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HPWREN News

March 10, 2006

Southern California Coastal Ocean Observing System (SCCOOS) utilizes HPWREN for long haul data communication links

The Southern California Coastal Ocean Observing System (SCCOOS) aims to synthesize observations into products that will provide a scientific basis for improving evaluation, management and guardianship of the ocean environment and its resources. Support for SCCOOS installations are provided by the California State Coastal Conservancy (www.cocmp.org), NOAA, and other federal, state, local, private, and regional entities in support of an integrated ocean observing system.

antenna
High-Resolution Surface Current Mapping System deployed at Border Field State Park


Surface Currents
Central to this research is the measurement of coastal currents along a wide region of the coast, the backbone of which is the installation of approximately twenty short-range transmit and receive radio antenna systems, and four long-range systems which are used to map ocean surface currents. The Surface Current Mapping technique is also referred to as CODAR (Coastal Ocean Dynamics Applications Radar) and is a type of low powered radio system that operates in the HF band. Velocity maps of surface currents from quality controlled, high resolution (1-2km) and long range (6-10km) Surface Current Mapping Instrumentation provide a foundation to a host of products for furthering ocean understanding, prediction, and research.

Near real-time surface current vector map product from three stations: Point Loma, Border Field State Park, and Coronado Island station locations
Surface current map


Present SCCOOS locations at Point Loma and Coronado Islands are utilizing the HPWREN network to UCSD in order to transmit surface current measurements. This link allows near-realtime measurement, analysis, and public display of regional surface current maps. Stable communication links are key for ensuring up-to-date data products.

In the near future SCCOOS and HPWREN expect to collaborate on an improved connection to the HPWREN backbone. Further plans include a new Long-Range CODAR location on San Clemente Island extending coverage over 70 miles. SCCOOS plans to extend high-resolution coverage throughout the coast of Southern California, lending new opportunities for HPWREN collaboration.

More information can be found at http://www.sccoos.org.

Lisa Hazard
UCSD Scripps Institution of Oceanography


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