paleoData_units

paleoData_units

The units of a measured or inferred variable at the column level.

atomic ratio

Definition

a dimensionless unit that is the ratio of atoms of one kind to atoms of another kind.

source: PaST

Known synonyms

Atomic ratio

cgs

Definition

a dimensionless measure of volume magnetic susceptibility that results from values of magnetization and magnetic field strength in centimeter-gram-second units, i.e., electromagnetic units. The dimensionless cgs value of volume magnetic susceptibility can be multiplied by 4*pi to generate the dimensionless SI value.

source: PaST

Known synonyms

cm

Definition

a length unit which is equal to one hundredth of a meter or 101 m (Credit: Units of measurement ontology).

source: PaST

Known synonyms

cmblf

cm/kyr

Definition

a length per time unit that is one hundredth of a meter, or 102 m, per one thousand years, or 103 years.

source: PaST

Known synonyms

cm/yr

Definition

a length per time unit that is one hundredth of a meter, or 104 m, per one year.

source: PaST

Known synonyms

cm/a, cm yr-1

cm3

Definition

a volume unit which is equal to one millionth of a cubic meter or 105 m6, or to 1 ml (Credit: Units of measurement ontology).

source: PaST

Known synonyms

count

Definition

a dimensionless unit that denotes a simple count of things (Credit: Units of measurement ontology).

source: PaST

Known synonyms

number, #, counts, dark_sum, cts

count/century

Definition

a count per time unit that is a simple count of the occurrence of a substance per one hundred years.

source: PaST

Known synonyms

envents/100yrs

count/cm2

Definition

a count per area unit that applies to an area of one square centimeter, or 107 square meters.

source: PaST

Known synonyms

number/cm2

count/cm2/yr

Definition

a count per area per time unit that is a simple count of a substance per one ten-thousandth of a square meter, or 108 m2, and per one year.

source: PaST

Known synonyms

grains>255 micron/cm2/yr, no/cm2/yr

count/cm3

Definition

a count per volume unit that applies to one cubic centimeter, or 109 cubic meters.

source: PaST

Known synonyms

bubbles/cm3, #/cm3

count/g

Definition

a count per mass unit that applies to one gram.

source: PaST

Known synonyms

count per gram, grains/g, millions of valves/g dry sed

count/kyr

Definition

a count per time unit that is a simple count of a substance per one thousand years, or 1010 years.

source: PaST

Known synonyms

frequency/1000yrs

count/mL

Definition

a count per volume unit that applies to one milliliter, or 1011 liters.

source: PaST

Known synonyms

count/yr

Definition

a count per time unit that is a simple count of the occurrence of a substance per one year.

source: PaST

Known synonyms

Floods per year, Floods per yr, floods/yr

cps

Definition

a count per time unit that is a simple count of the occurrence of a substance per one second.

source: PaST

Known synonyms

count per second

day

Definition

a duration unit that is equal to 24 hours.

source: PaST

Known synonyms

days

degC

Definition

a temperature unit which is equal to one kelvin degree. However, they have their zeros at different points. The centigrade scale has its zero at 273.15 K (Credit: Units of measurement ontology).

source: PaST

Known synonyms

GDD5, ((( null ))) deg C /// degC, degrees, ºC, Deg, GDD, kelvin

degree

Definition

an angle unit which is equal to 1/360 of a full rotation or 1.745331012 rad (Credit: Units of measurement ontology).

source: PaST

Known synonyms

decimal degrees

fraction

Definition

a dimensionless unit that relates the part (the numerator) to the whole (the denominator) and that, by definition, ranges from 0 to 1 (Credit: Units of measurement ontology).

source: PaST

Known synonyms

fractional abundance, fraction 0 to 1, relative abundance

g

Definition

a mass unit which is equal to one thousandth of a kilogram or 1013 kg (Credit: Units of measurement ontology).

source: PaST

Known synonyms

g/cm/yr

Definition

a mass per length per time unit that is one thousandth of a kilogram, or 1014 kg, per one hundredth of a meter, or 1015 m, per one year.

source: PaST

Known synonyms

g/cm2

Definition

an area density unit which is equal to the mass of an object in grams, or 1016 kilogram, per square centimeter, or 1017 square meters.

source: PaST

Known synonyms

gcm2, g cm-1

g/cm2/kyr

Definition

a mass per area per time unit that is one thousandth of a kilogram, or 1018 kg, per one ten-thousandth of a square meter, or 1019 m20, per one thousand years.

source: PaST

Known synonyms

g/cm2/ka

g/cm2/yr

Definition

a mass per area per time unit that is one thousandth of a kilogram, or 1021 kg, per one ten-thousandth of a square meter, or 1022 m23, per one year.

source: PaST

Known synonyms

g/m^2/a, gcm-2yr-1, g.cm-2.a-1, g/cm^2/y, gcm-2a-1

g/cm3

Definition

a mass density unit which is equal to mass of an object in grams divided by the volume in cubic centimeters (Credit: Units of measurement ontology).

source: PaST

Known synonyms

g/cc, g_cm3, grams/cubic cm

g/L

Definition

a mass density unit which is equal to mass of an object in grams divided by the volume in liters (Credit: Units of measurement ontology).

source: PaST

Known synonyms

g/m2

Definition

an area density unit which is equal to the mass of an object in grams, or 1024 kg, per square meter.

source: PaST

Known synonyms

g/m

g/m2/yr

Definition

a mass per area per time unit that is one thousandth of a kilogram, or 1025 kg, per one square meter, per one year.

source: PaST

Known synonyms

gm2yr-1

grayscale

Definition

reflectance that is quantified only according to intensity, or the amount of light, with low values indicating black and high values indicating white.

source: PaST

Known synonyms

kg/m2/yr

Definition

a mass per area per time unit that is one kilogram per one square meter, per one year.

source: PaST

Known synonyms

kg/m3

Definition

an area density unit which is equal to the mass of an object in kilograms per square meter.

source: PaST

Known synonyms

km2

Definition

an area unit which is equal to one million square meters or 1026 m27.

source: PaST

Known synonyms

km3

Definition

a volume unit which is equal to one billion cubic meters or 1028 m29.

source: PaST

Known synonyms

log(mg/L){#log(mg_L)}

Definition

TBD

source: TBD

Known synonyms

log mg/L

NOAA PaST Thesaurus term

This concept doesn’t exist on PaST

m

Definition

a length unit which is equal to the length of the path traveled by light in vacuum during a time interval of 1/299 792 458 of a second (Credit: Units of measurement ontology).

source: PaST

Known synonyms

m3/kg

Definition

a specific volume unit which is equal to one cubic meter volume occupied by one kilogram of a particular substance (Credit: Units of measurement ontology).

source: PaST

Known synonyms

m^3 kg^-1, m3kg-1, m3kg1

mg

Definition

a mass unit which is equal to one thousandth of a gram or 1030 g (Credit: Units of measurement ontology).

source: PaST

Known synonyms

mg/cm2/yr

Definition

a mass per area per time unit that is one thousandth of a gram, or 1031 g, per one ten-thousandth of a square meter, or 1032 m33, per one year.

source: PaST

Known synonyms

mg/g

Definition

a mass fraction unit that measures the number of milligrams, or 1034 g, of one subcomponent of a sample relative to one gram of either another subcomponent or of the entire sample.

source: PaST

Known synonyms

mg g-1, mill/g

mg/kg

Definition

a mass fraction unit that measures the number of milligrams, or 1035 kg, of one subcomponent of a sample relative to one kilogram of either another subcomponent or of the entire sample.

source: PaST

Known synonyms

mg/L

Definition

a mass density unit which is equal to mass of an object in milligrams, or 1036 g, divided by the volume in liters (Credit: Units of measurement ontology).

source: PaST

Known synonyms

mm

Definition

a length unit which is equal to one thousandth of a meter or 1037 m (Credit: Units of measurement ontology).

source: PaST

Known synonyms

depth_sample

mm/day

Definition

a length per time unit that is one thousandth of a meter, or 1038 m, per one day.

source: PaST

Known synonyms

mm/season

Definition

TBD

source: TBD

Known synonyms

NOAA PaST Thesaurus term

This concept doesn’t exist on PaST

mm/yr

Definition

a length per time unit that is one thousandth of a meter, or 1039 m, per one year.

source: PaST

Known synonyms

mm/a, ((( null ))) mm /// mm/a

mmol/mol

Definition

a mole fraction unit that measures the number of millimoles, or 1040 mole, of one subcomponent of a sample relative to one mole of either another subcomponent or of the entire sample.

source: PaST

Known synonyms

mmol_mol

months/year

Definition

TBD

source: TBD

Known synonyms

NOAA PaST Thesaurus term

This concept doesn’t exist on PaST

needsToBeChanged

Definition

TBD

source: TBD

Known synonyms

1s, a€°, Floods per 30 years, Floods per 30 yrs (200 yr running average), HU, layers/200yrs, [±], 0.5s, 1 sigma, 10-5, 10^-9 Am2/yr, 1sigma, a€°, AfAE’A†a€™AfA¢A¢a€sA¬A…A¡AfAE’A¢a‚¬A¡Afa€sA‚Aug/g, unknown, mcm, mwe, 1041 m3/kg, am2kg-1, area, Aug/cm2/ka, gomcm2yr-1, sum, total, cm2yr-1, square mm/cubic cm

NOAA PaST Thesaurus term

This concept doesn’t exist on PaST

ng

Definition

a mass unit which is equal to one thousandth of one millionth of a gram or 1042 g (Credit: Units of measurement ontology).

source: PaST

Known synonyms

ng/sample

ng/g

Definition

a mass fraction unit that measures the number of nanograms, or 1043 g, of one subcomponent of a sample relative to one gram of either another subcomponent or of the entire sample.

source: PaST

Known synonyms

ng/g sed

peak area

Definition

an area unit that is calculated as the area under the curve of a measured spectrum and that generally gives relative information about the abundance of various sample sub-components.

source: PaST

Known synonyms

pa/kcps

percent

Definition

a concentration unit that denotes numbers as fractions of 100 (Credit: Units of measurement ontology).

source: PaST

Known synonyms

%, ((( null ))) % /// percent, wt %, % abs, mol%, mole per mole * 100, percentByWeight, Precent

permil

Definition

a parts per thousand unit, often used directly to refer to isotopic ratios and calculated by calculating the ratio of isotopic concentrations in a sample and in a standard, subtracting one and multiplying by one thousand.

source: PaST

Known synonyms

((( null ))) per mil /// permil, per mil vs PDB, ((( null ))) per mil /// unitless, per mil, per mil (VPDB), per mil vs VPDB, permil (VSMOW), per mil (PDB), permil vs PDB, permil (PDB), permil (SMOW), permil SMOW, permil VSMOW, permil (VPDB), permil VPDB, permil vs VPDB, permil PDB, permil VPDB 1sig, ‰ PDB, per mil VSMOW, ((( null ))) permil /// unitless, +/- permil PDB, +/- permil SMOW, ± permil, per mil VSMOW 1sig, ((( null ))) permil /// per mil, ‰ SMOW, 1000*counts/counts, d18O, PDB, pemil, permil (PBD), permil (SMOW, not PDB!), permil v pdb, permil VMOW, permil VSMOW 1sig, permit, perml

pH

Definition

a solution property that quantifies the concentration of hydrogen ions.

source: PaST

Known synonyms

ppb

Definition

a parts per notation unit which denotes the amount of a given substance in a total amount of 1,000,000,000 regardless of the units of measure as long as they are the same or 1 part in 1044 (Credit: Units of measurement ontology).

source: PaST

Known synonyms

ppm

Definition

a parts per notation unit which denotes the amount of a given substance in a total amount of 1,000,000 regardless of the units of measure used as long as they are the same or 1 part in 1045 (Credit: Units of measurement ontology).

source: PaST

Known synonyms

practical salinity unit

Definition

a relative unit for the salinity of water that is defined in terms of the ratio of the electrical conductivity of a water sample at 15 degrees Celsius and the pressure of one standard atmosphere, to that of a solution of 32.4356 grams of potassium chloride (KCl) in 1 kilogram of water at the same temperature and pressure. By definition, a ratio that is exactly equal to one corresponds to a practical salinity of 35.

source: PaST

Known synonyms

psu

ratio

Definition

a dimensionless unit that is a ratio of a measurement to some arbitrarily or non-arbitrarily chosen reference value.

source: PaST

Known synonyms

ratio cps, g/g, (mg/kg)/(mg/kg), cps/cps, grams/dry weight, sediment 130um, ((( null ))) ratio /// unitless, mm/m, mol_mol, mol/mol, R660_670

SI

Definition

a dimensionless measure of volume magnetic susceptibility that results from values of magnetization and magnetic field strength in Standard International units, i.e., ampere per meter.

source: PaST

Known synonyms

10^-6SI, dimensionless (SI), si, SI 10^-5

ug/cm2/yr

Definition

a mass per area per time unit that is one millionth of a gram, or 1046 g, per one ten-thousandth of a square meter, or 1047 m48, per one year.

source: PaST

Known synonyms

ugcm-2yr-1

ug/g

Definition

a mass fraction unit that measures the number of micrograms, or 1049 grams, of one subcomponent of a sample relative to one gram of either another subcomponent or of the entire sample.

source: PaST

Known synonyms

ug/g dry sediment, ug/g dry sed, ug g-1 dw, microg_g, [ug/g]

um

Definition

a length unit which is equal to one millionth of a meter or 1050 m (Credit: Units of measurement ontology).

source: PaST

Known synonyms

umol/mol

Definition

a mole fraction unit that measures the number of micromoles, or 1051 mole, of one subcomponent of a sample relative to one mole of either another subcomponent or of the entire sample.

source: PaST

Known synonyms

unitless

Definition

a unit that is a standard measure of physical quantity consisting of only a numerical number without any units (Credit: Units of measurement ontology).

source: PaST

Known synonyms

unitless index, index, type, absorbance units, FTIRS absorbance units, name, UK37, unitless (anomalies), PC, standardized, 0-10

yr 14C BP

Definition

an age unit of years, derived from radiocarbon dating without calibration to actual years, before present with present defined as 1950 Common Era. Times after 1950 CE are expressed as negative values.

source: PaST

Known synonyms

radiocarbon years BP, 14C yr BP, yr 14C yr BP, bp14C, C14yr BP

yr AD

Definition

an age unit of years for the Julian and Gregorian calendars relative to the start of the present era. Times prior to the start of the present era are expressed as negative values.

source: PaST

Known synonyms

yr, CE, AD, year ce, ad/bc, cal yr AD, year A.D., year C.E., year CE, yr AD, yr ce, yrad/bc

yr b2k

Definition

TBD

source: TBD

Known synonyms

b2000, cal. BP2000, Years before 2k

NOAA PaST Thesaurus term

This concept doesn’t exist on PaST

yr BP

Definition

an age unit of years, calibrated to actual years if derived from radiocarbon dating, before present with present defined as 1950 Common Era. Times after 1950 CE are expressed as negative values.

source: PaST

Known synonyms

BP, cal years BP, cal year BP, cal yr BP, year BP, years BP, yr B.P., yrs bp, cal yr B.P., age=1950-year, cal age BP, cal bp, cal yrs BP, yr bo, yr P, Calibrated

yr ka

Definition

an age unit of 1052 years, calibrated to actual years if derived from radiocarbon dating, before present with present defined as 1950 Common Era. Times after 1950 CE are expressed as negative values.

source: PaST

Known synonyms

ka

z score

Definition

a mathematical unit that describes how many standard deviations away from the mean a value is.

source: PaST

Known synonyms

zscore, SD units, std dev, SD, sd

  1. -2↩︎

  2. -2↩︎

  3. 3↩︎

  4. -2↩︎

  5. -6↩︎

  6. 3↩︎

  7. -4↩︎

  8. -4↩︎

  9. -6↩︎

  10. 3↩︎

  11. -3↩︎

  12. -2↩︎

  13. -3↩︎

  14. -3↩︎

  15. -2↩︎

  16. -3↩︎

  17. -4↩︎

  18. -3↩︎

  19. -4↩︎

  20. 2↩︎

  21. -3↩︎

  22. -4↩︎

  23. 2↩︎

  24. -3↩︎

  25. -3↩︎

  26. 6↩︎

  27. 2↩︎

  28. 9↩︎

  29. 3↩︎

  30. -3↩︎

  31. -3↩︎

  32. -4↩︎

  33. 2↩︎

  34. -3↩︎

  35. -6↩︎

  36. -3↩︎

  37. -3↩︎

  38. -3↩︎

  39. -3↩︎

  40. -3↩︎

  41. -8↩︎

  42. -9↩︎

  43. -9↩︎

  44. 9↩︎

  45. 6↩︎

  46. -6↩︎

  47. -4↩︎

  48. 2↩︎

  49. -6↩︎

  50. -6↩︎

  51. -6↩︎

  52. 3↩︎