Bratkovich Alan W.

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Alan W.

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  • Technical Report
    CODE-1 : moored array and large-scale data report
    (Woods Hole Oceanographic Institution, 1983-08) Beardsley, Robert C. ; Mills, Carol A. ; Rosenfeld, Leslie K. ; Bratkovich, Alan W. ; Erdman, M. Rustin ; Winant, Clinton D. ; Allen, John S. ; Halliwell, George R. ; Brown, Wendell S. ; Irish, James D.
    The Coastal Ocean Dynamics Experiment (CODE) was undertaken to identify and study the important dynamical processes which govern the wind-driven motion of coastal water over the continental shelf. The initial effort in this multi-year, multi-institutional research program was to obtain high-quality data sets of all the relevant physical variables needed to construct accurate kinematic and dynamic descriptions of the response of shelf water to strong wind forcing in the 2 to 10 day band. A series of two small-scale, densely-instrumented field experiments of approximately four months duration (called CODE-1 and CODE-2) were designed to explore and to determine the kinematics and momentum and heat balances of the local wind-driven flow over a region of the northern California shelf which is characterized by both relatively simple bottom topography and large wind stress events in both winter and summer. A more lightly instrumented, long-term, large-scale component was designed to help separate the local wind-driven response in the region of the small-scale experiments from motions generated either offshore by the California Current system or in some distant region along the coast, and also to help determine the seasonal cycles of the atmospheric forcing, water structure, and coastal currents over the northern California shelf. The first small-scale experiment (CODE-1) was conducted between April and August, 1981 as a pilot study in which primary emphasis was placed on characterizing the wind-driven "signal" and the "noise" from which this signal must be extracted. In particular, CODE-1 was designed to identify the key features of the circulation and its variability over the northern California shelf and to determine the important time and length scales of the wind-driven response. This report presents a basic description of the moored array data and some other Eulerian data collected during CODE-1. A brief description of the CODE-1 field program is presented first, followed by a description of the common data analysis procedures used to produce the various data sets presented here. Then basic descriptions of the following data sets are presented: (a) the coastal and moored meteorological measurements, (b) the moored current measurements, (c) the moored temperature and conductivity observations, (d) the bottom pressure measurements, and (e) the wind and adjusted coastal sea level observations obtained as part of the CODE-1 large-scale component.