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Presentations

Conference Abstracts and Presentations

(^=virtual; † = Invited Oral Presentation or Keynote; Underline = Ibarra Mentee or External Student Collaborator; Bold Underline = Ibarra Lab Member)

  1. T Kukla, KV Lau, JKC Rugenstein, DE Ibarra, 2021, Multiple stable states of global climate are unlikely when the long-term carbon cycle is balanced. Abstracted submitted to the 2021 AGU Fall Meeting.
  2. KA Methner, DE Ibarra, A Mulch, CP Chamberlain, 2021, Triple oxygen isotope paleoaltimetry of metamorphic core complexes. Abstract submitted to the 2021 GSA Annual Meeting.
  3. CA Gagnon, KL ButlerEC Gaviria, T Bhattacharya, DF Boutt, LA Munk, DE Ibarra, 2021, Long-lived Pliocene to present lacustrine hydroclimate record from Clayton Valley, NV. Abstracted submitted to the 2021 AGU Fall Meeting.
  4. S White, DE Ibarra, D Wahl, 2021, Reassessment of the lake-based Pliocene proxy network in western North American. Abstract submitted to the 2021 GSA Annual Meeting.
  5. EC Gaviria, C GagnonDE Ibarra, 2021, Modeling seasonal and interannual climate variability in modern precipitation pathways across western North America using air parcel trajectories. Abstract submitted to the 2021 Leadership Alliance National Symposium.
  6. ^ F von Blanckenburg, JK Caves Rugenstein, DE Ibarra, 2021, Increased land surface reactivity as the driver of Neogene cooling. Abstract EGU21-14888, 2021 vEGU21 General Assembly. (Abstract)
  7. ^ CB de Wet, JL Oster, DE Ibarra, B Belanger, 2021, North American rainfall patterns during past warm states: A proxy network-model comparison for the Last Interglacial and the mid-Holocene. Abstract EGU21-6574, 2021 vEGU21 General Assembly. (Abstract)
  8. ^ SW Parman, AJ Evans, EG Alvarez, MB Weller, CT Reinhard, DE Ibarra, BA Anzures, 2021, Assessing the abundance of super-mercuries and their habitability. 52nd Lunar and Planetary Science Conference. (Conference Paper)
  9. ^ MB Weller, AJ Evans, DE Ibarra, AV Johnson, TJ Kukla, 2021, Early (In)Habitability Among Exoplanets: A 1D Parameterized Approach Linking the Mantle-Tectonics-Atmospherics System. Abstract submitted to the AASTCS 8: Habitable Worlds. (Abstract)
  10. ^ DE Ibarra, JPT Domingo, N Meyer,  H Mix, P Tolentino, M Attal, CP David, 2020, Assessment of ultramafic silicate weathering fluxes derived from high-resolution sampling: an example from the Zambales ophiolite, Luzon, Philippines. Oral Presentation EP009-06, 2020 AGU Fall Meeting. (Abstract)
  11. † ^ DE Ibarra, KV Lau, CK Caves Rugenstein, 2020, Evidence for a Variable Silicate Weathering Feedback. Virtual Presentation at Goldschmidt 2020 (Abstract; PDF).
  12. ^ DE Ibarra, JPT Domingo, NP Meyer, HT Mix, PLM Tolentino, M Attal, CPC David, 2020, Water isotopes and weathering fluxes from catchments in the Zambales ophiolite region, Luzon, Philippines. Virtual Presentation at Goldschmidt 2020 (Abstract; PDF).
  13. ^ T Kukla, DE Ibarra, JK Caves Rugenstein, KV Lau, 2020, Energy budget constraints on the runoff and silicate weathering response to changing atmospheric CO2. Abstract PP024-0005, 2020 AGU Fall Meeting. (Abstract)
  14. ^ L Santi, AJ Arnold, DE Ibarra, C Whicker, JA Merrring, RB Lomarda, JM Lora, AK Tripati, 2020, Clumped Isotope Constraints on Changes in Paleotemperature and Past Hydroclimates: A Case Study from the Northwestern Great Basin, Lake Surprise, California. Abstract PP08-01, 2020 AGU Fall Meeting. (Abstract)
  15. ^ S Menemenlis, JM Lora, M Lofverstrom, D Chandan, DE Ibarra, 2020, Regional Precipitation Influenced by Stationary Wave Changes in Model of Mid-Pliocene Climate. Abstract PP024-0015, 2020 AGU Fall Meeting. (Abstract)
  16. ^ AJ Arnold, JA  Mering, L Chou, A Brown, VA Petryshyn, JM Lora, DE Ibarra, CG Oviatt, AE Tripati, 2020, Reduced evaporation rates primarily led to growth of glacial Lake Bonneville. Abstract 2020 AGU Fall Meeting. (Abstract)
  17. ^ JM Lora, DE Ibarra, CB Skinner, 2020, Components and Mechanisms of the North American hydrologic cycle since the Last Glacial Maximum. Abstract PP33D-04, 2020 AGU Fall Meeting. (Abstract)
  18. ^ CK Boyce, DE Ibarra, M Nelsen, M D’Antonio, 2020, Weathering, nutrient fluxes, and the long-term consequences of coal for the evolution of nitrogen-based symbioses. Abstract 479, Botany 2020 (Abstract).
  19. ^ JK Caves Rugenstein, DE Ibarra, F von Blanckenburg, 2020, Neogene changes in land surface reactivity and implications for Earth system sensitivity to carbon cycle perturbations. Abstract 20554, 2020 EGU General Assembly, Vienna, Austria. (Abstract)
  20. SW Parman, AJ Evans, MB Weller, CT Reinhard, DE Ibarra, EC First, BA Anzures, 2020, Abundance and Habitability of super-Mercuries. Abstract 1999, 51st Lunar and Planetary Science Conference. (Conference Paper; Not presented due to COVID-19)
  21. MB Weller, AJ Evans, DE Ibarra, AV Johnson, TJ Kukla 2020, Exploring the Evolution and habitability of Planets: Coupling of the Mantle-Atmosphere System. Abstract 1509, 51st Lunar and Planetary Science Conference. (Conference Paper; Not presented due to COVID-19)
  22. † JK Caves Rugenstein, DE Ibarra (presenter), F von Blanckenburg, 2019, Neogene Cooling Driven by Land Surface Reactivity rather than Increased Weathering Fluxes. Invited Oral Presentation PP11B-05, 2019 AGU Fall Meeting. (Abstract)
  23. DE Ibarra, M D’Antonio, CK Boyce, 2019, Land Plant Evolution Decreased, Rather Than Increased, Weathering Rates. Oral Presentation PP54A-06, 2019 AGU Fall Meeting. (Abstract)
  24. DE Ibarra, MK Lloyd, T Kukla, ZD Sharp, CP Chamberlain, 2019, Paleoclimate reconstruction using triple oxygen isotope analyses of lacustrine chert: An example from the Green River Formation. Oral Presentation 220-6, 2019 GSA Annual Meeting. (Abstract)
  25. DE Ibarra, MK Lloyd, T Kukla, ZD Sharp, CP Chamberlain, 2019, Triple Oxygen Isotope Systematics of Lacustrine Chert. Oral Presentation at Goldschmidt 2019. (Abstract)
  26. DE Ibarra, 2019, Quantifying the precipitation forcing driving pluvial lake highstands during the last deglaciation in the Great Basin. 2019 Desert Symposium, Zzyzx, CA.
  27. DE Ibarra, T Kukla, JL Oster, MJ Winnick, JK Caves Rugenstein, KV Lau, CP Chamberlain, 2019, Energetic constraints on the evolution of the water cycle from endorheic lake basins to continent-scale runoff. Abstract 4625, 2019 EGU General Assembly, Vienna, Austria.
  28. DE Ibarra, T Kukla, KV Lau, JK Caves Rugenstein, 2019, Moist energy balance constraints on the sensitivity of the silicate weathering feedback over the Phanerozoic. Abstract 1458, 2019 EGU General Assembly, Vienna, Austria.
  29. DE Ibarra, 2019, Precipitation forcing during the last deglaciation in the northern Great Basin. Oral Presentation at PACLIM 2019, Monterey, CA.
  30. S Mensah, T Kukla, A Olowoshile, C Mullins, DY Moragne, M Balisi, DE Ibarra, JK Caves Rugenstein, CP Chamberlain, 2019, Cenozoic hydroclimate and ecosystem evolution in the John Day region, Oregon, USA. Abstract PP51F-1431, 2019 AGU Fall Meeting. (Abstract)
  31. KV Lau, DE Ibarra, TJ Kukla, JK Caves Rugenstein, 2019, Extreme Climate, Carbon, and Continents: Quantifying Earth system feedbacks in the late Paleozoic. Invited Oral Presentation PP12A-08, 2019 AGU Fall Meeting. (Abstract)
  32. J Zhong, S-L Li, DE Ibarra, D Hu, C-Q Liu, 2019, Insights into Solute Production and Transport Processes in Asian Monsoonal Rivers from Concentration-Discharge Relationships. Abstract H43G-2083, 2019 AGU Fall Meeting. (Abstract)
  33. DM Coffey, LA Munk, DE Ibarra, DF Boutt, 2019, Lithologic sources and release mechanisms for lithium: significance in the formation of Li-enriched closed-basin brines. Abstract V33C-0254, 2019 AGU Fall Meeting. (Abstract)
  34. K Fox-Dobbs, T Hill, D Ibarra, J Oster and the Paleo to Policy Working Group Participants, 2019, A call to action after the Paleo to Policy Workshop: How to build bridges between paleontological research and decision making. Abtstract B48, Society of Vertebrate Paleontology 2019 Annual Meeting.
  35. MP D’Antonio, DE Ibarra, CK Boyce (presenter), 2019, Limitations on how land plant evolution could have impacted marine extinction and diversification via weathering and nutrient fluxes. Oral Presentation 235-12, GSA Annual Meeting. (Abstract)
  36. T Kukla, DE Ibarra, MK Lloyd, ZD Sharp, CP Chamberlain, 2019, Triple oxygen isotope signatures of Eocene topographic development. Oral Presentation at Goldschmidt 2019. (Abstract)
  37. CP Chamberlain, DE Ibarra, MK Lloyd, T Kukla, ZD Sharp, D Sjostrom, 2019, Triple Oxygen Isotopic Systematics of Meteoric Hydrothermal Systems and Implications for Paleoaltimetry. Poster at Goldschmidt 2019. (Abstract)
  38. MK Lloyd, DE Ibarra, CP Chamberlain, NJ Pester, WE Seyfried, DA Stolper, 2019, Triple oxygen isotopes of fluids and solids from hydrothermal systems. Poster at Goldschmidt 2019. (Abstract)
  39. L Santi, A Arnold, DE Ibarra, C Whicker, J Mering, CG Oviatt, A Tripati, 2019, Lake Level Fluctuations in the Northern Great Basin for the Last 25,000 years. 2019 Desert Symposium, Zzyzx, CA.
  40. JK Caves Rugenstein, DE Ibarra, F von Blanckenburg, 2019, Neogene seawater δ7Li and 10Be/9Be indicate increasing land surface reactivity caused cooling since the middle Miocene. Abstract 1748, 2019 EGU General Assembly, Vienna, Austria.
  41. DE Ibarra, 2018, Terrestrial hydroclimate reconstructions using lake area scaling relationships: Application to endorheic North American lake systems. Abstract, PP23D-3057, 2018 AGU Fall Meeting, Washington, D.C. (Abstract)
  42. DE Ibarra, KV Lau, RE Bernard, EHG Cooperdock, 2018, Improvements in gender parity but not representation among Asian American geoscience PhD graduates. ED13C-1747, 2018 AGU Fall Meeting, Washington, D.C. (Abstract/Poster)
  43. DE Ibarra, JL Oster, MJ Winnick, JK Caves Rugenstein, MP Byrne, CP Chamberlain, 2018, Lake area constraints on past hydroclimate in the western United States: Applications to Pleistocene Lake Bonneville. 2018 Lake Bonneville Geologic Conference, Salt Lake City, UT.
  44. DE Ibarra, MM Jones, JK Caves Rugenstein, BB Sageman, SA Graham, F von Blanckenburg, CP Chamberlain, 2018, Quantifying terrestrial weathering across Oceanic Anoxic Event 2. Oral Presentation at Goldschmidt2018. (Abstract)
  45. JK Caves Rugenstein, SH Kramer, DE Ibarra, A Licht, CP Chamberlain, 2018, Cenozoic Geologic Constraints on Hydroclimate Sensitivity from Paleosol Carbonate Stable Isotopes. Oral Presentation 34A-03, 2018 AGU Fall Meeting, Washington, D.C. (Abstract)
  46. AJ Arnold, JA Mering, LM Santi, VA Petryshyn, B Mitsunaga, J Wilson, DE Ibarra, DS Kaufman, AS Cohen, RB Dunbar, JM Russell, S Lalonde, CG Oviatt, PD Roy, R Eagle, AK Tripati, 2018, Clumped isotope systematics in lacustrine and fluvial carbonates: A tool for paleoclimate, paleohydrology, and paleoaltimetry. PP13F-2511, 2018 AGU Fall Meeting, Washington, D.C. (Abstract)
  47. AJ Arnold, JA Mering, LM Santi, VA Petryshyn, B Mitsunaga, J Wilson, DE Ibarra, DS Kaufman, AS Cohen, RB Dunbar, JM Russell, S Lalonde, CG Oviatt, PD Roy, R Eagle, AK Tripati, 2018, Clumped isotope systematics in lacustrine and fluvial carbonates: A tool for paleoclimate, paleohydrology, and paleoaltimetry. Abstract 37-1, 2018 GSA Annual Meeting, Indianapolis, IN. (Abstract)
  48. A Olowoshile, T Kukla, DE Ibarra, CE Mullins, JK Caves Rugenstein, CP Chamberlain, 2018, Reconstructing links between Cenozoic hydroclimate and ecosystem parameters in the John Day region, Central Oregon. Abstract 32-35, 2018 GSA Annual Meeting, Indianapolis, IN. (Abstract)
  49. JL Oster and DE Ibarra, 2018, Glacial hydroclimate of western North America: insights from proxy-model comparison, records from key locations, and implications for Lake Bonneville. 2018 Lake Bonneville Geologic Conference, Salt Lake City, UT.
  50. TJ Kukla, MJ Winnick, K Maher, DE Ibarra, CP Chamberlain, 2018, Modeling terrestrial δ18O gradients in lowland and mountain environments. Abstract at Goldschmidt2018. (Abstract)
  51. JK Caves Rugenstein, DE Ibarra, F von Blanckenburg, 2018, Constant weathering flux and increasing land surface reactivity during late Neogene cooling from 10Be/9Be and 7Li/6Li records. Abstract at  Goldschmidt2018. (Abstract)
  52. JK Caves Rugenstein, SH Kramer, DE Ibarra, A Licht, CP Chamberlain, 2018, Carbon Isotope Evidence for Changes in Cenozoic Mid-Latitude Primary Productivity and Water Use Efficiency. Abstract 19426, 2018 EGU General Assembly. (Abstract)
  53. DE Ibarra, S Moon, M Winnick, A Wymore, JK Caves Rugenstein, CP Chamberlain, WH McDowell, K Maher, 2017, Partitioning Concentration-Discharge Patterns of Weathering Products from Monolithologic Catchments to Global Rivers. Oral Presentation B54D-08, 2017 AGU Fall Meeting. (Abstract)
  54. DE Ibarra, JK Caves Rugenstein, A Bachan, A Baresch, KV Lau, D Thomas, J-E Lee, CK Boyce, CP Chamberlain, 2017, The Evolution of Land Plants and the Silicate Weathering Feedback. Abstract PP41B-1300, 2017 AGU Fall Meeting. (Abstract)
  55. DE Ibarra, S Moon, JK Caves, CP Chamberlain, K Maher, 2017, Concentration-discharge patterns of weathering products from global rivers. Poster at 11th Symposium of the Geochemistry of the Earth’s Surface (GES-11), Guiyang, China. (Poster)
  56. JK Caves Rugenstein, BU Bayshashov, A Zhamangara, AJ Ritch, DE Ibarra, DJ Sjostrom, H Mix, M Winnick, CP Chamberlain, 2017, Neogene interaction of the westerlies and high topography north of the Plateau: Implications for Central Asia paleoclimate. Abstract T42B-04, 2017 AGU Fall Meeting. (Abstract)
  57. JK Caves Rugenstein, DE Ibarra, F von Blanckenburg, 2017, Seawater Li and Be isotope records and the spatial and temporal partitioning of denudation as driver of late Neogene cooling. Abstract PP13F-08 2017 AGU Fall Meeting. (Abstract)
  58. DE Penman, JK Caves Rugenstein (Presenter), DE Ibarra, M Winnick, 2017, Interactions between tectonics, silicate weathering, and climate explored with carbon cycle modeling. Abstract PP13E-05, 2017 AGU Fall Meeting. (Abstract)
  59. YC Liu, DE Ibarra, M Winnick, JK Caves Rugenstein, JL Oster, JL Druhan, 2017, Linking the distribution of carbon isotope ratios in soil carbonates and speleothems to climate conditions in the past: A model for the dependence of respiration rate on soil moisture. Abstract EP13A-1593, 2017 AGU Fall Meeting. (Abstract)
  60. CA Whicker, DE Ibarra, JM Lora, J Mering, A Tripati, 2017, Clumped isotope thermometry constraints on late Pleistocene hydroclimates for Lake Surprise, California. Abstract 379-7, 2017 GSA Annual Meeting. (Abstract)
  61. JK Caves, SH Kramer, DE Ibarra, A Licht, CP Chamberlain, 2017, Changes in Cenozoic Mid-Latitude Primary Productivity and links to Global Climate and Topography. Geobiodiversity, Senckenberg, Frankfurt, Germany, 1-3 October.
  62. DE Ibarra, JK Caves (presenter), A Bachan, A Baresch, KV Lau, DL Thomas, J-E Lee, CK Boyce, CP Chamberlain, 2017, The evolution of land plants and silicate weathering. Oral presentation at Goldschmidt 2017, Paris, France, 13-18 August. (Abstract)
  63. A Wymore, D Ibarra, R Brereton, K Maher, W McDowell, 2017, Critical zone structure controls concentration-discharge relationships and solute generation in forested tropical montane watersheds. Presentation at Critical Zone Science: Current Advances and Future Opportunities, Arlington, Virginia.
  64. Y Gao, H Huang, D Ibarra, J Caves, LM Zhang, CS Wang, 2017, Late Cretaceous terrestrial paleoclimate recorded by paleosols in the Songliao Basin, northeast China. Abstract 75, 10th International Symposium on the Cretaceous System, Vienna, Austria.
  65. DE Ibarra, JL Oster, MJ Winnick, JK Caves, AJ Ritch, CP Chamberlain, K Maher, 2016, Drivers of pluvial lake distributions in western North America. Oral presentation PP51F-01, 2016 AGU Fall Meeting. (Abstract)
  66. DE Ibarra, AE Egger, BN Marion, KL Weaver, K Maher, 2016, Refining shoreline hydrograph chronology and hydroclimate estimates for Pleistocene Lake Surprise, California. Abstract PP43B-2327, 2016 AGU Fall Meeting. (Abstract and Poster)
  67. DE Ibarra, JL Oster, MJ Winnick, AJ Ritch, CP Chamberlain, K Maher, 2016, Climatological drivers of Plio-Pleistocene pluvial lake distributions in western North America. Oral presentation 30-9, 2016 GSA Annual Meeting, Denver, Colorado. (Abstract)
  68. CP Chamberlain, MJ Winnick, DE Ibarra, JK Caves, AJ Ritch, 2016, Spatial gradients in the isotopic composition of paleoprecipitation for terrestrial climate and altimetry studies. Oral presentation T44B-02, 2016 AGU Fall Meeting. (Abstract)
  69. JK Caves, DY Moragne, DE Ibarra, BU Bayshashov, Y Gao, MM Jones, A Zhamangara, AV Arzhannikova, SG Arzhannikov, CP Chamberlain, 2016, The Neogene de-greening of Central Asia. Oral presentation PP31F-04, 2016 AGU Fall Meeting. (Abstract)
  70. F von Blanckenburg, J Bouchez, DE Ibarra, K Maher, 2016, 10Be/9Be Evidence for Stable Quaternary Weathering Fluxes and Carbon Cycle Mass Balance. Oral presentation PP22B-08, 2016 AGU Fall Meeting. (Abstract)
  71. NW Hermann, JL Oster, DE Ibarra, 2016, Atmospheric Drivers of Mid-Holocene Mega-Droughts and the Modern California Drought in Western North America: Comparison of Models, Proxies, and Observations. Abstract 74-13, 2016 GSA Annual Meeting, Denver, Colorado. (Abstract)
  72. JL Oster, DE Ibarra, NP Kelley, NW Hermann, 2016, Integrating proxy networks and climate models to evaluate patterns and drivers of past hydroclimate change in western North America. Oral presentation 116-1, 2016 GSA Annual Meeting, Denver, Colorado. (Abstract)
  73. AE Egger, RJ Weldon, RM Langridge, DE Ibarra, B Marion, J Hall, 2016, The influence of pluvial lake cycles on earthquake recurrence in the northwestern Basin and Range extensional province. Abstract 346-5, 2016 GSA Annual Meeting, Denver, Colorado. (Abstract)
  74. JK Caves, BU Bayshashov, A Zhamangara, AJ Ritch, DE Ibarra, Y Gao, DJ Sjostrom, CP Chamberlain, 2016, Tracking moisture pathways to Asia since the Late Cretaceous: The competing influences of westerly and monsoonal dynamics. Abstract 10689, 2016 EGU General Assembly. (Abstract)
  75. F von Blanckenburg, J Bouchez, DE Ibarra, K Maher, 2016, Stable runoff and weathering fluxes into the oceans over Quaternary climate cycles. Abstract 8276, 2016 EGU General Assembly. (Abstract)
  76. Y Tong, DE Ibarra, JK Caves, T Mukerji, SA Graham, 2016, Paleoclimate data constraints on basin thermal history and petroleum generation: Piceance Basin, Colorado. 2016 AAPG Hedberg Conference.
  77. DE Ibarra, AJ Ritch, JL Oster, CP Chamberlain, 2015, Climatological Conditions Driving Lake Levels During Past Cold and Warm Periods in Western North America. Abstract PP13B-2275, 2015 AGU Fall Meeting. (Abstract)
  78. DE Ibarra, MM Jones, SA Graham, BB Sageman, CP Chamberlain, 2015, Investigating the Coniacian-Santonian in the Songliao Basin and possible links to Oceanic Anoxic Event 3. Oral presentation 53-13, 2015 GSA Annual Meeting, Baltimore, Maryland. (Abstract)
  79. DE Ibarra, JK Caves, S Moon, CP Chamberlain, K Maher, 2015, Constraining silicate weathering efficiency using concentration-discharge relationships of basaltic and granitic catchments. Critical Zone Observatory (CZO) Concentration-Discharge Workshop, University of New Hampshire, 20-22 July.
  80. JK Caves, SH Kramer, DE Ibarra, CP Chamberlain, 2015, Using Carbon Isotopes in Cenozoic Soil Carbonates to Quantify Primary Productivity from Mid-Latitude Regions. Abstract PP52B-08, 2015 AGU Fall Meeting. (Abstract)
  81. N Hermann, DE Ibarra, JL Oster, 2015, Moisture Changes in the Mid-Holocene: Do PMIP3 Simulations Reflect the Proxy Record for the Western United States? Abstract PP23A-2285, 2015 AGU Fall Meeting. (Abstract)
  82. Gao, Y., DE Ibarra, JK Caves, CS Wang, CP Chamberlain, SA Graham, XJ Du, HC Wu, 2015, Mid-latitude terrestrial climate of East Asia linked to global climate in the Late Cretaceous: Evidence from stable isotopes and clay minerals of the scientific core in the Songliao Basin. Oral presentation 53-13, 2015 GSA Annual Meeting, Baltimore, Maryland. (Abstract)
  83. CP Chamberlain, DE Ibarra, JK Caves, Y Gao, SA Graham, CS Wang, 2015, Late Cretaceous terrestrial climate recorded in the Songliao Basin, China. Oral presentation 53-11, 2015 GSA Annual Meeting, Baltimore, Maryland. (Abstract)
  84. F von Blanckenburg, J Bouchez, DE Ibarra, K Maher, 2015, Stable Weathering Fluxes into the Oceans over Glacial-Interglacial Cycles from 10Be/9Be Records and Global Runoff-Weathering Models. Oral presentation at Goldschmidt 2015, Prague, Czech Republic, 16-21 August.
  85. K Maher, DE Ibarra, R Maxwell, J Beisman, C Steefel, 2015, Reactive transport approaches for interrogating concentration-discharge relationships. Critical Zone Observatory (CZO) Concentration-Discharge Workshop, University of New Hampshire, 20-22 July.
  86. JK Caves, MJ Winnick, DE Ibarra, CP Chamberlain, DJ Sjostrom, HT Mix, A Mulch, 2015, Combining back-trajectory modeling and measurements of water isotopes to understand the paleoclimatic record in Central Asia: The impact of seasonality and topography. Oral presentation 223, 2015 International Symposium on Isotope Hydrology, IAEA, Vienna, Austria, 11-15 May.
  87. JA Mering, JM Lora, VA Petryshyn, A Jonsson, J Wilson, A Kowler, A Brown, L Chou, DM Miller, DE Ibarra, CM Risi, J Mitchell, AK Tripati, 2015, What has driven the long-term drying of the Southwest: precipitation or evaporation? A paleohydrologic study at multiple lake basins in California. Abstract 36903, 2015 AGU Chapman Conference, Irvine, California, 20-22 April. (Abstract)
  88. J Mering, J Lora, A Kowler, A Jonsson, V Petryshyn, J Wilson, A Brown, L Chou, A Jayko, D Miller, K Maher, D Ibarra, C Risi, A Kowler, J Mitchell, A Tripati, 2015, What has driven the long-term drying of the Southwest: precipitation or evaporation? A paleohydrologic study at multiple lake basins in California. Abstract presented at the 27th Pacific Climate Workshop. Pacific Grove, California, 8-11 March.
  89. DE Ibarra, JK Caves, DL Thomas, CP Chamberlain, K Maher, 2014, Quantifying the Chemical Weathering Efficiency of Basaltic Catchments. Abstract EP23B-3602, 2014 AGU Fall Meeting. (Abstract)
  90. DE Ibarra and CP Chamberlain, 2014, Modeling terminal lake temperature and runoff using ostracod paleoclimate records. Oral presentation 80-3, 2014 GSA Annual Meeting, GSA, Vancouver, British Columbia, Canada.
  91. JL Oster, DE Ibarra, MJ Winnick, K Maher, 2014, Constraining the Last Glacial Maximum Westerly Storm Track over Western North America through Model-Proxy Comparison. Abstract PP41B-1354, 2014 AGU Fall Meeting. (Abstract)
  92. HT Mix, DE Ibarra, A Mulch, SA Graham, CP Chamberlain, 2014, Reconstructing a Hot and High Eocene Sierra Nevada Using Oxygen and Hydrogen Isotopes in Kaolinite. Abstract T21C-4609, 2014 AGU Fall Meeting. (Abstract)
  93. MJ Winnick, JK Caves, DE Ibarra, A Wood, HT Mix, CP Chamberlain, 2014, Early Eocene latitudinal isotope gradients in precipitation and implications for global latent heat transport: new data from British Columbia, Canada and a global data-model comparison. Abstract PP31D-1183, 2014 AGU Fall Meeting. (Abstract)
  94. HT Mix, DE Ibarra, A Mulch, SA Graham, CP Chamberlain, 2014, Revisiting Uncertainty in Kaolinite Paleoaltimetry and Paleothermometry with Oxygen Isotope Constraints from the Eocene Sierra Nevada. Oral presentation 335-14 2014 GSA Annual Meeting, Vancouver, British Columbia, Canada.
  95. DE Ibarra, KL Weaver, CR Harris, K Maher, 2013, A combined U-series, radiocarbon and stable isotope approach for constructing a Pleistocene lake hydrograph: an example from Surprise Valley, California. Abstract PP13B-1880, 2013 Fall Meeting, AGU. (Abstract and Poster)
  96. DE Ibarra, AE Egger, KL Weaver, CR Harris, K Maher, 2013, Predicting controls on the water cycle in the northwestern Great Basin during the last deglaciation: Surprise Valley, California. Oral presentation 308-10, 2013 GSA Annual Meeting, Denver, Colorado. (Abstract and Presentation)
  97. DE Ibarra, AE Egger, and K Maher, 2013, The late Pleistocene pluvial history of Surprise Valley, CA. Poster presented at the 26th Pacific Climate Workshop. Pacific Grove, California, 3-6 March. Quaternary International, 387, 137. doi: 10.1016/j.quaint.2015.01.145 (Abstract and Poster)
  98. DE Ibarra, K Maher, JL Oster, AE Egger, CR Harris, DE Horton, KL Weaver, 2012, Comparing lake and soil records to climate model simulations of hydrologic conditions across the western United States at the Last Glacial Maximum. Oral presentation PP4A-07, 2012 AGU Fall Meeting. (Abstract)
  99. DE Ibarra, K Maher, AE Egger, JL Oster, CR Harris, and Weaver, K., 2012, Combining soil and lake records with AOGCM simulations to assess hydrologic conditions in western North America at the Last Glacial Maximum. Oral presentation at the 2012 6th Graduate Climate Conference, Pack Forest Conference Center, University of Washington, 26-28 October.
  100. AE Egger, and DE Ibarra, 2012, Paleoseismology from paleoshorelines: Combining lidar data and geochronology to resolve displacement of Pleistocene pluvial shorelines in the northwestern Basin and Range. Abstract PP11A-2003, 2012 AGU Fall Meeting. (Abstract)
  101. K Maher JL Oster, and DE Ibarra, 2012, Rainfall over the past 60,0000 years based on U isotope variations in soils in the western United States. Oral presentation V13G-07, 2012 AGU Fall Meeting. (Abstract)
  102. A Beroza, MF Cruz, DE Ibarra, and K Maher 2012, An evaluation of uranium isotopes in speleothems as a complementary tool for paleoclimate reconstruction. Abstract ED31A-0705, 2012 AGU Fall Meeting. AGU Bright Students Training as Research Scientists (BrightSTaRS) (Abstract)
  103. DE Ibarra, JL Oster, and K Maher, 2011, Tracking rainfall variations in the late Pleistocene using U isotopes in dated secondary soil minerals. Abstract PP13C-1844, 2011 AGU Fall Meeting. (Abstract)
  104. JL Oster, K Maher and DE Ibarra, 2011, Uranium isotopic variations in modern soils and dated soil minerals: calibrating a potential paleo-rainfall proxy. Oral presentation at the 25th Pacific Climate Workshop, Pacific Grove, California, 6-9 March. Quaternary International, 310, 239. doi: 10.1016/j.quaint.2013.07.099
  105. DE Ibarra, JL Oster, Harris, C., and K Maher, 2010, Controls on the U isotopic composition of modern soil waters and implications for initial U isotope variations in dated soil minerals. Abstract EP41C-0719, 2010 AGU Fall Meeting. (Abstract)

DE Ibarra Invited Seminars and Colloquiums

2021: ^China University of Geosciences; ^Institut de Physique du Globe de Paris; ^University of California, Davis; ^University of Nevada, Reno; ^Boston College; ^Caltech; ^UT Austin; ^University of Göttingen.

2020: University of California, Berkeley (Geography); University of Washington; ^University of California, Berkeley (Integrated Biology/UC Museum of Paleontology); ^University of Queensland; ^University of California, Santa Cruz; ^Yale University (2x); ^University of Wisconsin-Madison (2x); ^University of New Mexico

2019: University of the Philippines Diliman (National Institute of Geological Sciences (2x) and Institute of Environmental Science and Meteorology (1x)); University of Alaska, Anchorage; University of Arizona; USGS Menlo Park

2018: Virginia Tech; Brown University; University of California, Los Angeles (Geochemistry Seminar); Vanderbilt University; San Francisco State University; Stanford University (Atmosphere, Ocean and Climate Dynamics Seminar)

2017: University of California, Berkeley (Isotope Geochemistry Seminar); University of California, Los Angeles (Tectonics Seminar)

2016: GFZ Potsdam; Stanford University (Sedimentary Geology Seminar)

2015: San Jose State University; China University of Geosciences, Beijing

Other Research Presentations and Lectures

  • ^ DE Ibarra, 2021, Isotope constraints on past continental climate and mountain uplift, Exit Seminar for Miller Institute for Basic Research in Science, University of California, Berkeley.
  • ^ DE Ibarra, 2020, Stable Isotope Geobiology, guest lecture for GS/ESS 205: Fundamental of Geobiology, Stanford University
  • ^ DE Ibarra, 2020, Warm and cold wet states in the western United States during the Pliocene-Pleistocene, guest lecture for paleoecology class, Lehigh University.
  • ^ DE Ibarra, 2020, The rise and fall of latest Pleistocene pluvial lakes in the northern Great Basin, UC President’s Postdoctoral Fellowship Program, Academic Spring Retreat.
  • ^ DE Ibarra, 2020, Clumped and Triple Oxygen Isotopes: Theory and Applications, guest lecture for GEOL 1380: Environmental Isotope Geochemistry, Brown University.
  • DE Ibarra, 2019, Application of Emerging Stable Isotope Techniques to Neogene Sediments, The Bouse Formation: A Potential Target for Scientific Drilling Workshop, Parker, AZ.
  • DE Ibarra, 2018, A Geobiological View of Weathering and Erosion, guest lecture for GS/ESS 205: Fundamental of Geobiology, Stanford University.
  • DE Ibarra, 2016, Climatological Drivers of Plio-Pleistocene Lakes in Western North America, oral presentation at the School of Earth, Energy and Environmental Sciences Annual Research Review, Stanford University.
  • DE Ibarra, 2016, Western US Climate During the Last Glacial Maximum, lecture for ESS/Geophysics 146A/246A, Stanford University.
  • † DE Ibarra, MM Jones, BB Sageman, SA Graham, CP Chamberlain, 2016, Investigating the Coniacian-Santonian in the Songliao Basin and links to Oceanic Anoxic Event 3, Sedimentary Research Group Seminar, Stanford University.
  • † DE Ibarra, and MM Jones (co-presented), 2015, Sampling Cretaceous and Cenozoic sediments of the Erlian and Songliao Basins, China University of Geosciences, Beijing, China.
  • † DE Ibarra, and CP Chamberlain, 2015, Inverse modeling of terminal lake temperature and hydrology: Application to the Late Cretaceous Songliao Basin, China. International Workshop on Cretaceous Songliao Basin, China University of Geosciences, Beijing, China.
  • DE Ibarra, Y Gao, JK Caves, CS Wang, SA Graham, CP Chamberlain, 2014, Terrestrial Paleoclimate Records from the Cretaceous Songliao Basin Scientific Drilling Project (ICDP): Stable Isotope Results and Lacustrine Modeling. Poster presented at the Urbino Summer School in Paleoclimatology, Cioppino Workshop.
  • DE Ibarra, AE Egger, K Maher, 2013, The late Pleistocene pluvial history of Surprise Valley, CA. Poster presented at the School of Earth Sciences Annual Research Review, Stanford University.
  • DE Ibarra, 2012, An assessment of late Pleistocene to middle Holocene lake level fluctuations in Surprise Valley, California. Senior Thesis Presentation, Department of Geological and Environmental Sciences, Stanford University.
  • DE Ibarra, K Maher, JL Oster, AE Egger, CR Harris, 2011, An assessment of the timing and extent of late Pleistocene lake level fluctuations at Lake Surprise, California, Poster presented at the Symposium on Undergraduate Research and Public Service, Stanford University.
  • DE Ibarra, K Maher, JL Oster, CR Harris, 2010, Controls on the U isotopic composition of modern soil waters and implications for initial U isotope variations in dated soil minerals, Presentation and poster presented at the Symposium on Undergraduate Research and Public Service, and the School of Earth Sciences Undergraduate Research Symposium, Stanford University.