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Palace Float Program

AOML has been funded by the National Oceanographic Partnership Program (NOPP) as part of a larger group to develop the infrastructure for the ARGO experiment. Specifically, AOML is to develop the information management methodology for the profiling float experiment. This methodology will take the data from sensor through a real-time quality control to submission onto the GTS for dissemination to the user community. In addition, delayed mode quality control, data accessibility and network evaluation issues will be addressed and procedures developed and implemented. The principle NOAA user for the float data is the climate forecast group of NCEP. AOML is working with NCEP to develop and implement real-time quality control procedures for the profile data. To satisfy a diverse group of users, data must be provided within 12 hours of collection, 24 hours a day, 7 days a week. Automatic quality control procedures are being developed to meet these requirements.

High Density XBT/Autolauncher Program


AOML presently operates a research and developmental High Density XBT/Autolauncher Program utilizing the Voluntary Observing Ship (VOS) Program. Two routes (Mediterranean Sea to Miami, FL and New York, NY to San Juan, Puerto Rico) are sampled four times per year by placing ship riders on board to collect XBT temperature data. The XBT probe observations are collected at closely spaced intervals. To enable the ship riders to conduct their operations continuously for the duration of a cruise, engineers at AOML designed an XBT Autolauncher which allows the XBT probes to be launched automatically at preset times and/or positions. In addition to allowing around the clock operations, by deploying XBT probes off the fan tail we reduce potential XBT probe failures. The mission is to measure the seasonal to inter annual temperature variability in the upper ocean heat content and transport in the center of the subtropical gyre. This effort will improve our ability to predict important climatic fluctuations illustrated by the North Atlantic Oscillation. Plans are to integrate the Autolauncher System with SEAS 2000 to improve positioning via GPS and facilitate the real-time transmission of this data to the GOOS Center.

Thermosalinograph (TSG) Program


The GOOS Center presently operates a developmental TSG Program utilizing the Voluntary Observing Ship (VOS) Program and oceanographic research vessels in cooperation with our French colleagues in Noumea, New Caledonia and Brest, France. Presently there are 15 participating vessels (3 Research and 12 VOS) providing accurate and timely sea surface semperature (SST) and sea surface salinity (SSS). The data collected are transmitted in real-time via the Geostationary Orbiting Environmental Satellite (GOES) system. In 1999 more than 30,000 TSG observations were collected and transmitted. Quality control methods monitor the data stream for such problems as sensor drift, sensor fouling and hardware failure. As the data are monitored each day, problems are identified and quickly resolved using existing satellite communications systems. Delayed mode data are removed from the vessels by participating scientists during normal port calls and are then sent to the GOOS Center for processing, quality control and archiving.

GPS Drifters


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