All Stories

  1. COMPARISON OF THERMAL DECOMPOSITION AND SEQUENTIAL DISSOLUTION—TWO SAMPLE PREPARATION METHODS FOR RADIOCARBON DATING OF LIME MORTARS

    Article • Radiocarbon, March 2021, Cambridge University Press

    Dr. Irka Hajdas

  2. Alluvial deposits evolution in the Inaouene river valley (Morocco) during late Pleistocene and Holocene epoch.

    Article • March 2021, Copernicus GmbH

    Dr. Irka Hajdas

  3. First investigations of fine-grained cryogenic cave carbonates from a High-Arctic permafrost karst system in Greenland

    Article • March 2021, Copernicus GmbH

    Dr. Irka Hajdas

  4. Calibrated long-term lacustrine paleoseismic records from Carinthia (Austria): implications for earthquake hazard in the south-eastern Alps

    Article • March 2021, Copernicus GmbH

    Dr. Irka Hajdas

  5. Combined on-fault and off-fault paleoseismic evidence in the postglacial lacustrine sediments of Achensee (Austria, Eastern Alps)

    Article • March 2021, Copernicus GmbH

    Dr. Irka Hajdas

  6. A field guide to mortar sampling for radiocarbon dating*

    Article • Archaeometry, January 2021, Wiley

    Dr. Irka Hajdas

  7. The Rediscovery of Jan Ruyscher and Its Consequence

    Article • Journal of the American Institute for Conservation, January 2021, Taylor & Francis

    Dr. Irka Hajdas

  8. Author Correction: Extraordinary human energy consumption and resultant geological impacts beginning around 1950 CE initiated the proposed Anthropocene Epoch

    Article • Communications Earth & Environment, November 2020, Springer Science + Business Media

    Dr. Irka Hajdas, Prof. Alejandro Cearreta

  9. Extraordinary human energy consumption and resultant geological impacts beginning around 1950 CE initiated the proposed Anthropocene Epoch

    Article • Communications Earth & Environment, October 2020, Springer Science + Business Media

    Dr. Irka Hajdas, Prof. Alejandro Cearreta

  10. Comparison of sample preparation procedures for mortar radiocarbon dating. Case study of Irulegi Castle (Navarre, Spain)

    Article • Quaternary Geochronology, October 2020, Elsevier

    Dr. Irka Hajdas

  11. Digging the history. Absolute chronology of the settlement complex at Czermno-Cherven’ (eastern Poland). Research status and perspectives

    Article • Sprawozdania Archeologiczne, September 2020, Institute of Archaeology and Ethnology, Polish Academy of Sciences

    Dr. Irka Hajdas

  12. Tempo of a Mega-henge: A New Chronology for Mount Pleasant, Dorchester, Dorset

    Article • Proceedings of the Prehistoric Society, August 2020, Cambridge University Press

    Dr. Irka Hajdas

  13. The IntCal20 Northern Hemisphere Radiocarbon Age Calibration Curve (0–55 cal kBP)

    Article • Radiocarbon, August 2020, Cambridge University Press

    Dr. Irka Hajdas

  14. Cold-Water Coral Mound Archive Provides Unique Insights Into Intermediate Water Mass Dynamics in the Alboran Sea During the Last Deglaciation

    Article • Frontiers in Marine Science, June 2020, Frontiers

    Dr. Irka Hajdas

  15. Development of 14C Dating of Mortars at ETH Zurich

    Article • Radiocarbon, June 2020, Cambridge University Press

    Dr. Irka Hajdas

  16. Radiocarbon Dating of Dolomitic Mortars from the Convent Saint John, Müstair (Switzerland): First Results

    Article • Radiocarbon, June 2020, Cambridge University Press

    Dr. Irka Hajdas

  17. Variability of Early Iron Production in the Falémé Valley Region, Eastern Senegal

    Article • African Archaeological Review, May 2020, Springer Science + Business Media

    Dr. Irka Hajdas

  18. The Ins and Outs of 14C Dating Lead White Paint for Artworks Application

    Article • Analytical Chemistry, May 2020, American Chemical Society (ACS)

    Dr. Irka Hajdas

  19. Age and Provenance Analysis from Micrograms of Artwork Pigments

    Article • CHIMIA International Journal for Chemistry, April 2020, Swiss Chemical Society

    Dr. Irka Hajdas

  20. Evaporites reveal Pleistocene basin dynamics in the Danakil depression (northern Afar, Ethiopia)

    Article • March 2020, Copernicus GmbH

    Dr. Irka Hajdas

  21. Old lime kilns buried in Val Chavagl (Swiss National Parc)

    Article • March 2020, Copernicus GmbH

    Dr. Irka Hajdas

  22. The origin and fate of organic matter in circum-Arctic subglacial ecosystems

    Article • March 2020, Copernicus GmbH

    Dr. Irka Hajdas

  23. Integrated Dating of the Construction and Restoration of the Modena Cathedral Vaults (Northern Italy): Preliminary Results

    Article • Radiocarbon, March 2020, Cambridge University Press

    Dr. Irka Hajdas

  24. Radiocarbon Dating of Small-sized Foraminifer Samples: Insights into Marine sediment Mixing

    Article • Radiocarbon, March 2020, Cambridge University Press

    Dr. Irka Hajdas

  25. Delayed Hardening and Reactivation of Binder Calcite, Common Problems in Radiocarbon Dating of Lime Mortars

    Article • Radiocarbon, February 2020, Cambridge University Press

    Dr. Irka Hajdas

  26. An Atypical Medieval Burial at the Monte Dei Cappuccini Monastery in Torino (Italy): A Case Study With High-Precision Radiocarbon Dating

    Article • Radiocarbon, January 2020, Cambridge University Press

    Dr. Irka Hajdas

  27. Dual isotope system analysis of lead white in artworks

    Article • The Analyst, January 2020, Royal Society of Chemistry

    Dr. Irka Hajdas

  28. 14C Dating of mortar from ruins of an early medieval church hohenrätien GR, Switzerland

    Article • Geochronometria, January 2020, De Gruyter

    Dr. Irka Hajdas

  29. New Radiocarbon-based assessment Supports the Prominence of Tel Lachish during late Bronze age IB-IIA

    Article • Radiocarbon, November 2019, Cambridge University Press

    Dr. Irka Hajdas

  30. Steady transformation of primeval forest into subalpine pasture during the Late Neolithic to Early Bronze Age (2300−1700 BC) in the Silvretta Alps, Switzerland

    Article • The Holocene, November 2019, SAGE Publications

    Dr. Irka Hajdas

  31. Bomb 14C on paper and detection of the Forged Paintings of T’ang Haywen

    Article • Radiocarbon, October 2019, Cambridge University Press

    Dr. Irka Hajdas

  32. Consistently dated Atlantic sediment cores over the last 40 thousand years

    Article • Scientific Data, September 2019, Springer Science + Business Media

    Dr. Irka Hajdas

  33. Radiocarbon Dating and the Protection of Cultural Heritage

    Article • Radiocarbon, September 2019, Cambridge University Press

    Dr. Irka Hajdas

  34. The sequence at Carihuela Cave and its potential for research into Neanderthal ecology and the Mousterian in southern Spain

    Article • Quaternary Science Reviews, August 2019, Elsevier

    Dr. Irka Hajdas

  35. Uncovering modern paint forgeries by radiocarbon dating

    Article • Proceedings of the National Academy of Sciences, June 2019, Proceedings of the National Academy of Sciences

    Dr. Irka Hajdas

  36. Holocene paleoecological changes and agro-pastoral impact on the La Narce du Béage mire (Massif Central, France)

    Article • The Holocene, March 2019, SAGE Publications

    Dr. Irka Hajdas

  37. The subaqueous landslide cycle in south-central Chilean lakes: The role of tephra, slope gradient and repeated seismic shaking

    Article • Sedimentary Geology, March 2019, Elsevier

    Dr. Irka Hajdas

  38. The Awakening of the Dormant Mount Vettore Fault (2016 Central Italy Earthquake, M w 6.6): Paleoseismic Clues on Its Millennial Silences

    Article • Tectonics, February 2019, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  39. Les fluctuations environnementales des deux derniers millénaires en Afrique de l'Ouest : premiers résultats de l'étude des terrasses alluviales du ravin de Sansandé (vallée de la Falémé, Sénégal oriental)

    Article • Géomorphologie relief processus environnement, December 2018, OpenEdition

    Dr. Irka Hajdas

  40. Fluvial dynamics and14C-10Be disequilibrium on the Bolivian Altiplano

    Article • Earth Surface Processes and Landforms, November 2018, Wiley

    Dr. Irka Hajdas

  41. Environmental conditions of settlement in the vicinity of the mediaeval capital of the Cherven Towns (Czermno site, Hrubieszów Basin, Eastern Poland)

    Article • Quaternary International, November 2018, Elsevier

    Dr. Irka Hajdas

  42. Selective Dating of Paint Components: Radiocarbon Dating of Lead White Pigment

    Article • Radiocarbon, October 2018, Cambridge University Press

    Dr. Irka Hajdas

  43. Postglacial to Holocene landscape evolution and process rates in steep alpine catchments

    Article • Earth Surface Processes and Landforms, September 2018, Wiley

    Dr. Irka Hajdas

  44. Large-scale paleoceanographic variations in the western Mediterranean Sea during the last 34,000 years: From enhanced cold-water coral growth to declining mounds

    Article • Marine Micropaleontology, September 2018, Elsevier

    Dr. Irka Hajdas, Dr. Andres Rüggeberg

  45. Tunnug 1 (Arzhan 0) – an early Scythian kurgan in Tuva Republic, Russia

    Article • Archaeological Research in Asia, September 2018, Elsevier

    Dr. Irka Hajdas

  46. The first vertebrate fossil from Socotra Island (Yemen) is an early Holocene Egyptian fruit bat

    Article • Journal of Natural History, August 2018, Taylor & Francis

    Dr. Irka Hajdas

  47. Alpine cattle management during the Bronze Age at Ramosch-Mottata, Switzerland

    Article • Quaternary International, August 2018, Elsevier

    Dr. Irka Hajdas

  48. Regional deformation of late Quaternary fluvial sediments in the Apennines foreland basin (Emilia, Italy)

    Article • International Journal of Earth Sciences, April 2018, Springer Science + Business Media

    Dr. Irka Hajdas

  49. Radiocarbon Dating and Intercomparison of Some Early Historical Radiocarbon Samples

    Article • Radiocarbon, April 2018, Cambridge University Press

    Timothy Jull, Dr. Irka Hajdas

  50. Multistage Rock-Slope Failures Revealed in Lake Sediments in a Seismically Active Alpine Region (Lake Oeschinen, Switzerland)

    Article • Journal of Geophysical Research Earth Surface, April 2018, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  51. A High-Resolution 14C Chronology Tracks Pulses of Aggradation of Glaciofluvial Sediment on the Cormor Megafan between 45 and 20 ka BP

    Article • Radiocarbon, March 2018, Cambridge University Press

    Dr. Irka Hajdas

  52. First Ams Radiocarbon Direct Dates on Bones from Extinct Megafauna in Camet Norte (Santa Clara Del Mar, Buenos Aires Province, Argentina)

    Article • Ameghiniana, February 2018, Asociacion Paleontologica Argentina

    Dr. Irka Hajdas

  53. Untargeted metabolomics-like screening approach for chemical characterization and differentiation of canopic jar and mummy samples from Ancient Egypt using GC-high resolution MS

    Article • The Analyst, January 2018, Royal Society of Chemistry

    Dr. Irka Hajdas

  54. Holocene evolution of the Triftje- and the Oberseegletscher (Swiss Alps) constrained with 10Be exposure and radiocarbon dating

    Article • Swiss Journal of Geosciences, December 2017, Springer Science + Business Media

    Dr. Irka Hajdas

  55. Combined 14C Analysis of Canvas and Organic Binder for Dating a Painting

    Article • Radiocarbon, December 2017, Cambridge University Press

    Dr. Irka Hajdas

  56. Mortar Dating Methodology: Assessing Recurrent Issues and Needs for Further Research

    Article • Radiocarbon, December 2017, Cambridge University Press

    Dr. Irka Hajdas, Prof. Gilberto Artioli

  57. Preparation and Dating of Mortar Samples—Mortar Dating Inter-Comparison Study (MODIS)

    Article • Radiocarbon, November 2017, Cambridge University Press

    Dr. Irka Hajdas, Prof. Gilberto Artioli

  58. The Working Group on the Anthropocene: Summary of evidence and interim recommendations

    Article • Anthropocene, September 2017, Elsevier

    Professor Erle C Ellis, Prof. Alejandro Cearreta, Dr. Irka Hajdas

  59. Molecular, isotopic and radiocarbon evidence for broomcorn millet cropping in Northeast France since the Bronze Age

    Article • Organic Geochemistry, August 2017, Elsevier

    Dr. Irka Hajdas

  60. Last Glacial pollen-climate reconstructions from Northland, New Zealand

    Article • Journal of Quaternary Science, June 2017, Wiley

    Dr. Irka Hajdas

  61. Millennial scale variability of denudation rates for the last 15 kyr inferred from the detrital 10Be record of Lake Stappitz in the Hohe Tauern massif, Austrian Alps

    Article • The Holocene, June 2017, SAGE Publications

    Dr. Irka Hajdas

  62. The Alpine LGM in the boreal ice-sheets game

    Article • Scientific Reports, May 2017, Springer Science + Business Media

    Dr. Irka Hajdas

  63. Lagoonal settlements and relative sea level during Bronze Age in Northern Adriatic: Geoarchaeological evidence and paleogeographic constraints

    Article • Quaternary International, May 2017, Elsevier

    Dr. Irka Hajdas

  64. High-precision 14C and 40Ar/39Ar dating of the Campanian Ignimbrite (Y-5) reconciles the time-scales of climatic-cultural processes at 40 ka

    Article • Scientific Reports, April 2017, Springer Science + Business Media

    Dr. Irka Hajdas

  65. From medieval land clearing to industrial development: 800 years of human-impact history in the Joux Valley (Swiss Jura)

    Article • The Holocene, March 2017, SAGE Publications

    Dr. Irka Hajdas

  66. Multi-proxy dating the ‘Millennium Eruption’ of Changbaishan to late 946 CE

    Article • Quaternary Science Reviews, February 2017, Elsevier

    Dr. Irka Hajdas

  67. Radiocarbon Age Dating of 1,000-Year-Old Pearls from the Cirebon Shipwreck (Java, Indonesia)

    Article • The Journal of Gemmology, January 2017, GEM-A

    Dr. Irka Hajdas

  68. Evaluation of Preparation Methods in Radiocarbon Dating of Old Wood

    Article • Radiocarbon, December 2016, Cambridge University Press

    Dr. Irka Hajdas

  69. Queen Nefertari, the Royal Spouse of Pharaoh Ramses II: A Multidisciplinary Investigation of the Mummified Remains Found in Her Tomb (QV66)

    Article • PLoS ONE, November 2016, PLOS

    Dr. Irka Hajdas

  70. Constant denudation rates in a high alpine catchment for the last 6 kyrs

    Article • Earth Surface Processes and Landforms, November 2016, Wiley

    Dr. Irka Hajdas

  71. Pollen from Late Pleistocene hyena ( Crocuta crocuta spelaea ) coprolites: An interdisciplinary approach from two Italian sites

    Article • Review of Palaeobotany and Palynology, October 2016, Elsevier

    Penny Spikins, Dr. Irka Hajdas

  72. The “Enhancement” of Cultural Heritage by AMS Dating: Ethical Questions and Practical Proposals

    Article • Radiocarbon, September 2016, Cambridge University Press

    Dr. Irka Hajdas

  73. Two early Holocene rock avalanches in the Bernese Alps (Rinderhorn, Switzerland)

    Article • Geomorphology, September 2016, Elsevier

    Dr. Irka Hajdas

  74. Neolithic to Bronze Age (4850–3450 cal. BP) fire management of the Alpine Lower Engadine landscape (Switzerland) to establish pastures and cereal fields

    Article • The Holocene, August 2016, SAGE Publications

    Dr. Irka Hajdas

  75. Long-stored soil carbon released by prehistoric land use: Evidence from compound-specific radiocarbon analysis on Soppensee lake sediments

    Article • Quaternary Science Reviews, July 2016, Elsevier

    Dr. Irka Hajdas

  76. West African Palaeolithic history: New archaeological and chronostratigraphic data from the Falémé valley, eastern Senegal

    Article • Quaternary International, July 2016, Elsevier

    Dr. Irka Hajdas

  77. Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids (BPCA)

    Article • Journal of Visualized Experiments, May 2016, MyJove Corporation

    Dr. Irka Hajdas

  78. Landslide deposits as stratigraphical markers for a sequence-based glacial stratigraphy: a case study of a Younger Dryas system in the Eastern Alps

    Article • Boreas, March 2016, Wiley

    Dr. Irka Hajdas

  79. Microscale radiocarbon dating of paintings

    Article • Applied Physics A, February 2016, Springer Science + Business Media

    Dr. Irka Hajdas

  80. Microbial diversity in European alpine permafrost and active layers

    Article • FEMS Microbiology Ecology, January 2016, Oxford University Press (OUP)

    Dr. Irka Hajdas

  81. Little Ice Age wetting of interior Asian deserts and the rise of the Mongol Empire

    Article • Quaternary Science Reviews, January 2016, Elsevier

    Cheng Hai, Dr. Irka Hajdas

  82. The recent history of deep water coral bioconstructions in the Alboran Sea

    Article • PLoS ONE, October 2015, PLOS

    Professor Antonietta Rosso, Dr. Irka Hajdas, Dr. Andres Rüggeberg

  83. When did the Anthropocene begin? A mid-twentieth century boundary level is stratigraphically optimal

    Article • Quaternary International, October 2015, Elsevier

    Professor Erle C Ellis, Prof. Alejandro Cearreta, Dr. Irka Hajdas

  84. Colonization of the Americas, ‘Little Ice Age’ climate, and bomb-produced carbon: Their role in defining the Anthropocene

    Article • The Anthropocene Review, May 2015, SAGE Publications

    Professor Erle C Ellis, Prof. Alejandro Cearreta, Dr. Irka Hajdas

  85. Mercury Deposition and Re-emission Pathways in Boreal Forest Soils Investigated with Hg Isotope Signatures

    Article • Environmental Science & Technology, May 2015, American Chemical Society (ACS)

    Dr. Irka Hajdas

  86. A 10,300-year-old permafrost core from the active rock glacier Lazaun, southern Ötztal Alps (South Tyrol, northern Italy)

    Article • Quaternary Research, March 2015, Cambridge University Press

    Dr. Irka Hajdas

  87. Age and Thermal Stability of Particulate Organic Matter Fractions Indicate the Presence of Black Carbon in Soil

    Article • Radiocarbon, January 2015, Cambridge University Press

    Dr. Irka Hajdas

  88. Dating, synthesis, and interpretation of palaeoclimatic records of the Last Glacial cycle and model-data integration: advances by the INTIMATE (INTegration of Ice-core, MArine and TErrestrial records) COST Action ES0907

    Article • Quaternary Science Reviews, December 2014, Elsevier

    Dr. Irka Hajdas

  89. Palaeoecological evidence for Mesolithic to Medieval climatic change and anthropogenic impact on the Alpine flora and vegetation of the Silvretta Massif (Switzerland/Austria)

    Article • Quaternary International, December 2014, Elsevier

    Dr. Irka Hajdas

  90. The importance of independent chronology in integrating records of past climate change for the 60–8 ka INTIMATE time interval

    Article • Quaternary Science Reviews, December 2014, Elsevier

    Dr. Irka Hajdas

  91. Correlation of fluvial terraces and temporal steady-state incision on the onshore Makran accretionary wedge in southeastern Iran: Insight from channel profiles and 10Be exposure dating of strath terraces

    Article • Geological Society of America Bulletin, October 2014, Geological Society of America

    Dr. Irka Hajdas

  92. Nine Years of Irrigation Cause Vegetation and Fine Root Shifts in a Water-Limited Pine Forest

    Article • PLoS ONE, May 2014, PLOS

    Dr. Irka Hajdas

  93. Purification of fire derived markers for μg scale isotope analysis (δ13C, Δ14C) using high performance liquid chromatography (HPLC)

    Article • Organic Geochemistry, May 2014, Elsevier

    Dr. Irka Hajdas

  94. 41Ca, 14C and 10Be concentrations in coral sand from the Bikini atoll

    Article • Journal of Environmental Radioactivity, March 2014, Elsevier

    Dr. Irka Hajdas

  95. Paleosol architecture of a late Quaternary basin–margin sequence and its implications for high-resolution, non-marine sequence stratigraphy

    Article • Global and Planetary Change, January 2014, Elsevier

    Dr. Irka Hajdas

  96. Second Radiocarbon Intercomparison Program for the Chauvetpont d'Arc Cave, Ardèche, France

    Article • Radiocarbon, January 2014, Cambridge University Press

    Dr. Irka Hajdas

  97. Textiles and Radiocarbon Dating

    Article • Radiocarbon, January 2014, Cambridge University Press

    Dr. Irka Hajdas

  98. Source of the great A.D. 1257 mystery eruption unveiled, Samalas volcano, Rinjani Volcanic Complex, Indonesia

    Article • Proceedings of the National Academy of Sciences, September 2013, Proceedings of the National Academy of Sciences

    Dr. Irka Hajdas

  99. Isolation and compound specific radiocarbon dating of terrigenous branched glycerol dialkyl glycerol tetraethers (brGDGTs)

    Article • Organic Geochemistry, July 2013, Elsevier

    Dr. Irka Hajdas

  100. Correlating the Ancient Maya and Modern European Calendars with High-Precision AMS 14C Dating

    Article • Scientific Reports, April 2013, Springer Science + Business Media

    Dr Norbert Marwan, Dr. Irka Hajdas

  101. Climatic impact of the Millennium eruption of Changbaishan volcano in China: New insights from high-precision radiocarbon wiggle-match dating

    Article • Geophysical Research Letters, January 2013, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  102. A novel approach to process carbonate samples for radiocarbon measurements with helium carrier gas

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, January 2013, Elsevier

    Dr. Irka Hajdas

  103. A versatile gas interface for routine radiocarbon analysis with a gas ion source

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, January 2013, Elsevier

    Dr. Irka Hajdas

  104. Age Determination of the Kawagodaira Volcanic Eruption in Japan by 14C Wiggle-Matching

    Article • Radiocarbon, January 2013, Cambridge University Press

    Dr. Irka Hajdas

  105. C-14 analysis of groundwater down to the millilitre level

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, January 2013, Elsevier

    Dr. Irka Hajdas

  106. IntCal13 and Marine13 Radiocarbon Age Calibration Curves 0–50,000 Years cal BP

    Article • Radiocarbon, January 2013, Cambridge University Press

    Dr. Irka Hajdas

  107. Selection and Treatment of Data for Radiocarbon Calibration: An Update to the International Calibration (IntCal) Criteria

    Article • Radiocarbon, January 2013, Cambridge University Press

    Dr. Irka Hajdas

  108. Status Report of the New AMS 14C Sample Preparation Lab of the Hertelendi Laboratory of Environmental Studies (Debrecen, Hungary)

    Article • Radiocarbon, January 2013, Cambridge University Press

    Dr. Irka Hajdas

  109. Status report on sample preparation facilities for 14C analysis at the new CologneAMS center

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, January 2013, Elsevier

    Dr. Irka Hajdas

  110. Soil acidity affects fine root turnover of European beech

    Article • Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology, November 2012, Taylor & Francis

    Dr. Irka Hajdas

  111. Diatom-inferred late Pleistocene and Holocene palaeolimnological changes in the Ioannina basin, northwest Greece

    Article • Journal of Paleolimnology, October 2012, Springer Science + Business Media

    Dr. Irka Hajdas

  112. Evolution of carbon fluxes during initial soil formation along the forefield of Damma glacier, Switzerland

    Article • Biogeochemistry, September 2012, Springer Science + Business Media

    Dr. Irka Hajdas

  113. Combining an archaeomagnetic and radiocarbon study: dating of medieval fireplaces at the Mühlegasse, Zürich

    Article • Journal of Archaeological Science, July 2012, Elsevier

    Dr. Irka Hajdas

  114. The AD 1717 rock avalanche deposits in the upper Ferret Valley (Italy): a dating approach with cosmogenic 10 Be

    Article • Journal of Quaternary Science, January 2012, Wiley

    Dr. Irka Hajdas

  115. Roman Ruins as an Experiment for Radiocarbon Dating of Mortar

    Article • Radiocarbon, January 2012, Cambridge University Press

    Dr. Irka Hajdas

  116. Control of soil pH on turnover of belowground organic matter in subalpine grassland

    Article • Biogeochemistry, December 2011, Springer Science + Business Media

    Dr. Irka Hajdas

  117. Deglaciation, basin formation and post-glacial climate change from a regional network of sediment core sites in Ohio and eastern Indiana

    Article • Quaternary Research, November 2011, Cambridge University Press

    Dr. Irka Hajdas

  118. Chemical and Biological Gradients along the Damma Glacier Soil Chronosequence, Switzerland

    Article • Vadose Zone Journal, August 2011, Wiley

    Dr. Irka Hajdas

  119. Anomalous Radiocarbon Ages Found in Campanian Ignimbrite Deposit of the Mediterranean Deep-Sea Core CT85-5

    Article • Radiocarbon, January 2011, Cambridge University Press

    Dr. Irka Hajdas

  120. Recovery of the forest ecosystem in the tropical lowlands of northern Guatemala after disintegration of Classic Maya polities

    Article • Geology, June 2010, Geological Society of America

    Dr. Irka Hajdas

  121. Direct measurements of small 14C samples after oxidation in quartz tubes

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, April 2010, Elsevier

    Dr. Irka Hajdas

  122. Age-Depth Model of Lake Soppensee (Switzerland) Based on the High-Resolution 14C Chronology Compared with Varve Chronology

    Article • Radiocarbon, January 2010, Cambridge University Press

    Dr. Irka Hajdas

  123. Alternative Methods for Cellulose Preparation for AMS Measurement

    Article • Radiocarbon, January 2010, Cambridge University Press

    Dr. Irka Hajdas

  124. Frequency Distribution of14C Ages for Chronostratigraphic Reconstructions: Alaska Region Study Case

    Article • Radiocarbon, January 2010, Cambridge University Press

    Dr. Irka Hajdas

  125. MICADAS: Routine and High-Precision Radiocarbon Dating

    Article • Radiocarbon, January 2010, Cambridge University Press

    Dr. Irka Hajdas

  126. On-line Radiocarbon Measurements of Small Samples Using Elemental Analyzer and MICADAS Gas Ion Source

    Article • Radiocarbon, January 2010, Cambridge University Press

    Dr. Irka Hajdas

  127. 40Ar/39Ar and 14C geochronology of the Albano maar deposits: Implications for defining the age and eruptive style of the most recent explosive activity at Colli Albani Volcanic District, Central Italy

    Article • Journal of Volcanology and Geothermal Research, August 2009, Elsevier

    Dr. Irka Hajdas

  128. Deglaciation ages and meltwater routing in the Fort McMurray region, northeastern Alberta and northwestern Saskatchewan, Canada

    Article • Quaternary Science Reviews, August 2009, Elsevier

    Dr. Irka Hajdas

  129. Radiocarbon deglaciation chronology of the Thunder Bay, Ontario area and implications for ice sheet retreat patterns

    Article • Quaternary Science Reviews, August 2009, Elsevier

    Dr. Irka Hajdas

  130. Geochemical evidence for high-resolution variations during deposition of the Holocene S1 sapropel on the Cretan Ridge, Eastern Mediterranean

    Article • Palaeogeography Palaeoclimatology Palaeoecology, March 2009, Elsevier

    Dr. Irka Hajdas

  131. A record of temperature and monsoon intensity over the past 40 kyr from groundwater in the North China Plain

    Article • Chemical Geology, February 2009, Elsevier

    Dr. Irka Hajdas

  132. Applications of Radiocarbon Dating Method

    Article • Radiocarbon, January 2009, Cambridge University Press

    Dr. Irka Hajdas

  133. Dating Bones near the Limit of the Radiocarbon Dating Method: Study Case Mammoth from Niederweningen, ZH Switzerland

    Article • Radiocarbon, January 2009, Cambridge University Press

    Dr. Irka Hajdas

  134. IntCal09 and Marine09 Radiocarbon Age Calibration Curves, 0–50,000 Years cal BP

    Article • Radiocarbon, January 2009, Cambridge University Press

    Dr. Irka Hajdas

  135. New Radiocarbon Dates for the Early Neolithic of the Western Mediterranean

    Article • Radiocarbon, January 2009, Cambridge University Press

    Dr. Irka Hajdas

  136. Timescales and cultural process at 40,000 BP in the light of the Campanian Ignimbrite eruption, Western Eurasia

    Article • Journal of Human Evolution, November 2008, Elsevier

    Dr. Irka Hajdas

  137. Recent developments in Quaternary dating methods

    Article • Geographica Helvetica, September 2008, Copernicus GmbH

    Dr. Irka Hajdas

  138. The chronology, climate, and confusion of the Moorhead Phase of glacial Lake Agassiz: new results from the Ojata Beach, North Dakota, USA

    Article • Quaternary Science Reviews, June 2008, Elsevier

    Dr. Irka Hajdas

  139. Weathering, soil formation and initial ecosystem evolution on a glacier forefield: a case study from the Damma Glacier, Switzerland

    Article • Mineralogical Magazine, February 2008, Mineralogical Society

    Dr. Irka Hajdas

  140. Lateglacial and early Holocene climate oscillations in the Matanuska Valley, south-central Alaska

    Article • Quaternary Science Reviews, January 2008, Elsevier

    Dr. Irka Hajdas

  141. Landscape Evolution and Deglaciation of the Upper Peninsula, Michigan: An Examination of Chronology and Stratigraphy in Kettle Lake Cores

    Article • Journal of Great Lakes Research, December 2007, Elsevier

    Dr. Irka Hajdas

  142. Lake sediments deposited on the Flims rockslide mass: the key to date the largest mass movement of the Alps

    Article • Terra Nova, August 2007, Wiley

    Dr. Irka Hajdas

  143. Radiocarbon ages of soil charcoals from the southern Alps, Ticino, Switzerland

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, June 2007, Elsevier

    Dr. Irka Hajdas

  144. Radiocarbon age of late glacial deep water from the equatorial Pacific

    Article • Paleoceanography, May 2007, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  145. Radiocarbon age offsets of foraminifera resulting from differential dissolution and fragmentation within the sedimentary bioturbated zone

    Article • Paleoceanography, May 2007, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  146. Radiocarbon chronology of the mammoth site at Niederweningen, Switzerland: Results from dating bones, teeth, wood, and peat

    Article • Quaternary International, April 2007, Elsevier

    Dr. Irka Hajdas

  147. Ages for the Big Stone Moraine and the oldest beaches of glacial Lake Agassiz: Implications for deglaciation chronology

    Article • Geology, January 2007, Geological Society of America

    Dr. Irka Hajdas

  148. Construction of the Calendar Timescale for Lake Wigry (Ne Poland) Sediments on the Basis of Radiocarbon Dating

    Article • Radiocarbon, January 2007, Cambridge University Press

    Dr. Irka Hajdas

  149. The co-evolution of Black Sea level and composition through the last deglaciation and its paleoclimatic significance

    Article • Quaternary Science Reviews, September 2006, Elsevier

    Dr. Irka Hajdas

  150. Une préhampe magdalénienne en bois de renne aux Petits Guinards (Allier, France)

    Article • Comptes Rendus Palevol, July 2006, Elsevier

    Dr. Irka Hajdas

  151. Anomalous radiocarbon ages for foraminifera shells

    Article • Paleoceanography, May 2006, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  152. Timing of the late-glacial climate reversal in the Southern Hemisphere using high-resolution radiocarbon chronology for Kaipo Bog, New Zealand

    Article • Quaternary Research, March 2006, Cambridge University Press

    Dr. Irka Hajdas

  153. Contributions of fossil fuel, biomass-burning, and biogenic emissions to carbonaceous aerosols in Zurich as traced by14C

    Article • Journal of Geophysical Research Atmospheres, January 2006, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  154. Mid-Holocene strengthening of the Southern Westerlies in South America — Sedimentological evidences from Lago Cardiel, Argentina (49°S)

    Article • Global and Planetary Change, November 2005, Elsevier

    Dr. Irka Hajdas

  155. Principal features (master curve) of geomagnetic field variations in Belorussia during the last 12 thousand years

    Article • Russian Journal of Earth Sciences, March 2005, Geophysical Center of the Russian Academy of Sciences

    Dr. Irka Hajdas

  156. Testing the Lake Agassiz meltwater trigger for the Younger Dryas

    Article • Eos, January 2005, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  157. Ventilation of the Glacial Deep Pacific Ocean

    Article • Science, November 2004, American Association for the Advancement of Science

    Dr. Irka Hajdas

  158. A report on sample preparation at the ETH/PSI AMS facility in Zurich

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, August 2004, Elsevier

    Dr. Irka Hajdas

  159. Holocene megathermal abrupt environmental changes derived from 14C dating of a coral reef at Leizhou Peninsula, South China Sea

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, August 2004, Elsevier

    Dr. Irka Hajdas

  160. Radiocarbon (14C)-deduced biogenic and anthropogenic contributions to organic carbon (OC) of urban aerosols from Zürich, Switzerland

    Article • Atmospheric Environment, August 2004, Elsevier

    Dr. Irka Hajdas

  161. Radiocarbon and absolute chronology of the Late-Glacial record from Hauterive/Rouges-Terres, Lake Neuchâtel (CH)

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, August 2004, Elsevier

    Dr. Irka Hajdas

  162. THEODORE, a two-step heating system for the EC/OC determination of radiocarbon (14C) in the environment

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, August 2004, Elsevier

    Dr. Irka Hajdas

  163. Glacial ventilation rates for the deep Pacific Ocean

    Article • Paleoceanography, April 2004, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  164. 14C Ages of Ostracodes from Pleistocene Lake Sediments of the Western Great Basin, Usa—Results of Progressive Acid Leaching

    Article • Radiocarbon, January 2004, Cambridge University Press

    Dr. Irka Hajdas

  165. Source Apportionment of Aerosols by 14C Measurements in Different Carbonaceous Particle Fractions

    Article • Radiocarbon, January 2004, Cambridge University Press

    Dr. Irka Hajdas

  166. The Comparison of 14C Wiggle-Matching Results for the ‘Floating’ Tree-Ring Chronology of the Ulandryk-4 Burial Ground (Altai Mountains, Siberia)

    Article • Radiocarbon, January 2004, Cambridge University Press

    Dr. Irka Hajdas

  167. Very high resolution paleosecular variation record for the last ∼1200 years from the Aral Sea

    Article • Geophysical Research Letters, September 2003, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  168. Radiocarbon and luminescence dating of overbank deposits in outwash sediments of the Last Glacial Maximum in North Westland, New Zealand

    Article • New Zealand Journal of Geology and Geophysics, March 2003, Taylor & Francis

    Dr. Irka Hajdas

  169. Ice-rafted detritus evidence from 40Ar/39Ar ages of individual hornblende grains for evolution of the eastern margin of the Laurentide ice sheet since 43 14Cky

    Article • Quaternary International, January 2003, Elsevier

    Dr. Irka Hajdas

  170. Precise radiocarbon dating of Late-Glacial cooling in mid-latitude South America

    Article • Quaternary Research, January 2003, Cambridge University Press

    Dr. Irka Hajdas

  171. Constraints on Black Sea outflow to the Sea of Marmara during the last glacial–interglacial transition

    Article • Marine Geology, October 2002, Elsevier

    Dr. Irka Hajdas

  172. Persistent Solar Influence on North Atlantic Climate During the Holocene

    Article • Science, November 2001, American Association for the Advancement of Science

    Dr. Irka Hajdas

  173. Can deep ocean carbonate preservation history inferred from atmospheric pCO2 account for 14C and %CaCO3 profiles on the Ontong–Java Plateau?

    Article • Earth and Planetary Science Letters, October 2001, Elsevier

    Dr. Irka Hajdas

  174. What caused the atmosphere's CO2content to rise during the last 8000 years?

    Article • Geochemistry Geophysics Geosystems, October 2001, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  175. Article • Journal of Paleolimnology, January 2001, Springer Science + Business Media

    Dr. Irka Hajdas

  176. Late glacial diatom accumulation at 9°S in the Indian Ocean

    Article • Paleoceanography, June 2000, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  177. Radiocarbon Dating of Varve Chronologies: Soppensee and Holzmaar Lakes after Ten Years

    Article • Radiocarbon, January 2000, Cambridge University Press

    Dr. Irka Hajdas

  178. Evidence for a reduction in the carbonate ion content of the deep sea during the course of the Holocene

    Article • Paleoceanography, December 1999, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  179. Radiocarbon age differences between coexisting foraminiferal species

    Article • Paleoceanography, August 1999, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  180. Evaluating timescales of carbon turnover in temperate forest soils with radiocarbon data

    Article • Global Biogeochemical Cycles, June 1999, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  181. Core Top14C Ages as a Function of Latitude and Water Depth on the Ontong-Java Plateau

    Article • Paleoceanography, February 1999, American Geophysical Union (AGU)

    Dr. Irka Hajdas

  182. Provenance of Heinrich layers in core V28-82, northeastern Atlantic: 40Ar/39Ar ages of ice-rafted hornblende, Pb isotopes in feldspar grains, and Nd–Sr–Pb isotopes in the fine sediment fraction

    Article • Earth and Planetary Science Letters, December 1998, Elsevier

    Dr. Irka Hajdas

  183. Provenance change coupled with increased clay flux during deglacial times in the western equatorial Atlantic

    Article • Palaeogeography Palaeoclimatology Palaeoecology, October 1998, Elsevier

    Dr. Irka Hajdas

  184. Antiphasing between Rainfall in Africa's Rift Valley and North America's Great Basin

    Article • Quaternary Research, July 1998, Cambridge University Press

    Dr. Irka Hajdas

  185. Ambiguities in Direct Dating of Rock Surfaces Using Radiocarbon Measurements

    Article • Science, June 1998, American Association for the Advancement of Science

    Dr. Irka Hajdas

  186. Coral provides way to age deep water

    Article • Nature, March 1998, Springer Science + Business Media

    Dr. Irka Hajdas

  187. Cold reversal on Kodiak Island, Alaska, correlated with the European Younger Dryas by using variations of atmospheric 14C content

    Article • Geology, January 1998, Geological Society of America

    Dr. Irka Hajdas

  188. A Pervasive Millennial-Scale Cycle in North Atlantic Holocene and Glacial Climates

    Article • Science, November 1997, American Association for the Advancement of Science

    Dr. Irka Hajdas

  189. Assessing AMS 14C ages of detrital organics from Holocene and late-Pleistocene moraines, east-central Sierra Nevada, California, USA

    Article • The Holocene, December 1996, SAGE Publications

    Dr. Irka Hajdas

  190. The Effect of Tillage on Soil Organic Matter Using 14C: A Case Study

    Article • Radiocarbon, January 1996, Cambridge University Press

    Dr. Irka Hajdas

  191. AMS radiocarbon dating of annually laminated sediments from lake Holzmaar, Germany

    Article • Quaternary Science Reviews, January 1995, Elsevier

    Dr. Irka Hajdas

  192. Problems in the Extension of the Radiocarbon Calibration Curve (10–13 kyr BP)

    Article • Radiocarbon, January 1995, Cambridge University Press

    Dr. Irka Hajdas

  193. Radiocarbon Age of the Laacher See Tephra: 11,230 ± 40 BP

    Article • Radiocarbon, January 1995, Cambridge University Press

    Dr. Irka Hajdas

  194. Radiocarbon Dating the Holocene in the Gościąż Lake Floating Varve Chronology

    Article • Radiocarbon, January 1995, Cambridge University Press

    Dr. Irka Hajdas

  195. Ams 14C Age Determinations of Tissue, Bone and Grass Samples from the Ötztal Ice Man

    Article • Radiocarbon, January 1994, Cambridge University Press

    Dr. Irka Hajdas

  196. AMS radiocarbon dating and varve chronology of Lake Soppensee: 6000 to 12000 14C years BP

    Article • Climate Dynamics, December 1993, Springer Science + Business Media

    Dr. Irka Hajdas