interpretation_variable
The phenomenon that drove variability in this measured or inferred variable at the column level
C3C4Ratio
Definition
TBD
source: TBD
Known synonyms
composition C3-C4 plants
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
circulationIndex
Definition
a circulation variable that describes or quantifies a climate pattern with identifiable characteristics, specific regional effects, and often oscillatory behavior (Credit: Wikipedia).
source: PaST
Known synonyms
MODE, NAO index
NOAA PaST Thesaurus term
circulation index (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2270)
circulationVariable
Definition
an earth system variable that describes or quantifies motion and related properties in the atmosphere or ocean.
source: PaST
Known synonyms
changes in monsoon intensity., circulation, Circulation
NOAA PaST Thesaurus term
circulation variable (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4885)
dissolvedOxygen
Definition
the amount of gaseous oxygen dissolved in water.
source: PaST
Known synonyms
suboxia
NOAA PaST Thesaurus term
dissolved oxygen (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4766)
dust
Definition
a bulk geological material that consists of organic or inorganic particles of typically clay and silt size that are transportable by wind.
source: PaST
Known synonyms
DUST
ELA
Definition
a cryospheric quantity that is the elevation at which the mass balance of an ice sheet or glacier is zero over the year, that is where ablation equals accumulation.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
equilibrium line altitude (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2303)
evaporation
Definition
the hydroclimatic rate of water transfer to the atmosphere from soil, waterbodies, and canopy interception, excluding transpiration from plants.
source: PaST
Known synonyms
Evaporation
NOAA PaST Thesaurus term
evaporation (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4733)
fire
Definition
a data type that includes measurements made to deduce the past history of fire, whether from tree rings, sediment, or other natural archives.
source: PaST
Known synonyms
FIRE
NOAA PaST Thesaurus term
fire history (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=115)
growingDegreeDays
Definition
a temperature index that integrates warmth above a base temperature (usually 10 degrees Celsius) through time.
source: PaST
Known synonyms
GDD
NOAA PaST Thesaurus term
growing degree days (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1386)
hydrologicBalance
Definition
TBD
source: TBD
Known synonyms
GW-E, I_E, Hydrology
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
lakeWaterIsotope
Definition
TBD
source: TBD
Known synonyms
lake water and precipitation d2H, lake water d18O, lake water d2H, Liso
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
meltwater
Definition
the ice mass loss from a glacier, ice-cap, ice-sheet, or ice-shelf through phase transformation to liquid water.
source: PaST
Known synonyms
Meltwater
NOAA PaST Thesaurus term
ice melt (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4951)
needsToBeReplaced
Definition
TBD
source: TBD
Known synonyms
anoxia, Carbonate_ion_concentration, export-productivity, GDGT, mixed, Mixed, precipitation d2H + evap, T+ELA, plant community composition, Liso/P-E, organic matter source
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
P-E
Definition
the hydroclimate rate that is the difference in rate between precipitation and evaporation at the earth’s surface.
source: PaST
Known synonyms
Effective Moisture, M, P_E, P=E
NOAA PaST Thesaurus term
precipitation minus evaporation (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2312)
precipitation
Definition
the hydroclimatic rate of rain, snow, sleet or hail that falls to the ground.
source: PaST
Known synonyms
Pmax, Pmin, P, P_amount
NOAA PaST Thesaurus term
precipitation (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=560)
precipitationDeuteriumExcess
Definition
TBD
source: TBD
Known synonyms
precipitation d-excess
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
precipitationIsotope
Definition
TBD
source: TBD
Known synonyms
dD, d18O of precipitation, P_isotope, PISO, precipitation d18O, precipitation d2H, Precipitation Isotope, Source
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
productivity
Definition
an ecosystem process variable that quantifies the rate of generation of biomass in an ecosystem.
source: PaST
Known synonyms
Algal productivity
NOAA PaST Thesaurus term
productivity (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3293)
relativeHumidity
Definition
the hydroclimate ratio of water vapor present in air to the amount of water needed to achieve saturation at the local temperature.
source: PaST
Known synonyms
RH
NOAA PaST Thesaurus term
relative humidity (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2314)
salinity
Definition
a solution property that is the amount of salt dissolved in a body of water.
source: PaST
Known synonyms
S, SSS
NOAA PaST Thesaurus term
salinity (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4396)
seaIce
Definition
a cryospheric quantity that is a measure of the extent to which the ocean surface is covered by sea ice.
source: PaST
Known synonyms
ICE
NOAA PaST Thesaurus term
sea ice cover (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=2317)
seasonality
Definition
the specific part of the annual cycle explicitly reconstructed from raw values.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
seasonality (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=5)
seawaterIsotope
Definition
TBD
source: TBD
Known synonyms
seawater_isotope
NOAA PaST Thesaurus term
This concept doesn’t exist on PaST
streamflow
Definition
the hydroclimatic rate of flow of water in streams, rivers, and other channels.
source: PaST
Known synonyms
Q
NOAA PaST Thesaurus term
streamflow (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=1396)
sunlight
Definition
a forcing variable that is the radiation from the sun integrated over the whole electromagnetic spectrum and over the entire solar disk. The quantity applies outside the atmosphere, by default at a distance of one astronomical unit from the sun.
source: PaST
Known synonyms
SUN
NOAA PaST Thesaurus term
solar irradiance (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4376)
surfacePressure
Definition
a pressure variable that is the atmospheric pressure at the earth’s surface at a given location and time.
source: PaST
Known synonyms
surface pressure
NOAA PaST Thesaurus term
surface pressure (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4720)
temperature
Definition
the mean temperature over a particular time period.
source: PaST
Known synonyms
SST, subT, Surface water temp, T, T_air, T_water, Temperature_water, lake water temperature
NOAA PaST Thesaurus term
temperature (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4067)
upwelling
Definition
a circulation index that is a measure of the volume of water upwelling in the ocean.
source: PaST
Known synonyms
NOAA PaST Thesaurus term
Upwelling Index (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=4771)
windSpeed
Definition
a velocity variable that is the velocity of wind at some height in the atmosphere.
source: PaST
Known synonyms
W
NOAA PaST Thesaurus term
wind speed (https://www.ncei.noaa.gov/access/paleo-search/cvterms?termId=3413)