Web 2.0 collaborations address uncertainty in climate reconstructions of the past millennium |
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Authors: | David Morrill Anderson Bruce A Bauer Charles R Buckner Edward Gille Wendy S Gross Michael Hartman Carrie Morrill Anju M Shah Eugene R Wahl |
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Institution: | (1) NOAA Paleoclimatology, NOAA’s National Climatic Data Center, Boulder, CO, USA |
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Abstract: | Reducing uncertainty in global temperature reconstructions of the past millennium remains the key issue in applying this record
to society’s pressing climate change problem. Reconstructions are collaborative, built on the research of hundreds of scientists
who apply their diverse scientific expertise and field and laboratory skill to create the individual proxy reconstructions
that underlie the multi-proxy, global average temperature time series. Web 2.0 features have enabled collaborative efforts
that improve the characterization of uncertainty. Raw data shared via a repository (the World Data Center for Paleoclimatology)
enable new reconstructions from the collection of user-generated data. Standards propagated by expert communities facilitate
quality control and interoperability. Open access to data and computer code promote transparency and make the science accessible
to a broader audience. Blogs, wikis, and listservs share background information and highlight contentious as well as unique
aspects of paleo science. A novel approach now underway, titled the Paleoclimate Reconstruction Challenge, and based on the
sharing of simulated data (pseudo-proxies) and reconstruction results, seeks to facilitate method development, further reducing
uncertainty. Broadly-useful aspects of the Challenge may find application in other fields. |
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