paleoData_units
The units of a measured or inferred variable at the column level.
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
NOAA PaST Thesaurus term
centimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=122)
uS/cm
Definition
an electrical conductivity unit that is one millionth of a siemen, or 102 S, per one hundredeth of a meter, or 103 m.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
microsiemens per centimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1747)
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
((( ((( null ))) deg C /// degC ))) degC /// degC, ((( null ))) deg C /// degC, Deg, deg C, degrees, GDD, GDD5, kelvin, ºC
NOAA PaST Thesaurus term
degree Celsius (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=29)
percent
Definition
a concentration unit that denotes numbers as fractions of 100 (Credit: Units of measurement ontology).
source: PaST
Known synonyms
((( null ))) % /// percent, %, % abs, mol%, mole per mole * 100, percentByWeight, Precent, wt %
mm/yr
Definition
a length per time unit that is one thousandth of a meter, or 104 m, per one year.
source: PaST
Known synonyms
((( null ))) mm /// mm/a, mm/a
NOAA PaST Thesaurus term
millimeter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3849)
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, ((( null ))) per mil /// unitless, ((( null ))) permil /// per mil, ((( null ))) permil /// unitless, ‰ PDB, ‰ SMOW, +/- permil PDB, +/- permil SMOW, ± permil, 1000*counts/counts, d18O, PDB, pemil, per mil, per mil (PDB), per mil (VPDB), per mil vs PDB, per mil vs VPDB, per mil VSMOW, per mil VSMOW 1sig, permil (PBD), permil (PDB), permil (SMOW, not PDB!), permil (SMOW), permil (VPDB), permil (VSMOW), permil PDB, permil SMOW, permil v pdb, permil VMOW, permil VPDB, permil VPDB 1sig, permil vs PDB, permil vs VPDB, permil VSMOW, permil VSMOW 1sig, permit, perml
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
((( null ))) ratio /// unitless, (mg/kg)/(mg/kg), cps/cps, g/g, grams/dry weight, sediment 130um, mm/m, mol_mol, mol/mol, R660_670, ratio cps
NOAA PaST Thesaurus term
relative unit (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4144)
needsToBeChanged
Definition
TBD
source: TBD
Known synonyms
[±], 0.5s, 1 sigma, 10-5, 10^-9 Am2/yr, 105 m3/kg, 1s, 1sigma, a°, a€°, AfAE’A†a€™AfA¢A¢a€sA¬A…A¡AfAE’A¢a‚¬A¡Afa€sA‚Aug/g, am2kg-1, area, Aug/cm2/ka, cm2yr-1, Floods per 30 years, Floods per 30 yrs (200 yr running average), gomcm2yr-1, HU, layers/200yrs, mcm, mwe, square mm/cubic cm, sum, total, unknown
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
ug/g
Definition
a mass fraction unit that measures the number of micrograms, or 106 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], microg_g, ug g-1 dw, ug/g dry sed, ug/g dry sediment
NOAA PaST Thesaurus term
microgram per gram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1740)
count
Definition
a dimensionless unit that denotes a simple count of things (Credit: Units of measurement ontology).
source: PaST
Known synonyms
#, cores, no, counts, cts, dark_sum, n, number
count/cm3
Definition
a count per volume unit that applies to one cubic centimeter, or 107 cubic meters.
source: PaST
Known synonyms
#/cm3, bubbles/cm3, n_cm3
NOAA PaST Thesaurus term
count per cubic centimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3815)
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
0-10, absorbance units, dimensionless, FTIRS absorbance units, index, NA, name, PC, standardized, type, UK37, unitless (anomalies), unitless index
NOAA PaST Thesaurus term
dimensionless (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=622)
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
NOAA PaST Thesaurus term
dimensionless (SI system) (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1251)
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
108 m3/kg, m^3 kg^-1, m3kg-1, m3kg1
NOAA PaST Thesaurus term
cubic meter per kilogram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1734)
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
14C yr BP, bp14C, C14yr BP, radiocarbon years BP, yr 14C yr BP
NOAA PaST Thesaurus term
radiocarbon year before present (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1288)
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
AD, ad/bc, cal yr AD, CE, year A.D., year C.E., year ce, year CE, yr, yr AD, yr ce, yrad/bc
NOAA PaST Thesaurus term
year Common Era (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=132)
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
age=1950-year, BP, cal age BP, cal bp, cal year BP, cal years BP, cal yr B.P., cal yr BP, cal yrs BP, Calibrated, year BP, years BP, yr B.P., yr bo, yr P, yrs bp
NOAA PaST Thesaurus term
calendar year before present (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=133)
Am2/yr
Definition
the remanent magnetization that is acquired without the aid of changes in temperature, generally from the application and subsequent removal of an applied direct current field (Credit: Encyclopedia of Geomagnetism and Paleomagnetism).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
isothermal remanent magnetization (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1085)
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
NOAA PaST Thesaurus term
atomic ratio (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=5701)
atoms/g
Definition
TBD
source: TBD
Known synonyms
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
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
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
NOAA PaST Thesaurus term
dimensionless (CGS system) (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=631)
cm/yr
Definition
a length per time unit that is one hundredth of a meter, or 109 m, per one year.
source: PaST
Known synonyms
cm yr-1, cm/a
NOAA PaST Thesaurus term
centimeter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1713)
cm/kyr
Definition
a length per time unit that is one hundredth of a meter, or 1010 m, per one thousand years, or 1011 years.
source: PaST
Known synonyms
cm/ka
NOAA PaST Thesaurus term
centimeter per kiloyear (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2371)
cm3
Definition
a volume unit which is equal to one millionth of a cubic meter or 1012 m13, or to 1 ml (Credit: Units of measurement ontology).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
cubic centimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1712)
count/g
Definition
a count per mass unit that applies to one gram.
source: PaST
Known synonyms
n_g, count per gram, grains/g, millions of valves/g dry sed, no_g
NOAA PaST Thesaurus term
count per gram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3796)
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
NOAA PaST Thesaurus term
count per second (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1721)
count/mL
Known synonyms
NOAA PaST Thesaurus term
count per milliliter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3801)
degree
Definition
an angle unit which is equal to 1/360 of a full rotation or 1.745331015 rad (Credit: Units of measurement ontology).
source: PaST
Known synonyms
decimal degrees
mm
Definition
a length unit which is equal to one thousandth of a meter or 1016 m (Credit: Units of measurement ontology).
source: PaST
Known synonyms
depth_sample
NOAA PaST Thesaurus term
millimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=128)
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
NOAA PaST Thesaurus term
count per century (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2373)
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
NOAA PaST Thesaurus term
count per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1720)
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
fraction 0 to 1, fractional abundance, relative abundance
NOAA PaST Thesaurus term
fraction (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3820)
count/kyr
Definition
a count per time unit that is a simple count of a substance per one thousand years, or 1017 years.
source: PaST
Known synonyms
frequency/1000yrs
NOAA PaST Thesaurus term
count per kiloyear (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1000203)
g
Definition
a mass unit which is equal to one thousandth of a kilogram or 1018 kg (Credit: Units of measurement ontology).
source: PaST
Known synonyms
g/cm2
Definition
an area density unit which is equal to the mass of an object in grams, or 1019 kilogram, per square centimeter, or 1020 square meters.
source: PaST
Known synonyms
g cm-1, gcm2
NOAA PaST Thesaurus term
gram per square centimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1724)
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_cm3, g/cc, grams/cubic cm
NOAA PaST Thesaurus term
gram per cubic centimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1727)
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.cm-2.a-1, g/cm^2/y, g/m^2/a, gcm-2a-1, gcm-2yr-1
NOAA PaST Thesaurus term
gram per square centimeter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1726)
g/cm/yr
Definition
a mass per length per time unit that is one thousandth of a kilogram, or 1024 kg, per one hundredth of a meter, or 1025 m, per one year.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
gram per centimeter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1000009)
g/cm2/kyr
Definition
a mass per area per time unit that is one thousandth of a kilogram, or 1026 kg, per one ten-thousandth of a square meter, or 1027 m28, per one thousand years.
source: PaST
Known synonyms
g/cm2/ka, gram/cm2/ka
NOAA PaST Thesaurus term
gram per square centimeter per kiloyear (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1725)
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
NOAA PaST Thesaurus term
gram per liter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3824)
g/m2
Definition
an area density unit which is equal to the mass of an object in grams, or 1029 kg, per square meter.
source: PaST
Known synonyms
g/m
NOAA PaST Thesaurus term
gram per square meter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4871)
g/m2/yr
Definition
a mass per area per time unit that is one thousandth of a kilogram, or 1030 kg, per one square meter, per one year.
source: PaST
Known synonyms
gm2yr-1
NOAA PaST Thesaurus term
gram per square meter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1729)
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 1031 m2, and per one year.
source: PaST
Known synonyms
grains>255 micron/cm2/yr, no/cm2/yr
NOAA PaST Thesaurus term
count per square centimeter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1715)
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
NOAA PaST Thesaurus term
grayscale (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=548)
yr ka
Definition
an age unit of 1032 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, ka BP
NOAA PaST Thesaurus term
calendar kiloyear before present (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1702)
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
NOAA PaST Thesaurus term
kilogram per square meter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3832)
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
NOAA PaST Thesaurus term
kilogram per square meter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4874)
km2
Known synonyms
NOAA PaST Thesaurus term
square kilometer (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3804)
km3
Known synonyms
NOAA PaST Thesaurus term
cubic kilometer (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3835)
liter
Definition
a volume unit which is equal to one thousandth of a cubic meter or 1037 m38, or to 1 decimeter (Credit: Units of measurement ontology).
source: PaST
Known synonyms
L
lightness
Definition
an axis of the CIE Lab* color system, with the darkest black at 0 and the brightest white at 100.
source: PaST
Known synonyms
L*, reflectance
NOAA PaST Thesaurus term
lightness (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2194)
ln(cps){#ln(cps)}
Definition
TBD
source: TBD
Known synonyms
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
ln(ratio){#ln(ratio)}
Definition
TBD
source: TBD
Known synonyms
ln(cps/cps)
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
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
log(ratio){#log(ratio)}
Definition
TBD
source: TBD
Known synonyms
log(cps/cps)
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
log(mmol/mol){#log(mmol_mol)}
Definition
a mole fraction unit that measures the number of millimoles, or 1039 mole, of one subcomponent of a sample relative to one mole of either another subcomponent or of the entire sample.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
millimole per mole (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1745)
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
masl, mcd
mg
Definition
a mass unit which is equal to one thousandth of a gram or 1040 g (Credit: Units of measurement ontology).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
milligram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=637)
mg/g
Definition
a mass fraction unit that measures the number of milligrams, or 1041 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
NOAA PaST Thesaurus term
milligram per gram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1739)
mg/cm2/yr
Definition
a mass per area per time unit that is one thousandth of a gram, or 1042 g, per one ten-thousandth of a square meter, or 1043 m44, per one year.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
milligram per square centimeter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1738)
mg/kg
Definition
a mass fraction unit that measures the number of milligrams, or 1045 kg, of one subcomponent of a sample relative to one kilogram of either another subcomponent or of the entire sample.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
milligram per kilogram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2390)
mg/L
Definition
a mass density unit which is equal to mass of an object in milligrams, or 1046 g, divided by the volume in liters (Credit: Units of measurement ontology).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
milligram per liter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3842)
mm/day
Definition
a length per time unit that is one thousandth of a meter, or 1047 m, per one day.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
millimeter per day (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3847)
mm/season
Definition
TBD
source: TBD
Known synonyms
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
nmol/g
Definition
a molality unit which expresses a concentration of a solution of one billionth of a mole, or 1048 mole, per one thousandth of a kilogram, or 1049 kg, of solvent.
source: PaST
Known synonyms
nmol_g
NOAA PaST Thesaurus term
nanomole per gram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2401)
mmol/mol
Definition
a mole fraction unit that measures the number of millimoles, or 1050 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
NOAA PaST Thesaurus term
millimole per mole (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1745)
months/year
Definition
TBD
source: TBD
Known synonyms
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
ng/g
Definition
a mass fraction unit that measures the number of nanograms, or 1051 g, of one subcomponent of a sample relative to one gram of either another subcomponent or of the entire sample.
source: PaST
Known synonyms
nanogram/gram, ng_g, ng/g sed
NOAA PaST Thesaurus term
nanogram per gram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3900)
ng
Definition
a mass unit which is equal to one thousandth of one millionth of a gram or 1052 g (Credit: Units of measurement ontology).
source: PaST
Known synonyms
ng/sample
NOAA PaST Thesaurus term
nanogram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=954)
count/cm2
Definition
a count per area unit that applies to an area of one square centimeter, or 1053 square meters.
source: PaST
Known synonyms
number/cm2
NOAA PaST Thesaurus term
count per square centimeter (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3814)
octal
Definition
TBD
source: TBD
Known synonyms
octal unit
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
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
NOAA PaST Thesaurus term
peak area integral (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1754)
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 1054 (Credit: Units of measurement ontology).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
parts per billion (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=144)
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 1055 (Credit: Units of measurement ontology).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
parts per million (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=143)
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
NOAA PaST Thesaurus term
practical salinity unit (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3897)
z score
Definition
a mathematical unit that describes how many standard deviations away from the mean a value is.
source: PaST
Known synonyms
SD, sd, SD units, std dev, zscore
NOAA PaST Thesaurus term
standard deviation unit (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=536)
ug
Definition
a mass unit which is equal to one millionth of a gram or 1056 g (Credit: Units of measurement ontology).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
microgram (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=251)
ug/cm2/yr
Definition
a mass per area per time unit that is one millionth of a gram, or 1057 g, per one ten-thousandth of a square meter, or 1058 m59, per one year.
source: PaST
Known synonyms
ugcm-2yr-1
NOAA PaST Thesaurus term
microgram per square centimeter per year (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4400)
um
Definition
a length unit which is equal to one millionth of a meter or 1060 m (Credit: Units of measurement ontology).
source: PaST
Known synonyms
NOAA PaST Thesaurus term
micrometer (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=126)
umol/mol
Definition
a mole fraction unit that measures the number of micromoles, or 1061 mole, of one subcomponent of a sample relative to one mole of either another subcomponent or of the entire sample.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
micromole per mole (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2407)
year
Definition
a duration unit that is equal to 12 months which in science is taken to be equal to 365.25 days (Credit: Units of measurement ontology).
source: PaST