This survey is part of a long-term Bonneville Power Administration-funded effort by academic and federal scientists to understand coastal ecosystems and biological and physical processes that may influence recruitment variability of salmon in Pacific Northwest waters. Prior to a potential switch to the R/V Shimada as a long-term platform, we intend to compare catches between vessels (The R/V Shimada and the F/V Frosti) on the continental shelf of Washington. Sampling will occur during the day for 3 days (23-25 May) with surface trawls along pre-specified transects.

We will conduct a regional characterization and monitoring of the physical and biological components of the pelagic ecosystems of Davidson Seamount, within Monterey Bay National Marine Sanctuary (MBNMS). Data will be used to relate the spatial patterns of bird and mammal distribution with prey and oceanographic patterns, and identify resources at risk from human threats. NOAA and other regulatory agencies use this information in management decisions and to protect resources in National Marine Sanctuaries.

1) complete pre-field season acoustic system calibrations, 2) test acoustic-trawl (AT)
survey trawling /oceanographic winches and sampling equipment

<unknown>

<unknown>

<unknown>

The survey utilized 3 Saildrones (SD), two equipped with ADCP (300 kHz) and one with a WBAT mini 38/200 kHz to collect atmospheric and hydrographic data at sea surface, current data in the upper 100 m, and biological backscatter in the upper 1000 m. The study objectives was to collect data along a meridional transect at ~155 W from 18 N to 0 and to target the front between the equatorial cold tongue and the warm pool at the equatorial upwelling retions to study air-sea interactions and backscatter response to environmental conditions.

Stability Array (STAR) are historical tabulations for U.S. stations and a scattering of stations world wide. It provides, at least roughly, the diffusion characteristics for the lowest part of the atmosphere and biosphere. It is an objective method of determining stability from readily available surface meteorological observations utilizing only the variables of ceiling height, total sky cover, and wind direction and speed as input. The methodology employed recognizes that stability near the ground is dependent primarily upon net radiation and wind speed.

WBAN-31 is a form on which the Weather Bureau, Army and Navy recorded weather observations in the upper air as observed by rawinsonde and radiosonde. The collection includes thousands of these Adiabatic Charts, with the physical archive collection beginning primarily in the 1930s and ending in the mid 1990s and represents stations located throughout the world. The major parameters presented are pressure (Mb), height of pressure level, temperature (degrees C), dew point depression (degrees C), wind direction, and wind speed (knots).

The Mariners Weather Log (MWL) is a publication containing articles, news and information about marine weather events and phenomena, worldwide environmental impact concerns, climatology studies, storms at sea, and weather forecasting. The MWL is dedicated to the NWS Voluntary Observing Ship (VOS) Program, Port Meteorological Officers (PMOs), cooperating ships officers, and their vessels. Through the various articles, mariners and other interested individuals are kept abreast of the most current operational uses of marine weather and oceanographic data.