Entity_Type:
Entity_Type_Label: CCB_SedSamples
Entity_Type_Definition: Point location of sediment samples
Entity_Type_Definition_Source: USGS
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: GROUP
Attribute_Definition: Internal Value - Sediment Lab Grouping
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 3
Range_Domain_Maximum: 3
Attribute:
Attribute_Label: DB_ID
Attribute_Definition:
Unique identifier consisting of two characters and three numerics assigned during lab analysis
Attribute_Definition_Source: Scientist
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: FIELD_NO
Attribute_Definition: Sample name assigned in the field
Attribute_Definition_Source: Scientist
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: PROJECT
Attribute_Definition:
Project under which the samples were taken (COASTAL MASS = Coastal Massachusetts)
Attribute_Definition_Source: Scientist
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: CRUISE_ID
Attribute_Definition:
Name or number of cruise during which the samples were collected
Attribute_Definition_Source: Scientist
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: CONTACT
Attribute_Definition:
Name (initial and last name) of the principal investigator and/or survey data curator
Attribute_Definition_Source: Scientist
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: AREA
Attribute_Definition: General geographic where the samples were taken
Attribute_Definition_Source: Scientist
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: LATITUDE
Attribute_Definition: Latitude coordinate of sample location (decimal degrees, WGS84)
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 41.943922
Range_Domain_Maximum: 42.086412
Attribute_Units_of_Measure: Decimal degrees
Attribute_Measurement_Resolution: 0.000001
Attribute:
Attribute_Label: LONGITUDE
Attribute_Definition:
Longitude coordinate of sample location (decimal degrees, WGS84)
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -70.632917
Range_Domain_Maximum: -70.190775
Attribute_Units_of_Measure: Decimal degrees
Attribute_Measurement_Resolution: 0.000001
Attribute:
Attribute_Label: DEPTH_M
Attribute_Definition:
Depth or sounding in meters, extracted from the final bathymetry grid from the Northern Cape Cod Bay survey area (depth for stations 2A, 2B, 4, 11, 168, 169, 170 and 171 fell outside the area surveyed by this mapping program with swath bathymetry and were therefore determined by the 30m NOAA Estuarine Bathymetry dataset (N180_B30 - available at
http://estuarinebathymetry.noaa.gov/N180/N180_B30.zip) - see processing steps for more information).
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 8.5
Range_Domain_Maximum: 59.0
Attribute_Units_of_Measure: meters
Attribute:
Attribute_Label: T_DEPTH
Attribute_Definition:
Top depth of the sample below sediment-water interface in centimeters
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 0
Attribute_Units_of_Measure: centimeters
Attribute:
Attribute_Label: B_DEPTH
Attribute_Definition:
Bottom depth of the sample below sediment-water interface in centimeters
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2
Range_Domain_Maximum: 2
Attribute_Units_of_Measure: centimeters
Attribute:
Attribute_Label: DEVICE
Attribute_Definition: Device used to collect sample
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Unrepresentable_Domain: VAN VEEN GRAB
Attribute:
Attribute_Label: MONTH_COLL
Attribute_Definition: Calendar month sample collected based on time in UTC.
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 9
Range_Domain_Maximum: 9
Attribute:
Attribute_Label: DAY_COLL
Attribute_Definition: Calendar day sample collected based on time in UTC.
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 7
Range_Domain_Maximum: 11
Attribute:
Attribute_Label: YEAR_COLL
Attribute_Definition: Calendar year sample collected based on time in UTC.
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2007
Range_Domain_Maximum: 2007
Attribute:
Attribute_Label: MONTH_ANAL
Attribute_Definition: Calendar month sample analyzed.
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 10
Range_Domain_Maximum: 11
Attribute:
Attribute_Label: DAY_ANAL
Attribute_Definition: Calendar day sample analyzed.
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2
Range_Domain_Maximum: 25
Attribute:
Attribute_Label: YEAR_ANAL
Attribute_Definition: Calendar year sample analyzed.
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2007
Range_Domain_Maximum: 2007
Attribute:
Attribute_Label: WEIGHT
Attribute_Definition: Weight of dry sample in grams
Attribute_Definition_Source: Sediment Laboratory Analyst
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 14.7068
Range_Domain_Maximum: 268.81
Attribute_Units_of_Measure: grams
Attribute_Measurement_Resolution: 0.0001
Attribute:
Attribute_Label: GRAVEL_PCT
Attribute_Definition:
Gravel content in percent dry weight of the sample (particles with nominal diameters greater than 2 mm; -1phi and larger)
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 76.35
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: SAND_PCT
Attribute_Definition:
Sand content in percent dry weight of the sample (particles with nominal diameters less than 2 mm, but greater than or equal to 0.0625 mm ; 0phi through 4phi )
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2.69
Range_Domain_Maximum: 99.78
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: SILT_PCT
Attribute_Definition:
Silt content in percent dry weight of the sample (particles with nominal diameters less than 0.0625 mm, but greater than or equal to 0.004 mm; 5phi through 8phi, inclusive)
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.04
Range_Domain_Maximum: 73.81
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: CLAY_PCT
Attribute_Definition:
Clay content in percent dry weight of the sample (particles with nominal diameters less than 0.004 mm; 9phi and smaller)
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 28.43
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: CLASSIFICA
Attribute_Definition:
Sediment description based on a rigorous definition (Shepard, 1954)
Attribute_Definition_Source:
USGS East Coast Sediment Texture Database data dictionary - USGS OFR 2005-1001
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: GRAVEL
Enumerated_Domain_Value_Definition: Sediment whose main phase (usually >50%) is >2 mm
Enumerated_Domain_Value_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: GRAVELLY SEDIMENT
Enumerated_Domain_Value_Definition:
Sediment whose main phase (usually >50%) is >2 mm, but with significant sand)
Enumerated_Domain_Value_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: SAND
Enumerated_Domain_Value_Definition: Sediment whose main phase is <2 mm, but >0.062 mm
Enumerated_Domain_Value_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: SILTY SAND
Enumerated_Domain_Value_Definition:
Sediment whose main phase is sand (usually >50%), but with significant silt
Enumerated_Domain_Value_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: SAND SILT CLAY
Enumerated_Domain_Value_Definition: Sediment with sand, silt, and clay concentrations all <20%)
Enumerated_Domain_Value_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: SANDY SILT
Enumerated_Domain_Value_Definition:
Sediment whose main phase is silt (usually >50%), but with significant sand
Enumerated_Domain_Value_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: CLAYEY SILT
Enumerated_Domain_Value_Definition:
Sediment whose main phase is silt (usually >50%), but with significant clay
Enumerated_Domain_Value_Definition_Source: U.S. Geological Survey
Attribute:
Attribute_Label: MEDIAN
Attribute_Definition: Middle point in the grain-size distribution in phi units
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -3.12
Range_Domain_Maximum: 7.08
Attribute_Units_of_Measure: phi
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: MEAN
Attribute_Definition: Average value in the grain-size distribution in phi units
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -2.18
Range_Domain_Maximum: 7.12
Attribute_Units_of_Measure: phi
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: STDEV
Attribute_Definition: Standard Deviation of the grain-size distribution in phi units
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.42
Range_Domain_Maximum: 3.84
Attribute_Units_of_Measure: phi
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: SKEWNESS
Attribute_Definition: Deviation from symmetrical form of the grain-size distribution
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -1.23
Range_Domain_Maximum: 3.28
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: KURTOSIS
Attribute_Definition:
Degree of curvature near the mode of the grain-size distribution
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -1.2
Range_Domain_Maximum: 81.95
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: MODE1CLASS
Attribute_Definition:
First mode (particle size that occurs the most number of times) in phi units. Note: The sediment labratory at the USGS WHCMSC no longer calculates these values but maintains this attribute (as a null value) to be consistent with older datasets.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: null value
Attribute:
Attribute_Label: MODE1FREQ
Attribute_Definition:
Modal strength of the first mode in percent. Note: The sediment labratory at the USGS WHCMSC no longer calculates these values but maintains this attribute (as a null value) to be consistent with older datasets.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: null value
Attribute:
Attribute_Label: MODE2CLASS
Attribute_Definition:
Second mode in phi units. Note: The sediment labratory at the USGS WHCMSC no longer calculates these values but maintains this attribute (as a null value) to be consistent with older datasets.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: null value
Attribute:
Attribute_Label: MODE2FREQ
Attribute_Definition:
Modal strength of the second mode in percent. Note: The sediment labratory at the USGS WHCMSC no longer calculates these values but maintains this attribute (as a null value) to be consistent with older datasets.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: null value
Attribute:
Attribute_Label: MODE3CLASS
Attribute_Definition:
Third mode in phi units. Note: The sediment labratory at the USGS WHCMSC no longer calculates these values but maintains this attribute (as a null value) to be consistent with older datasets.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: null value
Attribute:
Attribute_Label: MODE3FREQ
Attribute_Definition:
Modal strength of the third mode in percent. Note: The sediment labratory at the USGS WHCMSC no longer calculates these values but maintains this attribute (as a null value) to be consistent with older datasets.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: null value
Attribute:
Attribute_Label: NMODES
Attribute_Definition:
Number of modes. Note: The sediment labratory at the USGS WHCMSC no longer calculates these values but maintains this attribute (as a null value) to be consistent with older datasets.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: null value
Attribute:
Attribute_Label: PHIM5
Attribute_Definition: Weight percent of the sample in the -5 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 20.19
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHIM4
Attribute_Definition: Weight percent of the sample in the -4 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 17.08
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHIM3
Attribute_Definition: Weight percent of the sample in the -3 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 52.27
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHIM2
Attribute_Definition: Weight percent of the sample in the -2 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 28.84
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHIM1
Attribute_Definition: Weight percent of the sample in the -1 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 26.69
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_0
Attribute_Definition: Weight percent of the sample in the 0 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 45.9
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_1
Attribute_Definition: Weight percent of the sample in the 1 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.04
Range_Domain_Maximum: 70.78
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_2
Attribute_Definition: Weight percent of the sample in the 2 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.07
Range_Domain_Maximum: 81.73
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_3
Attribute_Definition: Weight percent of the sample in the 3 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 77.44
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_4
Attribute_Definition: Weight percent of the sample in the 4 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.04
Range_Domain_Maximum: 65.57
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_5
Attribute_Definition: Weight percent of the sample in the 5 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 10.98
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_6
Attribute_Definition: Weight percent of the sample in the 6 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 18.12
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_7
Attribute_Definition: Weight percent of the sample in the 7 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 30.24
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_8
Attribute_Definition: Weight percent of the sample in the 8 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 23.37
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_9
Attribute_Definition: Weight percent of the sample in the 9 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 16.44
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_10
Attribute_Definition: Weight percent of the sample in the 10 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 8.43
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: PHI_11
Attribute_Definition: Weight percent of the sample in the 11 phi fraction
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 3.62
Attribute_Units_of_Measure: percent
Attribute_Measurement_Resolution: 0.01
Attribute:
Attribute_Label: ANALYST
Attribute_Definition:
Name(usually first initial and last name) of person who performed the grain size or physical properties analysis
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: ANAL_COMM
Attribute_Definition:
Any further information about sediment analysis for all or specific parameters in this table
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: LITHOLOGY
Attribute_Definition: General lithologic description of sample
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254
Attribute:
Attribute_Label: COMMENTS
Attribute_Definition: Comments on sample collection or lithology
Attribute_Definition_Source: USGS East Coast Sediment Texture Database data dictionary
Attribute_Domain_Values:
Unrepresentable_Domain: Character string of width 254