 2003. The Greenand-Norwegian Seaway: a key area for understanding Late Jurassic to Early Cretaceous paleoenvironments. Paleoceanography, 18, 10-1 - 10.26.
Hay, W.W., E. Söding, R.M. DeConto, and C.N. Wold, 2002. The Late Cenozoic uplift - climate change paradox. International Journal of Earth Sciences (Geologische Rundschau), 91, 746-774.
Hay, W.W. 2002. A new view of Cretaceous paleoceanography. In J. Michalik (ed.), Tethyan/Boreal Cretaceous Correlation, VEDA Publishing House of the Slovak Academy of Sciences, Bratislava, Slovak Republic, 11-37.
Johnson, C.C., D. Sanders, E.G. Kauffman, and W.W. Hay, 2002. Patterns and processes influencing Upper Cretaceous reefs. In: W. Kiessling, E. Flügel, and J. Golonka (eds.), Phanerozoic Reef Patterns, SEPM Special Publication No. 72, 549-585.
Hay, W.W., 2001. The development of climate during the Mesozoic and Cenozoic, and increasing complexity of climate change: New developments during the last ten years. Nova Acta Leopoldina, NF 88, Nr. 331, 7-16.
Hay, W.W., 2001.Paleoceanography, climate models in. In: J. Steele, S. Thorpe, and K. Turekian (eds.) Encyclopedia of Ocean Sciences, Academic Press, London, 2082-2089.
Hay, W.W., 2001. The Development of Climate during Earth History: Die Klimaentwicklung im Verlauf der Erdgechichte. Barbara-Gespräche Payerbach 1988, Band 5, 189-216.
Hay. W.W., C. N. Wold, E. Soeding and S. Flögel, 2001. Evolution of sediment fluxes and ocean salinity. In: D.F. Merriam and J.C. Davis, Geologic Modeling and
Hay, W.W., and K. Becker, 2001. Ocean Drilling Program’s Research Intensifies as End Nears. EOS, Transactions American Geophysical Union, 82, 201, 209.
Hay, W.W., 2001. A climate model reflecting the complexity of the earth system. In: J. Negendank (ed.); Klimaweißbuch – Klimainformationen aus geowissenschaftlicher Forschung (Fallstudien) – Stand und notwendige Erfördernisse der Paläoklimaforschung. Terra Nostra 200177, 171-180.
Rosen, R., P. Diver, W.W. Hay, H.R. Lane, V. Mosbrugger, V. Piler, R.W. Scott, J.J. Sepkowski, and M. Walter, 2000. Consultancies. In: R.H. Lane, F.F. Steininger, R.L. Kaesler, W. Ziegler, and J. Lipps, Fossils and the Future: Paleontology in the 21st Century, Senckenberg-Buch Nr. 74, Walter Kamer GmbH, Frankfurt am Main, 65-68.
Hay, W.W., D. Duas-Brito, J. Kennett, H. Thierstein, M. Aubry, C. Dullo, B. Malmgren, K. Lutaenko, J. Rumford, and D. Maronde, 2000. Paleoceanography. In: R.H. Lane, F.F. Steininger, R.L. Kaesler, W. Ziegler, and J. Lipps, Fossils and the Future: Paleontology in the 21st Century, Senckenberg-Buch Nr. 74, Walter Kamer GmbH, Frankfurt am Main, 179-182.
Floegel, S., C. N. Wold, and W.W. Hay, 2000. Evolution of sediments and ocean salinity. Extended Abstracts Volume, 31st International Geological Congress, Rio de Janeiro – Brazil, August 6-17, 2000, CD-ROM, 4 p.
Hay, W.W., and E. Soeding, 2000. Integrated DSDP/ODP paleontologic databases. Extended Abstracts Volume, 31st International Geological Congress, Rio de Janeiro – Brazil, August 6-17, 2000, CD-ROM, 4 p.
Hay, W.W., 2000. Genesis of sediments: the driving forces. Extended Abstracts Volume, 31st International Geological Congress, Rio de Janeiro – Brazil, August 6-17, 2000, CD-ROM, 4 p.
Hay, W.W., 2000. Ocean circulation during the Cenozoic. Extended Abstracts Volume, 31st International Geological Congress, Rio de Janeiro – Brazil, August 6-17, 2000, CD-ROM, 4 p.
DeConto, R.M., S.L. Thompson, D. Pollard, E. Brady, J. Bergengren, and W.W. Hay, 2000. Late Cretaceous climate, vegetation, and ocean interactions: in B.T. Huber, K.G. McLeod and S.L. Wing (eds.), Warm Climates in Earth History: New York, N. Y., Columbia University Press, 275-296.
Hay, W.W. 2000. Probing the history of climate change. Science Year 2001, World Book Encyclopedia Annual Science Supplement, 42-55.
Brueckmann, W., M. Cepek, W.W. Hay, T. Matschkowski, E. Soeding, V. Spiess, J. Thiede, R. Tiedemann, and G. Wefer., 1999. The ocean drilling stratigraphic network (www.odsn.de). JOIDES Journal, 25/1, 25-27.
Hay, W.W., and E. Zakevitch, 1999. Cesare Emiliani (1922-1995): the founder of paleoceanography. International Microbiology, 2, 52-54.
Hay., W.W., 1999. Carbonate sedimentation through the late Precambrian and Phanerozoic. Zentralblatt für Geologie und Paläontologie, Teil I, 1998, Heft 5-6, 435-445.
Hay W.W., R.M. DeConto, C.N. Wold, K.M.Wilson, S. Voigt, M. Schulz, A. Rossby Wold, W.-Chr. Dullo, A.B. Ronov, A.N. Balukhovsky, and E. Söding 1999. An alternative global Cretaceous paleogeography. In E. Barrera and C. Johnson (eds.), Evolution of the Cretaceous Ocean/Climate System, Geological Society of America Special Paper 332, 1-47.
Voigt, S., W.W. Hay, R. Hoefling, and R.M. DeConto. 1999. Biogeographic distribution of late Early to Late Cretaceous rudist-reefs in the Mediterranean as climate indicators. In E. Barrera and C. Johnson (eds.) Evolution of the Cretaceous Ocean/Climate Systems, Geological Society of America Special Paper 332, 91-103.
Fisher, C. and Hay, W.W., 1999. Calcareous nannofossils as indicators of Mid-Cretaceous paleofertility along an oceanic front, U.S. Western Interior. In E. Barrera and C. Johnson (eds.) Evolution of the Cretaceous Ocean/Climate System, Geological Society of America Special Paper 332, 161-180.
Villamil, T., C. Arango, and W.W. Hay, 1999. A plate tectonic paleoceanographic hypothesis for Cretaceous source-rocks and cherts of northern South America. In E. Barrera and C. Johnson (eds.) Evolution of the Cretaceous Ocean/Climate System, Geological Society of America Special Paper 332, 191-202.
Hay, W.W. and R.M. DeConto. 1999. A comparison of modern and Late Cretaceous meridional energy transport and oceanology. In E. Barrera and C. Johnson (eds.) Evolution of the Cretaceous Ocean/Climate System, Geological Society of America Special Paper 332, 283-300.
DeConto, R.M., W.W.Hay, S. L. Thompson, and J. Bergengren, 1999. Late Cretaceous climate and vegetation interactions: The cold continental interior paradox. In E. Barrera and C. Johnson (eds.) Evolution of the Cretaceous Ocean/Climate System, Geological Society of America Special Paper 332, 391-406.
Hay, W.W. and C.N. Wold, 1998. The role of mountains and plateaus in a Triassic climate model. In T. Crowley and K. Burke (eds.), Tectonic Boundary Conditions for Climate Reconstructions, Oxford Monographs on Geology and Geophysics, Oxford University Press, Oxford, UK, 116-143.
Hay, W.W., 1998. Detrital sediment fluxes from continents to oceans. Chemical Geology, 145, 287-323.
DeConto, R.M., W.W. Hay, and J.C. Bergengren, 1998. Modeling Late Cretaceous climate and vegetation. Zentralblatt für Geologie und Paläontologie, 1996 (11/12), 1433-1444.
Hay, W.W., C.N. Wold, and R.M. DeConto, 1998. The role of salinity in circulation of the Cretaceous ocean. Zentralblatt für Geologie und Paläontologie, 1996 (11/12), 1445-1454.
Bruns, P. W.-Chr. Dullo, W.W. Hay, M. Frank, and P. Kubik, 1998. Hiatuses on Vøring Plateau: sedimentary gaps or preservation artifacts? Marine Geology, 145, 61-84.
Soeding, E., W. Brueckmann, and W.W. Hay., 1998. Making DSDP and ODP paleontologic and sedimentologic data more useful. In: A. Buccianti, G. Nardi, and R. Potenza (eds.), Proceedings of the Fourth Annual Conference of the International Association for Mathematical Geology, Part 2, 693-698.
Hay, W.W., R.M. DeConto, and C.N Wold, 1997. Climate: Is the past the key to the future? Geologische Rundschau, 86, 471-491.
Hay, W.W., and C.N. Wold, 1997. Preliminary reconstruction of the salinity of the ocean in the Cenozoic and Mesozoic. Freiberger Forschungshefte, C 468
Hay, W.W. , 1997. Understanding and modeling the sedimentary system. Die Geowissenschaften, 15, 5-9.
Dullo, W.-Chr., Hay, W. W., Tröger, K.-A., Voigt, S., Höfling, R., Frank, G., 1996. Paleoceanography of the Cretaceous Tethys. In J. Reitner, F. Neuweiler, and F. Gunkel (eds.) Global and Regional Controls on Biogenic Sedimentation. II. Cretaceous Sedimentation. Research Reports. Göttinger Arbeiten in Geologie und Paläontologie, Sb3, 147-150.
Hay, W. W., 1996. Tectonics and climate. Geologische Rundschau, 85, 409-437.
Bruns, P., Dullo, W.-Chr., Hay, W.W., Wold, C.N., and Pernicka, E., 1996. Iridium concentration as an estimator of instantaneous sediment accumulation rates. Journal of Sedimentary Research, 66, 608-612.
Hay, W.W., and C.N. Wold, 1996. A simpler plate-tectonic history for the Caribbean. Zentralblatt für Geologie und Paläontologie, Teil I, 1994, 917-934.
Hay, W.W., 1995. Cretaceous paleoceanography. Geologica Carpathica, 46(5), 1-11.
Hay, W,W., 1995. Paleoceanography of marine organic-carbon-rich sediments. In A.-Y. Huc (ed.), Paleogeography, Paleoclimate and Source Rocks, American Association of Petroleum Geologists Studies in Geology 40, 21-59.
Schulz, M., C.N. Wold, A.B. Ronov, and W.W. Hay, 1995. A forward and reverse transformation program for the „Atlas of Lithological-Paleogeographical Maps of the World“: Computers and Geosciences, 21, 907-911.
Fisher, C.G., W.W. Hay, and D.L. Eicher, 1994. An oceanic front in the Greenhorn Sea (Late middle through late Cenomanian). Paleoceanography, 9, 879-892.
Hay, W.W., 1994. Pleistocene-Holocene fluxes are not the earth's norm. In: Hay, W.W., and Usselmann, T. (eds.), Material Fluxes on the Surface of the Earth. Studies in Geophysics, National Academy Press, 15-27.
Hay, W.W., J.T. Andrews, V.R. Baker, J. Dymond, L.R. Kump, A. Lerman, W.R. Martin, M. Meybeck, J.D. Milliman, D.K. Rea, F.L. Sayles, 1994. Overview. In: Hay, W.W., and Usselmann, T. (eds.), Material Fluxes on the Surface of the Earth. Studies in Geophysics, National Academy Press, 1-12.
Wilson, K.M., D. Pollard, W.W. Hay, S.L. Thompson, and C.N. Wold, 1994. General circulation model simulations of Triassic climates: preliminary results. In G.D. Klein (ed.), Pangaea: Paleoclimatology, Tectonics and Sedimentation during Accretion, Zenith and Breakup of a Supercontinent. Geological Society of America Special Paper 288, 91-116.
Hay, W.W., S.L. Thompson, D. Pollard, K.M. Wilson, and C.N. Wold, 1994. Results of a climate model for Triassic Pangaea. Zentralblatt für Geologie und Paläontologie, Teil I, 1992 11/12, 1253-1265.
Wold, C.N., Hay, W.W., and Wilson, K.M., 1994. Die Widerherstellung von Rift-Becken verbessert die Anpassung von Südamerika an Afrika. Die Geowissenschaften, 12, 48-54.
Hay, W.W., 1993. Pliocene-Quaternary upwelling in the southeastern Atlantic may reflect changes in water mass production. In M. Atunes Telles (ed.), Proceedings First Congress R. C. A. N. S., Lisboa October 12-15, 1992, "Atlantic General Events During Neogene", Ciências da Terra (UNL), 12, 191-201.
Hay, W.W., D.L. Eicher, and R. Diner, 1993. Physical oceanography and water masses of the Cretaceous Western Interior Seaway. In W.E.G. Caldwell, and E.G. Kauffman (eds.) Evolution of the Western Interior Basin. Geol. Assn. Canada, Spec. Pap. 39, 297-318.
Wold, C. N. and Hay, W. W., 1993. Reconstructing the age and lithology of eroded sediment. Geoinformatics, 4, 137-144.
Wold, C. N., Hay, W. W., Dullo, W. -C., Wolf, T. C. W. and Bruns, P., 1993. Oligozäne Paläo-Ozeanographie des Grönland-Schottland Rückens. Die Geowissenschaften, 11. 353-359.
Wold, C.N., C.A. Shaw, and W.W. Hay, 1993. Mass-balanced reconstruction of overburden. In J. Harff and D. F. Merriam (eds.) Computerized Basin Analysis: The Prognosis of Energy and Mineral Resources, Plenum Press, 115-130.
Hay, W.W., and C.N. Wold, 1993. Mass-balanced reconstruction of paleogeology. In J. Harff and D. F. Merriam (eds.) Computerized Basin Analysis: The Prognosis of Energy and Mineral Resources, Plenum Press, 101-113.
Hay, W.W., 1993. The role of polar deep water formation in global climate change. Annual Reviews of Earth and Planetary Sciences, 21, 227-254.
Brock, J.C., C.R. McClain, D.M. Anderson, W.L. Prell, and W.W. Hay, 1992. Southwest monsoon circulation and environments of recent planktonic foraminifera in the northwestern Arabian Sea. Paleoceanography, 7, 799-813.
Hay, W.W., and J.R. Brock, 1992. Temporal variations in intensity of upwelling off southwest Africa. In C. P. Summerhayes, W. L. Prell, K. C. Emeis (eds.) Upwelling Systems: Evolution Since the Early Miocene. Geological Society Special Publication No. 63, 463-497.
Brock, J.C., C.A. McClain, and W.W. Hay, 1992. A southwest monsoon hydrographic climatology for the northwestern Arabian Sea. Journal of Geophysical Research, 97, 9455-9465.
Hay, W.W., 1992. The cause of Late Cenozoic northern hemisphere glaciations: a climate change enigma. Terra Nova, 4, 305-311.
Hay, W.W., and Wold, C.N., 1992. The fit of North America, Africa and South America about the site of the future Gulf of Mexico and Caribbean. VIII Congreso Española de Geologia y XII Congreso Latinoamericana de Geologia, 22-26 June, 1992, Salamanca, Actas, 4, 122-126.
Hay, W.W., C.N. Wold, and J.M. Herzog, 1992. Preliminary mass-balanced 3D reconstructions of the Alps and surrounding areas during the Miocene. In R. Pflug and J. Harbaugh (eds.), Computer Graphics in Geology, Three -Dimensional Computer Graphics in Modeling Geologic Structures and Simulating Geologic Processes. Lecture Notes in Earth Science, 41, Springer Verlag, Berlin, 99-110.
Wilson, K.M., W.W. Hay and C.N. Wold, 1991. Mesozoic evolution of exotic terranes and marginal seas, western North America. In T.A. Davies, A.W. Mayer and S.W. Wise (eds.), Evolution of Mesozoic and Cenozoic Continental Margins, Marine Geology, Marine Geology, 102, 311-361.
Brock, J.C., C.R. McClain, M.E. Luther, and W.W. Hay, 1991. The phytoplankton bloom in the northwestern Arabian Sea during the southwest monsoon of 1979. Jour. Geophys. Res., 96, 20623-20642.
Hay, W.W., 1991. Erosion and Weathering. In W.A. Nierenberg (ed.) Encyclopedia of Earth System Science, Academic Press, New York, 2, 177-185.
Hay, W.W., E.J. Barron, and S. Thompson, 1990. Global atmospheric circulation experiments on an Earth with polar and tropical continents. Journal of the Geological Society (London), 147, 749-757.
Wold, C.N., and W.W. Hay, 1990. Reconstructing ancient sediment fluxes. American Journal of Science, 290, 1069-1089.
Hay, W.W. 1990. Paleoceanography: A review for the GSA Centennial. In R.D. Hatcher and W.A. Thomas, Geological Society of America Centennial Articles Reprinted from Volume 100 of the Geological Society of America Bulletin, Geological Society of America Special Paper 253, 153-175 (Reprint)
Hay, W.W., and C.N. Wold, 1990. Relation of selected mineral deposits to the mass/age distribution of Phanerozoic sediments. Geologische Rundschau, 79, 495-512.
Hay, W.W., and M.A. Leslie, 1990. Could possible changes in global groundwater reservoir cause eustatic sea-level fluctuations? In R. Revelle, (Panel Chairman), Sea- Level Change. National Academy Press, Washington D.C, 161-170.
Hay, W.W., C.N. Wold, C.A. Shaw, and K.M. Wilson, 1990. Paleogeographic Maps - A Status Report. In Ginsburg, R. N., and Beaudoin, B., (eds.), Cretaceous Resources, Events and Rhythms. Kluwer Academic Publishers, 203-219.
Hay, W.W., E.J. Barron, and S. Thompson, 1990. Results of global atmospheric circulation experiments on an earth with a meridional pole-to-pole continent. Journal of the Geological Society (London), 147, 385-392.