Included in this report are digital data obtained from the tripods and moorings, the Acoustic Backscatter system (ABS), and hydrographic data.

Tripod/Moorings:

The data format is the EPIC NetCDF standard defined by the NOAA Pacific Marine Environmental Laboratory (PMEL). NetCDF is a very general, self-documenting, machine-transportable data format created and supported by UCAR (www.unidata.ucar.edu/packages/netcdf/). EPIC (www.pmel.noaa.gov/epic/) is a set of standards which allow researchers from different organizations to share oceanographic data without having to translate "foreign" data types into the local vernacular.

NOTE: Depths in the NetCDF file headers differ slightly from those in the Table of instrumentation deployed. Users should use depths reported in Table.

The naming convention for NetCDF data files is as follows:

4801Aspd-a1h_d1.cdf

Basic Sampling Interval, Hourly Averaged,
Low-Passed Data (NetCDF)

Basic Sampling Interval, Hourly Averaged,
Low-Passed Data (Matlab)

Hourly Averaged & Low-Passed Data (ASCII)

Suspended sediment concentrations from time-series sediment sampler

ABS Data

Only data from the 2.5 Mhz sensors are included in this report as this frequency provides the best comprise between sensitivity to the fine sediment and low sediment induced attenuation. 3-frequency inversions for particle size were not performed due to the fine sediment size, which is in the Raleigh scattering regime for all frequencies.

All time stamps are in decimal days referenced to 1/1/2000 0:00:00 GMT and are stored in vectors sync_time_ABS_A or B. Bottom elevations were estimated from the maximum bed echo and are includes as vectors sync_botloc_ABS_A or B. Concentration water estimates (in grams sediment /liter) from the 2.5 Mhz data in 128 range bins (plus one header for 129 points) are in the matrices sync_cal_conc25_ABS_A or B. The distance from the transducer is located in vector zt. A second set of matrices sync_cal_conc25_ABS_A_zref are also included that are referenced to bed elevation as opposed to the distance from the transducer. These were created by shifting the vertical reference using the estimated seafloor location contained in the botloc time series.

Acoustic Backscatter (Matlab - Single File)

Hydrographic Data:

Profiles of conductivity, temperature, depth and other variables were obtained on the RV Oceanus and RV Endeavor cruises. Configuration files for each Seasoft program used to process the data are included in a zip file, along with the batch job to run all individual programs for a particular cast. Also included are the original data files (.dat), the ascii header files (.hdr) containing all processing information, and an ascii output file of the data after having been processed with the steps above; the bottle files for each cast contain the same information as the ascii output files for those depths where Niskin bottles were fired. For each cruise, there is also a matlab file containing all of the data, sorted by cast, with the same columns as described in the header files. For each cast on the RV Endeavor cruise, there is also a data configuration (.con) file used by datcnv to calibrate the data; there is one single configuration file for all casts on the RV Oceanus cruise.

RV Oceanus Cruise:

Map of Cast Locations:

Excel file of suspended sediment concentrations from filtered water samples: oc_sed_and_optical.xls

Zip file containing all program configuration files: oc_process.zip

Data configuration file: OC354.con

Matlab file with all CTD data: oc_ctd_mat.mat

RV Endeavor Cruise:

Map of Cast Locations:

Excel file of suspended sediment concentrations from filtered water samples: Endeavor

Zip file containing all program configuration files: en_process.zip

Data configuration files:
CTD01.con, CTD02.con, CTD03.con, CTD04.con, CTD05.con, CTD06.con, CTD07.con, CTD08.con, CTD09.con, CTD10.con

Matlab file with all CTD data: en_ctd_mat.mat

Time Series Sediment Sampler

Excel file contaiming sediment concentrations from Time Series Sediment Sampler deployed at Site A. See instrumentation for a description of the sampling scheme used in this deployment.