{"id":31,"date":"2012-10-18T18:09:16","date_gmt":"2012-10-18T18:09:16","guid":{"rendered":"http:\/\/sites.coloradocollege.edu\/eleonard\/?page_id=31"},"modified":"2022-02-16T12:52:09","modified_gmt":"2022-02-16T19:52:09","slug":"research-quaternary-glaciation-ice-dynamics-and-paleoclimate-u-s-rocky-mountains","status":"publish","type":"page","link":"http:\/\/sites.coloradocollege.edu\/eleonard\/research-quaternary-glaciation-ice-dynamics-and-paleoclimate-u-s-rocky-mountains\/","title":{"rendered":"Quaternary glaciation, ice dynamics, and paleoclimate, U.S. Rocky Mountains"},"content":{"rendered":"<p align=\"justify\">Project involves field mapping of late Quaternary glacial and proglacial features and paleoglaciological reconstructions of alpine glaciers in the Colorado Rocky Mountains. The principal aim of the project is the use of paleoglaciology &#8212; equilibrium line reconstructions, ice flow dynamics, mass and energy balance modeling &#8212; to yield information on regional late Pleistocene to Holocene climatic change.<\/p>\n<p>\u00a0<a href=\"http:\/\/sites.coloradocollege.edu\/eleonard\/files\/2012\/10\/ph_eric_leonard_frontrange.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-75\" src=\"http:\/\/sites.coloradocollege.edu\/eleonard\/files\/2012\/10\/ph_eric_leonard_frontrange-300x205.jpg\" alt=\"\" width=\"300\" height=\"205\" srcset=\"http:\/\/sites.coloradocollege.edu\/eleonard\/files\/2012\/10\/ph_eric_leonard_frontrange-300x205.jpg 300w, http:\/\/sites.coloradocollege.edu\/eleonard\/files\/2012\/10\/ph_eric_leonard_frontrange.jpg 326w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<dl>\n<dd>Glacial cirques, Colorado Front Range, north from the Berthoud Pass area<\/dd>\n<\/dl>\n<p><strong>Funded Research:<\/strong><\/p>\n<ul>\n<li>&#8220;RUI: Collaborative Research: Glaciation and Climate Change in the Rocky Mountains During the Last Glacial Maximum and the Subsequent Deglaciation&#8221;<\/li>\n<\/ul>\n<blockquote>\n<p>Award Nos: EAR-1024838 and EAR-1024852<br \/>PIs: Eric Leonard and Benjamin J. Laabs, SUNY, College at Geneseo<br \/>September 15, 2010 to August 31, 2014.<\/p>\n<p>\u00a0<\/p>\n<\/blockquote>\n<p><strong>Publications:<\/strong><\/p>\n<p>(*denotes Colorado College student co-author)<\/p>\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"right\">\n<tbody>\n<tr>\n<td>\n<ul>\n<li class=\"x_MsoTitle\"><span class=\"\">Quirk, B.J., Huss, E., Laabs, B.J.C., Leonard, E.M., Licciardi, J.M., Plummer, M.A., Caffee, M.W., 2022. Late Pleistocene glacial chronologies and paleoclimate in the Northern Rocky Mountains, western Montana, U.S.A. submitted to <i class=\"\">Climate of the Past<\/i> 18, 293-312. <a class=\"\" href=\"http:\/\/httrs\/doi.org\/cp-18-293-2022\" target=\"_blank\" rel=\"noopener noreferrer\" data-auth=\"NotApplicable\" data-linkindex=\"0\">http:\/\/httrs\/doi.org\/cp-18-293-2022<\/a><\/span><\/li>\n<li class=\"x_MsoTitle\"><span class=\"\">Brugger, K.A., Leonard, E.M., Refsnider, K.A., Dolan, P. 2021.,\u00a0<\/span><span class=\"\">Climate on the Blanca Massif, Sangre De Cristo Mountains, Colorado, USA, during the Last Glacial Maximum.<\/span><span class=\"\">\u00a0Quaternary\u00a04.<\/span><span class=\"\">\u00a0<a class=\"\" href=\"https:\/\/doi.org\/10.3390\/quat4030027\" target=\"_blank\" rel=\"noopener noreferrer\" data-auth=\"NotApplicable\" data-linkindex=\"1\">https:\/\/doi.org\/10.3390\/quat4030027<\/a><\/span><\/li>\n<li>\n<p>Schweinsberg, A.D., Briner, J.P., Licciardi, J.M., Shroba, R.R., Leonard, E.M., 2020. Cosmogenic <sup>10<\/sup>Be exposure dating of Bull Lake and Pinedale glaciations and deglaciation in the upper Arkansas River valley, Colorado Rocky Mountains, U.S.A. <em>Quaternary Research<\/em> 97. <a href=\"http:\/\/doi:%2010.1017\/qua.2020.21.\">http:\/\/doi: 10.1017\/qua.2020.21.<\/a><\/p>\n<\/li>\n<li>\n<p>Laabs, B.J.C., Licciardi, J.M., Leonard, E.M., J.M., Marchetti, D.W., Munroe, J. S., 2020. Updated cosmogenic chronologies of Pleistocene mountain glaciation in the western United States and associated paleoclimate inferences. <em>Quaternary Science Reviews <\/em>242. <a href=\"https:\/\/doi.org\/10.1016\/j.quascirev.2020.106427\">https:\/\/doi.org\/10.1016\/j.quascirev.2020.106427<\/a><\/p>\n<\/li>\n<li>\n<p>Tulenko, J.P., Caffee, W., Schweinsberg, A.D., Briner, J.P., Leonard, E.M., 2020. Delayed and rapid deglaciation of alpine valleys in the Sawatch Range, southern Rocky Mountains, USA. <em>Geochronology<\/em> 2, 1-11.\u00a0 <a href=\"http:\/\/doi.org\/10.5194\/gchron-2-1-2020\">http:\/\/doi.org\/10.5194\/gchron-2-1-2020<\/a><\/p>\n<\/li>\n<li>Leonard, E.M., Laabs, B.J., Schweinsberg, A.D., *Russell, C.M., Briner, J.P., Young, N.E., 2017. Glaciation in the Colorado Rocky Mountains, USA, following the last glacial maximum.\u00a0 <em>Cuadernos de Investigaci\u00f3n Geogr\u00e1fica<\/em> 43, 497-526. <a href=\"http:\/\/doi.org\/10.18172\/cig.3234\">http:\/\/doi.org\/10.18172\/cig.3234<\/a><\/li>\n<\/ul>\n<ul>\n<li>Leonard, E.M., Laabs, B.J.C., *Kroner, R.K., Plummer, M.A., Brugger, K.A., Refsnider, *K.A., Spiess, V.M., Caffee, M.W., 2017. Late Pleistocene glaciation and deglaciation in the Crestone Peaks area, Colorado Sangre de Cristo Range \u2013 chronology and paleoclimate. <em>Quaternary Science Reviews <\/em>158, 127-144. doi: 10.1016\/jquascirev.2016.11.024<\/li>\n<\/ul>\n<ul>\n<li>Schweinsberg, A.D., Briner, J.P., Shroba, R.R., Licciardi, J.M., Leonard, E.M., Brugger, K.A., and *Russell, C.M., 2016. Pinedale glacial history of the upper Arkansas River valley: New moraine chronologies, modeling results, and geologic mapping. In <em>Unfolding the Geology of the West<\/em>, Keller, S.M., and Morgan, M.L., (eds.), <em>Geological Society of America<\/em><em> Field Guide<\/em> 44, pp. 335-353, doi: 10.1130\/2016.0044(14).<\/li>\n<\/ul>\n<ul>\n<li>Leonard, E.M., Plummer, M.A., Carrara, P.E., 2014, Numerical modeling of the Snowmass Creek paleoglacier, Colorado: implications for climate in the Rocky Mountains during the Bull Lake glaciation (MIS 6). <i>Quaternary Research<\/i> 82, 533-541. <a href=\"http:\/\/dx.doi.org\/10.1016\/j.yqres.2014.03.001\">http:\/\/dx.doi.org\/10.1016\/j.yqres.2014.03.001<\/a><\/li>\n<\/ul>\n<ul>\n<li>Miller, I.M., Pigati, J.S., Anderson, R.S., Johnson, K.R., Mahan, S.A., Ager, T.A., Baker, R.G., Blaauw, M., Bright, J., Brown, P.M., Bryant, B., Calamari, Z.T., Carrara, P.E., Cherney, M.D., Demboski, J.R., Elias, S.A., Fisher, D.C., Gray, H.J., Haskett, D.R., Honke, J.S., Jackson, S.T., Jim\u00e9nez-Moreno, G., Kline, D., Leonard, E.M., Lifton, N.A., Lucking, C., McDonald, H.G., Miller, D.M., Muhs, D.R., Nash, S.E., Newton, C., Paces, J.B., Petrie, L., Plummer, M.A., Porinchu, D.F., Rountrey, A.N., Scott, E., Sertich, J.J.W., Sharpe, S.E., Skipp, G.L., Strickland, L.E., Stucky, R.K., Thompson, R.S., and Wilson, J., 2014, A high-elevation, multi-proxy biotic and environmental record of MIS 6-4 from the Ziegler Reservoir fossil site, Snowmass Village, Colorado, USA.\u00a0 <i>Quaternary Research<\/i>,<i> 82<\/i>, 618-634. <a href=\"http:\/\/dx.doi.org\/10.1016\/j.yqres.2014.07.004\">http:\/\/dx.doi.org\/10.1016\/j.yqres.2014.07.004<\/a><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li>Young, N.E., Briner, J.P., Leonard, E.M., Licciardi, J.M., Lee, K, 2011, Assessing climatic and non-climatic forcing of Pinedale glaciation and deglaciation in the western United States, <i>Geology, <\/i>v. 39, No. 2, p. 171-174.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li>McCalpin, J.P., Briner, J., Young, N., Leonard, E., Ruleman, C., 2010, Quaternary geology and geochronology of the uppermost Arkansas valley: glaciers, ice dams, landslides, floods: <i>Crestone Science Center Field Guide<\/i> 6, 50 p.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li>Refsnider, K.A., Brugger, K.A., Leonard, E.M., McCalpin, J.P., *Armstrong, P.P., 2009, Last glacial maximum equilibrium-line altitude trends and precipitation patterns in the Sangre de Cristo Mountains, southern Colorado, USA. <i>Boreas<\/i> 38, 663-678. DOI: 10.1111\/j.1502-3885.2009.00097.x.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li>Leonard, E.M., 2007, Modeled patterns of Late Pleistocene glacier inception and growth in the Southern and Central Rocky Mountains, USA: sensitivity to climate change and paleoclimatic implications. <i>Quaternary Science Reviews<\/i> 26, 2156\u20132166.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li>Leonard, E.M., 1989, Climatic change in the Colorado Rocky Mountains: estimates based on modern climate at late Pleistocene equilibrium lines: <i>Arctic and Alpine Research<\/i> 21, 245\u2013255.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li>Leonard, E.M., 1984, Late Pleistocene equilibrium-line altitudes and modern snow accumulation patterns, San Juan Mountains, Colorado: <i>Arctic and Alpine Research<\/i> 16, 65\u201376.<\/li>\n<\/ul>\n<p><b>Abstracts<\/b>:<\/p>\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>\n<p><span class=\"\">Brugger, K.A., Leonard, E.M., Refsnider, K.A., Dolan, P., 2021, <\/span><span class=\"\">Glaciation of the Blanca Massif, Sangre De Cristo Mountains, Colorado, during the Last Glacial Maximum: implications for climate. <\/span><i class=\"\"><span class=\"\">Geological Society of America Abstracts with Programs<\/span><\/i><span class=\"\">.<\/span><\/p>\n<p>Tulenko, J.P., Caffee, W., Schweinsberg, A.D., Briner, J.P., Leonard, E.M., 2019, Rapid and synchronous deglaciation of three adjacent alpine valleys in the Arkansas River Valley, CO at the Heinrich Stadial 1\/B\u00f8lling transition. <em>Geological Society of America Abstracts with Programs<\/em>.<\/p>\n<p>Leonard, E.M., Plummer, M.A. Laabs, B.J., 2019, The significance of interannual variability for paleoclimatic reconstructions from moraine sequences. <em>International Union for Quaternary Research, XXth International Congress<\/em>.<\/p>\n<p>Leonard, E.M., Laabs, B.J., Plummer, M.A. 2018, Last Glacial Maximum (LGM) climate variability along the crest of the U.S. Rocky Mountains \u2013 insights from numerical modeling. <em>American Geophysical Union 2018 Fall Meeting <\/em>Abstract.<\/p>\n<p>Laabs, B.J., Leonard, E.M., Liccardi, J.M., Munroe, J.S., 2018, Cosmogenic chronologies of Late Pleistocene glacial maxima along the crest of the Rocky Mountains, U.S.A. <em>American Geophysical Union 2018 Fall Meeting <\/em>Abstract.<\/p>\n<p>Schweinsberg, A.D., Briner, J.P., Licciardi, J.M., Leonard, E.M., Shroba, R.R., Caffee, W., 2017, A detailed chronology of the last deglaciation developed from 10Be dating of moraines and bedrock in the upper Arkansas River valley, Colorado Rocky Mountains, U.S.A.<em> Geological Society of America Abstracts with Programs<\/em>.<\/p>\n<p>Laabs, B.J., Liccardi, J.M., Marchetti, D.W., Munroe, J.S., Leonard, E.M., 2017, Cosmogenic nuclide exposure age limits on the penultimate glaciation in the conterminous western U.S. <em>Geological Society of America Abstracts with Programs.<\/em><\/p>\n<p>Leonard, E.M., Laabs, B.J., Plummer, M.A. 2017, How important is interannual variability in the climatic interpretation of moraine sequences?<em> American Geophysical Union 2017 Fall Meeting <\/em>Abstract.<\/p>\n<p>*Russell, C.M., Leonard, E.M., 2016, CRN Dating and Numerical Glacier Modeling to Investigate Climate During the Last Glacial Maximum, and the Subsequent Deglaciation, Sawatch Range, Colorado.<em> American Geophysical Union 2016 Fall Meeting <\/em>Abstract.<\/p>\n<p>Laabs, B.J., Licciardi, J.M., Leonard, E.M., Munroe, J.S., 2015, Identifying signals of Late Pleistocene climate change from cosmogenic <sup>10<\/sup>Be chronologies of moraines in the western U.S.<em> American Geophysical Union 2015 Fall Meeting <\/em>Abstract.<\/p>\n<p>Laabs, B.J., Licciardi, J.M., Leonard, E.M., Munroe, J.S., 2014,<b> <\/b>Cosmogenic <sup>10<\/sup>Be exposure ages of terminal moraines in the western U.S.: reconsidering production rates and climate changes accompanying the last deglaciation. <i>Geological Society of America Abstracts with Programs<\/i>.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Leonard, E.M., Laabs, B.J., Plummer, M.A., 2014, Numerical modeling of Rocky Mountain paleoglaciers \u2013 insights into the climate of the last glacial maximum and the subsequent deglaciation. <i>American Geophysical Union 2014 Fall Meeting <\/i>Abstract.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Leonard, E.M., *Spiess, V.M., Laabs, B.J., Plummer, M.A., Refsnider, K.A., Brugger, K.A., Caffee, M.C., 2014, chronology and climate of the last glaciation and deglaciation in the Sangre de Cristo Range, Colorado.<i> American Quaternary Association Program and Abstracts,<\/i> 23ed biennial meeting.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>*Crawford, E.E., Leonard, E.M., Plummer, M.A., 2013, Two distinct estimates of Last Glacial Maximum climate On the Pikes Peak massif, Front Range, central Colorado, using numerically modeled 2d paleoglacier reconstructions, <i>Geological Society of America Abstracts with Programs<\/i>.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Spears, A.J., Laabs, B.J., Leonard, E.M., Plummer, M.A., Caffee, M.W., 2013, Cosmogenic exposure dating and numerical modeling of the Pleistocene South Fork Deep Creek valley glacier, northern Absaroka Mountains, Montana. <i>Geological Society of America Abstracts with Programs<\/i>.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Laabs, B.J., Leonard, E.M., Plummer, M.A., Quirk, B., Wistort, M.W., Caffee, M.W., 2013, A cosmogenic <sup>10<\/sup>Be chronology of the last Pleistocene glaciation in the northernmost U.S. Rocky Mountains and inferences of climate change. <i>Geological Society of America Abstracts with Programs<\/i>.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>*Gall, R.D., Leonard, E.M., Plummer, M.A., 2013, Numerical modeling of the Middle Boulder Creek paleoglacier in the Colorado Front Range: insights into LGM paleoclimate and post-LGM rates of climate change. <i>Geological Society of America Abstracts with Programs<\/i>.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Licciardi, J.M., Laabs, B.J., Pierce, K. L., Munroe, J.S., Leonard, E.M., 2013, Review of the timing, extent, and climatic significance of western U.S. mountain glaciation during the penultimate (marine isotope stage 6) glacial maximum. <i>Geological Society of America Abstracts with Programs<\/i>.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Leonard, E.M., Plummer, M.A., Carrara, P.E., 2013, Numerical modeling of the Snowmass Creek paleoglacier, Colorado: implications for Middle and Late Pleistocene climate in the Rocky Mountains. <i>American Geophysical Union 2013 Fall Meeting <\/i>Abstract.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>Leonard E.M., Laabs, B., Refsnider K., Plummer, M.A., 2012, Changing precipitation regimes and patterns of LGM glaciation in the Rocky Mountains of the western United States. <i>Quaternary International<\/i> 279-280, 276-277.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Leonard, E.M., Plummer, M.A., 2012, Numerical modeling of the Snowmass Creek paleoglacier and preliminary estimates of glacial maximum climate: <i>Program and Abstracts of First Snowmastodon Science Team Meeting, Denver Museum of Nature and Science Technical Report<\/i> 2012-5, 19.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Leonard, E.M., Laabs, B.J.C., Plummer, M.A., Huss, E., *Spiess, V.M., *Mackall, B.T., Jacobsen, R.E., and Quirk, B., 2012, Climate along the crest of the US Rocky Mountains during the last glaciation: preliminary insights from numerical modeling of paleoglaciers. <i>American Geophysical Union 2012 Fall Meeting<\/i> Abstract PP51A-2106<i>.<\/i><\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Huss, E., Laabs, B.J., Leonard, E.M., Licciardi, J.M., Plummer, M.A., Caffee, M.W. (2012) Pace of glacial retreat and limits on paleoclimate conditions for the Pine Creek Glacier, Montana, during the Pinedale Glaciation. <i>American Geophysical Union 2012 Fall Meeting<\/i> Abstract C53A-0823<i>.<\/i><\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Quirk, B., Laabs, B.J., Leonard, E.M., Caffee, M.W., 2012, Cosmogenic <sup>10<\/sup>Be Exposure Age for the Cut Bank Creek terminal moraine, Glacier National Park, MT. <i>American Geophysical Union 2012 Fall Meeting <\/i>Abstract C53A-0824<i>.<\/i><\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>*Mackall, B.T., and Leonard, E.M., 2011, Estimates of the Last Glacial Maximum climate of the Snowy Range, southern Wyoming, using numerically modeled paleoglacier reconstructions, Abstracts with Program, Geological Society of America Annual Meeting, <i>Geological Society of America Abstracts with Programs<\/i> 43.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Leonard, E.M., Laabs, B., Refsnider, K., Plummer, M.A., 2011, Changing precipitation regimes and patterns of LGM glaciation in the Rocky Mountains of the western United States. Abstract, XVIII INQUA Congress, Bern.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Brugger, K.A., Leonard, E.M., Lee, K., *Bush, M.A., 2011, Discharge estimates for a glacial outburst paleoflood on the upper Arkansas River, Colorado, from an ice-dam failure model: <i>Geological Society of America Abstracts with Programs<\/i> 43.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Leonard, E.M., Laabs, B.J.C., Refsnider, K.A., Plummer, M.A., *Jacobsen, R.E., Wollenberg, J.A., Plummer, M.A., 2010, Last Glacial Maximum Climate in the Central Rocky Mountains, USA: <i>Eos Trans. AGU, 91<\/i> ( ), Fall Meet. Suppl., Abstract PP1.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Briner, J.P., Young, N.E., Leonard, E.M., Lee, K., 2010: A New 10Be Chronology of Late Pleistocene moraines and glacial outburst flood terraces in the upper Arkansas River Valley, Colorado: <i>Geological Society of America Abstracts with Programs<\/i> 42.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Jacobsen, R.E., Leonard, E.M., Plummer, M.A., 2010: Last Glacial Maximum Climate in the souternmost Rocky Mountains, USA: <i>Geological Society of America Abstracts with Programs<\/i> 42.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Young, N.E., Briner, J.P., Leonard, E.M., Licciardi, J., and Lee, K., 2010, Assessing climatic and non-climatic forcing of Pinedale glaciation and deglaciation in the western U.S.: <i>Geological Society of America Abstracts with Programs <\/i>42.<\/td>\n<\/tr>\n<tr>\n<td>\u00a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Brugger, K.A., Refsnider, K.A., Leonard, E.M., 2009, Late Pleistocene climate on the Blanca Massif, Sangre de Cristo Range, Colorado:<i> Geological Society of America Abstracts with Programs<\/i> 41, 640.<\/p>\n<p>Leonard, E.M., Brugger, K.A., Refsnider, K.A., *Wollenberg, J.A., Plummer, M.A., 2008, Last Glacial Maximum Climate in the Central Rocky Mountains, USA: <i>Eos Trans. AGU, 89<\/i>(53), Fall Meet. Suppl., Abstract PP13B-1452.<\/p>\n<p>Refsnider, K.A., Brugger, K.A., Leonard, E.M., McCalpin, J.P., *Armstrong, P., 2007, Late Pleistocene equilibrium line altitude trends and precipitation distribution in the Sangre de Cristo Range, Colorado:<i> Geological Society of America Abstracts with Programs<\/i> 39, 79-80.<\/p>\n<p>*Armstrong, P.P., Leonard, E.M., MacGregor, K., 2007, Late Pleistocene glacier dynamics and paleoclimate in the Sangre de Cristo Mountains, Colorado: <i>Geological Society of American Abstracts with Programs<\/i> 39, 503.<\/p>\n<p>Brugger, K.A., Refsnider, K.A., Leonard, E.M., McCalpin, J.P., 2007, Late Pleistocene equilibrium\u2013line altitudes and climate on the Blanca Massif, Sangre de Cristo Range, Colorado: <i>Geological Society of American Abstracts with Programs<\/i> 39, 79.<\/p>\n<p>Leonard, E.M., Brugger, K.A., Leonard, E.M., Armstrong, P., 2007, Estimates of climate at the last glacial maximum (LGM) in the Colorado Rockies: convergence of results from different paleoglaciological approaches: <i>Geological Society of American Abstracts with Programs<\/i> 39, 82.<\/p>\n<p>Refsnider, K.A., Brugger, K.A., Leonard, E.M., McCalpin, J.P., Armstrong, P., 2007, Late Pleistocene equilibrium line altitude trends and precipitation distribution in the Sangre de Cristo Range, Colorado: <i>Geological Society of American Abstracts with Programs<\/i> 39, 79.<\/p>\n<p>Leonard, E.M., 2006, Climatic and Topographic Controls on Inception and Growth of Late Pleistocene Glaciation in the Southern and Central Rocky Mountains, USA: <i>American Quaternary Association Program and Abstracts<\/i>, 19th biennial meeting, 105.<\/p>\n<p>Leonard, E.M., 2006, Late Pleistocene glaciation in the southern and Middle Rocky Mountains, USA: climatic controls, chronology, and paleoclimate: Abstracts Volume \u2013\u2013 INQUA Workshop: Timing and Nature of Mountain Glaciation, from High Asia to the World, p. 25.<\/p>\n<p>Leonard, E.M., 2004, Late Pleistocene Glaciation and Paleoclimate in the Rocky Mountains: insights From GIS Analysis: American Geophysical Union Abstracts.<\/p>\n<p>Leonard, E.M., Panfil, M.S., Merritts, D.J., Muriceak, D.R., Carson, R.J., MacGregor, K.C, and McMillan, S.A., 1994, Late Pleistocene ice-dammed lakes, drainage diversion, and outburst flooding &#8212; upper Rio Grande Drainage, San Juan Mountains, Colorado: Geological Society of America Abstracts with Programs 26, 25\u201326.<\/p>\n<p>Leonard, E., Merrits, D., Carson, R. 1993, Quaternary geology, upper Rio Grande Drainage, San Juan Mountains, Colorado: Sixth Keck Research Symposium in Geology (abstracts volume), 170\u2013172.<\/p>\n<p>Leonard, E.M., 1992, Late Pleistocene moisture sources in the Colorado Rocky Mountains, deduced from paleo equilibrium line altitudes and modern snow accumulation patterns: American Quaternary Association Program and Abstracts, 12th biennial meeting, 70.<\/p>\n<p>Leonard, E.M. and McCoy, W.D., 1990, An energy balance model of the late Pleistocene Middle Boulder Creek Glacier, Colorado Front Range: Geological Society of America Abstract with Programs 22, 19.<\/p>\n<p>Zielinski, G.A. and Leonard, E,M,, 1989, Lacustrine sediment record of late Holocene periglacial activity in the upper Spruce Creek Valley, Tenmile Range, Colorado, U.S.A.: Canadian Quaternary Association Abstracts, 51.<\/p>\n<p>Leonard, E.M. 1988, Estimates of late Pleistocene to Holocene climatic change in the Colorado Rocky Mountains: American Quaternary Association Program and Abstracts, 10th biennial meeting, 131.<\/p>\n<p>Leonard, E.M., *Huston, M.M., and *Manley, A.E., 1986, Ice dynamics modeling of Rocky Mountain paleoglaciers &#8211; methods, results, and paleoclimatic inferences: Geological Society of America Abstract with Programs 18, 671.<\/p>\n<p>Leonard, E.M., 1979, Topography and glaciation in the San Juan Mountains and Front Range, Colorado: Geological Society of America Abstract with Programs 11, 277.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Project involves field mapping of late Quaternary glacial and proglacial features and paleoglaciological reconstructions of alpine glaciers in the Colorado Rocky Mountains. The principal aim of the project is the use of paleoglaciology &#8212; equilibrium line reconstructions, ice flow dynamics, &hellip; <a href=\"http:\/\/sites.coloradocollege.edu\/eleonard\/research-quaternary-glaciation-ice-dynamics-and-paleoclimate-u-s-rocky-mountains\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":228,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-31","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/pages\/31","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/users\/228"}],"replies":[{"embeddable":true,"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/comments?post=31"}],"version-history":[{"count":16,"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/pages\/31\/revisions"}],"predecessor-version":[{"id":185,"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/pages\/31\/revisions\/185"}],"wp:attachment":[{"href":"http:\/\/sites.coloradocollege.edu\/eleonard\/wp-json\/wp\/v2\/media?parent=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}