Dear Colleague,

Special Issue: *Physics-driven data mining in climate change and weather extremes*
Journal: *Nonlinear Processes in Geophysics*
Publishers: European Geophysical Union (EGU) and American Geophysical Union (AGU)
*Submission Deadline: December 10, 2013*

We have obtained approval for the publication of a Special Issue in the journal "Nonlinear Processes in Geophysics" (NPG) (http://www.nonlin-processes-geophys.net/volumes_and_issues.htm) "Physics-driven data mining in climate change and weather extremes" and we would request a contribution from you.

New methods and algorithms in data mining, broadly construed to include computational statistics, signal processing, information theory, machine learning, network science, nonlinear dynamics, and database mining, are motivated in climate change and weather extremes owing to (a) the massive volume and complexity of the data, (b) strengths and limitations of our physical understanding and of physics-based computer models, (c) multivariate dependence in space-time, including long memory processes and long-range spatial dependence, (d) the presence of colored and even 1/f noise, along with chaos and nonlinear dynamics, and (e) the growing importance of extreme values and rare events. However, data mining may lead to spurious insights unless appropriate precautions are taken, and may even generate misleading results when complex dependence predominates and if processes are chaotic. Under "non-stationary" or changing conditions, confidence in data mining approaches alone may be limited even further. Incorporating physics in data mining algorithms and methods can help in the interpretability of results, lead to better generalization, and produce meaningful insights.

The special issue encourages papers in physics-guided data mining, where the physics may be incorporated within the data-driven models through, for example, variable selection, learning of data-driven or network models, effective pre- or post-processing, interpretability, and explain-ability. The papers accepted in this special issue may be broad in scope. However, the new methods, methodological adaptations, or novel applications, in climate change and weather extremes, must have a clear component where the physics either helps formulate or drive the data mining approach and/or enables in the generalization and interpretability of the corresponding results.

The focus of the special issue will be on physics-guided mining of weather and climate data, where the data may be obtained from in-situ and remote sensing observations, paleoclimate reconstructions, reanalysis products, and numerical simulations from physics-based weather and climate models. The novelty may be in approaches for physics-guided climate or weather data mining and/or in the nature of the insights obtained in climate change and/or weather extremes, such as heat waves, cold snaps, heavy precipitation, floods, droughts, tropical and extratropical cyclones, tornadoes, and storm surges, as well as climate variability and change on interannual to glacial-interglacial timescales, both historical and projected. In addition to mining of temporal, spatial, and spatiotemporal data relevant for gaining novel insights in climate change and/or weather extremes, statistical downscaling, data assimilation, large-scale optimization, and stochastic differential equation based methods may be considered as long as there are clear innovations in computational data sciences and in strong coupling of process physics and data-driven methods.

If you are interested in preparing an article for the special issue, we would appreciate if you could let us know in advance. You can do so by replying to this message. The submission deadline for articles in this special issue is December 10, 2013. Please feel free to forward this information to colleagues who may be interested.

"Nonlinear Processes in Geophysics" is a joint publication of the European Geosciences Union (http://www.egu.eu/) and the American Geophysical Union (http://www.agu.org/). NPG operates under the Open Access model, which means that articles published there are freely available, contributing to a maximum of diffusion. The current (2008) 5-year journal impact factor of NPG is 1.59. The Open Access model also implies that there are publication charges (http://www.nonlinear-processes-in-geophysics.net/submission/service_charges.html) although there are schemes to help authors from developing countries unable to meet these charges. There are also fee waivers for those papers that have first authors from (a) Research Units of the Max Planck Society, (b) Research Units of CNRS INSU & (c) Institutes of the Georg-August-University Göttingen. See http://www.nonlinear-processes-in-geophysics.net/general_information/financial_support_for_authors.html

Sincerely,
Guest Editors of the Special Issue
On "Physics-driven data mining in climate change and weather extremes"
in Nonlinear Processes in Geophysics published by the EGU and AGU

Auroop R. Ganguly, Northeastern University, Boston, MA, USA
Vimal Mishra, Indian Institute of Technology, Gadhinagar, India
David Wang, Northeastern University, Boston, MA, USA,
William Hsieh, University of British Columbia, Vancouver, Canada
Forrest Hoffman, Oak Ridge National Laboratory, Oak Ridge, TN, USA
Vipin Kumar, University of Minnesota, Minneapolis, MN, USA
Juergen Kurths, Potsdam Institute for Climate Impact Research, Postdam, Germany

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Forrest Hoffman                       [email protected]
Oak Ridge National Laboratory         http://www.climatemodeling.org/~forrest
Computational Earth Sciences Group    (865) 576-7680 voice
Building 2040, Room E249, MS 6301     (865) 574-9501 fax
P.O. Box 2008                         Deliveries: One Bethel Valley Road
Oak Ridge TN 37831-6301               35° 55' 23" N   84° 19' 20" W

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