NDLI: Automating Climate Science: Large Ensemble Simulations on the TeraGrid with the GriPhyN Virtual Data System

Content Provider	IEEE Xplore Digital Library
Author	Nefedova, V. Jacob, R. Foster, I. Zhengyu Liu Yun Liu Deelman, E. Mehta, G. Mei-Hui Su Vahi, K.
Copyright Year	2006
Description	Author affiliation: Argonne National Laboratory (Nefedova, V.; Jacob, R.) \|\| Argonne National Laboratory; University of Chicago, USA (Foster, I.) \|\| University of Wisconsin-Madison, USA (Zhengyu Liu; Yun Liu) \|\| University of Southern California, USA (Deelman, E.; Mehta, G.; Mei-Hui Su; Vahi, K.)
Abstract	Ensemble simulations are a promising technique for identifying the signal of atmospheric response to extra-tropical sea surface temperature variability with high statistical significance. The basic idea is to perform multiple simulations from slightly different initial conditions and then to study the average signal of the ensemble. A significant obstacle to performing such ensemble simulations is the bookkeeping required to prepare, execute, and track the progress of hundreds of different computations. We describe an ensemble simulation experiment in which the Fast Ocean Atmosphere Model was run on the U.S. TeraGrid. In this experiment, we used the GriPhyN Virtual Data System to manage our ensemble simulations and their execution on distributed resources, achieving dramatic (order-of-magnitude) reductions in turnaround time relative to previous manual experiments.
Starting Page	32
Ending Page	32
File Size	345356
Page Count	1
File Format	PDF
ISBN	0769527345
DOI	10.1109/E-SCIENCE.2006.261116
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-04
Publisher Place	The Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea surface Automation Atmospheric modeling Computational modeling Computer simulation Laboratories Atmosphere Signal processing Data systems Ocean temperature
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Automating climate science: Large ensemble simulations on the TeraGrid with the GriPhyN Virtual Data System (2006)

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