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| | | Monitoring and Observing Systems |
Maintained by IOC
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|  The vastness of the global oceans, the amount of information they contain and their relevance to society qualify them as an international research priority. Furthermore, current issues such as inter alia: global climate change and sea-level rise, marine ecosytem degradation - including the collapse of fisheries around the world and pollution, and the occurrance of extreme events such as tsunamis and El Niño/Southern Oscillation - requires not only a scientific understanding the global oceans and its systems, but also a knowledge of and familiarity with its patterns over time. To meet this need there are numerous international efforts to promote programmes for various monitoring and observing systems, with a global scope, for the world's oceans. Image of recent seismic activity in the Pacific. Courtesy of NOAA.
See More... | | |  Argo floats are deployed to measure sea temperature and salinity and compose part of GCOS, GOOS and GODAE. Argo is an international project to collect information on the upper part of the world's oceans. Currently there are 1500 ocean-traveling float instruments operating. By 2006 there will be 3000 floats producing 100,000 temperature and salinity profiles per year. Applications include: ocean heat storage and climate change; ocean salinity changes due to rainfall; ocean-driven events such as El Niño; impacts of ocean temperature on fisheries and regional ecosystems; interactions between the ocean and monsoons; and how the oceans drive hurricanes and typhoons. | | Photo title: Image of Argo floats | | Photo credit: NOAA | | | | |
 | | | | | | | Title | NOAA Realtime Tsunami Warning Buoy Data
( WEBSITE )
| | Description | As part of the U.S. National Tsunami Hazard Mitigation Program (NTHMP), the Deep Ocean Assessment and Reporting of Tsunamis (DART) Project is an ongoing effort to maintain and improve the capability for the early detection and real-time reporting of tsunamis in the open ocean. Developed by NOAA's Pacific Marine Environmental Laboratory (PMEL) and operated by NOAA's National Data Buoy Center (NDBC), DART is essential to fulfilling NOAA's national responsibility for tsunami hazard mitigation and warnings. Project goals are the: Reduction in the loss of life and property in U.S. coastal communities. Elimination of false alarms which result in high economic costs for unnecessary evacuations. DART stations have been sited in regions with a history of generating destructive tsunamis to ensure early detection of tsunamis and to acquire data critical to real-time forecasts. The 6 buoy operational array was completed in 2001. DART systems consist of an anchored seafloor bottom pressure recorder (BPR) and a companion moored surface buoy for real-time communications (Gonzalez et.al, 1998). An acoustic link transmits data from the BPR on the seafloor to the surface buoy. The data are then relayed via a GOES satellite link to ground stations (Milburn, et al., 1996), which demodulate the signals for immediate dissemination to NOAA's Tsunami Warning Centers, NDBC, and PMEL | | Keywords | TSUNAMI; NDBC; NOAA | |
| Content Language(s) | English | | Web Address (URL) | http://www.ndbc.noaa.gov/dart.shtml | |
| Type of Website | Institutional website | |
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1076 Topics - 5135 Related Knowledge - 2534 Members - 34 Editors |
