Tom Johnson
University of Minnesota Duluth, Duluth, MN
Activity
2017
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UNVEILING VICTORIA’S SECRETS
T309 Understanding African Environmental History through Continental Scientific Drilling: Past Successes and Future OpportunitiesWednesday, 25 October 20178:00 AM - 12:00 PMRoom 307/308
2016
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DISCOVERY OF MOUNT MAZAMA CRYPTOTEPHRA IN LAKE SUPERIOR
121 Recent Quaternary Research in Lacustrine, Glacial, Eolian, and Tectonic SystemsMonday, 26 September 20161:30 PM - 5:30 PMRoom 405
2013
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MAZAMA ASH USED FOR PRECISE CHRONOSTRATIGRAPHY OF LAKE SUPERIOR SEDIMENT CORES
T343 World of Lakes (Posters)Wednesday, 30 October 20139:00 AM - 6:30 PMHall D
2012
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A 1.2 MA HISTORY OF TEMPERATURE AND HYDROCLIMATE IN THE LAKE MALAWI BASIN
T126 Lake Systems Through Space and TimeMonday, 5 November 20121:30 PM - 5:30 PM219AB
2011
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GEOCHEMICAL CHARACTERIZATION OF SOME LAKE MALAWI TEPHRA LAYERS
T189 Limnogeology: Interdisciplinary Studies of Lakes and Paleolakes (Posters)Tuesday, 11 October 20119:00 AM - 6:00 PMHall C
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A 1.2 MA HISTORY OF TEMPERATURE AND ARIDITY IN THE LAKE MALAWI BASIN, EAST AFRICA
T132 Paleoclimate, Terrestrial Ecosystems, and Human Evolution in Africa from the Pleistocene to the PresentMonday, 10 October 20111:30 PM - 5:30 PMRoom 200FG
2010
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HYDROGEN ISOTOPIC RESPONSES TO LATE PLEISTOCENE CLIMATE CHANGE IN LAKE MALAWI, AFRICA
T115 Of Isotopes and Lakes (Posters): A Tribute to Mike TalbotMonday, 1 November 20108:00 AM - 6:00 PMHall D
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A MID-HOLOCENE THERMAL MAXIMUM AT THE END OF THE AFRICAN HUMID PERIOD
T67 Of Isotopes and Lakes: A Tribute to Mike TalbotSunday, 31 October 20101:30 PM - 5:30 PMMile High Ballroom 1CD
2007
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VARVE FORMATION IN THE NORTHERN BASIN OF LAKE MALAWI, EAST AFRICA
T125 From Geoarchaeology and Paleoanthropology to Sedimentary Geology and Geochemistry II: A Memorial to Richard L. HayTuesday, 30 October 20078:00 AM - 12:00 PM
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EARLY LATE-PLEISTOCENE MEGADROUGHTS IN AFRICA AND THEIR ECOLOGICAL CONSEQUENCES FOR HOMO SAPIENS
T125 From Geoarchaeology and Paleoanthropology to Sedimentary Geology and Geochemistry II: A Memorial to Richard L. HayTuesday, 30 October 20078:00 AM - 12:00 PM
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PALEOECOLOGICAL EVIDENCE OF RESPONSE TO EARLY AND LATE PLEISTOCENE SEVERE CLIMATE CHANGE, LAKE MALAWI, AFRICA
T125 From Geoarchaeology and Paleoanthropology to Sedimentary Geology and Geochemistry II: A Memorial to Richard L. HayTuesday, 30 October 20078:00 AM - 12:00 PM
2006
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PRELIMINARY DIATOM STRATIGRAPHY OF CORE MAL05-1C, LAKE MALAWI, AFRICA
202 Paleoclimatology/Paleoceanography: Proxies, Patterns, and Processes (Posters)Wednesday, 25 October 20068:00 AM - 12:00 PM
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INITIAL XRF RESULTS FROM THE LAKE MALAWI SEDIMENTARY RECORD
T28 Core Analysis of Lake Sediments (Posters)Sunday, 22 October 20068:00 AM - 12:00 PM
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SCIENTIFIC DRILLING ON LAKE MALAWI: A LONG, HIGH-RESOLUTION RECORD OF CLIMATIC AND LIMNOLOGICAL CHANGE FROM SOUTHERN TROPICAL EAST AFRICA
T28 Core Analysis of Lake Sediments (Posters)Sunday, 22 October 20068:00 AM - 12:00 PM
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CORRELATION OF SEISMIC REFLECTION AND SEDIMENT DRILLCORE DATA FROM THE LAKE MALAWI RIFT BASIN, EAST AFRICA
T28 Core Analysis of Lake Sediments (Posters)Sunday, 22 October 20068:00 AM - 12:00 PM
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PRELIMINARY EVIDENCE OF VEGETATION CHANGE AROUND LAKE MALAWI, AFRICA OVER THE LAST 1.5 MILLION YEARS
T28 Core Analysis of Lake Sediments (Posters)Sunday, 22 October 20068:00 AM - 12:00 PM
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PRELIMINARY PALEOECOLOGICAL RESULTS FROM THE LAKE MALAWI SCIENTIFIC DRILLING PROJECT
T28 Core Analysis of Lake Sediments (Posters)Sunday, 22 October 20068:00 AM - 12:00 PM
2005
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PRELIMINARY RESULTS OF THE LAKE MALAWI DRILLING PROGRAM
T248 Glacial Geology and Lake Sedimentology: In Memory of Geoffrey O. SeltzerWednesday, 19 October 20051:30 PM - 5:30 PM
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ENVIRONMENTAL VARIABILITY IN TROPICAL EAST AFRICA DURING THE LAST GLACIAL/INTERGLACIAL TRANSITION: THE LAKE MALAWI BIOMARKER RECORD
T248 Glacial Geology and Lake Sedimentology: In Memory of Geoffrey O. SeltzerWednesday, 19 October 20051:30 PM - 5:30 PM
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PRELIMINARY RESULTS OF THE LAKE MALAWI DRILLING PROJECT
4 Lakes—Glacial Lakes, Large Lakes, Small Lakes, Groundwater Interaction IThursday, 19 May 20058:00 AM - 12:00 PM
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VARIABILITY OF SEDIMENT MASS ACCUMULATION RATES IN LAKE SUPERIOR
4 Lakes—Glacial Lakes, Large Lakes, Small Lakes, Groundwater Interaction IThursday, 19 May 20058:00 AM - 12:00 PM
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LATE-GLACIAL PALEOHYDROLOGY OF LAKE AGASSIZ AND THE UPPER GREAT LAKES: INSIGHTS FROM LAKE SUPERIOR’S OXYGEN ISOTOPE RECORD
16 Lakes—Glacial Lakes, Large Lakes, Small Lakes, Groundwater Interaction IIThursday, 19 May 20051:20 PM - 5:20 PM
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TERRESTRIAL AND AQUATIC ECOSYSTEM CHANGE IN TROPICAL EAST AFRICA SINCE THE LAST GLACIAL MAXIMUM: THE BIOMARKER RECORD FROM LAKE MALAWI
4 Lakes—Glacial Lakes, Large Lakes, Small Lakes, Groundwater Interaction IThursday, 19 May 20058:00 AM - 12:00 PM
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THE DEVELOPMENT OF TEX86 FOR CONTINENTAL PALEOTEMPERATURE CONSTRUCTION
4 Lakes—Glacial Lakes, Large Lakes, Small Lakes, Groundwater Interaction IThursday, 19 May 20058:00 AM - 12:00 PM
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LAKE MALAWI SEDIMENTS: THE MODERN RECORD
4 Lakes—Glacial Lakes, Large Lakes, Small Lakes, Groundwater Interaction IThursday, 19 May 20058:00 AM - 12:00 PM
2003
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LAKE EDWARD, EAST AFRICA: CARBONATES, THE SILICA CYCLE, AND LATE HOLOCENE CENTURY-SCALE DROUGHT
T17 Lakes and Holocene Environmental Change: The Use of Multiproxy Lake Records for Paleoclimate Reconstructions ISunday, 2 November 20038:00 AM - 12:00 PM
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THE LAKE MALAWI CLIMATE RECORD: LINKS TO SOUTH AMERICA
T17 Lakes and Holocene Environmental Change: The Use of Multiproxy Lake Records for Paleoclimate Reconstructions ISunday, 2 November 20038:00 AM - 12:00 PM
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ORGANIC CARBON IN LARGE LAKES OF THE WORLD: ESTIMATES OF PRODUCTION, BURIAL, AND LAKE-ATMOSPHERE EXCHANGE
39 Limnogeology: Carbon in Lake SystemsSunday, 2 November 20031:00 PM - 3:45 PM
2001
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HYDROGEN ISOTOPIC COMPOSITIONS OF INDIVIDUAL BIOMARKERS IN LAKE SEDIMENTS AS A RECORD OF PAST CLIMATE CHANGE
8 Paleoclimatology/Paleoceanography IMonday, 5 November 20018:00 AM - 12:00 PM
Date Unknown
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CHANGES IN INFERRED PRIMARY PRODUCTIVITY FROM RECENT SEDIMENTS FROM LAKE MALAWI, EAST AFRICA
T90 Lakes and Holocene Environmental Change: The Use of Multiproxy Lake Records for Paleoclimate Reconstructions (Posters)
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INITIAL PALYNOLOGICAL AND PALEOMAGNETIC RESULTS FROM GLACIAL VARVES FROM LAKE SUPERIOR
133 Quaternary Geology/Geomorphology (Posters) I