Chapter 6

Chemtab1 data dictionary

 
Full Length Field Name  Description of Parameter and its Fields
Row # Number of each row in the spreadsheet in numerical order
Cruise Name or number of cruise on which sample collected
Full Length Field Name Name of cruise combined with the station name and the sample interval
Station name Name or number of station at which sample collected
Station also known as: Station name from the cruise, or other cruises with samples taken at the same location
Longitude
(W Decimal degrees as neg)
Longitude in decimal-degrees (West longitude is depicted by negative values.)
Latitude
(N decimal degrees)
Latitude in decimal-degrees (south latitudes are negative)
Year sample collected  Year sample was collected from the natural environment 
Date sample collected (Julian date) Date when the sample was collected from the natural environment (recorded by Julian day).
Time (GMT) sample collected Hour and minutes when the sample was collected from the natural environment
Longitude
(whole degrees W)
degrees of longitude (West) in whole degrees
Longitude
(decimal minutes W)
minutes of longitude (West) in decimal minutes
Latitude
(decimal minutes N)
minutes of latitude(North) in decimal units
Latitude
(whole degrees N)
degrees of latitude in whole degrees
water depth (m) at site Measured depth of water overlying sediment at sample time, in original units
Sample Interval in sediment (cm) The depth of the sample in the sediment in units of cm 
Weight % Water Percent of total wet sample weight that is water, i.e., (total wt-dry wt/wet wt)*100
C. perfringens
(spores/g wet sediment)
Concentration of Clostridium perfringens (C. perfringens or C. perf) in the sample in units of spores/g wet sediment (spore count per gram of wet sediment)
C. perfringens qualifier
(spores/g wet sediment)
Any qualifier information or comments about the C. perfringens concentrations; e.g. "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
C. perfringens
(spores/g dry sediment)
Concentration of Clostridium perfringens (C. perfringens or C. perf) in the sample in units of spores/g dry sediment (spore count per gram of dry sediment)
C. perfringens qualifier
(spores/g dry sediment)
Any qualifier information or comments about the C. perfringens concentrations; e.g. "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
C. perf qualifier  Any qualifier information or comments about the C. perfringens concentrations; e.g. "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Lab ID number for texture analysis
(SED LAB #)
Laboratory's ID number indicating specific sample analyzed for grain size
% fines Percent dry weight reported in the fine size-class (i.e. silt and clay)
Verbal Equivalent of sediment texture Text description of the non-biological part of the sediment
BU Lab tracking # Laboratory's ID number indicating specific sample (for metals analysis)
Ag (silver) µg/g Concentration of Silver (Ag) in the sample in units of µg/g (microgram per gram)
Ag qualifier Any qualifier information or comments about the Silver concentration; e.g. "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Ag dl The lowest detectable concentration of Silver for this Lab and this methodology.
Al (aluminum) wt % Concentration of aluminum (Al) in the sample in units of wt.% (weight percent)
Al qualifier Any qualifier information or comments about the Aluminum concentration; e.g. "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc. 
Al dl The lowest detectable concentration of Aluminum for this Lab and this methodology.
Ba (barium) µg/g Concentration of Barium (Ba) in the sample in units of µg/g (micrograms per gram)
Ba qualifier Any qualifier information or comments about the Ba concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Ba dl The lowest detectable concentration of Ba for this Lab and this methodology.
Ca (calcium) wt % Concentration of calcium (Ca) in the sample in units of wt.% (weight percent)
Ca qualifier Any qualifier information or comments about the Ca concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc. 
Ca dl The lowest detectable concentration of Ca for this Lab and this methodology.
Cd (cadmium) µg/g Concentration of Cadmium (Cd) in the sample in units of µg/g (micrograms per gram)
Cd qualifier Any qualifier information or comments about the Cd concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Cd dl The lowest detectable concentration of Cd for this Lab and this methodology.
Cr (chromium) µg/g Concentration of Chromium (Cr) in the sample in units of µg/g (micrograms per gram)
Cr qualifier Any qualifier information or comments about the Cr concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc. 
Cr dl The lowest detectable concentration of Cr for this Lab and this methodology.
Cu (copper) µg/g Concentration of Copper (Cu) in the sample in units of µg/g (micrograms per gram)
Cu qualifier Any qualifier information or comments about the Cu concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Cu dl The lowest detectable concentration of Cu for this Lab and this methodology.
Fe (iron) wt. % Concentration of iron (Fe) in the sample in units of wt.% (weight percent) 
Fe qualifier Any qualifier information or comments about the Fe concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Fe dl The lowest detectable concentration of Fe for this Lab and this methodology.
Hg (mercury) µg/g
(NO, ppb)
Concentration of Mercury (Hg) in the sample in units of µg/g (micrograms per gram) 
Hg qualifier Any qualifier information or comments about the Hg concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Hg dl The lowest detectable concentration of Hg for this Lab and this methodology.
Mn (manganese) µg/g Concentration of Manganese (Mn) in the sample in units of µg/g (micrograms per gram)
Mn qualifier Any qualifier information or comments about the Mn concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Mn dl The lowest detectable concentration of Mn for this Lab and this methodology.
Ni (nickel) µg/g Concentration of Nickel (Ni) in the sample in units of µg/g (micrograms per gram)
Ni qualifier Any qualifier information or comments about the Ni concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Ni dl The lowest detectable concentration of Ni for this Lab and this methodology.
Pb (lead ) µg/g  Concentration of Lead (Pb) in the sample in units of µg/g (micrograms per gram)
Pb qualifier Any qualifier information or comments about the Pb concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Pb dl The lowest detectable concentration of Pb for this Lab and this methodology.
Ti (titanium) wt % Concentration of titanium (Ti) in the sample in units of wt.% (weight percent)
Ti qualifier Any qualifier information or comments about the Ti concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Ti dl The lowest detectable concentration of Ti for this Lab and this methodology.
V (vanadium) µg/g Concentration of Vanadium (V) in the sample in units of µg/g (micrograms per gram)
V qualifier Any qualifier information or comments about the V concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
V dl The lowest detectable concentration of V for this Lab and this methodology.
Zn (zinc) µg/g Concentration of Zinc (Zn) in the sample in units of µg/g (micrograms per gram)
Zn qualifier Any qualifier information or comments about the Zn concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Zn dl The lowest detectable concentration of Zn for this Lab and this methodology.
Zr (zirconium) µg/g Concentration of Zirconium (Zr) in the sample in units of µg/g (micrograms per gram)
Zr qualifier Any qualifier information or comments about the Zr concentration; e.g., "less than" (< or lt); analytical trouble with this sample; corrections made; indications of poor quality data; etc.
Zr dl The lowest detectable concentration of Zr for this Lab and this methodology.
Sed. Environ. The sedimentary environment assigned to each sample by Knebel and Poppe (in press).
Side scan pattern The side scan sonar pattern assigned to each sample by Knebel and Poppe (in press) in the process of delineating sedimentary environments.
Organic Carbon: Y/N
(Wt %) (TOC data-Poppe)
A yes/no indication on whether organic carbon (Corg) was measured in the samples in units of weight percent Corg.
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