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PUBLICATIONS

Lachniet, M.S., Bernal, J.P., Asmerom, Y., Polyak, V., and Piperno, D., 2012, A 2400-yr rainfall history links climate and cultural change in Mexico: Geology.

 

PHOTOS of Mexico Field Work (94 Mb Zip file).

 

Lachniet, M.S., Asmerom, Y., and Polyak, V., 2011, North Atlantic forcing of the last deglaciation in the southwestern United States: Quaternary Science Reviews, v. 30, p. 3803-3811. 10.1016/j.quascirev.2011.09.022 (Link)

 

Lachniet, M.S., and Roy, A.J., 2011. Costa Rica and Guatemala. In:  J. Ehlers, P. L. Gibbard, and P. D. Hughes, (Eds.), Quaternary Glaciations - Extent and Chronology, A Closer Look. Elsevier, Amsterdam, pp. 843-848.

 

Lachniet, M.S. 2011. Wounded Knee Cave U-series dating, California Caver. pp. 2-3 (and Cover Photo).

 

Bernal, J.P., Lachniet, M.S., McCullogh, M., Mortimer, G., Morales, P., and Cienfuegos, E., 2011. A speleothem record of Holocene climate variability from southwestern Mexico. Quaternary Research 75, 104-113. (Link)

 

Roy, A.J., and Lachniet, M.S., 2010. Late Quaternary Glaciation in Guatemala: Equilibrium Line Altitudes of the Mayan Ice Cap, Central America. Quaternary Research 74, 1-7.

 

Lachniet, M. S., Johnson, L., Asmerom, Y., Burns, S. J., Polyak, V., Patterson, W. P., Burt, L., and Azouz, A. (2009). Late Quaternary moisture export across Central America and to Greenland: evidence for tropical rainfall variability from Costa Rican stalagmites. Quaternary Science Reviews 28, 3348-3360. (Link).

 

Lachniet, M. S., 2009a. Climatic and environmental controls on speleothem oxygen isotope values. Quaternary Science Reviews 28, 412-432 (DOI: 10.1016/j.quascirev.2008.10.021). (Link)

 

Lachniet, M. S., 2009b. Sea surface temperature control on the stable isotopic composition of rainfall in Panama. Geophysical Research Letters 36, L03701, doi:10.1029/2008GL036625. (Link)

 

Lachniet, M. S., Patterson, W. P., 2009. Oxygen isotope values of precipitation and surface waters in northern Central America (Belize and Guatemala) are dominated by temperature and amount effects. Earth and Planetary Science Letters 284, 435-446. doi:10.1016/j.epsl.2009.05.010. (Link)

 

Osborn, J., Lachniet, M.S., and Saines, M., 2008, Interpretation of Pleistocene glaciation in the Spring Mountains of Nevada: Pros and Cons, in Duebendorfer, E. M., and Smith, E.I., ed., Field Guide to Plutons, Volcanoes, Faults, Reefs, Dinosaurs, and Possible Glaciation in Selected Areas of Arizona, California, and Nevada: Geological Society of America Field Guide 11: Las Vegas, NV, Field Trip Guide Geological Society of America, p. 153-172. (PDF)

 

Lachniet, M.S., Patterson, W. P., Burns, S. J., Asmerom, Y., and Polyak, V. J. 2007. Caribbean and Pacific moisture sources on the Isthmus of Panama revealed from stalagmite and surface water δ18O gradients. Geophysical Research Letters 34, doi:10.1029/2006GL028469. (PDF)

 

Lachniet, M.S., 2007, Glacial Geology and Geomorphology, in Bundschuh, J., and Alvarado, G., eds., Central America: Geology, Resources, and Hazards: London, Taylor & Francis, p. 171-182. (PDF)

 

Piperno, D. R., Moreno, J. E., Iriarte, J., Holst, I., Lachniet, M.S., Jones, J. G., Ranere, A. J., and Castanzo, R., 2007, Late Pleistocene and Holocene environmental history of the Iguala Valley, central Balsa watershed of Mexico: Proceedings of the National Academy of Sciences of the United States of America, v. doi:10.1073/pnas.0703442104, p. 8.

 

Lachniet, M.S. and Patterson, W.P., 2006. Use of correlation and multiple stepwise regression to evaluate the climatic controls on the stable isotope values of Panamanian surface waters. Journal of Hydrology, 324: 115-140. (PDF)

 

Lachniet, M.S., 2006. Trapped in the ice: a review of Plows, Plagues, and Petroleum by William Ruddiman. Geotimes, pp. 49-50. (PDF)

 

Fleisher, P.J., Lachniet, M.S., Muller, E.H. and Bailey, P.K., 2006. Subglacial deformation of trees within overridden foreland strata, Bering Glacier, Alaska. Geomorphology, 75: 201-211.

 

Larson, G.J., Lawson, D.E., Evenson, E.B., Alley, R.B., Knudsen, O., Lachniet, M.S. and Goetz, S.L., 2006. Glaciohydraulic supercooling on former ice sheets? Geomorphology, 75: 20-32.

 

Lachniet, M.S. and Vazquéz-Selem, L., 2005. Last Glacial Maximum equilibrium line altitudes in the circum-Caribbean (Mexico, Guatemala, Costa Rica, Colombia, and Venezuela). Quaternary International, 138-139C: 129-144. (PDF)

 

Lachniet, M.S., Seltzer, G.O. and Solís S., L., 2005. Geología, geomorfología y depósitos glaciares en los páramos de Costa Rica. In: M. Kappelle and S.P. Horn (Editors), Páramos de Costa Rica. INBio, pp. 129-146.

 

Lachniet, M.S., Asmerom, Y., Burns, S., Patterson, W.P., Polyak, V. and Seltzer, G.O., 2004. Tropical Response to the 8200 yr cold event? Speleothem isotopes indicate a weakened early Holocene monsoon in Costa Rica. Geology, 32: 957-960. (PDF) (Comment and Reply)

 

Lachniet, M.S., Burns, S.J., Piperno, D.R., Asmerom, Y., Polyak, V.J., Moy, C.M. and Christenson, K., 2004. A 1500 year El Niño/Southern Oscillation and rainfall history for the Isthmus of Panama from speleothem calcite. Journal of Geophysical Research, D, Atmospheres, v. 109, doi:10.1029/2004JD004694. (PDF)

 

Lachniet, M.S., 2004. Quaternary glaciation in Guatemala and Costa Rica. In: Ehlers, J. & Gibbard, P.L. (eds). Quaternary Glaciations - Extent and Chronology, Part III: South America, Asia, Africa, Australasia, Antarctica. Developments in Quaternary Science, Vol. 2c, p. 135-138. Amsterdam, Elsevier. (PDF)

 

Lachniet, M.S., and Seltzer, G.O., 2002. Late Quaternary glaciation of Costa Rica. Geological Society of America Bulletin, 114, no. 5: 547-558. Correction, vol. 114, p. 921-922. (PDF, Correction)

 

Lachniet, M.S., and Patterson, W.P., 2002. Stable isotope values of Costa Rican surface waters. Journal of Hydrology, 260: 135-150. (PDF)

 

Lachniet, M.S., 2002. Book review of "Interhemispheric Climate Linkages" (Ed. Markgraf). The Holocene, 12, no. 3: 377. (PDF)

 

Lachniet, M.S., and Larson, G.J., Lawson, D.E., Evenson, E.B., and Alley, R.B., 2001. Microstructures of sediment flow deposits and subglacial sediments: a comparison. Boreas, 30: 254-262. (PDF)

 

Fleisher, P.J., Muller, E.H., Peteet, D.M., Lachniet, M.S., 1999. Arctic Enigma: was Alaska's Late Pleistocene Bering Glacier really out of step with its neighbors? Geotimes, 44: 16-21.

 

Lachniet, M.S., Larson, G.J., Strasser, J.C., Lawson, D.E., Evenson, E.B., and Alley, R.B., 1998. Microstructures of glacigenic sediment-flow deposits, Matanuska Glacier, Alaska. In Mickelson and Attig, Eds., Glacial Processes Past and Present: Boulder, Colorado, Geological Society of America Special Paper 337: 45-57. (PDF)

MEDIA COVERAGE       

            National Science Foundation funds UNLV Paleoclimate Research. UNLV College of Science Spring 2008 Newsletter, page 8. (PDF)

           

            Tropical Glaciers: Geologist Hunts Clues to Global Warming. Las Vegas Review Journal, Oct. 23, 2006. (PDF)

 

            Stalagmite shows connected climate. Geotimes, January 2005 (PDF)

 

            National Science Foundation Funds Research at UNLV. UNLV College of Sciences Newsletter, Fall 2005 (PDF)

 

            Interviewed for: River of data decodes Nile cycles. Geotimes, August 2005. (Hyperlink)

RECENT ABSTRACTS

Lachniet, M.S., Bernal, J.P., Asmerom, Y., Polyak, V.J., and Vazquez-Selem, L., 2011, North Atlantic and orbital controls on North American Monsoon rainfall for the past 25,000 years [Invited], American Geophysical Union Annual Meeting: San Francisco.

 

Lachniet, M.S., Sloat, A.R., and Lawson, D.E., 2011, Ice wedge growth in the Fox Permafrost tunnel dates to marine isotope stage II?, American Geophysical Union Annual Meeting: San Francisco, CA. (PDF)

 

Lachniet, M. S., Bernal, J. P., Asmerom, Y., and Polyak, V. J. 2011. A two millennia rainfall history for Mexico: evidence for a climatic forcing of the fall of Teotihuacán In "XVIII INQUA Congress." Bern, Switzerland.

 

Lachniet, M. S., Asmerom, Y., Polyak, V., and Bernal, J. P. 2011. Climate of Central Mexico since the rise of the Aztecs: testing climate hypotheses for famine and

disease epidemics. In "AGU Chapman Conference on Climates, Past Landscapes, and Civilizations." Santa Fe, NM.

 

Sloat, A.R., Lachniet, M.S., and Lawson, D.E., 2011, δ18O and δD suggest episodic Late Pleistocene ice wedge growth in Central Alaska, American Geophysical Union annual meeting: San Francisco, CA.

 

Lachniet, M.S., Bernal, J.P., and Asmerom, Y., 2010, Multidecadal rainfall variability in Mesoamerica over the Little Ice Age and Medieval time from a Mexican speleothem, AGU Meeting of the Americas: Foz do Iguacu, Brazil.

 

Sloat, A.R., Lachniet, M.S., and Lawson, D.E., 2010, A Surface Water Isoscape for Alaska Reveals the Climate, Moisture Source, and Physiographic Controls on δ18O, δD, and Deuterium Excess, American Geophysical Union Annual Meeting: San Francisco, CA.

 

Lachniet, M.S., Bernal, J.P., and Asmerom, Y., 2009, Highly variable ITCZ rainfall during the Medieval Climatic Anomaly from stalagmite proxy, southwestern Mexico: El Niño and La Niña forcing?, AGU 2009 Annual Meeting: San Francisco, CA

 

Griffing, C.Y., Lachniet, M.S., and Lawson, D.E., 2009, Pleistocene cooling event in a Central Alaskan ice wedge: Dansgaard-Oeschger cycle or regional event?, AGU Annual Meeting: San Francisco, CA.

 

Lachniet, M.S., Patterson, W.P., and Asmerom, Y., 2008. Stable Isotopes in modern water and ancient stalagmites from Central America: Implications for moisture transport and tropical-extratropical climate teleconnections. AGU Chapman Conference on Atmospheric Water Vapor, Kona, HI. (PDF). 

 

Lachniet, M.S. et al., 2007. Central American rainfall variations since 100 ka and moisture delivery to Greenland, American Geophysical Union Annual Meeting, San Francisco, CA.

 

Lachniet, M.S. and Asmerom, Y., 2007. Central American Rainfall Variations Over the Past 100,000 yr From Costa Rican Stalagmites: a Proxy for Cross-Isthmian Water Vapor Transport, AGU Joint Assembly, Acapulco, Mexico.

 

Roy, A.J. and Lachniet, M.S., 2007. Glacial age precipitation and temperature estimates for the tropical Guatemalan highlands. American Geophysical Union Annual Meeting 2007, San Francisco, CA.

 

Lachniet, M.S., Asmerom, Y., Burns, S. J., Polyak, V. J., Roy, A. J., Azouz, A., and Burt, L., 2006. The view from the Isthmus: Central American paleoclimates on millennial to multidecadal time scales. "American Geophysical Union Annual Meeting 2006. San Francisco, CA.

 

Roy, A.J. and Lachniet, M.S., 2006. Guatemalan glaciation: tropical ice cap reconstruction and assessment, American Geophysical Union Annual Meeting 2006, San Francisco, CA.

 

Lachniet, M.S., 2005. Registros de paleoclima a través de isótopos estables en espeleotémas: Ejemplos desde Panamá y Costa Rica, Universidad Autonoma de Mexico, Mexico City.

 

Lachniet, M.S., Asmerom, Y., Burns, S.J., Polyak, V., Burt, L. and Azouz, A., 2005a. Invited Talk: Speleothem Paleorainfall Records from the Isthmus of Panama: Tropical Forcing or Response to the Extratropics? AGU Annual Meeting. EOS - American Geophysical Union, San Francisco, CA.

 

Lachniet, M.S., Burns, S.J. and L., B., 2005b. Tropical and extratropical forcing of late Quaternary rainfall in Central America, AGU Chapman Conference on Tropical-Extratropical Climate Teleconnection, A long-term perspective. AGU, Honolulu, HI.

 

Lachniet, M.S., and Patterson, W.P., 2004. Stable isotope values of rainfall and surface waters from Panama and Costa Rica. AGU 2004 Annual Meeting, San Francisco, California.

 

Soraruf, R.E., Burns, S.J., Lachniet, M.S., and others. A high-resolution speleothem climate record for the past 5.2 ky from western Costa Rica.

 

Lachniet, M.S., Burns, S.J., Piperno, D.R., Asmerom, Y., Polyak, V.J., and Moy, C.M., 2003. An ~1500 year history of El Niño Southern Oscillation rainfall anomalies and land use for the Isthmus of Panama from speleothem calcite. AGU 2003 Annual Meeting, San Francisco, California.

 

Piperno, D., Ranere, A., Moreno, E., Lachniet, M., Iriarte, J., Holst, I. 2004. Preliminary results of investigations into Maize History in the Central Balsas Watershed, Mexico. Society for American Archeology 69th Annual Meeting, Montreal. 

 

P. Jay Fleisher (SUNY Oneonta), Matthew S. Lachniet, Ernest H. Muller, and Palmer K. Bailey; Subglacial deformation of trees within overridden foreland strata, Bering Glacier, Alaska, 2003. Binghamton Geomorphology Symposium.

 

Lachniet, M.S., Fleisher, P.J., Menzies, J., Muller, E.H., 2002. Microstructural evidence of subglacial deformation at the Bering Glacier, Alaska. GSA Annual Meeting, Denver, Colorado.

 

Lachniet, M.S., Patterson, W.P., Burns, S.J., Seltzer, G.O., Asmerom, Y., Polyak, V., Piperno, D., 2002. Variation in the Strength of the Central American Monsoon during the Holocene from speleothem proxy. AGU Annual Meeting, San Francisco, California.

 

Fleisher, P.J., Lachniet, M.S., Muller, E.H., 2002. Subglacial sediment deformation, Bering Glacier, Alaska. Annals of Glaciology, IGS Fast Flow symposium, Yakutat, Alaska, 2002.