David Wahl
U.S. Geological Survey, Moffett Field, CA
Activity
2024
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MORE DATES, BETTER DATES: PROGRESS IN CHEMICAL CONCENTRATION, FLOW-CYTOMETRIC PURIFICATION AND RADIOCARBON DATING OF POLLEN FROM TERRESTRIAL SEDIMENTARY ARCHIVES
T230 Dating the Quaternary: Development and Application of Geochronological Tools in Geomorphology and ArchaeologyWednesday, 25 September 20248:00 AM - 12:00 PM212A
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TWENTIETH CENTURY EXTREME PRECIPITATION DETECTED IN A HIGH-RESOLUTION, COASTAL LAKE SEDIMENT RECORD FROM CALIFORNIA
T135 Cenozoic Lakes Across Western North America – from the Varved Beds of the Green River Formation to the Ice-Covered Alpine Lakes of the Sierra NevadaMonday, 23 September 20241:30 PM - 5:30 PM213B
2021
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REASSESSMENT OF THE LAKE-BASED PLIOCENE PROXY NETWORK IN WESTERN NORTH AMERICA
T160 Paleoclimate, Paleoenvironments, and Paleoceanography of Northwestern North America (Posters)Tuesday, 12 October 20219:00 AM - 1:00 PMExhibit Hall A
2016
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LATE HOLOCENE CLIMATE AND LAND USE IN THE HOLMUL REGION OF THE SOUTHERN MAYA LOWLANDS
T233 Reconstructing Environmental Controls on Societal Change from Prehistory to Present Day III (Posters)Tuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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X-RAY FLUORESCENCE ANALYSIS OF A SEDIMENT CORE FROM LEONARD LAKE, MENDOCINO COUNTY, CALIFORNIA
T241 pXRF in the Geosciences: Applications to Environmental, Regional, and Exploration Geology (Posters)Tuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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LATE NEOGENE-QUATERNARY TEPHROCHRONOLOGY, STRATIGRAPHY AND PALEOCLIMATE OF DEATH VALLEY, CA, U.S.A
T142 Sedimentary BasinsMonday, 26 September 20161:30 PM - 5:30 PMRoom 401
2015
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CHARACTERISTICS OF THE ENVIRONMENTAL MAGNETIC RECORD OF A ~150 M SEDIMENT CORE: CLEAR LAKE, NORTHERN CALIFORNIA
297 Limnogeology (Posters)Wednesday, 4 November 20159:00 AM - 6:30 PMExhibit Hall
2010
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MINOR AND TRACE ELEMENT GLASS COMPOSITION OF LATEST PLEISTOCENE TEPHRA LAYERS FROM THE WILSON CREEK FORMATION, MONO LAKE, CALIFORNIA, USING INSTRUMENTAL NEUTRON ACTIVATION
18 Undergraduate Research in Geoscience (Posters)Thursday, 27 May 20101:30 PM - 5:00 PMPlatinum 5-6
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MARINE-TERRESTRIAL CLIMATE CONNECTIONS: THE INFLUENCE OF THE EASTERN PACIFIC OCEAN ON THREE MIDDLE TO HIGH ELEVATION LAKES AND SAN FRANCISCO BAY
11 Terrestrial and Marine Records of Late Quaternary Climate from Western North America/Eastern Pacific: Developments, Comparisons, and DirectionsThursday, 27 May 20101:30 PM - 5:00 PMPlatinum 3
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CONSTRAINTS ON POST-MIDDLE-PLEISTOCENE OFFSETS AND NEW PERSPECTIVES ON PLIO-PLEISTOCENE TECTONISM ALONG THE SOUTHERN DEATH VALLEY FAULT ZONE
12 Active Tectonics of the Eastern California Shear Zone–Walker Lane BeltThursday, 27 May 20101:30 PM - 4:00 PMPlatinum 1
2009
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LASER ABLATION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY OF THE PLEISTOCENE WILSON CREEK ASH BEDS, INYO COUNTY, CALIFORNIA
T258 Sigma Gamma Epsilon Undergraduate Research (Posters)Wednesday, 21 October 20099:00 AM - 6:00 PMHall A
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HOLOCENE CLIMATE IN THE GREAT BASIN: PRELIMINARY RESULTS FROM FAVRE LAKE, NORTHERN RUBY MOUNTAINS, NEVADA
T198 Cenozoic LakesTuesday, 20 October 20091:30 PM - 5:30 PMD139/140
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PLIOCENE AND PLEISTOCENE TEPHROCHRONOLOGY AND PALEOENVIRONMENTS OF THE KIT FOX HILLS, DEATH VALLEY, CA
T56 Paleoseismology, Arid-Region Soils, and Quaternary Geology: A Tribute to Michael Machette's 35 Years of Quaternary ResearchSunday, 18 October 20091:30 PM - 5:30 PMB114/115
2008
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Late Holocene Climate Variability in the Southern Maya Lowlands
T182 Terrestrial Response to Climate Variability during the Medieval Warm Period: Lakes, Tree-Rings, and Human AdaptationMonday, 6 October 20088:00 AM - 12:00 PM
Date Unknown
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NEW CONSTRAINTS ON THE STYLE, TIMING, AND RATES OF POST-MIDDLE-PLEISTOCENE DEFORMATION IN THE CONFIDENCE HILLS, SOUTHERN DEATH VALLEY, CALIFORNIA
4 Tectonics and Structural (Posters)
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NEW INSIGHTS ON THE PLUVIAL HISTORY OF LAKE MANLY AND TECTONIC DEVELOPMENT OF SOUTHERN DEATH VALLEY RECORDED IN PLIOCENE-TO-RECENT LACUSTRINE STRATIGRAPHY
23 Quaternary Geology, Geomorphology, and Archaeological Geology (Posters)
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UPPER NEOGENE TEPHROCHRONOLOGIC CORRELATIONS IN THE NORTHERN RIO GRANDE RIFT, NEW MEXICO AND SOUTHERN COLORADO
T182 New Perspectives on the Rio Grande Rift: From Tectonics to Groundwater (Posters)