Joanne C.T. Ferreira Samantha C. McGill 20230412 NetCDF files data release doi:10.5066/P972R6AW Pacific Coastal and Marine Science Center Santa Cruz, California U.S. Geological Survey https://doi.org/10.5066/P972R6AW Joanne C.T. Ferreira Jessica R. Lacy Samantha C. McGill Lukas T. WinklerPrins Daniel J. Nowacki Andrew W. Stevens Angela C. Tan 2023 collected data presented in various formats data release doi:10.5066/P9P7I65U Pacific Coastal and Marine Science Center, Santa Cruz, California U.S. Geological Survey https://doi.org/10.5066/P972R6AW Profiles of salinity, temperature, turbidity, and particle size distribution were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center in South San Francisco Bay. Data were collected at depth intervals ranging between 0.5 and 2 m (depending on total water depth); sensors remained at each depth for 1-2 minutes. Each profile was collected from surface to bed, and the near-surface region was sampled again at the end of the profile to check steady-state conditions. Profiles were collected on 4 days: June 22, July 21, and December 3 of 2021, and on January 4, 2022 (UTC). Data files are grouped by season (summer or winter) and by instrument (CTD or LISST). No LISST data were collected in the winter. Users are advised to assess data quality carefully. These data were collected to reveal particle size distributions through the water column, along with vertical suspended sediment concentration, salinity, and temperature variation. These data are intended for researchers, students, policy makers, and the general public. Additional information about the field activity from which these data were derived is available online at: https://cmgds.marine.usgs.gov/fan_info.php?fan=2021-627-FA https://cmgds.marine.usgs.gov/fan_info.php?fan=2021-660-FA Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. 20210622 20220104 Ground condition at time data were collected. Complete None planned -122.1676 -122.1384 37.5896 37.5829 USGS Metadata Identifier USGS:1c87a37b-c122-4dc6-8ff0-ffc6592a3a82 Global Change Master Directory (GCMD) Sediment transport aquatic ecosystems ISO 19115 Topic Category oceans USGS Thesaurus marine water quality field sampling water sampling suspended material (water) Data Categories for Marine Planning Water-Quality Parameters Marine Realms Information Bank (MRIB) keywords field observation water sampling physical oceanography none U.S. Geological Survey USGS Coastal and Marine Hazards and Resources Program CMHRP Pacific Coastal and Marine Science Center PCMSC Geographic Names Information System San Francisco Bay State of California none USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originators of the dataset and in products derived from these data. This information is not intended for navigation purposes. U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator mailing and physical

2885 Mission Street

Santa Cruz CA 95060-5792 US 831-427-4747 pcmsc_data@usgs.gov No formal attribute accuracy tests were conducted. The specified accuracy of the Sequoia Scientific LISST-200X is (volume concentration) 0.1 µl/l resolution; (particle size range) 1.00 – 500 µm in 36 log-spaced classes; (optical transmission): ± 0.1 percent of reading; (temperature): ±0.01 degrees C from -5 to 45 degrees C. The specified accuracy of the RBR Concerto CTD is (Conductivity) ±0.003 mS/cm with typical stability of 0.010 mS/cm per year; (Temperature) ±0.0002 degrees C with typical stability of 0.002 degrees C per year in the range of -5 to 35 degrees C; (Pressure) ±0.05% FS with typical stability of 0.01% FS per year in the range 0 to 50 dbar. Instrument was calibrated in September 2020. No formal logical accuracy tests were conducted. Data fall within expected ranges. Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. Horizontal accuracy derived from GPS instrumentation is less than 5 m. No formal positional accuracy tests were conducted Profiles were collected in south San Francisco Bay using a Sequoia Scientific LISST-200X and an RBR CTD-Tu. 20220104 Data were accumulated into NetCDF files. 20220912 Files were named with a convention that uses a 14-digit alpha-numeric code. The first three characters for this dataset are all 'WTS' or 'WTW' for the experiment name and summer or winter season; the fourth and fifth positions represent the calendar year in which the first data point in the file was taken (21, 2021); the sixth, seventh and eighth characters are an alphanumeric code for the sample type (profiles, PRO). The ninth and tenth characters represent the time index of the profile, starting at 01 for the first profile, and ending at 52 for the last one. The eleventh to twelfth or thirteenth characters are "ls" or "ctd" for the Sequoia Scientific LISST-200X or RBR CTD. Data files are grouped by season (summer or winter) and by instrument (CTD or LISST) into zipped files. 20220912 Data were collected at each site and each depth for 1 minute or more. Refer to self-contained NetCDF files for more location information. 1.0E-5 1.0E-5 Decimal degrees World Geodetic System 1984 (WGS84) WGS84 6378137.0 298.257223563 NetCDF files are self-contained and attribute information may be found in the header of the file itself. The entity and attribute information was generated by the individual and/or agency identified as the originator of the data set. Please review the rest of the metadata record for additional details and information. U.S. Geological Survey - CMGDS mailing and physical

2885 Mission Street

Santa Cruz CA 95060 831-427-4747 pcmsc_data@usgs.gov These data are available in zipped NetCDF format and are accompanied by CSDGM FGDC-compliant metadata. Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. NetCDF netcdf-4Matlab (v 2020a) Data are in NetCDF formats. Downloadable zip file contains NetCDF (.nc) files in zipped files. File download sizes range from 436 kB to 1.2 MB. WinZip or archive utility 1.2 https://doi.org/10.5066/P972R6AW/ Data can be downloaded using the Network_Resource_Name link and then scrolling down to the Environmental Data section. none The downloadable data are available in NetCDF format. These data can be viewed with the NOAA netCDF file viewer, ncBrowse, which can be downloaded from the internet at https://www.pmel.noaa.gov/epic/java/ncBrowse. 20230419 PCMSC Science Data Coordinator U.S. Geological Survey, Pacific Coastal and Marine Science Center mailing and physical

2885 Mission Street

Santa Cruz CA 95060 United States 831-427-4747 pcmsc_data@usgs.gov Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998