Radar Visualization and Data Exporter Tools to Support Interoperability and the Global Earth Observation System of Systems (GEOSS), from the National Oceanographic and Atmospheric Administration's (NOAA's) National Climatic Data Center (NCDC)
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
In February 2005, 61 countries around the World agreed on a 10 year plan to build open systems for sharing geospatial data and services across different platforms worldwide. This system is known as the Global Earth Observation System of Systems (GEOSS). The objective of GEOSS focuses on easy access to environmental data and interoperability across different systems allowing participating countries to measure the "pulse" of the planet in an effort to advance society. In support of GEOSS goals, NOAA's National Climatic Data Center (NCDC) has developed radar visualization and data exporter tools using Open Source software libraries. The NCDC Interactive Radar Viewer and Data Exporter Toolkit load Weather Surveillance Radar 1988 Doppler (WSR-88D) volume scan (S-band) data, known as Level-II, and derived products, known as Level-III, into an OPEN Geographical Information System (GIS) compliant environment. The application is launched via Java Web Start and runs on the client machine while accessing these data remotely from the NCDC archive or in near real time from other NOAA servers. The Radar Interactive Viewer Toolkit provides custom data overlays, animations and basic queries. The export of images and movies is provided in multiple formats that support the "blending" of radar data with other types of data. The Data Exporter allows for data export in both vector polygon (Shapefile, Well-Known Text) and raster (GeoTIFF, ESRI Grid, VTK, NetCDF, GrADS) formats. NCDC recently decoded Sigmet C-band doppler radar data and plans to implement the functionality to read C-Band radar data into the Radar Viewer/Data Exporter Toolkit. This supports a bilateral agreement between the United States and Canada for data sharing and interoperability. In addition, the NCDC is implementing decoders to read a test bed of distributed X- band radars that are funded through the Collaborative Adaptive Sensing of the Atmosphere (CASA) project. This paper describes in further detail the NCDC Radar Visualization and Data Exporter Tools, and the NCDC hopes to establish collaboration with scientists participating in GEOSS to leverage these tools for interoperable use with other global radar networks.
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© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Climates
- Coasts, oceans, ports, and waterways engineering
- Computer vision and image processing
- Doppler systems
- Engineering fundamentals
- Environmental engineering
- Equipment and machinery
- Geographic information systems
- Geomatics
- Information management
- Measuring instruments
- Meteorology
- Methodology (by type)
- Ocean engineering
- Oceanography
- Radar
- Surveying methods
- Weather forecasting
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