Water-level, wind-wave, and suspended-sediment concentration (SSC) time-series data from Little Holland Tract (station HWA), Sacramento-San Joaquin Delta, California, 2015 (ver. 2.0, September, 2019)

Dates

Publication Date: 2016-12-21
Start Date: 2015-08-04
End Date: 2015-12-11
Revision: 2019-09-16

Citation

Lacy, J.R., Carlson, E.M., and Ferreira, J.C.T., 2016, Wind-wave and sediment-transport time-series data from Liberty Island and Little Holland Tract, Sacramento-San Joaquin Delta, California, 2015-2017 (ver. 2.0, September 2019): U.S. Geological Survey data release, https://doi.org/10.5066/F73R0R07.

Summary

Water depth and turbidity time-series data were collected in Little Holland Tract (LHT) in 2015. Depth (from pressure) was measured in high-frequency (6 or 8 Hz) bursts. Burst means represent tidal stage, and burst data can be used to determine wave height and period. The turbidity sensors were calibrated to suspended-sediment concentration measured in water samples collected on site. The calibration and fit parameters for all of the turbidity sensors used in the study are tabulated and provided with the data. Data were sequentially added to this data release as they were collected and post-processed. Typically, each zip folder for a deployment period contains one file from an optical backscatter sensor and two files of data from [...]

Summary

Water depth and turbidity time-series data were collected in Little Holland Tract (LHT) in 2015. Depth (from pressure) was measured in high-frequency (6 or 8 Hz) bursts. Burst means represent tidal stage, and burst data can be used to determine wave height and period. The turbidity sensors were calibrated to suspended-sediment concentration measured in water samples collected on site. The calibration and fit parameters for all of the turbidity sensors used in the study are tabulated and provided with the data. Data were sequentially added to this data release as they were collected and post-processed.

Typically, each zip folder for a deployment period contains one file from an optical backscatter sensor and two files of data from a bursting pressure sensor.
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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.

Table 1: Deployment dates for all stations

	HWA	HVB	HWC	HVD	HVE	LWA	LVB	WVA
DL115: Aug. 4, 2015 – Oct. 7, 2015	X	X				X	X
DL215: Oct. 8, 2015 – Dec. 7, 2015	X	X				X	X
DL315: Dec. 7, 2015 – Feb. 4, 2016		X	X			X	X
DL415: Feb. 4, 2016 – Apr. 12, 2016		X	X			X	X
DL516: Apr. 12, 2016 – Jun. 8, 2016		X	X			X	X
DL616: Jun. 8, 2016 – Aug. 9, 2016		X	X			X	X
DL716: Aug. 9, 2016 – Oct. 12, 2016		X	X	X		X
DL816: Oct. 12, 2016 – Dec. 7, 2016		X	X	X	X	X
DL916: Dec. 7, 2016 – Jan. 30, 2017		X	X			X	X
DL107: Jan. 30, 2017 – Mar. 30, 2017		X	X			X	X
DL117: Mar. 30, 2017 – May 31, 2017		X	X			X
DL127: May 31,2017 – Jul. 28, 2017		X	X			X		X
DL137: Jul. 28, 2017 – Oct. 3, 2017		X	X			X		X

Table 2a: OBS calibration parameters for turbidity sensors recorded on Nortek loggers
	slope	y_cross	R2	n
SN11843	64.368	5.4793	0.85636	11
SN11772	85.439	0.44228	0.96735	13
SN12141	54.925	4.4359	0.93726	18
SN11771	57.911	5.3504	0.84066	11
SN11844	62.997	3.7569	0.98157	11

Table 2b: OBS calibration parameters for turbidity sensors recorded on RBR loggers
	slope	y_cross	R2	n
SN054072	0.83289	0.70993	0.90069	11
SN054078	1.0167	1.4944	0.99742	8
SN054127	0.77012	2.5996	0.83213	11
SN054128	1.1981	-1.3251	0.99042	12

Contacts

Point of Contact :: PCMSC Science Data Coordinator
Originator :: Jessica R Lacy, Emily Carlson, Joanne C. T Ferreira
Publisher :: U.S. Geological Survey
SDC Data Owner :: Pacific Coastal and Marine Science Center
Data Owner :: Coastal and Marine Hazards and Resources Program
USGS Mission Area :: Natural Hazards
Distributor :: U.S. Geological Survey - ScienceBase

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DEL15_HWA_metadata.xml Original FGDC Metadata	View	22.7 KB	application/fgdc+xml
DL215HWA.zip		70.32 MB	application/zip
2018_locus_map.png		510.34 KB	image/png
DL115HWA.zip		78.55 MB	application/zip

Related External Resources

Type: Browse Image

Map of Liberty Island and Little Holland Tract in the Sacramento-San Joaquin Delta showing locations of sampling stations.	https://www.sciencebase.gov/catalog/file/get/5b982933e4b0702d0e8425a5?name=2018_locus_map.png&allowOpen=true

Purpose

These data will be used to determine the range of turbidity and suspended-sediment concentration (SSC) in Little Holland Tract and the extent to which wind waves contribute to turbidity, to investigate physical attributes of flooded habitats that promote enhanced turbidity, and to evaluate the potential for flooded agricultural tracts to contribute to elevated turbidity in adjacent waters.

Water-level, wind-wave, and suspended-sediment concentration (SSC) time-series data from Little Holland Tract (station HWA), Sacramento-San Joaquin Delta, California, 2015 (ver. 2.0, September, 2019)

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