| Summary: | The accession contains multiple data sets that were collected as part of the Columbia River Estuary Data Development Program (CREDDP). The data were submitted by the Army Corps of Engineers (Portland district). The study was funded by the Pacific Northwest River Basins Commission (PNRBC). Wind data was obtained at six sites. These data include temperature, atmospheric pressure, wind direction, speed and velocity. The data were collected from June 1977 to December 1981. Current Meter data include temperature, conductivity, salinity, current direction, speed and velocity and sigma-T. The data were collected from June 1977 to December 1981. The documentation includes format and program descriptions. Time Series data of tidal height include those collected specifically for CREDDP, also data sets from COE, NOS and USGS. The data were collected from April 1977 to December 1981. The documentation includes format and program descriptions. River Flow data collected from October 1977 to December 1981. The documentation includes format and project descriptions. 458 files containing vertical profiles of salinity, temperature, and the horizontal velocity were obtained from two VCTD (Velocity, Conductivity, Temperature and Depth) probes. The data were collected aboard the THORFINN and U&I in October 1980. This data set includes the following variables: water pressure, temperature, salinity conductivity, sigma-T, current speed, direction and velocity. The documentation includes format and program descriptions. Bathymetry historical data collected from 1952 to 1982 is part of this data set. The following variables are included in the data set: bedform surface area, displaced sediment volume and water depth. The format for this file is described in the documentation. One file of Benthic and Planktonic Diatom data includes the following variable: diatom species composition. the data were collected from April 1980 to October 1981. The documentation includes a description of the program and the data format. Files of Benthic infauna distribution data includes the following variables: infauna count and infauna weight. The data were collected from September 1975 to September 1981. The documentation includes a description of the program and the data format. Epibenthic organism data was collected from March 1980 to July 1981. The following variables are included: temperature, salinity, secchi depth, demersal fish length and round weight, and epibenthic invertebrate count and fish weight, macroinvertebrate length and stomach contents. The format for this file is described in the documentation. Benthic primary productivity data include the following variables: carbon fixation rate, oxygen consumption rate, chlorophyll-A and phaeopigment concentrations, surface and benthic light intensity, salinity and sediment statistics and descriptions. The data were collected from April 1980 to July 1981. The documentation includes a description of the format and the CREDDP program. Benthic chlorophyll-A and phaeopigment concentrations data were collected from April 1980 to August 1981. The documentation includes a description of the program and the data format. Water column primary production data includes the following variables: light attenuation coefficient, light intensity at the surface, and phytoplankton carbon fixation rates. The documentation includes a description of the program and the data format. The data were collected from April 1980 to July 1981. The documentation includes a description of the format and the CREDDP program. Water column phytoplankton biomass and environment data containing the following variables are included in the data set: temperature, salinity, phaeophytin, in vivo fluorescence, nitrate and nitrite, phosphate, silicic acid and chlorophyll A. The data were collected from April 1980 to July 1981. The file format and a description of the program are included in the documentation. The bird data collected from March 1980 to February 1981 containing the following variables are included in the data set: avifauna count and activity, age distribution, sex and activity discrimination. The format for these files are described in the documentation. Plant data collected from April 1980 to August 1981 containing the following variables are included in the data set: above ground dry weight, ash-free dry weight, below ground dry weight and litter bag dry weigth. The format for these files is described in the documentation. Benthic infauna sediment data includes the following variables: sediment grain size distribution and organic content. The data were collected from September 1975 to 1981. The documentation includes a description of the program and the data format. Sediment data collected from April 1980 to April 1981 with following variables are included in the data set: sediment weight by phi-size, sediment composition, shepard and phi-size classes, and the following statistics: trask, inman, folk and ward, and first through fourth moments. Fish data collected from February 1980 to July 1981 with following variables are included in the data set: temperature, salinity, and fish count, weight, density, standing crop, length and stomach contents. The format for these files is described in the documentation. Zooplankton data collected between April 1980 to April 1981. The following variables are included in the data set: temperature, salinity, secchi depth, and zooplankton and ichthyoplankton count. The documentation includes a description of the program and the format.
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