Les McFadden
University of New Mexico, Albuquerque, NM
Activity
2022
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THE IMPORTANCE OF VEGETATION AND SOIL DEVELOPMENT IN MODULATING HILLSLOPE RESPONSE TO CLIMATE CHANGE IN THE MOJAVE DESERT
17 Science at the Intersection of Soils, Weathering, Geomorphology, Climate, Ecology and Wildfire—A Tribute to the Careers of Les McFadden and Grant MeyerWednesday, 16 March 20228:00 AM - 12:00 PMCBC-A 108
2021
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LATE QUATERNARY GEOCHRONOLOGIC RECORD OF SOIL FORMATION AND EROSION: THE IMPORTANCE OF VEGETATION IN MODULATING HILLSLOPE RESPONSE TO CLIMATE CHANGE
T180 Weathering and Soils: Advances in Understanding Rates, Mechanisms, Controlling Factors and FeedbacksTuesday, 12 October 20211:30 PM - 5:30 PMD139/D140
2019
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DIGGING DEEPER INTO THE TEMPO AND MODES OF CLIMATE CHANGE-INDUCED ENVIRONMENTAL TRANSITIONS ON HILLSLOPES, EASTERN MOJAVE DESERT
T76 Geomorphology and Climate Change in Hot DesertsMonday, 23 September 20198:00 AM - 12:00 PMRoom 221AB, North Building
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CLIMATIC CONTROLS ON THE TIMING OF HILLSLOPE SOIL FORMATION AND EROSION IN THE EASTERN MOJAVE DESERT
T76 Geomorphology and Climate Change in Hot DesertsMonday, 23 September 20198:00 AM - 12:00 PMRoom 221AB, North Building
2018
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LATE QUATERNARY SOIL DEVELOPMENT ENHANCES EOLIAN LANDFORM STABILITY, MOENKOPI PLATEAU, SOUTHERN COLORADO PLATEAU, USA
T26 Processes and Feedbacks in the Critical Zone (Posters)Sunday, 4 November 20189:00 AM - 5:30 PMHalls J-K
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OSL DATES RECORD ASPECT-RELATED DIFFERENCES IN SOURCE AND TIMING OF SEDIMENTS IN SOILS OF MOJAVE DESERT HILLSLOPES
T69 Where Does the Wind Blow? Aeolian Systems in Time and Space IISunday, 4 November 20181:30 PM - 5:30 PMRoom 138-139
2017
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GSA QUATERNARY GEOLOGY AND GEOMORPHOLOGY DIVISION KIRK BRYAN AWARD: SOIL GEOMORPHOLOGICAL RESEARCH IN ARIDLANDS: THERE MIGHT BE A LITTLE DUST ON THE BOTTLE—IT’S ONE OF THOSE THINGS THAT GETS SWEETER WITH TIME
T212 How, and Under What Conditions, Does Weathering Influence Surface Processes?Tuesday, 24 October 20178:00 AM - 12:00 PMChelan 2
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HILLSLOPES IN THE MOJAVE: REGIMES OF WEATHERING, SOIL FORMATION, AND EROSION ALTERED BY A FLIP OF THE PLEISTOCENE-HOLOCENE CLIMATE SWITCH
T212 How, and Under What Conditions, Does Weathering Influence Surface Processes?Tuesday, 24 October 20178:00 AM - 12:00 PMChelan 2
2016
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ASPECT AND CLIMATIC CONTROLS ON ECOGEOMORPHIC RELATIONSHIPS AND LANDSCAPE EVOLUTION IN THE MOJAVE DESERT
T219 Quantifying and Interpreting the Role of Climate, Tectonics, and Autogenic Processes in Landscape DynamicsTuesday, 27 September 20161:30 PM - 5:30 PMRoom 405
2015
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GEOMORPHIC PROCESSES PROMOTING MAMMOTH BURIAL AND SKELETAL PRESERVATION IN NORTH CENTRAL NEW MEXICO
310 Quaternary Geology: Pleistocene to Holocene Deposits, Landforms and Processes (Posters)Wednesday, 4 November 20159:00 AM - 6:30 PMExhibit Hall
2013
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DESERT PAVEMENT PROCESSES AND FORM: INFLUENCES ON HYDROLOGIC PROCESSES AND LONG-TERM LANDSCAPE EVOLUTION IN ARID REGIONS
T166 Deserts: Quaternary Hydro-Geomorphic, Climatic, and Environmental Changes in the World's Deserts: Honoring Prof. Farouk El-BazMonday, 28 October 20131:00 PM - 5:00 PMMile High Ballroom 3C
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STRONGLY DUST-INFLUENCED SOILS AND LANDSCAPE DYNAMICS IN VEGETATED ARIDLANDS OF THE SOUTHWESTERN UNITED STATES
5 Special Session: GSA 125th Anniversary Books: I, The Web of Geological Sciences: Advances, Impacts, and Interactions; II, The Impact of Geological Sciences on Society: Authors Present Summaries of Their Articles ISunday, 27 October 20138:00 AM - 12:00 PMRoom 607
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SOIL GEOMORPHOLOGICAL STUDIES OF HILLSLOPES IN SEMIARID REGIONS IN ARIZONA AND NEW MEXICO: INFLUENCES OF CLIMATE CHANGE AND ROCK TYPE
T8 The Co-Evolution of Soils and Landscapes in the QuaternarySunday, 27 October 20138:00 AM - 12:00 PMMile High Ballroom 3C
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STONGLY DUST-INFLUENCED SOILS AND LANDSCAPE DYNAMICS IN VEGETATED ARIDLANDS OF THE SOUTHWESTERN U.S
12 Dust and Soil Geomorphological Research of the Intermountain West and Colorado Plateau: Applications and ApproachesThursday, 16 May 20139:15 AM - 11:30 AMSouth Conference Room
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IMPACTS OF CLIMATE CHANGE ON THE FORMATION AND STABILITY OF LATE QUATERNARY SAND SHEETS AND FALLING DUNES, SOUTHERN COLORADO PLATEAU, USA
12 Dust and Soil Geomorphological Research of the Intermountain West and Colorado Plateau: Applications and ApproachesThursday, 16 May 20139:15 AM - 11:30 AMSouth Conference Room
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INFLUENCES OF SLOPE ASPECT, DUST AND PLANT COMMUNITY COMPOSITION ON THE STABLE ISOTOPE COMPOSITION OF PEDOGENIC CARBONATE IN SOILS ON A BASALTIC VOLCANO, CENTRAL NEW MEXICO
12 Dust and Soil Geomorphological Research of the Intermountain West and Colorado Plateau: Applications and ApproachesThursday, 16 May 20139:15 AM - 11:30 AMSouth Conference Room
2012
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EPISODES OF INCREASED FROST SHATTERING FACILITATE NON-STEADY STATE ACCRETIONARY SOIL DEVELOPMENT ON HILLSLOPES IN THE SANDIA MOUNTAINS, NEW MEXICO
T49 Advances in the Study of Physical Weathering Processes and Their Influence on Landscape EvolutionSunday, 4 November 20121:30 PM - 5:30 PM207BC
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ASPECT-RELATED MICROCLIMATIC INFLUENCES ON PHYSICAL WEATHERING AND HILLSLOPE GEOMORPHOLOGY, BLACK MESA AREA, NORTHEASTERN ARIZONA
T49 Advances in the Study of Physical Weathering Processes and Their Influence on Landscape EvolutionSunday, 4 November 20121:30 PM - 5:30 PM207BC
2011
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APLITE COLLUVIUM AND DUST INFLUX PRODUCE ACCRETIONARY HILLSLOPE SOILS IN THE SANDIA MOUNTAINS, NEW MEXICO
194 GeomorphologyTuesday, 11 October 20111:30 PM - 5:30 PMRoom L100FG
2010
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SOIL PRODUCTION ≠ SOIL FORMATION
T146 Soil Geomorphology: Deciphering Landscapes, Surficial Processes, and Quaternary History through Pedology-Based Geomorphic Study II: In Honor of Pete BirkelandMonday, 1 November 20101:30 PM - 5:30 PMRoom 406
2009
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BLACK MESA REVISITED: NEW OSL AGES PROVIDE EVIDENCE OF MIS3 AND MIS2 EOLIAN ACTIVITY ON BLACK MESA, NORTHEASTERN ARIZONA
T94 Geoarchaeology, Reconstructions of Paleoenvironments and Past Human- Environment InteractionsMonday, 19 October 20098:00 AM - 12:00 PME146
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BIOGEOMORPHOLOGY AND SOIL GEOMORPHOLOGY OF SMALL SEMI-ARID BASINS, NORTHEASTERN ARIZONA: INFLUENCES OF TOPOCLIMATE AND CLIMATE VARIATION
5 Quaternary Geology: Glaciation, Paleoclimate, and Landscape HistorySunday, 18 October 20098:00 AM - 12:00 PMB114/115
2008
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Complex Polygenesis and Soil Stratigraphy of Soils of the Eastern Sevilleta National Wildlife Refuge, Belen, NM
299 Geomorphology (Posters)Wednesday, 8 October 20088:00 AM - 6:00 PM
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New Field Data Supporting the Role of Insolation in Physical Weathering
T335 Integration of Soils and Geomorphology in Deserts: A Tribute to the 50 Years of Soil Research of Dan YaalonTuesday, 7 October 20088:00 AM - 12:00 PM
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Soil-Geomorphology and the Reconstruction of Landscapes of the Past
205 Critical Zone Studies of Soils and Weathering: Implications for Interpreting Climate and Landscapes of the PastMonday, 6 October 20081:30 PM - 5:30 PM
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Seasonal Biases In δ13C Values of Soil and Cave Carbonates
205 Critical Zone Studies of Soils and Weathering: Implications for Interpreting Climate and Landscapes of the PastMonday, 6 October 20081:30 PM - 5:30 PM
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BIOGEOMORPHOLOGY OF SMALL SEMI-ARID BASINS, NORTHEASTERN ARIZONA
28 Geomorphic Responses to Holocene Climate Change in the Western USA IFriday, 21 March 20088:00 AM - 11:20 AM
2007
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THE INFLUENCE OF BEDROCK WEATHERING ON THE RESPONSE OF DRAINAGE BASINS AND ASSOCIATED ALLUVIAL FANS TO HOLOCENE CLIMATES, SAN BERNARDINO MOUNTAINS CALIFORNIA
T93 Evidence of Climatic and Tectonic Change Recorded in Alluvial FansMonday, 29 October 20071:30 PM - 5:30 PM
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EXTREME CONDITIONS OF PEDOGENIC CARBONATE FORMATION AND IMPLICATIONS FOR PALEOENVIRONMENTAL RECONSTRUCTION AND PALEOSOL PCO2 BAROMETRY
T65 Geomorphology and Ecology: Interactions and FeedbacksMonday, 29 October 20078:00 AM - 12:00 PM
2005
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DETERMINATION OF HILLSLOPE EROSION RATES DURING THE LATE HOLOCENE BASED ON COSMOGENIC SURFACE AGE DATING OF HOODOOS, NORTHEASTERN ARIZONA
100 Quaternary Geology IMonday, 17 October 20051:30 PM - 5:30 PM
2004
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ASPECT AND MICROCLIMATIC INFLUENCES ON HILLSLOPE GEOMORPHOLOGY, NORTHEASTERN ARIZONA
164 Weathering, Slopes, Climate, and Late-Quaternary Geomorphic Change in Arid and Semi-Arid LandscapesTuesday, 9 November 20041:30 PM - 5:30 PM
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ABRUPT TRANSITIONS FROM PROLONGED DROUGHT TO WET INTERVALS: CLIMATIC TRIGGER FOR HILLSLOPE EROSION EVENTS IN THE COLORADO PLATEAU, NORTHEASTERN ARIZONA, U.S.A
164 Weathering, Slopes, Climate, and Late-Quaternary Geomorphic Change in Arid and Semi-Arid LandscapesTuesday, 9 November 20041:30 PM - 5:30 PM
2002
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SOLAR INSOLATION AND PHYSICAL WEATHERING IN DESERTS: REVISITING AN OLD IDEA
164 Quaternary Geology/Geomorphology IIITuesday, 29 October 20021:30 PM - 5:30 PM
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MICROCLIMATIC CONTROLS ON SLOPE FORMS AND PROCESSES, NORTHEASTERN ARIZONA
T109 Response of Dryland Geomorphic Systems to Climate Change and VariabilityMonday, 28 October 20021:30 PM - 5:30 PM
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LATE HOLOCENE BEHAVIOR OF SMALL DRAINAGE BASINS ON THE COLORADO PLATEAU: INFLUENCES OF LITHOLOGY, BASIN FORM AND CLIMATE CHANGE
T109 Response of Dryland Geomorphic Systems to Climate Change and VariabilityMonday, 28 October 20021:30 PM - 5:30 PM
Date Unknown
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Integrating Different Conceptual Models In Studies of Topography-Soil Relations: The Importance of Chronosequence-Based Studies
T150 Soil Geomorphology and Chronosequences (Posters)
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PETROLOGIC ANALYSIS OF A REGOLITH/BEDROCK INTERFACE IN THE JURASSIC MORRISON FORMATION, NORTHEASTERN ARIZONA
21 Quaternary Geology and Geomorphology (Posters)
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Influences of Topoclimate, Soil-Forming Processes, and Vegetation Distribution on the Evolution of Hillslopes in the Sevilleta Wildlife Refuge, Central New Mexico
T150 Soil Geomorphology and Chronosequences (Posters)
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SOIL GEOMORPHOLOGY OF THE NORTH FLANK OF THE SAN BERNARDINO MOUNTAINS, CALIFORNIA: A SUMMARY OF INTERACTIONS AND FEEDBACKS BETWEEN SOIL DEVELOPMENT AND LANDSCAPE EVOLUTION AT VARIOUS TEMPORAL AND SPATIAL SCALES
57 New Geologic Research Along the Plate's Edge: The USGS Southern California Areal Mapping Project (SCAMP) (Posters)
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EVALUATING HOODOO FORM AND PROCESS USING TLS LIDAR POINT CLOUD DATA, BLACK MESA, NE ARIZONA
T112 Erosion: Processes, Rates, and New Measuring Techniques (Posters)
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BLACK MESA REVISITED: NEW OSL DATES PROVIDE EVIDENCE OF LATE FULL-GLACIAL AND EARLY HOLOCENE EOLIAN ACTIVITY ON BLACK MESA, NORTHEASTERN AZ
27 Quaternary Geology/Geomorphology (Posters)
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LATE HOLOCENE BEHAVIOR OF SMALL DRAINAGE BASINS ON THE COLORADO PLATEAU: INFLUENCES OF LITHOLOGY, BASIN FORM AND CLIMATE CHANGE
3 Fluvial Archives of Environmental Change (Posters)