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   set  data   graph     files  Wind-wave and suspended-sediment data from Liberty Island and Little Holland Tract,
Sacramento-San Joaquin Delta, California (ver. 2.0, September 2019), DL916HVBctd
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DL916HVBctd

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=2,netcdf=4.7.4,hdf5=1.10.6
attribute NC_GLOBAL cdm_data_type String TimeSeries
attribute NC_GLOBAL cdm_timeseries_variables String feature_type_instance, latitude, longitude
attribute NC_GLOBAL clock_error_units String Seconds
attribute NC_GLOBAL Conventions String CF-1.6, ACDD-1.3, COARDS
attribute NC_GLOBAL COORD_SYSTEM String GEOGRAPHIC
attribute NC_GLOBAL creator_name String USGS Coastal and Marine Geology Program
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.usgs.gov/ (external link)
attribute NC_GLOBAL DATA_CMNT String Little Holland Tract (HVB) RBR CTD+
attribute NC_GLOBAL DATA_ORIGIN String USGS PCMSC - Santa Cruz
attribute NC_GLOBAL DATA_SUBTYPE String MOORED
attribute NC_GLOBAL DATA_TYPE String TIME
attribute NC_GLOBAL datasetID String DL916HVBctd
attribute NC_GLOBAL date_created String 2020-07-14T17:57:11.456Z
attribute NC_GLOBAL DELTA_T String 600
attribute NC_GLOBAL Deployment_date String 08-DEC-2016 17:53
attribute NC_GLOBAL Easternmost_Easting double -121.6621
attribute NC_GLOBAL EXPERIMENT String DL916
attribute NC_GLOBAL experiment_id String DL916
attribute NC_GLOBAL featureType String TimeSeries
attribute NC_GLOBAL geospatial_lat_max double 38.29517
attribute NC_GLOBAL geospatial_lat_min double 38.29517
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -121.6621
attribute NC_GLOBAL geospatial_lon_min double -121.6621
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 1.704179
attribute NC_GLOBAL geospatial_vertical_min double 1.704179
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL history String Imported from ScienceBase data release and converted to CF using process_F73R0R07.ipynb;
attribute NC_GLOBAL id String DL916HVBctd
attribute NC_GLOBAL infoUrl String https://doi.org/10.5066/F73R0R07 (external link)
attribute NC_GLOBAL initial_instrument_height double 0.28
attribute NC_GLOBAL INST_NUMBER String DL916HVB
attribute NC_GLOBAL INST_TYPE String RBR CTD+
attribute NC_GLOBAL institution String USGS Coastal and Marine Geology Program
attribute NC_GLOBAL keywords String C_50, california, coastal, conductivity, data, delta, density, depth, dl916hvbctd, earth, Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity, electrical, feature, feature_type_instance, geological, geology, holland, identifier, instance, island, joaquin, latitude, liberty, little, longitude, marine, measurement, ocean, oceanography, oceans, P_1, practical, pressure, program, psu, S_41, sacramento, sacramento-san, salinity, san, science, sea, sea_water_electrical_conductivity, sea_water_practical_salinity, sea_water_pressure, sea_water_temperature, seawater, sediment, sediment transport, sensor, states, survey, suspended, suspended-sediment, T_28, temperature, time, tract, type, unit, united, usgs, water, wave, wind, wind-wave
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL magnetic_variation double 13.59
attribute NC_GLOBAL metadata_link String https://doi.org/10.5066/F73R0R07 (external link)
attribute NC_GLOBAL MOORING String DL916HVB
attribute NC_GLOBAL naming_authority String gov.usgs.cmgp
attribute NC_GLOBAL nominal_sensor_depth double 1.7041793711519633
attribute NC_GLOBAL Northernmost_Northing double 38.29517
attribute NC_GLOBAL platform_type String Tripod
attribute NC_GLOBAL program String Sediment Transport in Coastal Environments
attribute NC_GLOBAL project String CMG_Portal
attribute NC_GLOBAL publisher_url String https://www.usgs.gov/ (external link)
attribute NC_GLOBAL Recovery_date String 30-JAN-2017 19:45
attribute NC_GLOBAL Region String Sacramento-San Joaquin Delta
attribute NC_GLOBAL samp_rate double 600.0
attribute NC_GLOBAL SciPi String Jessica Lacy
attribute NC_GLOBAL serial_number float 48.0, 49.0, 55.0, 48.0, 54.0, 51.0
attribute NC_GLOBAL source String USGS
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 38.29517
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v66
attribute NC_GLOBAL subsetVariables String depth, latitude, longitude, feature_type_instance
attribute NC_GLOBAL summary String Wind-wave and suspended-sediment data from Liberty Island and Little Holland Tract, Sacramento-San Joaquin Delta, California (ver. 2.0, September 2019) - DL916HVBctd. Data were collected by the U.S. Geological Survey (United States Geological Survey (USGS)) Pacific Coastal and Marine Science Center to investigate the influence of wind waves on sediment dynamics in two flooded agricultural tracts in the northern Sacramento-San Joaquin Delta: Little Holland Tract and Liberty Island. This effort is part of a large interdisciplinary study led by the USGS California Water Science Center and funded by the U.S. Bureau of Reclamation to investigate how shallow-water habitats in the Sacramento-San Joaquin Delta function and whether they provide good habitat for native fish species, including the Delta smelt. Elevated turbidity is a requirement for Delta smelt habitat, and turbidity is largely comprised of suspended sediment. Wind waves develop in large open-water regions with large fetch, and can increase turbidity by mobilizing bottom sediments.

Data were collected from several sites in Little Holland Tract (LHT) and Liberty Island (LI), including the Liberty Island Conservation Bank (LICB), from 2015 to 2017. Table 1 (below) lists the deployment name (DLXXX) and dates for each sampling station location. Station names starting with 'H' are in LHT; station names starting with 'L' are in LI, and the station name starting with 'W' is in LICB. At stations with a 'W' as the second character of the station name, we collected water-level, wind-wave, and turbidity time-series data. At stations with a 'V' as the second character of the station name, we collected water-level, wind-wave, and turbidity, as well as velocity time-series data. The turbidity sensors were calibrated to suspended-sediment concentration measured in water samples collected on site (tables 2a,b) for LHT and LI. Details on instrumentation and sampling are included on the individual pages for each station (see links below). Data were sequentially added to this data release as they were retrieved and post-processed.
attribute NC_GLOBAL time_coverage_duration String P53DT1H40M0S
attribute NC_GLOBAL time_coverage_end String 2017-01-30T19:40:00Z
attribute NC_GLOBAL time_coverage_resolution String P0DT0H10M0S
attribute NC_GLOBAL time_coverage_start String 2016-12-08T18:00:00Z
attribute NC_GLOBAL title String Wind-wave and suspended-sediment data from Liberty Island and Little Holland Tract, Sacramento-San Joaquin Delta, California (ver. 2.0, September 2019), DL916HVBctd
attribute NC_GLOBAL tstart float 2016.0, 12.0, 8.0, 18.0, 0.0, 0.0
attribute NC_GLOBAL VAR_DESC String T
attribute NC_GLOBAL WATER_DEPTH double 1.7041793711519633
attribute NC_GLOBAL WATER_DEPTH_datum String MSL
attribute NC_GLOBAL WATER_DEPTH_source String water depth = MSL from pressure sensor
attribute NC_GLOBAL Westernmost_Easting double -121.6621
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.48122E9, 1.4858052E9
attribute time axis String T
attribute time calendar String proleptic_gregorian
attribute time ioos_category String Time
attribute time long_name String time of measurement
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable depth   float  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range float 1.704179, 1.704179
attribute depth axis String Z
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth epic_code int 3
attribute depth FORTRAN_format String F10.2
attribute depth ioos_category String Location
attribute depth long_name String mean water depth
attribute depth positive String down
attribute depth source_name String z
attribute depth standard_name String depth
attribute depth type String EVEN
attribute depth units String m
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 38.29517, 38.29517
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude epic_code int 500
attribute latitude FORTRAN_format String F10.2
attribute latitude ioos_category String Location
attribute latitude long_name String sensor latitude
attribute latitude standard_name String latitude
attribute latitude type String EVEN
attribute latitude units String degrees_north
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -121.6621, -121.6621
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude epic_code int 502
attribute longitude FORTRAN_format String F10.2
attribute longitude ioos_category String Location
attribute longitude long_name String sensor longitude
attribute longitude standard_name String longitude
attribute longitude type String EVEN
attribute longitude units String degrees_east
variable T_28   float  
attribute T_28 _FillValue float 1.0E35
attribute T_28 actual_range float 5.810198, 11.55797
attribute T_28 colorBarMaximum double 32.0
attribute T_28 colorBarMinimum double 0.0
attribute T_28 coverage_content_type String physicalMeasurement
attribute T_28 epic_code int 20
attribute T_28 FORTRAN_format String f10.2
attribute T_28 generic_name String temp
attribute T_28 ioos_category String Temperature
attribute T_28 long_name String TEMPERATURE (C)
attribute T_28 name String T
attribute T_28 sensor_depth float 1.7041794
attribute T_28 serial_number float 48.0, 49.0, 55.0, 48.0, 54.0, 51.0
attribute T_28 standard_name String sea_water_temperature
attribute T_28 units String degree_C
attribute T_28 valid_range float 0.0, 100.0
variable P_1   float  
attribute P_1 _FillValue float 1.0E35
attribute P_1 actual_range float 0.4218864, 3.618016
attribute P_1 colorBarMaximum double 5000.0
attribute P_1 colorBarMinimum double 0.0
attribute P_1 coverage_content_type String physicalMeasurement
attribute P_1 epic_code int 1
attribute P_1 FORTRAN_format String f10.1
attribute P_1 generic_name String depth
attribute P_1 ioos_category String Pressure
attribute P_1 long_name String PRESSURE (DB)
attribute P_1 name String P
attribute P_1 sensor_depth float 1.7041794
attribute P_1 serial_number float 48.0, 49.0, 55.0, 48.0, 54.0, 51.0
attribute P_1 standard_name String sea_water_pressure
attribute P_1 units String dbar
attribute P_1 valid_range float 0.0, 10000.0
variable S_41   float  
attribute S_41 _FillValue float 1.0E35
attribute S_41 actual_range float 0.0298096, 0.2922008
attribute S_41 colorBarMaximum double 37.0
attribute S_41 colorBarMinimum double 32.0
attribute S_41 coverage_content_type String physicalMeasurement
attribute S_41 epic_code int 401
attribute S_41 FORTRAN_format String f10.2
attribute S_41 generic_name String sal
attribute S_41 ioos_category String Salinity
attribute S_41 long_name String SALINITY (PSU)
attribute S_41 name String S
attribute S_41 sensor_depth float 1.7041794
attribute S_41 serial_number float 48.0, 49.0, 55.0, 48.0, 54.0, 51.0
attribute S_41 standard_name String sea_water_practical_salinity
attribute S_41 units String PSU
attribute S_41 valid_range float 0.0, 40.0
variable C_50   float  
attribute C_50 _FillValue float 1.0E35
attribute C_50 actual_range float 0.0429164, 0.4373259
attribute C_50 colorBarMaximum double 40.0
attribute C_50 colorBarMinimum double 30.0
attribute C_50 coverage_content_type String physicalMeasurement
attribute C_50 epic_code int 50
attribute C_50 generic_name String con
attribute C_50 ioos_category String Salinity
attribute C_50 long_name String CONDUCTIVITY
attribute C_50 name String C
attribute C_50 sensor_depth float 1.7041794
attribute C_50 serial_number String 017063
attribute C_50 standard_name String sea_water_electrical_conductivity
attribute C_50 units String mS cm-1
attribute C_50 valid_range float 0.0, 100.0
variable feature_type_instance   String  
attribute feature_type_instance cf_role String timeseries_id
attribute feature_type_instance coverage_content_type String physicalMeasurement
attribute feature_type_instance ioos_category String Identifier
attribute feature_type_instance long_name String Feature Type Instance

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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