Skip to content


(* = equal contributions/co-lead/co-corresponding authors; † = former mentee/external mentee with DE Ibarra; Bold Underline = Ibarra Lab Member at Brown University; Google Scholar / Publons Profile / NASA/ADS / ORCID)


  • *DE Ibarra, *JG Dai, *Y Gao, XH Lang, PZ Duan, ZJ Gao, JQ Chen, K Methner, LJ Sha, H Tong, X Han, DC Zhu, YL Li, JX Tang, H Cheng, CP Chamberlain, CS Wang, In Revision, A high elevation southern Tibet prior to India-Asia collision.
  • CK Boyce, DE Ibarra, MP Nelsen, MP D’Antonio, Revised, Nitrogen-based symbioses, phosphorous availability, and accounting for a modern world more productive than the Paleozoic, Geobiology.
  • S Menemenlis, SM White, DE Ibarra, JM Lora, Revised, A proxy-model comparison for mid-Pliocene warm period hydroclimate in the Southwestern US, Earth and Planetary Science Letters. Preprint doi: 10.31223/X5P03R
  • Y Hou, H Long, S Tsukamoto, DE Ibarra, Z Lu, T Tamura, W Sun, J Zhang, L Gao, M Frechen, In Review, Response of the transition of Neolithic cultures in northern China to the end of Green Sahara.
  • J Chen, Y Gao, DE Ibarra, J Qin, C Wang, In Revision, Mid-latitude precipitation in East Asia influenced by a fluctuating greenhouse climate during the latest Cretaceous through the earliest Paleogene. Preprint doi: 10.2139/ssrn.4056068
  • Y Gao, X Tian, YY Hu, X Li, WJ Cai, JM Qin, JQ Guo, XJ Du, T Kukla, DE Ibarra, H Huang, LX Wu, CS Wang, In Revision, Active El Nino-Southern Oscillation 120 million years ago.
  • ZH Zhang, DW Lv, ZC Yu, Y Gao, DE Ibarra, DJ Large, S Zahirovic, TT Wang, CS Wang, In Revision, Controls of tectonic-driven peatland dynamics on the Phanerozoic carbon cycle.
  • T Kukla, J Rugenstein, E Driscoll, DE Ibarra, CP Chamberlain, In Review, The PATCH Lab: A database and workspace for Cenozoic terrestrial paleoclimate and environment reconstruction. Preprint doi: 10.31223/X5PK9W
  • G Piccione, T Blackburn, S Tulacyzk, ET Rasbury, M Hain, DE Ibarra, K Methner, C Tinglof, B Cheney, P Northrup, K Licht, In Revision, A Radiometrically Dated Record of Antarctic Ice Sheet Response to Millennial-Scale Climate Cycles during Glacials and Interglacials. Preprint doi: 10.21203/RS.3.RS-820445/V1
  • CA Gagnon, KL Butler, E Gaviria, A Terrazas, A Gao, T Bhattacharya, DF Boutt, LA Munk, DE IbarraIn Review, Paleoclimate controls on lithium enrichment in Great Basin Pliocene-Pleistocne lacustrine clays. Preprint doi: 10.31223/X54D15
  • KA Methner, DE Ibarra, A Mulch, C Teyssier, CP Chamberlain, In Review, Triple Oxygen Isotope Paleoaltimetry of the Kettle Metamorphic Core Complex (WA, USA).
  • *M D’Antonio, *DE Ibarra, CK Boyce, In Review, The preservation of cause and effect in the rock record, Paleobiology.
  • †A Arnold, J Mering, †L Santi et al. (w/ DE Ibarra and 21 coauthors), In Review, Comparative clumped isotope temperature relationships in freshwater carbonates, Paleoceanography and Paleoclimatology. Preprint doi: 10.1002/essoar.10511605.1
  • O Pourret et al. (w/ DE Ibarra and 17 coauthors), In Review, Evolution of diversity in the editorial boards of Geochimica et Cosmochimica Acta and Chemical GeologyEuropean Science Editing.


  1. N Sekhon, CPC David, MCM Geronia, MJG CustadoDE Ibarra, Accepted, Investigating the response of hydrological processes to El Niño events using a 100-year dataset from the western Pacific Ocean, Journal of Hydrology: Regional Studies. Preprint doi: 10.1002/essoar.10510564.1
  2. CP David, MJ CustadoN Sekhon, DE Ibarra (corresponding), 2022, Forecasting tropical ENSO-induced drought conditions using sea surface height in the Western Pacific, All Earth, 34 (1), 55-65. doi: 10.1080/27669645.2022.2089484 Preprint doi: 10.21203/
  3. F von Blanckenburg, J Bouchez, JK Willenbring, DE Ibarra, JK Caves Rugenstein, In Press, There is no Neogene denudation conundrum, Proceedings of the National Academy of Sciences of the United States of America.
  4. T Kukla, JK Caves Rugenstein, DE Ibarra, MJ Winnick, CAE Stromberg, CP Chamberlain, 2022, Drier winters linked to Cenozoic open habitat expansion in North America, AGU Advances, 3 (2), e2021AV000566. doi: 10.1029/2021AV000566. Preprint doi: 10.1002/essoar.10507866.2
  5. A Belem, T Bell, H Burdett, D Ibarra, N Kaushal, B Keenan, A Klimaszewski-Patterson, M Mette, S Naeherr, OD Onafeso, C Panmei, AS Ratnayake, O Truax, 2022, Paleoclimatology and Paleoceanography Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science, Earth and Space Science 9 (1), e2021EA002115. doi: 10.1029/2021EA002115. Preprint doi: 10.1002/essoar.10508692.1
  6. †J Jenckes, DE Ibarra, LA Munk, 2022, Concentration-Discharge Patterns Across the Gulf of Alaska Reveal Geomorphological and Glacierization Controls on Stream Water Solute Generation and Export, Geophysical Research Letters, 49 (1), e2021GL095152. doi: 10.1029/2021GL095152. Preprint doi: 10.1002/essoar.10507506.1
  7. DE Ibarra, AG Yanchilina, MK Lloyd, KA Methner, CP Chamberlain, R Yam, A Shemesh, DA Stolper, 2022, Triple oxygen isotope systematics of diagenetic recrystallization of diatom opal-A to opal-CT to microquartz in deep sea sediments, Geochimica et Cosmochimica Acta 320 (1), 304-323. doi: 10.1016/j.gca.2021.11.027
  8. †D Coffey, LA Munk, DE Ibarra, KL Butler, DF Boutt, †J Jenckes, 2021, Lithium Storage and Release from Lacustrine Clays: Implications for Lithium Enrichment and Sustainability in Continental Brines, Geochemistry, Geophysics, Geosystems, 22 (12), e2021GC009916. doi: 10.1029/2021GC009916
  9. X Tian, Y Gao, T Kukla, O Lenz, H Huang, DE Ibarra, SL Sun, CS Wang, 2021, Early Cretaceous solar cycles recorded in lacustrine laminations in North China, American Journal of Science, 321 (9), 1285-1307. doi: 10.2475/09.2021.01
  10. O Pourret, J Middleton, DE Ibarra, DE Irawan, A Rouff, P Anand, A Tripati, AJV Riches, A Dossetto, 2021, Diversity among Editorial Boards of Elements and other selected Geochemistry, Cosmochemistry, Mineralogy and Petrology journals, Elements, 17 (3), 152-154. doi: 10.2138/gselements.17.3.150
  11. JK Caves Rugenstein, DE Ibarra, S Zhang, NJ Planavsky , F von Blanckenburg, 2021, Isotope Mass Balance Constraints Preclude that Mafic Weathering Drove Neogene Cooling, Proceedings of the National Academy of Sciences of the United States of America, 118 (30), e2026345118. doi: 10.1073/pnas.2026345118
  12. H Huang, Y Gao, C Ma, MM Jones, C Zeeden, DE Ibarra, HC Wu, CS Wang, 2021, Non-linear orbital pacing of organic carbon burial by a ~173 kyr obliquity cycle in middle-high latitudes, Science Advances, 7 (28), eabf9489. doi: 10.1126/sciadv.abf9489
  13. O Pourret, DW Hedding, DE Ibarra, DE Irawan, HY Liu, J Tennant, 2021, International disparities in open access practices in the Earth Sciences, European Science Editing, 47, e63663. doi: 10.3897/ese.2021.e63663. Preprint doi: 10.31223/X5HW2S
  14. DE Ibarra, PLM Tolentino, CPC David, 2021, Technical Note: Evaluation and bias correction of an observations-based global runoff dataset using streamflow observations from small tropical catchments in the Philippines, Hydrology and Earth System Sciences, 25, 2805-2820. doi: 10.5194/hess-25-2805-2021. Preprint doi: 10.5194/hess-2020-26.
  15. CS Wang, Y Gao, DE Ibarra, HC Wu, PJ Wang, 2021, An Unbroken Record of Climate During the Age of Dinosaurs, AGU Eos, 102. doi: 10.1029/2021EO158455
  16. Y Gao, YF Gao, DE Ibarra, XJ Du, T Dong, ZF Liu and CS Wang, 2021, Clay mineralogical evidence for mid-latitude terrestrial climate change from the latest Cretaceous through the earliest Paleogene in the Songliao Basin, NE China, Cretaceous Research, 124, 104827. doi: 10.1016/j.cretres.2021.104827
  17. CP Chamberlain, DE Ibarra, T Kukla, K Methner, Y Gao, 2021, Triple Oxygen Isotope Paleoaltimetry of Crystalline Rocks, Frontiers in Earth Science, 9, 633687. doi: 10.3389/feart.2021.633687
  18. DE Ibarra, T Kukla, KA Methner, A Mulch, CP Chamberlain, 2021, Reconstructing Past Elevations from Triple Oxygen Isotopes of Lacustrine Chert: Application to the Eocene Nevadaplano, Elko Basin, Nevada, USA. Frontiers in Earth Science, 9, 628868. doi: 10.3389/feart.2021.628868
  19. Y Gao, DE Ibarra, JK Caves Rugenstein, JQ Chen, T Kukla, K Methner, YF Gao, H Huang, ZP Lin, LM Zhang, DP Xi, HC Wu, AR Carroll, SA Graham, CP Chamberlain, CS Wang, 2021, Terrestrial climate in mid-latitude East Asia from the latest Cretaceous to the earliest Paleogene: A multiproxy record from the Songliao Basin in northeastern China, Earth-Science Reviews, 103572. doi: 10.1016/j.earscirev.2021.103572
  20. T Kukla, DE Ibarra, JKC Rugenstein, JT Gooley, †CE Mullins, †S Kramer, †DY Moragne, CP Chamberlain, 2021, High-resolution stable isotope paleotopography of the John Day region, Oregon, USA. Frontiers in Earth Science, 9, 635181. doi: 10.3389/feart.2021.635181
  21. *DR Lowe, *DE Ibarra, N Drabon, CP Chamberlain, 2020, Constraints on surface temperature 3.4 billion years ago based on triple oxygen isotopes of cherts from the Barberton Greenstone Belt, South Africa, and the problem of sample selection. American Journal of Science, 320 (9), 790-814. doi: 10.2475/11.2020.02
  22. J Zhong, SL Li, DE Ibarra, H Ding, CQ Liu, 2020, Insights into solute production and transport processes in large Chinese rivers from concentration-discharge relationships, Global Biogeochemical Cycles, 34 (9), e2020GB006541. doi: 10.1029/2020GB006541
  23. DE Penman, JK Caves, DE Ibarra, and MJ Winnick, 2020, Silicate weathering as a feedback and forcing on Earth’s climate and the carbon cycle, Earth-Science Reviews, 209, 103298. doi: 10.1016/j.earscirev.2020.103298
  24. CP Chamberlain*, DE Ibarra*, MK Lloyd, T Kukla, Y Gao D Sjostrom, ZD Sharp, 2020, Triple oxygen isotopes of meteoric hydrothermal systems – implications for paleoaltimetry, Geochemical Perspectives Letters, 15, 6-9. doi: 10.7185/geochemlet.2026
  25. *†L Santi, *†AJ Arnold, *DE Ibarra, †C Whicker, JA Mering, JM Lora, A Tripati, 2020, Clumped Isotope Constraints on Changes in Hydroclimate in the Northwest Great Basin: Lake Surprise, California, Geological Society of America Bulletin, 132 (11-12), 2669–2683. doi: 10.1130/B35484.1
  26. H Huang, Y Gao, MM Jones, HF Tao, AR Carroll, DE Ibarra, HC Wu, CS Wang, 2020, Astronomical forcing of Middle Permian terrestrial climate recorded in a large paleolake in northwest China, Palaeogeography, Palaeoclimatology, Palaeoecology, 550, 109735. doi: 10.1016/J.PALAEO.2020.109735
  27. *MP D’Antonio, *DE Ibarra, CK Boyce, 2020, Land plant evolution decreased, rather than increased, weathering rates, Geology, 48 (1), 29-33. doi: 10.1130/G46776.1
  28. *†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 in Exploring Ends of Eras in the eastern Mojave Desert, edited by DM Miller, 2019 Desert Symposium Field Guide and Proceedings, 176-186. doi: 10.31223/
  29. DE Ibarra, JL Oster, MJ Winnick, JK Caves Rugenstein, MP Byrne, CP Chamberlain, 2019, Lake area constraints on past hydroclimate in the western United States: Application to Pleistocene Lake Bonneville, Proceedings Volume: 2018 Lake Bonneville Conference & Short Course, edited by WR Lund, AP McKean and SD Bowman, Utah Geological Survey Miscellaneous Publication 170, 6. doi: 10.31223/
  30. JL Oster and DE Ibarra, 2019, Glacial hydroclimate of western North America: insights from proxy-model comparison and implications for Lake Bonneville, Proceedings Volume: 2018 Lake Bonneville Conference * Short Course, edited by WR Lund, AP McKean and SD Bowman, Utah Geological Survey Miscellaneous Publication 170, 8. doi: 10.31223/
  31. T Narock, EB Goldstein, CA-L Jackson, AA Bubeck, AML Enright, JI Farquharson, A Fernandez, D Fernández-Blanco, S Girardclos, DE Ibarra, SK Lengger, AW Mackay, V Venema, B Whitehead, J-P Ampuero, 2019, Earth Science is Ready for Preprints. AGU Eos, 100. doi: 10.1029/2019EO121347 and 10.31223/
  32. J Lora and DE Ibarra, 2019, The North American hydrologic cycle through the last deglaciation, Quaternary Science Reviews, 226, 105991. doi: 10.1016/j.quascirev.2019.105991
  33. JK Caves Rugenstein, DE Ibarra, F von Blanckenburg, 2019, Neogene cooling driven by land surface reactivity rather than increased weathering fluxes, Nature, 571 (7767), 99-102. doi: 10.1038/s41586-019-1332-y
  34. TJ Kukla, MJ Winnick, K Maher, DE Ibarra, CP Chamberlain, 2019, The sensitivity of terrestrial δ18O gradients to hydroclimate evolution. Journal of Geophysical Research: Atmospheres, 124 (2), 563-582. doi: 10.1029/2018JD029571
  35. *DE Ibarra, *JK Caves Rugenstein, *A Bachan, A Baresch, KV Lau, DL Thomas, JE Lee, CK Boyce, CP Chamberlain, 2019, Modeling the consequences of land plant evolution on silicate weathering, American Journal of Science, 319, 1-43. doi: 10.2475/01.2019.01
  36. AE Egger, DE Ibarra, R Weldon, RM Langridge, †B Marion, †J Hall, 2018, The influence of pluvial lake cycles on earthquake recurrence in the northwestern Basin and Range, USA, in From Saline to Freshwater: The Diversity of Western Lakes in Space and Time, edited by SW Starratt and MR Rosen, Geological Society of America Special Paper Series 536-07, 28. doi: 10.1130/2018.2536(07)
  37. DE Ibarra, JL Oster, MJ Winnick, JK Caves Rugenstein, MP Byrne, CP Chamberlain, 2018, Warm and cold wet-states in the western United States during the Pliocene-Pleistocene, Geology, 46 (4), 355-358. doi: 10.1130/G39962.1
  38. *†NW Hermann, JL Oster, DE Ibarra, 2018, Spatial Patterns and Driving Mechanisms of Mid-Holocene Hydroclimate in Western North America, Journal of Quaternary Science, 33 (4), 421-434. doi: 10.1002/jqs.3023
  39. MM Jones, DE Ibarra, Y Gao, BB Sageman, D Selby, CP Chamberlain, SA Graham, 2018, Evaluating Late Cretaceous OAEs and the influence of marine incursions on organic carbon burial in an expansive East Asian paleo-lake, Earth and Planetary Science Letters, 484, 41-52. doi: 10.1016/j.epsl.2017.11.046
  40. AS Wymore, RL Brereton, DE Ibarra, K Maher, WH McDowell, 2017, Critical zone structure controls concentration-discharge relationships and solute generation in forested tropical montane watersheds, Water Resources Research, 53 (7), 6279-6295. doi: 10.1002/2016WR020016
  41. DE Ibarra, S Moon, JK Caves, CP Chamberlain, K Maher, 2017, Concentration-discharge patterns of weathering products from global rivers, Acta Geochemica, 36 (3), 405-409. doi: 10.1007/s11631-017-0177-z
  42. JK Caves, BU Bayshashov, A Zhamangara, AJ Ritch, DE Ibarra, DJ Sjostrom, HT Mix, MJ Winnick, CP Chamberlain, 2017, Late Miocene uplift of the Tian Shan and Altai and reorganization of Central Asia climate, Geological Society of America Today, 17 (2). doi: 10.1130/GSATG305A.1
  43. Y Tong, DE Ibarra, JK Caves, T Mukerji, SA Graham, 2017, Constraining basin thermal history and petroleum generation using paleoclimate data in the Piceance Basin, Colorado, Basin Research, 29 (4), 542-553. doi: 10.1111/bre.12213
  44. 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, Geology, 44 (11), 887-890. doi: 10.1130/G38267.1
  45. DE Ibarra, JK Caves, S Moon, DL Thomas, J Hartmann, CP Chamberlain, K Maher, 2016, Differential weathering of basaltic and granitic catchments from concentration-discharge relationships, Geochimica et Cosmochimica Acta, 190, 265-293. doi: 10.1016/j.gca.2016.07.006
  46. HT Mix, DE Ibarra, A Mulch, SA Graham, CP Chamberlain, 2016, A hot and high Eocene Sierra Nevada, Geological Society of America Bulletin, 128 (3-4), 531-542. doi: 10.1130/B31294.1
  47. Y Gao, DE Ibarra, JK Caves, CS Wang, CM Huang, CP Chamberlain, SA Graham, HC Wu, 2016, Mid-latitude terrestrial climate of East Asia linked to global climate in the Late Cretaceous: REPLY, Geology, 44 (2), e379. doi: 10.1130/G37574Y.1
  48. DE Ibarra and CP Chamberlain, 2015, Quantifying closed-basin lake temperature and hydrology by inversion of oxygen isotope and trace element paleoclimate records, American Journal of Science, 315 (9), 781-808. doi: 10.2475/09.2015.01
  49. Y Gao, CS Wang, ZF Liu, XJ Du, DE Ibarra, 2015, Diagenetic and paleoenvironmental controls on Late Cretaceous clay minerals in the Songliao Basin, northeast China, Clays and Clay Minerals, 63 (6), 469-484. doi: 10.1346/CCMN.2015.0630605
  50. F von Blanckenburg, J Bouchez, DE Ibarra, K Maher, 2015, Stable runoff and weathering fluxes into the oceans over Quaternary climate cycles, Nature Geoscience, 8 (7), 538-542. doi: 10.1038/ngeo2452
  51. JL Oster, DE Ibarra, MJ Winnick, K Maher, 2015, Steering of westerly storms over western North America at the Last Glacial Maximum, Nature Geoscience, 8 (3), 201-205. doi: 10.1038/ngeo2365
  52. Y Gao, DE Ibarra, CS Wang, JK Caves, CP Chamberlain, SA Graham, HC Wu, 2015, Mid-latitude terrestrial climate of East Asia linked to global climate in the Late Cretaceous, Geology, 43 (4), 287-290. doi: 10.1130/G36427.1.
  53. DE Ibarra, AE Egger, KL Weaver, CR Harris, K Maher, 2014, Rise and fall of late Pleistocene pluvial lakes in response to reduced evaporation and precipitation: Evidence from Lake Surprise, California, Geological Society of America Bulletin, 126 (11-12), 1387-1415. doi: 10.1130/B31014.1
  54. K Maher, DE Ibarra, JL Oster, DM Miller, JL Redwine, MC Reheis, JH Harden, 2014, Uranium isotopes in soils as a proxy for past infiltration and precipitation across the western United States, American Journal of Science, 314 (4), 821-857. doi: 10.2475/04.2014.01
  55. JL Oster, DE Ibarra, CR Harris, K Maher, 2012, Influence of eolian deposition and rainfall on the U-isotopic composition of soil water and soil minerals, Geochimica et Cosmochimica Acta, 88, 146-166. doi: 10.1016/j.gca.2012.04.004

Other Publications

  • MB Weller, AJ Evans, DE Ibarra, AV Johnson, T Kukla, 2022, Atmospheric Evidence of Early Plate Tectonics on Venus. 53rd Lunar and Planetary Science Conference. (Paper)
  • O Pourret et al. (w/ DE Ibarra), 2021, Open Access beyond Article Processing Charges (A comment on “For NGOs, article-processing charges sap conservation funds” by Wood et al.). doi: 10.31235/
  • 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. (Paper)
  • MB Weller, AJ Evans, DE Ibarra, AV Johnson, T Kukla, 2020, Exploring the Evolution and Habitability of Planets: Coupling of the Mantle-Atmosphere System. 51st Lunar and Planetary Science Conference. (Paper)
  • SW Parman, AJ Evans, MB Weller, CT Reinhard, DE Ibarra, EC First, BA Anzures, 2020, Abundance and Habitability of super-Mercuries. 51st Lunar and Planetary Science Conference. (Paper)
  • 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. Paper 223, 2015 International Symposium on Isotope Hydrology, IAEA, Vienna, Austria, 11-15 May.
  • DE Ibarra, AE Egger, K Maher, 2013, The late Pleistocene pluvial history of Surprise Valley, CA. 26th Pacific Climate Workshop. Pacific Grove, California, 3-6 March. Quaternary International, 387, 137. doi: 10.1016/j.quaint.2015.01.145
  • JL Oster, K Maher, DE Ibarra, 2011, Uranium isotopic variations in modern soils and dated soil minerals: calibrating a potential paleo-rainfall proxy.25th Pacific Climate Workshop, Pacific Grove, California, 6-9 March. Quaternary International, 310, 239. doi: 10.1016/j.quaint.2013.07.099