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What's New

The World Data Center for Paleoclimatology features newly archived paleoclimatic data and climate reconstructions relevant to important issues in paleoclimatology, plus new services we offer to the scientific community. For a complete listing of data contributions, please click Search All Paleoclimatology Data

Please check our archived pages for What's New sections for the years: 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, and 1995.

Full Chronological Listing of Most Recent Data Contributions

What's New for 2013:
NICOPP Site Locations Map Nitrogen Cycle in the Ocean, Past and Present (NICOPP)
Tesdal et al. 2013

Volume 10, Number 1, January 2013

Nitrogen Cycle in the Ocean, Past and Present (NICOPP) database of global ocean marine sedimentary δ15N measurements, from both seafloor samples and subseafloor records.

What's New for 2012:
Arctic Lake Holocene Paleoenvironmental Records from Arctic Lake Sediment
Edited by Darrell Kaufman
Journal of Paleolimnology Special Volume

Volume 48, Number 1, May 2012

The 18 papers in this Special Issue of the Journal of Paleolimnology report new records of Holocene environmental and climate change from Arctic lake sediment. At least 15 distinct physical, chemical, and biological properties were analyzed at lakes located across the North American Arctic and subarctic, and northwestern Europe. The studies are notable for their multi-proxy approach (eight present data for at least five different proxies), and for the high quality of their geochronological control
Figure 4: Australasian September-January mean temperature reconstruction, A.D. 1000-2001 Evidence of unusual late 20th century warming from an Australasian temperature reconstruction spanning the last millennium
Gergis et al.
Journal of Climate

e-View Early Online Release, May 2012

This study presents the first multi-proxy warm season (September- February) temperature reconstruction for the combined land and oceanic region of Australasia (0°S-50°S, 110°E-180°E). We perform a 3000-member ensemble Principal Component Reconstruction (PCR) using 27 temperature proxies from the region. The proxy network explained 69% of the inter-annual variance in the HadCRUT3v SONDJF spatial mean temperature over the 1921-1990 calibration period. Applying eight stringent reconstruction 'reliability' metrics identified post A.D. 1430 as the highest quality section of the reconstruction, but also revealed a skillful reconstruction is possible over the full A.D. 1000-2001 period.
Figure S5: Annual regional mean time series reconstruction for western North America Western North America Annual Temperature Reconstruction
Wahl and Smerdon
Geophysical Research Letters

Vol. 39, L06703, March 2012, doi:10.1029/2012GL051086

This article presents a tree ring-based reconstruction of western North America annual temperature over 1500-1980, with 5x5 degree grid cell coverage for the region bounded by 30°-55°N and 95°-130°W. A 1000-member probabilistic ensemble derived by bootstrap methods is employed for characterization of uncertainty. A key result based on the ensemble methodology is that the most recent decades are, at the level of the bi-decadal average, very likely the warmest across the region during the past 500 years. The reconstruction is used in a side-by-side comparison with a parallel reconstruction driven by non-informative predictors that have the same temporal autoregressive structure as the tree ring data. The proxy-based reconstruction clearly outperforms the non-informative predictor-based reconstruction across a suite of calibration and validation skill measures.
Number of proxy records that each grid cell correlates significantly with Southern Hemisphere high-resolution palaeoclimate records of the last 2000 years
Neukom and Gergis
The Holocene

Vol. 22, no. 5, pp. 501-524, May 2012. DOI: 10.1177/0959683611427335

This study presents a comprehensive assessment of high-resolution Southern Hemisphere (SH) paleoarchives covering the last 2000 years. We identified 174 monthly to annually resolved climate proxy (tree ring, coral, ice core, documentary, speleothem and sedimentary) records from the Hemisphere. We assess the interannual and decadal sensitivity of each proxy record to large-scale circulation indices from the Pacific, Indian and Southern Ocean regions over the twentieth century. We then analyse the potential of this newly expanded palaeoclimate network to collectively represent predictands (sea surface temperature, sea level pressure, surface air temperature and precipitation) commonly used in climate reconstructions. The key dynamical centres-of-action of the equatorial Indo-Pacific are well captured by the palaeoclimate network, indicating that there is considerable reconstruction potential in this region, particularly in the post AD 1600 period when a number of long coral records are available.

What's New for 2011:
  • Data from Shah et al. "Global speleothem oxygen isotope measurements since the Last Glacial Maximum"
  • Data from Schmittner et al. Science "Climate Sensitivity Estimated from Temperature Reconstructions of the Last Glacial Maximum"
  • Data from Pederson et al. Science "The unusual nature of recent snowpack declines in the North American Cordillera"
  • Data from Li et al. Nature Climate Change "Interdecadal modulation of El Niño amplitude during the past millennium"
  • Graham et al. "Paleoclimate Reconstruction Challenge"
  • Data from Fawcett et al. Nature "Extended megadroughts in the southwestern United States during Pleistocene interglacials"
  • Data from Büntgen et al. Science "2500 Years of European Climate Variability and Human Susceptibility"

What's New for 2010:
  • Data from Yu et al. Science "Loss of Carbon from the Deep Sea Since the Last Glacial Maximum"
  • Data from Bartlein et al. Climate Dynamics "Pollen-based continental climate reconstructions at 6 and 21 ka: a global synthesis"
  • Data from Graham et al. Climate Dynamics "Support for global climate reorganization during the 'Medieval Climate Anomaly'"
  • Data from Linsley et al. Nature Geoscience "Holocene evolution of the Indonesian throughflow and the western Pacific warm pool"
  • Data from Neukom et al. Geophysical Research Letters "Multi-centennial summer and winter precipitation variability in southern South America"
  • Data from Herbert et al. Science "Tropical Ocean Temperatures Over the Past 3.5 Million Years"
  • Data from The Millennium Project: European Climate of the Last Millennium
  • Data from Cook et al. Science "Asian Monsoon Failure and Megadrought During the Last Millennium"
  • Data from Frank et al. Nature "Ensemble reconstruction constraints on the global carbon cycle sensitivity to climate"
  • Data from Neukom et al. Climate Dynamics "Multiproxy summer and winter surface air temperature field reconstructions for southern South America covering the past centuries"
  • Data from Mann et al. Science "Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly"
  • Data from Mann et al. Nature "Atlantic hurricanes and climate over the past 1,500 years"
  • Data from MARGO Project members Nature GeoScience "Constraints on the magnitude and patterns of ocean cooling at the Last Glacial Maximum"
What's New for 2009:
  • Data from Pichevin et al. Nature "Enhanced carbon pump inferred from relaxation of nutrient limitation in the glacial ocean"
  • Data from Clark and Huybers Nature "Interglacial and future sea level"
  • Data from Fleitmann et al. Geophysical Research Letters "Timing and climatic impact of Greenland interstadials recorded in stalagmites from northern Turkey"
  • Data from Pearson et al. Nature "Atmospheric carbon dioxide through the Eocene-Oligocene climate transition"
  • Data from Boch et al. Quaternary Science Reviews "High-resolution isotope records of early Holocene rapid climate change from two coeval stalagmites of Katerloch Cave, Austria"
  • Data from Griffiths et al. Nature GeoScience "Increasing Australian-Indonesian monsoon rainfall linked to early Holocene sea-level rise"
  • Data from Neukom et al. Geophysical Research Letters "An extended network of documentary data from South America and its potential for quantitative precipitation reconstructions back to the 16th century"
  • Data from Kaufman et al. Science "Recent warming reverses long-term Arctic cooling"
  • Data from Oppo et al. Nature "2,000-year-long temperature and hydrology reconstructions from the Indo-Pacific warm pool"
  • Data from Chase et al. Geology "A record of rapid Holocene climate change preserved in hyrax middens from southwestern Africa"
  • Data from Sosdian and Rosenthal Science "Deep-Sea Temperature and Ice Volume Changes Across the Pliocene-Pleistocene Climate Transitions"
  • Data from Felis et al. Geology "Subtropical coral reveals abrupt early-twentieth-century freshening in the western North Pacific Ocean"
  • Data from Küttel et al. Climate Dynamics "The importance of ship log data: reconstructing North Atlantic, European and Mediterranean sea level pressure fields back to 1750"
  • Data from Anderson et al. Science "Wind-Driven Upwelling in the Southern Ocean and the Deglacial Rise in Atmospheric CO2"
  • Data from Trouet et al. Science "Persistent Positive North Atlantic Oscillation Mode Dominated the Medieval Climate Anomaly"
  • Data from Geological Society of America Special Paper 450 "Paleoenvironments of Bear Lake, Utah and Idaho, and Its Catchment"
  • NOAA Paleoclimatology Reconstructions Network
  • Data from Journal of Paleolimnology Special Volume "Late Holocene Climatic and Environmental Change Inferred from Arctic Lake Sediments"
  • Data from De'ath et al. Science "Declining Coral Calcification on the Great Barrier Reef"

What's New for 2008:
  • Data from Tierney et al. Science "Northern Hemisphere Controls on Tropical Southeast African Climate During the Past 60,000 Years".
  • Data from Ahn and Brook Science "Atmospheric CO2 and Climate on Millennial Time Scales During the Last Glacial Period".
  • Data from Mann et al. Proceedings of the National Academy of Sciences "Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia".
  • Data from St. George et al. Quaternary Research "Regional tree growth and inferred summer climate in the Winnipeg River basin, Canada since AD 1783".
  • Data from Lüthi et al. Nature "High-resolution carbon dioxide concentration record 650,000-800,000 years before present".
  • Data from Loulergue et al. Nature "Orbital and millennial-scale features of atmospheric CH4 over the past 800,000 years".
  • Data from Power et al. Climate Dynamics "Changes in fire regimes since the Last Glacial Maximum: an assessment based on a global synthesis and analysis of charcoal data".
  • Data from Lambert et al. Nature "Dust-climate couplings over the past 800,000 years from the EPICA Dome C ice core".
  • Data from Jansen et al. IPCC Fourth Assessment, Working Group 1 "Chapter 6, Palaeoclimate".
  • Data from Casty et al. Climate Dynamics "A European pattern climatology 1766-2000".
  • Data from Swetnam and Anderson eds. International Journal of Wildland Fire
  • Data from Meier et al. Geophysical Research Letters "Grape harvest dates as a proxy for Swiss April to August temperature reconstructions back to AD 1480".

What's New for 2007:
  • Data from Stott et al. Science "Southern Hemisphere and Deep-Sea Warming Led Deglacial Atmospheric CO2 Rise and Tropical Warming".
  • Data from Jouzel et al. Science "Orbital and Millennial Antarctic Climate Variability over the Past 800,000 Years"
  • Data from Partin et al. Nature "Millennial-scale trends in west Pacific warm pool hydrology since the Last Glacial Maximum"
  • Data from Wilson et al. Journal of Geophysical Research - Atmospheres "A matter of divergence: Tracking recent warming at hemispheric scales using tree ring data"
  • Data from Kawamura et al. Nature "Northern Hemisphere forcing of climatic cycles in Antarctica over the past 360,000 years"
  • Data from Donnelly and Woodruff Nature "Intense hurricane activity over the past 5,000 years controlled by El Niño and the West African monsoon"
  • Data from Weldeab et al. Science "155,000 Years of West African Monsoon and Ocean Thermal Evolution"
  • Data from Nyberg et al. Nature "Low Atlantic hurricane activity in the 1970s and 1980s compared to the past 270 years"
  • Data from Pauling et al. Climate Dynamics "Five hundred years of gridded high-resolution precipitation reconstructions over Europe and the connection to large-scale circulation"
  • Data from Meko et al. Geophysical Research Letters "Medieval drought in the upper Colorado River Basin"
  • Data from Newton et al. Geophysical Research Letters "Climate and hydrographic variability in the Indo-Pacific Warm Pool during the last millennium"
  • Data from Leavitt et al. EOS " Tree-ring carbon isotope data and drought maps for the U.S. Southwest"
  • Data from Yancheva et al. Nature "Influence of the intertropical convergence zone on the East Asian monsoon"
  • Data from Williams et al. American Association of Stratigraphic Palynologists "Atlas of Pollen-Vegetation-Climate Relationships for the United States and Canada"
  • Data from Viau et al. Journal of Geophysical Research "Millennial-scale temperature variations in North America during the Holocene"

What's New for 2006:
  • Data from Cheng et al. Geology "A penultimate glacial monsoon record from Hulu Cave and two-phase glacial terminations".
  • Data from Schmidt et al. Nature Rapid subtropical North Atlantic salinity oscillations across Dansgaard-Oeschger cycles".
  • Data from Wilson et al. Journal of Geophysical Research - Oceans "Two-hundred-fifty years of reconstructed and modeled tropical temperatures".
  • Data from D'Arrigo et al. Journal of Geophysical Research - Atmospheres "On the long-term context for late twentieth century warming".
  • Data from Schaefer et al. Science "Ice Record of δ13C for Atmospheric CH4 Across the Younger Dryas-Preboreal Transition".
  • Data from Huybers Science "Early Pleistocene Glacial Cycles and the Integrated Summer Insolation Forcing".
  • Data from Smith et al. International Journal of Climatology "Reconstructing hemispheric-scale climates from multiple stalagmite records".
  • Data from Ellison et al. Science "Surface and Deep Ocean Interactions During the Cold Climate Event 8200 Years Ago".
  • Data from Luterbacher et al. Science "European Seasonal and Annual Temperature Variability, Trends, and Extremes Since 1500".
  • Data from Xoplaki et al. Geophysical Research Letters "European spring and autumn temperature variability and change of extremes over the last half millennium".
  • Data from Woodhouse et al. Water Resources Research "Updated Streamflow Reconstructions for the Upper Colorado River Basin".
  • Data from Lawrence et al. Science "Evolution of the Eastern Tropical Pacific Through Plio-Pleistocene Glaciation".
  • Data from Davi et al. Journal of Climate "Extension of Drought Records for Central Asia Using Tree Rings: West-Central Mongolia".
  • Data from Wolff et al. Nature "Southern Ocean sea-ice extent, productivity and iron flux over the past eight glacial cycles".
  • Data from Osborn and Briffa Science "The Spatial Extent of 20th-Century Warmth in the Context of the Past 1200 Years".
  • Data from Pederson et al. Earth Interactions "Long-Duration Drought Variability and Impacts on Ecosystem Services: A Case Study from Glacier National Park, Montana".

What's New for 2005:
  • Data from Spahni et al. Science, "Atmospheric methane and nitrous oxide of the late Pleistocene from Antarctic ice cores."
  • Data from Siegenthaler et al. Science, "Stable Carbon Cycle-Climate Relationship During the Late Pleistocene"
  • Data from Kaiser et al., Paleoceanography , "A 70-kyr sea surface temperature record off southern Chile (Ocean Drilling Program Site 1233)"
  • Data from Casty et al., International Journal of Climatology , "Temperature and Precipitation Variability in the European Alps Since 1500."
  • Data from Pelejero et al., Science, "Preindustrial to modern interdecadal variability in coral reef pH."
  • Data from Salzer and Kipfmueller , Climatic Change , "Reconstructed Temperature and Precipitation on a Millennial Timescale from Tree-Rings in the Southern Colorado Plateau, U.S.A. "
  • Data from Oerlemans, Science, "Extracting a Climate Signal from 169 Glacier Records."
  • Data from Tripati et al., Nature, "Eocene bipolar glaciation associated with global carbon cycle changes."
  • Data from Mangini et al., Earth and Planetary Science Letters , "Reconstruction of temperature in the Central Alps during the past 2000 yr from a δ18O stalagmite record."
  • Data from Cruz et al., Nature, "Insolation-driven changes in atmospheric circulation over the past 116,000 years in subtropical Brazil"
  • Data from Moberg et al., Nature, "Highly variable Northern Hemisphere temperatures reconstructed from low- and high-resolution proxy data"
  • Data from Liu and Herbert Nature, "High-latitude influence on the eastern equatorial Pacific climate in the early Pleistocene epoch"
  • Data from Solanki et al. Nature, "An unusually active Sun during recent decades compared to the previous 11,000 years. "
  • Data from de Garidel-Thoron et al. Nature, "Stable sea surface temperatures in the western Pacific warm pool over the past 1.75 million years "
  • Data from Chuine et al. Nature, "Grape ripening as a past climate indicator"
  • Data from lamy et al. Science, "Antarctic Timing of Surface Water Changes off Chile and Patagonian Ice Sheet Response."

What's New for 2004:
  • Data from Jones and Mann Reviews of Geophysics , "Climate Over Past Millennia."
  • Data from Huang, Geophysical Research Letters , "Merging Information from Different Resources for New Insights into Climate Change in the Past and Future"
  • Data from Cook et al., Science, "Long-Term Aridity Changes in the Western United States"
  • Data from North Greenland Ice Core Project members, Nature, "High-resolution record of Northern Hemisphere climate extending into the last interglacial period"
  • Data from Stott et al., Nature, "Decline of surface temperature and salinity in the western tropical Pacific Ocean in the Holocene epoch."
  • Data from EPICA Community Members, Nature , "Eight glacial cycles from an Antarctic ice core"
  • A Paleo Perspective on Abrupt Climate Change
  • Data from Felis et al., Nature, "Increased seasonality in Middle East temperatures during the last interglacial period. "
  • Data from Yuan et al., Science, "Timing, Duration, and Transitions of the Last Interglacial Asian Monsoon."
  • Data from Schmidt et al., Nature, "Links between salinity variation in the Caribbean and North Atlantic thermohaline circulation "
  • Data from Hughen et al., Science, "14C Activity and Global Carbon Cycle Changes over the Past 50,000 Years"
  • Data from Flückiger et al., Global Biogeochemical Cycles , "N2O and CH4 variations during the last glacial epoch: Insight into global processes "
  • Data from Genty et al., Nature, "Precise dating of Dansgaard-Oeschger climate oscillations in western Europe from stalagmite data "

What's New for 2003:
  • Data from Ge et al., Holocene, "Winter half-year temperature reconstruction for the middle and lower reaches of the Yellow River and Yangtze River, China, during the past 2000 years."
  • Data from Williams et al., Ecological Monographs , "Late Quaternary vegetation dynamics in North America: scaling from taxa to biomes"
  • Spanish Version of Paleo Perspectives and Educational Outreach
  • Data from Booth and Jackson, Holocene, "A high-resolution record of late-Holocene moisture variability from a Michigan raised bog, USA"
  • Data from Lea et al., Science, "Synchroneity of Tropical and High-Latitude Atlantic Temperatures over the Last Glacial Termination"
  • International Multiproxy Paleofire Database
  • Data from Bar-Matthews et al., Geochimica et Cosmochimica Acta , "Sea-land oxygen isotopic relationships from planktonic foraminifera and speleothems in the Eastern Mediterranean region and their implication for paleorainfall during interglacial intervals"
  • Data from Pahnke et al., Science , "340,000-Year Centennial-Scale Marine Record of Southern Hemisphere Climatic Oscillation"
  • Data from Mann and Jones, Geophysical Research Letters , "Global Surface Temperatures over the Past Two Millennia"
  • Data from Tan et al., Geophysical Research Letters , "Cyclic rapid warming on centennial-scale revealed by a 2650-year stalagmite record of warm season temperature"
  • Data from Ammann et al., Geophysical Research Letters , "A monthly and latitudinally varying volcanic forcing dataset in simulations of 20th century climate"
  • Data from Cobb et al., Nature, "El Niño/Southern Oscillation and tropical Pacific climate during the last millennium"
  • Data from D'Arrigo et al., Geophysical Research Letters , "Tree-ring reconstructions of temperature and sea-level pressure variability associated with the warm-season Arctic Oscillation since AD 1650"
  • Data from Graumlich et al., Climatic Change , "Upper Yellowstone River Flow and Teleconnections with Pacific Basin Climate Variability during the Past Three Centuries"
  • Data from Touchan et al., International Journal of Climatology , "Preliminary reconstructions of spring precipitation in southwestern Turkey from tree-ring width"
  • Data from Cook et al., International Journal of Climatology , "Dendroclimatic Signals in Long Tree-Ring Chronologies from the Himalayas of Nepal"
  • Data from Friddell et al., Geophysical Research Letters , "Increased northeast Pacific climatic variability during the warm middle Holocene"
  • Data from Hantemirov and Shiyatov, Holocene , "A continuous multimillennial ring-width chronology in Yamal, northwestern Siberia"
  • Data from McCulloch et al., Nature, "Coral record of increased sediment flux to the inner Great Barrier Reef since European settlement"
  • Data from Mann et al., Journal of Geophysical Research -Atmospheres , "Optimal Surface Temperature Reconstructions Using Terrestrial Borehole Data"
  • The Climate TimeLine Information Tool

What's New for 2002:
  • Data from Woodhouse et al., Bulletin of the American Meteorological Society , "Drought in the Western Great Plains, 1845-56: Impacts and Implications"
  • Data from Ni et al., International Journal of Climatology, "Cool-season precipitation in the southwestern USA since AD 1000: comparison of linear and nonlinear techniques for reconstruction"
  • Data from Moore et al., Nature, "Climate change in the North Pacific region over the past three centuries"
  • Data from Noren et al., Nature , "Millennial-scale Storminess Variability in the Northeastern United States during the Holocene Epoch"
  • Data from Moy et al., Nature , "Variability of El Niño/Southern Oscillation activity at millennial timescales during the Holocene epoch"
  • Data from Thompson et al., Science , "Kilimanjaro Ice Core Records: Evidence of Holocene Climate Change in Tropical Africa"
  • Data from Yang et al., Geophysical Research Letters, "General characteristics of temperature variation in China during the last two millennia."
  • New WDC-Paleo Mirror Sites in China and India
  • Data from St. George and Nielsen, Quaternary Research , "Hydroclimatic change in southern Manitoba since A.D. 1409 inferred from tree rings."
  • Data from Cook et al., Journal of Climate , "A Well-Verified, Multiproxy Reconstruction of the Winter North Atlantic Oscillation Index since A.D. 1400"
  • Data from Benson et al., Quaternary Science Reviews , "Holocene multidecadal and multicentennial droughts affecting Northern California and Nevada"
  • Data from Anderson et al., Science , "Increase in the Asian SW Monsoon During the Past Four Centuries"
  • Data from Lloyd and Fastie, Climatic Change , "Spatial and temporal variability in the growth and climate response of treeline trees in Alaska"
  • Data from Lamy et al., Paleoceanography , "High- and low-latitude climate control on the position of the southern Peru-Chile Current during the Holocene."
  • Data from Viau and Gajewski, Journal of Geophysical Research-Atmosphere , "Holocene variations in the global hydrological cycle quantified by objective gridding of lake level databases"
  • Data from Schuster et al., Environmental Science and Technology , "Atmospheric Mercury Deposition during the Last 270 Years: A Glacial Ice Core Record of Natural and Anthropogenic Sources"
  • New Additions to the Software Library: PALYHELP and Arand.
  • Data from Flückiger et al., Global Biogeochemical Cycles , "High-resolution Holocene N2O ice core record and its relationship with CH4 and CO2"
  • Data from Jones et al., Science , "The Evolution of Climate Over the Last Millennium"
  • Data from Luterbacher et al., Atmospheric Science Letters, "Extending North Atlantic Oscillation reconstructions back to 1500"
  • Data from Briffa et al., Journal of Geophysical Research, "Low-frequency Temperature Variations from a Northern Tree Ring Density Network"
  • Data from Andrus et al., Science , "Otolith δ18O Record of Mid-Holocene Sea Surface Temperatures in Peru"
  • Data from Hendy et al., Science , "Abrupt Decrease in Tropical Pacific Sea Surface Salinity at End of Little Ice Age"
  • Data from Garcia et al., Bulletin of the American Meteorological Society, "Atmospheric Circulation Changes in the Tropical Pacific Inferred from the Voyages of the Manila Galleons in the Sixteenth - Eighteenth Centuries"

What's New for 2001:
  • Data from Luterbacher et al., Climate Dynamics, "Reconstruction of Sea Level Pressure fields over the eastern North Atlantic and Europe back to 1500 "
  • Data from Glueck and Stockton, International Journal of Climatology, "Reconstruction of the North Atlantic Oscillation, 1429-1983 "
  • Data from Tudhope et al. Science, "Variability in the El Niño-Southern Oscillation Through a Glacial-Interglacial Cycle "
  • Global Database of Borehole Temperatures and Climate Reconstructions
  • Data from Robertson et al. Journal of Geophysical Research , "Hypothesized Climate Forcing Time Series for the Last 500 Years "
  • Data from Herbert et al. Science , "Collapse of the California Current During Glacial Maxima Linked to Climate Change on Land "
  • Paleotempestology Resource Center
  • Data from Bonnefille and Chalié Global and Planetary Change , "Pollen-inferred precipitation time-series from equatorial mountains, Africa, the last 40 kyr BP. "
  • Data from Pederson et al., Journal of Climate , "Hydrometeorological Reconstructions for Northeastern Mongolia Derived from Tree Rings: AD 1651-1995 "
  • Australian Institute of Marine Science Great Barrier Reef Coral Data
  • WSL-Birmensdorf Global Tree Ring Data Network
  • New data from the North American Plant Macrofossil Database
  • Data from Thompson et al., Science , "A 25,000 year tropical climate history from Bolivian ice cores "
  • Data from Thompson et al., Science , "Late Glacial Stage and Holocene tropical ice core records from Huascarán, Peru. "
  • Data from Monnin et al., Science , "Atmospheric CO2 concentrations over the last glacial termination "
  • Data from Blunier and Brook , Science , "Timing of millennial-scale climate change in Antarctica and Greenland during the last glacial period "
  • Data from Biondi et al. , Journal of Climate , "North Pacific Decadal Climate Variability Since AD 1661 "

What's New for 2000:
  • Data from Hughen et al, Science, "Synchronous Radiocarbon and Climate Shifts During the Last Deglaciation"
  • Data from Felis et al, Paleoceanography, "A coral oxygen isotope record from the northern Red Sea documenting NAO, ENSO, and North Pacific teleconnections on Middle East climate variability since the year 1750. "
  • Data from Mann et al. Earth Interactions, "Global Temperature Patterns in Past Centuries: An Interactive Presentation"
  • Data from Linsley et al., Science , "Decadal Sea Surface Temperature Variability in the Sub-Tropical South Pacific from 1726 to 1997 A.D."
  • Data from Urban et al., Nature , "Influence of mean climate change on climate variability from a 155-year tropical Pacific coral record."
  • North American Drought: A Paleo Perspective
  • Data from Crowley Science , "Causes of Climate Change Over the Past 1000 Years"
  • Data from Rittenour et al., Science , "El Niño-like Climate Teleconnections in New England During the Late Pleistocene"
  • Data from Indermühle et al., Geophysical Research Letters , "Atmospheric CO2 Concentration from 60 to 20 Kyr BP from the Taylor Dome Ice Core, Antarctica"
  • Data from Verschuren et al., Nature , "Rainfall and drought in equatorial east Africa during the past 1,100 years"
  • Data from Fischer et al., Science , "Ice Core Records of Atmospheric CO2 Around the Last Three Glacial Terminations"
  • Data from Smith et al., Nature , "Dual Modes of the Carbon Cycle Since the Last Glacial Maximum"

What's New for 1999:
  • Data from Flückiger et al, Science, "Variations in Atmospheric N2O Concentration During Abrupt Climatic Changes"
  • Data from Indermühle et al, Nature, "Holocene Carbon-cycle Dynamics Based on CO2 Trapped in Ice at Taylor Dome, Antarctica"
  • Data from Mann, Bradley, & Hughes, Geophysical Research Letters, "Northern Hemisphere Temperatures During the Past Millennium: Inferences, Uncertainties, and Limitations"
  • A Paleo Perspective... on Global Warming
  • Data from Woodhouse and Overpeck, Bulletin of the American Meteorological Society , "2000 Years of Drought Variability in the Central United States"
What's New for 1998:
  • Data from T. Blunier et al, Nature, "Asynchrony of Antarctic and Greenland Climate Change During the Last Glacial Period"
  • Data from Hughen et al, Radiocarbon 39, "A New 14C Calibration Data Set for the Last Deglaciation"
  • Data from Briffa, Jones, Schweingruber & Osborn, Nature, "Volcanic Eruptions & N. Hemisphere Summer Temperature"
  • Data from Mann, Bradley, & Hughes, Nature, "Global Six Century Temperature Patterns"
  • The Greenland Summit Ice Cores CD-ROM is online!
  • Data from Stahle, et al, Science , "The Lost Colony and Jamestown Droughts"
What's New for 1997:
  • Overpeck, et al, Science.
    "Arctic Environmental Change of the Last 4 Centuries
  • The NOAA NESDIS Drought Variability WWW pages, online
  • Version 1.1 of Analyseries - Time Series Analysis
  • Report on the PAGES/Clivar Intersection
  • Introducing: Educational Outreach, NOAA Paleo Program
  • IGBP - Data Information System, WWW pages, online
What's New for 1996:
  • The PALE Search Engine
  • Documents from NOAA Paleoclimatology and PAGES are now available on the Web and via FTP
  • Contribution Series for paleoclimatic data
  • Search Engine for Paleocean Data
  • Education Slide Project - Two New Sets: Polar Ice Cores and Rock Varnish
  • Pollen Data: Mirror site in Europe at Medias France
  • International Tree Ring Data Bank and Display Software
  • Site Inventory of Latin American Pollen Database
What's New for 1995:
  • PaleoVu (vers. 1.1) - NOAA Paleoclimatology's browse and visualization tool for paleoclimate data is now available for Microsoft Windows and Macintosh
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