Chapter
Apr 26, 2012
Hydro-NEXRAD Metadata Computation and Use
Authors: Anton Kruger, Witold F. Krajewski, Piotr Domaszczynski, Charles Gunyon, James A. Smith, and A. Allen BradleyAuthor Affiliations
Publication: World Environmental and Water Resources Congress 2007: Restoring Our Natural Habitat
Abstract
Metadata is a integral component of Hydro-NEXRAD, a software system that aims to make rainfall intensity and accumulation products derived from NEXRAD data available to hydrologists and others scientists. Hydro-NEXRAD computes and manages well defined, radar-centric, basin-centric, and point (for selected set of rain gauge locations) metadata. Basic data quality control is incorporated into definition of metadata. Users can very efficiently select data subsets that meet their criteria. Metadata do not have to be very accurate to be extremely useful. However, fast computation is important so that data ingest process are not slowed. In this paper the authors discuss the technical challenges of computing metadata and compare different approaches to address these challenges.
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© 2007 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Anton Kruger
IIHR-Hydroscience & Engineering, The University of Iowa, Iowa City, IA 52242
Witold F. Krajewski
IIHR-Hydroscience & Engineering, The University of Iowa, Iowa City, IA 52242
Piotr Domaszczynski
IIHR-Hydroscience & Engineering, The University of Iowa, Iowa City, IA 52242
Charles Gunyon
IIHR-Hydroscience & Engineering, The University of Iowa, Iowa City, IA 52242
James A. Smith
Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544
A. Allen Bradley
IIHR-Hydroscience & Engineering, The University of Iowa, Iowa City, IA 52242
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