CBP_LE1_1

Name: CBP Water Quality Monitoring Subset (1984-2018), LE1 1
Creator: Maria Herrmann
Published: 2021-08-26T18:48:06Z
License: 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.

Grid DAP Data	Sub- set	Table DAP Data	Make A Graph	W M S	Source Data Files	Title	Sum- mary	FGDC, ISO, Metadata	Back- ground Info	RSS	E mail	Institution	Dataset ID
	set	data	graph			CBP Water Quality Monitoring Subset (1984-2018), LE1 1		F I M	background			Penn State	CBP_LE1_1

The Dataset's Variables and Attributes

Row Type	Variable Name	Attribute Name	Data Type	Value
attribute	NC_GLOBAL	acknowledgement	String	CBP data hub (https://www.chesapeakebay.net/what/data) and NOAA OA Program funding: "RVA-OA2017: Vulnerability of the largest U.S. estuary to acidification: Implications of declining pH for shellfish hatcheries in the Chesapeake Bay
attribute	NC_GLOBAL	cdm_data_type	String	TimeSeriesProfile
attribute	NC_GLOBAL	cdm_profile_variables	String	time
attribute	NC_GLOBAL	cdm_timeseries_variables	String	station_id
attribute	NC_GLOBAL	contributor_email	String	marjy at vims.edu
attribute	NC_GLOBAL	contributor_name	String	Marjy Friedrichs
attribute	NC_GLOBAL	contributor_role	String	principalInvestigator
attribute	NC_GLOBAL	contributor_role_vocabulary	String	https://vocab.nerc.ac.uk/collection/G04/current/
attribute	NC_GLOBAL	contributor_url	String	http://www.vims.edu/people/friedrichs_ma/
attribute	NC_GLOBAL	Conventions	String	CF-1.7, ACDD-1.3, IOOS-1.2
attribute	NC_GLOBAL	creator_address	String	405a Walker Building
attribute	NC_GLOBAL	creator_city	String	University Park
attribute	NC_GLOBAL	creator_country	String	USA
attribute	NC_GLOBAL	creator_email	String	mxh367 at psu.edu
attribute	NC_GLOBAL	creator_institution	String	Penn State
attribute	NC_GLOBAL	creator_name	String	Maria Herrmann
attribute	NC_GLOBAL	creator_phone	String	814-865-0478
attribute	NC_GLOBAL	creator_postalcode	String	16802
attribute	NC_GLOBAL	creator_sector	String	academic
attribute	NC_GLOBAL	creator_state	String	PA
attribute	NC_GLOBAL	creator_type	String	person
attribute	NC_GLOBAL	creator_url	String	http://www.met.psu.edu
attribute	NC_GLOBAL	date_created	String	2021-08-26T18:48:06Z
attribute	NC_GLOBAL	date_issued	String	2021-08-26T18:48:06Z
attribute	NC_GLOBAL	date_metadata_modified	String	2021-08-26T18:48:06Z
attribute	NC_GLOBAL	date_modified	String	2021-08-26T18:48:06Z
attribute	NC_GLOBAL	Easternmost_Easting	double	-76.60176
attribute	NC_GLOBAL	featureType	String	TimeSeriesProfile
attribute	NC_GLOBAL	geospatial_bounds	String	POINT(38.42535 -76.60176)
attribute	NC_GLOBAL	geospatial_bounds_crs	String	EPSG:4326
attribute	NC_GLOBAL	geospatial_bounds_vertical_crs	String	EPSG:4297
attribute	NC_GLOBAL	geospatial_lat_max	double	38.42535
attribute	NC_GLOBAL	geospatial_lat_min	double	38.42535
attribute	NC_GLOBAL	geospatial_lat_units	String	degrees_north
attribute	NC_GLOBAL	geospatial_lon_max	double	-76.60176
attribute	NC_GLOBAL	geospatial_lon_min	double	-76.60176
attribute	NC_GLOBAL	geospatial_lon_units	String	degrees_east
attribute	NC_GLOBAL	geospatial_vertical_max	double	12.0
attribute	NC_GLOBAL	geospatial_vertical_min	double	0.1
attribute	NC_GLOBAL	geospatial_vertical_positive	String	down
attribute	NC_GLOBAL	geospatial_vertical_units	String	m
attribute	NC_GLOBAL	gts_ingest	String	False
attribute	NC_GLOBAL	history	String	[2021-08-26] Created NetCDF4 file from maracoos_set98.mat
attribute	NC_GLOBAL	id	String	LE1.1
attribute	NC_GLOBAL	infoUrl	String	https://www.chesapeakebay.net/what/downloads/cbp_water_quality_database_1984_present
attribute	NC_GLOBAL	institution	String	Penn State
attribute	NC_GLOBAL	keywords	String	'Oceans > Ocean Chemistry > Alkalinity''Oceans > Ocean Chemistry > Chlorophyll''Oceans > Salinity/Density > Salinity''Oceans > Ocean Temperature > Water Temperature''Oceans > Ocean Chemistry > Oxygen'
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	naming_authority	String	edu.psu.met
attribute	NC_GLOBAL	nodc_template_version	String	NODC_TimeSeriesProfile_Template_v2.0
attribute	NC_GLOBAL	Northernmost_Northing	double	38.42535
attribute	NC_GLOBAL	platform	String	fixed
attribute	NC_GLOBAL	platform_id	String	cbp_LE1.1
attribute	NC_GLOBAL	platform_name	String	Chesapeake Bay Buoy - LE1.1
attribute	NC_GLOBAL	platform_vocabulary	String	https://mmisw.org/ont/ioos/platform
attribute	NC_GLOBAL	processing_level	String	For temperature, salinity, pH, alkalinity, oxygen, and chlorophyll: QA/QC of the open-source Chesapeake Bay Program water quality monitoring data (http://data.chesapeakebay.net/WaterQuality); model output for all other variables
attribute	NC_GLOBAL	project	String	NSF OCE‐1537013 OCE‐1536996; NOAA OAP: NA18OAR0170430; PI: Marjorie Friedrichs (marjy@vims.edu)
attribute	NC_GLOBAL	publisher_address	String	PO BOX 4610
attribute	NC_GLOBAL	publisher_city	String	Newark
attribute	NC_GLOBAL	publisher_country	String	USA
attribute	NC_GLOBAL	publisher_email	String	devops at rpsgroup.com
attribute	NC_GLOBAL	publisher_institution	String	MARACOOS
attribute	NC_GLOBAL	publisher_name	String	MARACOOS
attribute	NC_GLOBAL	publisher_phone	String	(401) 789-6224
attribute	NC_GLOBAL	publisher_postalcode	String	19715
attribute	NC_GLOBAL	publisher_state	String	DE
attribute	NC_GLOBAL	publisher_type	String	institution
attribute	NC_GLOBAL	publisher_url	String	http://www.maracoos.org
attribute	NC_GLOBAL	references	String	https://www.chesapeakebay.net/what/downloads/cbp_water_quality_database_1984_present
attribute	NC_GLOBAL	source	String	Data from maracoos_set98.mat file created by PSU/VIMS
attribute	NC_GLOBAL	sourceUrl	String	(local files)
attribute	NC_GLOBAL	Southernmost_Northing	double	38.42535
attribute	NC_GLOBAL	standard_name_vocabulary	String	CF Standard Name Table v55
attribute	NC_GLOBAL	subsetVariables	String	station_id, depth
attribute	NC_GLOBAL	summary	String	This product was developed as part of the project supported by the grant from and the National Oceanic and Atmospheric Administration’s Ocean Acidification Program under award NA18OAR0170430 to the Virginia Institute of Marine Science. The data product consists of water quality data for tidal 98 stations for 1984–2018. The source data used to generate this product were downloaded from the Chesapeake Bay Program’s (CBP) data hub. Out of the total of 255 monitoring stations in the Tidal Monitoring Program, we selected 98 with the long monitoring record (30 years or longer). The following variables were downloaded from the data hub at the native temporal and vertical resolution (between one and four cruises per month and approximately 10 depth levels sampled between 0 and 37 m) for 1984–2018: water temperature (T), salinity (S), pH, total alkalinity (TA), dissolved oxygen (DO) , and chlorophyll (Chl). All pH data prior to 1998 were removed because of the data quality concerns (Herrmann et al., 2020). Briefly, we found a dramatic difference in long-term trends between stations measured by institutions in the state of Virginia and stations measured by the state of Maryland, particularly from late spring to early fall. The boundary between the station groups runs east–west within the mesohaline portion of the bay, where the Potomac River estuary intersects the mainstem bay. The boundary separates strong negative linear trends to the south (Virginia stations) from neutral and weakly positive linear trends to the north (Maryland stations). For all variables, data entries marked with CBP’s “Problem” and “Qualifier” flags were removed. Additionally, all variables were scanned for extreme outliers: for each variable, data from all stations, depths, and times were combined into a single composite sample for which the 75th and 25th percentiles (i.e., the upper and lower quantiles) and the interquartile range (the difference between the upper and lower quantiles) were calculated. Extreme outliers were defined as the values falling outside of a certain number (censoring criterion) of interquartile ranges from the upper and lower quantiles.
attribute	NC_GLOBAL	time_coverage_duration	String	PT1500S
attribute	NC_GLOBAL	time_coverage_end	String	2018-12-04T10:26:00Z
attribute	NC_GLOBAL	time_coverage_resolution	String	PT899S
attribute	NC_GLOBAL	time_coverage_start	String	1985-01-09T10:40:00Z
attribute	NC_GLOBAL	title	String	CBP Water Quality Monitoring Subset (1984-2018), LE1 1
attribute	NC_GLOBAL	Westernmost_Easting	double	-76.60176
variable	time		double
attribute	time	_CoordinateAxisType	String	Time
attribute	time	actual_range	double	4.74115200000004E8, 1.543919160000004E9
attribute	time	axis	String	T
attribute	time	cf_role	String	profile_id
attribute	time	ioos_category	String	Time
attribute	time	long_name	String	time of observation
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	station_id		String
attribute	station_id	cf_role	String	timeseries_id
attribute	station_id	ioos_category	String	Identifier
attribute	station_id	long_name	String	Platform Name
attribute	station_id	short_name	String	edu_vims_LE1.1
attribute	station_id	standard_name	String	platform_name
attribute	station_id	type	String	fixed
variable	latitude		double
attribute	latitude	_CoordinateAxisType	String	Lat
attribute	latitude	actual_range	double	38.42535, 38.42535
attribute	latitude	axis	String	Y
attribute	latitude	colorBarMaximum	double	90.0
attribute	latitude	colorBarMinimum	double	-90.0
attribute	latitude	ioos_category	String	Location
attribute	latitude	long_name	String	station latitude
attribute	latitude	standard_name	String	latitude
attribute	latitude	units	String	degrees_north
variable	longitude		double
attribute	longitude	_CoordinateAxisType	String	Lon
attribute	longitude	actual_range	double	-76.60176, -76.60176
attribute	longitude	axis	String	X
attribute	longitude	colorBarMaximum	double	180.0
attribute	longitude	colorBarMinimum	double	-180.0
attribute	longitude	ioos_category	String	Location
attribute	longitude	long_name	String	station longitude
attribute	longitude	standard_name	String	longitude
attribute	longitude	units	String	degrees_east
variable	depth		double
attribute	depth	_CoordinateAxisType	String	Height
attribute	depth	_CoordinateZisPositive	String	down
attribute	depth	actual_range	double	0.1, 12.0
attribute	depth	axis	String	Z
attribute	depth	colorBarMaximum	double	8000.0
attribute	depth	colorBarMinimum	double	-8000.0
attribute	depth	colorBarPalette	String	TopographyDepth
attribute	depth	ioos_category	String	Location
attribute	depth	long_name	String	Depth
attribute	depth	positive	String	down
attribute	depth	standard_name	String	depth
attribute	depth	units	String	m
variable	chl		double
attribute	chl	_FillValue	double	-9999.0
attribute	chl	actual_range	double	0.15, 242.97
attribute	chl	colorBarMaximum	double	30.0
attribute	chl	colorBarMinimum	double	0.03
attribute	chl	colorBarScale	String	Log
attribute	chl	coverage_content_type	String	physicalMeasurement
attribute	chl	ioos_category	String	Ocean Color
attribute	chl	long_name	String	chlorophyll
attribute	chl	missing_value	double	-9999.0
attribute	chl	platform	String	station_id
attribute	chl	standard_name	String	mass_concentration_of_chlorophyll_in_sea_water
attribute	chl	units	String	ug/L
variable	salt		double
attribute	salt	_FillValue	double	-9999.0
attribute	salt	actual_range	double	3.42, 18.48
attribute	salt	colorBarMaximum	double	37.0
attribute	salt	colorBarMinimum	double	32.0
attribute	salt	coordinates	String	time lat lon depth
attribute	salt	coverage_content_type	String	physicalMeasurement
attribute	salt	ioos_category	String	Salinity
attribute	salt	long_name	String	salinity
attribute	salt	missing_value	double	-9999.0
attribute	salt	platform	String	station_id
attribute	salt	standard_name	String	sea_water_practical_salinity
variable	temp		double
attribute	temp	_FillValue	double	-9999.0
attribute	temp	actual_range	double	0.6, 31.3
attribute	temp	colorBarMaximum	double	32.0
attribute	temp	colorBarMinimum	double	0.0
attribute	temp	coordinates	String	time lat lon depth
attribute	temp	coverage_content_type	String	physicalMeasurement
attribute	temp	ioos_category	String	Temperature
attribute	temp	long_name	String	Water Temperature
attribute	temp	missing_value	double	-9999.0
attribute	temp	platform	String	station_id
attribute	temp	standard_name	String	sea_water_temperature
attribute	temp	units	String	degree_C
variable	oxy		double
attribute	oxy	_FillValue	double	-9999.0
attribute	oxy	actual_range	double	0.0, 15.9
attribute	oxy	colorBarMaximum	double	500.0
attribute	oxy	colorBarMinimum	double	0.0
attribute	oxy	coordinates	String	time lat lon depth
attribute	oxy	coverage_content_type	String	physicalMeasurement
attribute	oxy	ioos_category	String	Dissolved O2
attribute	oxy	long_name	String	Dissolved Oxygen
attribute	oxy	missing_value	double	-9999.0
attribute	oxy	platform	String	station_id
attribute	oxy	standard_name	String	mass_concentration_of_oxygen_in_sea_water
attribute	oxy	units	String	mg/L
variable	pH		double
attribute	pH	_FillValue	double	-9999.0
attribute	pH	actual_range	double	7.0, 9.3
attribute	pH	colorBarMaximum	double	9.0
attribute	pH	colorBarMinimum	double	7.0
attribute	pH	ioos_category	String	Salinity
attribute	pH	long_name	String	sea_water_ph_reported_on_NBS_scale
attribute	pH	missing_value	double	-9999.0
attribute	pH	name	String	pH
attribute	pH	standard_name	String	sea_water_ph_reported_on_total_scale

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.