Jessie R. Lacy
2017
Water pressure/depth, velocity, and turbidity time-series data from CHC14 Bay channel station in San Pablo Bay and China Camp Marsh, California
NetCDF files
data release
DOI:10.5066/F7HM56MX
Pacific Coastal and Marine Science Center, Santa Cruz, California
U.S. Geological Survey
https://doi.org/10.5066/F7HM56MX
https://www.sciencebase.gov/catalog/item/583f326ee4b04fc80e3bf294
Jessie R. Lacy
Rachel M. Allen
Madeline R. Foster-Martinez
Joanne C. T. Ferreira
Andrea O'Neill
2017
Hydrodynamic and sediment transport data from San Pablo Bay and China Camp marsh (northern San Francisco Bay), 2013-2016
data release
DOI:10.5066/F7HM56MX
Pacific Coastal and Marine Science Center Santa Cruz, California
U.S. Geological Survey
https://doi.org/10.5066/F7HM56MX
Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment times vary.
Data from these experiments will be used to investigate the spatial and temporal variation in suspended sediment transport at the marsh boundary in order to better inform predictions of marsh resilience, and offer more complete characterizations of sediment transport and conditions within this unique environment. From these data, coincident wave height/period can be calculated for use in sediment transport investigations.
Information about the data collection field activities can be found at: http://cmgds.marine.usgs.gov/fan_info.php?fan=2014-678-FA
20141202
20150202
ground condition
As needed
-122.4930
-122.3697
38.0451
38.0060
USGS Metadata Identifier
USGS:583f326ee4b04fc80e3bf294
Global Change Master Directory (GCMD)
WATER DEPTH
WATER PRESSURE
SEDIMENT TRANSPORT
CURRENTS
WATER TEMPERATURE
WAVE HEIGHT
CONDUCTIVITY
SALINITY
TURBIDITY
TIDAL HEIGHT
PRESSURE SENSORS
CURRENT METERS
WAVE HEIGHT GAUGES
CTD
USGS Thesaurus
time series datasets
CTD measurement
marine water quality
ocean waves
Marine Realms Information Bank (MRIB) keywords
wave observations
water level measurements
physical oceanography
None
U.S. Geological Survey
USGS
Coastal and Marine Geology Program
CMGP
Pacific Coastal and Marine Science Center
PCMSC
Suspended-sediment concentration
ISO 19115 Topic Category
inlandWaters
Geographic Names Information System (GNIS)
California
San Pablo Bay
Marin County
China Camp
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 originator(s) of the dataset and in products derived from these data.
U.S. Geological Survey, Pacific Coastal and Marine Science Center
PCMSC Science Data Coordinator
mailing and physical
2885 Mission Street
Santa Cruz
CA
95060
831-427-4747
pcmsc_data@usgs.gov
https://www.sciencebase.gov/catalog/file/get/583f326ee4b04fc80e3bf294?name=CHC14_BaychannelStations.png&allowOpen=true
image showing location of deployment instrument locations for listed area
PNG
No formal attribute accuracy tests were conducted.
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 metadata for each part of this data release carefully for additional details.
Horizontal accuracy derived from GPS instrumentation is less than 1 m.
There are two sources of uncertainty associated with vertical positioning of the instruments: 1) the measuring tools used during instrument mounting, 2) the amount of settling that occurs during deployment. There was no evidence that the platforms settled to a large degree; the sediment tends to be very compacted in the study area, and analysis of distance to bed data did not show gradients over the duration of deployment. The measuring tools used to mount the instruments onto the platforms have a resolution of 1 cm resulting in an uncertainty of 2 cm.
Instruments included in deployment are: RDInstruments Acoustic Doppler Current Profiler, Seabird Electronics SBE16plus CTD, and D&A Instruments OBS3.
20141202
Instruments were retrieved. The data was recovered from the retrieved instruments.
20150202
Data were processed using the instrument manufacturers' software packages. Data were accumulated into NetCDF files. During post-processing, data collected when instruments were out of the water were removed from the time series. Bad data points were identified by 1) the deployment and recovery times, 2) pressure readings equal to or less than 1 m of water, 3) amplitude or correlation values outside of predetermined quality thresholds for the ADCP. Data near the surface with variable side lobe interference were retained.
20170228
Data files were named with a convention that uses a 12- to 13-digit alpha-numeric code; zip files use an abridged eight-digit code. The first three characters for this dataset are for the deployment name (CHC for China Camp measurements including all measurement locations from Bay channel stations to Tidal Creek stations; abridged deployments with measurements taken only at Bay Shallows stations begin with 'SP' followed by A, B, C, or D to denote chronological occurrence). The fourth and fifth positions represent the calendar year in which the first data point in the file was taken (13, 2013; 14, 2014; 15, 2015; 16, 2016). The sixth through eighth positions represent the station identification - see the graphic at https://www.sciencebase.gov/catalog/file/get/58458e82e4b04fc80e5233b3?name=SFBayStationLocations.png (all Bay stations) for location information. Zip files use the informative character codes outlined above for positions 1-8; additional character positions provide instrumentation information for the data files only. The ninth and tenth positions are numbers representing the instrument position on the frame (01, 02 or 03), with 01 as uppermost on the frame. Next is a two- to three-character code for the instrument and data type (adv = Sontek ADV; bpr = RBR bursting pressure sensor; ctd = RBR CTD; obs = optical backscatter; lst = LISST; sct = SeaBird seacat CTD; vec = Nortek ADV; wh = RDI ADCP current data; wv = RDI ADCP wave data). Note that some instruments also include additional external sensors. There are an additional two characters for the instruments that collect data in a bursting pattern to indicate if the burst is included in the file or the statistics of the burst; this indicator is omitted if there is no bursting pattern (-b, burst; -s, statistics). Instruments that collect burst data only record the start time of each burst. The bursting time stamp can be generated from the start time, sampling frequency, and number of samples per burst (retrievable in the NetCDF file).
20170302
Extraneous text was removed from Semi-Major Axis tag.
20191125
Susan A. Cochran
U.S. Geological Survey, Pacific Coastal and Marine Science Center
mailing and physical
2885 Mission St.
Santa Cruz
CA
95060
USA
831-460-7545
scochran@usgs.gov
Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed.
20201019
U.S. Geological Survey
VeeAnn A. Cross
Marine Geologist
Mailing and Physical
384 Woods Hole Road
Woods Hole
MA
02543-1598
508-548-8700 x2251
508-457-2310
vatnipp@usgs.gov
Performed minor edits to the metadata to correct typos. No data were changed
20211013
U.S. Geological Survey
Susan A. Cochran
Geologist
Mailing and Physical
2885 Mission Street
Santa Cruz
CA
95060
831-460-7545
scochran@usgs.gov
Point
Entity point
1
0.001
0.001
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 - ScienceBase
Mailing and Physical
Denver Federal Center, Building 810, Mail Stop 302
Denver
CO
80225
USA
1-888-275-8747
sciencebase@usgs.gov
Downloadable data in NetCDF file format grouped in zip files. Within each zip file, separate NetCDF files are available for each instrument at the deployment location. The zip file and NetCDF file names consist of a multi-element alphanumeric code as defined in the Process Steps.
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
MATLAB R2014b
Zip file contain time-series data in NetCDF format for station CHT the deployment period of 20141202-20150202
zip archive
37.6
https://www.sciencebase.gov/catalog/file/get/583f326ee4b04fc80e3bf294?name=CHC14CHT.zip
Data may be accessed and downloaded via the Internet
None
png
ArcGIS 10.4
PNG shows deployment instrument locations for listed area
PNG shows deployment instrument locations for listed area
1.1
https://www.sciencebase.gov/catalog/file/get/583f326ee4b04fc80e3bf294?name=CHC14_BaychannelStations.png
Data may be accessed and downloaded via the Internet
None
20211013
U.S. Geological Survey, Pacific Coastal and Marine Science Center
PCMSC Science Data Coordinator
mailing and physical
2885 Mission Street
Santa Cruz
CA
95060
831-427-4747
pcmsc_data@usgs.gov
Content Standard for Digital Geospatial Metadata
FGDC-STD-001-1998