Unnamed: 0.1
int64
0
654
term
stringlengths
2
50
term_dictionary
stringlengths
2
50
link
stringlengths
7
128
source
stringclasses
8 values
term_wikidata
stringlengths
2
50
wikidata_item
stringlengths
33
41
wikidata_label
stringlengths
0
50
definition
stringlengths
1
739
wikidata_desc
stringlengths
0
244
wikidata_types
listlengths
0
5
wikidata_subclasses
listlengths
0
6
ro
stringclasses
2 values
wikidata_subclass
listlengths
0
5
Frequency
int64
12
1.86M
400
NWP
Nwp
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_6.html
ametsoc_g
NWP
http://www.wikidata.org/entity/Q837552
numerical weather prediction
no_definition
uses mathematical models of the atmosphere and oceans to predict the weather based on current weather conditions
[ "meteorology" ]
[]
r
[ "computer simulation", "numerical simulation" ]
8,796
401
observation
observation
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3067?rskey=Dr9JYz&result=1496
oxford_adow
observation
http://www.wikidata.org/entity/Q193181
observation
The record of the measurement or assessment of a particular meteorological variable obtained at a specific time. A *weather report... ...
active acquisition of information from a primary source
[ "field of study", " activity", " specialty" ]
[ "noticing" ]
r
[ "n" ]
161,770
402
observations
observations
https://huggingface.co/climatebert
climatebert_v
observations
http://www.wikidata.org/entity/Q193181
observation
no_definition
active acquisition of information from a primary source
[ "field of study", "specialty", "activity" ]
[]
r
[ "noticing" ]
363,108
403
occlusion
occlusion
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3069?rskey=Dr9JYz&result=1498
oxford_adow
occlusion
http://www.wikidata.org/entity/Q747330
occluded front
A *front that develops in the later stages of a *depression's lifetime, when the *cold front... ...
part of cyclone formation
[]
[ "relation" ]
r
[ "weather front" ]
3,383
404
Ocean
Ocean
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_6.html
ametsoc_g
Ocean
http://www.wikidata.org/entity/Q9430
ocean
no_definition
very large body of saline water
[]
[]
r
[ "body of water", "natural geographic object", "marine water body", "saline water body" ]
335,148
405
ocean acidification
ocean acidification
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
ocean acidification
http://www.wikidata.org/entity/Q855711
ocean acidification
The trend in the pH of the ocean to grow more acidic as a result of absorption of CO 2 emitted by humans.
climate change-induced decline of pH levels in the ocean
[]
[ "acidification", " environmental issue" ]
r
[ "n" ]
2,455
406
Oceanic Niño Index
Oceanic Niño Index
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-4203?rskey=8tvWOh&result=1501
oxford_adow
Oceanic Niño Index
http://www.wikidata.org/entity/Q117235275
Oceanic Nino Index
no_definition
indicator for monitoring El Niño and La Niña events
[ "environmental indicator" ]
[]
r
[]
325
407
ODP
ODP
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3074?rskey=8tvWOh&result=1505
oxford_adow
ODP
http://www.wikidata.org/entity/Q900522
ozone depletion potential
no_definition
relative amount of degradation to the ozone layer it can cause, with trichlorofluoromethane being fixed at an ODP of 1.0
[ "dimensionless quantity", "physical quantity" ]
[]
r
[]
1,049
408
ODS
ODS
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-4205?rskey=8tvWOh&result=1506
oxford_adow
ODS
http://www.wikidata.org/entity/Q16607840
ozone-depleting substance
no_definition
[]
[]
r
[]
1,947
409
olaparib
no_term_y
no_link
no_source
olaparib
http://www.wikidata.org/entity/Q7083106
olaparib
no_definition
chemical compound (cancer therapy drug)
[ "type of chemical entity" ]
[ "chemical compound" ]
r
[ "n" ]
360
410
ONI
ONI
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-4209?rskey=8tvWOh&result=1514
oxford_adow
ONI
http://www.wikidata.org/entity/Q117235275
Oceanic Nino Index
no_definition
indicator for monitoring El Niño and La Niña events
[ "environmental indicator" ]
[ "yōkai" ]
r
[]
2,264
411
orographic precipitation
orographic precipitation
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3088?rskey=CavC9P&result=1526
oxford_adow
orographic precipitation
http://www.wikidata.org/entity/Q11689358
orographic precipitation
*Precipitation that is caused by the uplift of humid air over an elevated barrier, such as a hill or mountain. When the ... ...
[]
[ "precipitation" ]
r
[ "n" ]
1,155
412
oscillation
oscillation
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3090?rskey=CavC9P&result=1529
oxford_adow
oscillation
http://www.wikidata.org/entity/Q170475
oscillation
The variation of a specific parameter above or below a mean value. In meteorology, the term is normally applied to large-scale phenomena that exhibit ... ...
repetitive variation of some measure about a central value
[]
[ "change" ]
r
[ "n" ]
55,187
413
overcast
OVERCAST
https://www.weather.gov/otx/Full_Weather_Glossary
weathergow_fwg
overcast
http://www.wikidata.org/entity/Q1055865
overcast
Sky condition when greater than 9/10 of the sky is covere.
meteorological condition
[ "cloud cover" ]
[]
r
[ "n" ]
3,472
414
oxidation
oxidation
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
oxidation
http://www.wikidata.org/entity/Q1786087
oxidation
A chemical reaction in which electrons are lost from an atom and its charge becomes more positive; also, the addition of oxygen to an element.
chemical reaction
[]
[ "half-reaction", " chemical reaction" ]
r
[ "n" ]
67,928
415
Oxygen
Oxygen
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_6.html
ametsoc_g
Oxygen
http://www.wikidata.org/entity/Q629
oxygen
no_definition
chemical element with symbol O and atomic number 8
[ "lithophile", "nonmetal", "chemical element" ]
[]
r
[ "oxidizing agent", "group 16" ]
101,342
416
ozone
ozone
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
ozone
http://www.wikidata.org/entity/Q36933
ozone
A triple molecule of oxygen (O 3 ) formed by the collision of cosmic particles with normal (O 2 ) oxygen. Ozone in the stratosphere blocks harmful ultraviolet radiation from the Sun.
chemical compound
[ "type of chemical entity", "simple substance", "allotrope of oxygen" ]
[]
r
[ "oxidizing agent" ]
136,774
417
ozone hole
ozone hole
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-1202?rskey=D3o1En&result=1544
oxford_adow
ozone hole
http://www.wikidata.org/entity/Q183140
ozone depletion
An area over the polar regions in which the *ozone layer is depleted or non-existent, particularly as a result of reactions involving chlorine (primarily derived from ... ...
stratospheric phenomena of Earth
[ "global issue", "hole", "physical process", "environmental issue" ]
[]
r
[]
1,789
418
ozone layer
ozone layer
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-1203?rskey=D3o1En&result=1545
oxford_adow
ozone layer
http://www.wikidata.org/entity/Q79995
ozone layer
The layer between 10 and 50 km that contains most atmospheric *ozone, with the greatest concentration at altitudes of 20–25 km. It absorbs most of the energy from ... ...
region of Earth's stratosphere that absorbs most of the Sun's UV radiation
[ "atmospheric layer" ]
[]
r
[ "n" ]
1,140
419
p300
no_term_y
no_link
no_source
p300
http://www.wikidata.org/entity/Q3136081
P300
no_definition
event-related potential
[ "Event-related potential" ]
[ "medical procedure" ]
r
[ "n" ]
5,367
420
p53
no_term_y
no_link
no_source
p53
http://www.wikidata.org/entity/Q14818098
TP53
no_definition
protein-coding gene in the species Homo sapiens
[ "gene" ]
[]
r
[ "protein-coding gene" ]
54,934
421
Pacific Decadal Oscillation
Pacific Decadal Oscillation
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-1206?rskey=D3o1En&result=1548
oxford_adow
Pacific Decadal Oscillation
http://www.wikidata.org/entity/Q2033747
Pacific decadal oscillation
An *oscillation in *sea-surface temperatures in the central northern Pacific Ocean and those in a narrow belt along the western coasts of North America. The ... ...
robust, recurring pattern of ocean-atmosphere climate variability centered over the mid-latitude Pacific basin
[ "meteorological phenomenon", " oscillation" ]
[]
r
[ "n" ]
2,729
422
Pan
Pan
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_6.html
ametsoc_g
Pan
http://www.wikidata.org/entity/Q3342203
peroxyacetyl nitrate
no_definition
chemical compound
[ "type of chemical entity" ]
[]
r
[ "organic peroxide" ]
21,840
423
pandemic
pandemic
https://huggingface.co/climatebert
climatebert_v
pandemic
http://www.wikidata.org/entity/Q12184
pandemic
no_definition
epidemic of infectious disease that has spread across a large region with global health impact
[]
[]
r
[ "epidemic", "systemic risk", "external risk" ]
13,809
424
PAR
Par
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_6.html
ametsoc_g
PAR
http://www.wikidata.org/entity/Q900892
photosynthetically active radiation
no_definition
range of light usable for photosynthesis
[ "wavelength" ]
[ "http://www.wikidata.org/entity/Q20926517", " http://www.wikidata.org/entity/Q51041800" ]
r
[]
16,651
425
Paris Agreement
Paris Agreement
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-4216?rskey=bCb79s&result=1564
oxford_adow
Paris Agreement
http://www.wikidata.org/entity/Q21707860
Paris Agreement
A major international agreement on *climate change signed in 2015 and ratified by 191 nations of the *Framework Convention on Climate Change... ...
international agreement from 12 December 2015 within the United Nations Framework Convention on Climate Change (UNFCCC) dealing with greenhouse gas emissions mitigation, adaptation and finance starting in the year 2020
[ "environmental protocol", " treaty" ]
[]
r
[ "n" ]
2,224
426
PBL
PBL
https://www.weather.gov/otx/Full_Weather_Glossary
weathergow_fwg
PBL
http://www.wikidata.org/entity/Q1757268
planetary boundary layer
Planetary Boundary Layer. The lowest level of the atmosphere where friction is an important force and vertical mixing is common.
lowest part of the atmosphere directly influenced by contact with the planetary surface
[]
[]
r
[ "layer" ]
19,113
427
PDO
PDO
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3117?rskey=bCb79s&result=1570
oxford_adow
PDO
http://www.wikidata.org/entity/Q2033747
Pacific decadal oscillation
no_definition
robust, recurring pattern of ocean-atmosphere climate variability centered over the mid-latitude Pacific basin
[ "meteorological phenomenon", "oscillation" ]
[]
r
[]
24,281
428
peat
peat
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
peat
http://www.wikidata.org/entity/Q184624
peat
A deposit of decayed carbon-rich plant remains in a wetland environment with little oxygen.
accumulation of partially decayed vegetation
[]
[ "biogenic sediment", " raw material", " fossil fuel" ]
r
[ "n" ]
17,278
429
percolation
percolation
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3122?rskey=bCb79s&result=1576
oxford_adow
percolation
http://www.wikidata.org/entity/Q1367555
percolation
The flow of water through the soil under the influence of gravity. ...
movement and filtering of fluids through porous materials
[]
[ "solid–liquid extraction" ]
r
[ "n" ]
6,432
430
period
period
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
period
http://www.wikidata.org/entity/Q2642727
period
The time interval between successive peaks or troughs in a series of regular wave forms.
smallest temporal unit after which a process repeats
[]
[ "class" ]
r
[ "physical quantity", "duration", "period" ]
597,095
431
Permafrost
permafrost
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3130?rskey=Zbiaba&result=1584
oxford_adow
Permafrost
http://www.wikidata.org/entity/Q179918
permafrost
A region of permanently frozen ground where summer heating is insufficient to counteract the low temperatures attained during winter. This occurs where the mean annual surface temperature is below approximately −5 °C, thus primarily in the polar regions, but also at high altitudes at lower latitudes. Permafrost is esti...
soil frozen permanently (practically for a duration of at least two years)
[ "soil type" ]
[ "soil", " geographical feature" ]
r
[ "n" ]
18,554
432
Persistence
Persistence
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_6.html
ametsoc_g
Persistence
http://www.wikidata.org/entity/Q922395
persistence
no_definition
in statistics, the nature of a temporal variable to retain its previous values
[ "mathematical concept" ]
[ "personality trait" ]
o
[]
36,162
433
PG
PG
https://www.weather.gov/otx/Full_Weather_Glossary
weathergow_fwg
PG
http://www.wikidata.org/entity/Q2414143
pressure gradient
Pressure gradient. Tightening pressure gradient indicates stronger winds.
a transition in the amount of pressure between two spatial locations
[]
[]
r
[ "spatial gradient" ]
22,305
434
Ph
Ph
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Ph
http://www.wikidata.org/entity/Q40936
pH
no_definition
measure of the acidity of an aqueous solution
[ "acidity function" ]
[ "chemical quantity", " logarithmic quantity" ]
r
[ "n" ]
237,393
435
phase change
phase change
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-4219?rskey=Zbiaba&result=1587
oxford_adow
phase change
http://www.wikidata.org/entity/Q185357
phase change
The change of material from one state to another, such as solid to liquid or liquid to vapour (or the reverse processes).... ...
transitions between solid, liquid and gaseous states of matter, and, in rare cases, plasma
[]
[ "change of state", " transformation", " threshold effect", " thermodynamic process path" ]
r
[ "n" ]
2,804
436
phenology
phenology
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3132?rskey=Zbiaba&result=1588
oxford_adow
phenology
http://www.wikidata.org/entity/Q272737
phenology
The study of the seasonal changes in the natural world, such as the times of first flowering of plants, the dates of the migration of birds, and similar phenomena, particularly as they are influenced by the weather and climate.... ...
study of periodic events in biological life cycles
[ "branch of biology", " academic discipline", " field of study", " specialty" ]
[ "biology" ]
r
[ "n" ]
17,445
437
photochemistry
photochemistry
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3133?rskey=Zbiaba&result=1589
oxford_adow
photochemistry
http://www.wikidata.org/entity/Q188651
photochemistry
The study of chemical reactions caused by visible light or *ultraviolet radiation. Significant photochemical processes occur both at high altitudes (in the ... ...
sub-discipline of chemistry
[ "branch of chemistry" ]
[ "physical chemistry" ]
r
[ "n" ]
4,152
438
photodissociation
photodissociation
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3134?rskey=Zbiaba&result=1590
oxford_adow
photodissociation
http://www.wikidata.org/entity/Q16814
photodissociation
The *dissociation of a molecule into two or more neutral molecules or atoms by the absorption of *ultraviolet radiation... ...
photochemical reaction where a molecule splits when absorbing photons
[]
[ "photochemical reaction", " dissociation", " chemical reaction" ]
r
[ "n" ]
1,262
439
photosynthesis
photosynthesis
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
photosynthesis
http://www.wikidata.org/entity/Q11982
photosynthesis
The process by which plants use nutri- ents and solar energy to convert water and CO 2 to plant tissue (carbohydrates) and thereby produce oxygen.
biological process to convert light into chemical energy
[ "biological process" ]
[ "cell metabolism" ]
r
[ "n" ]
29,134
440
photosynthetically active radiation
Photosynthetically active radiation
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
photosynthetically active radiation
http://www.wikidata.org/entity/Q900892
photosynthetically active radiation
no_definition
range of light usable for photosynthesis
[ "wavelength" ]
[]
r
[ "n" ]
2,060
441
phytoplankton
phytoplankton
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
phytoplankton
http://www.wikidata.org/entity/Q184755
phytoplankton
Small floating organisms (usually algae) that use energy from the Sun and nutrients from the water for photosynthesis.
autotrophic components of the plankton community
[ "organisms known by a particular common name" ]
[ "autotroph", " plankton" ]
r
[ "n" ]
27,616
442
planetary boundary layer
planetary boundary layer
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3150?rskey=4EoYrL&result=1610
oxford_adow
planetary boundary layer
http://www.wikidata.org/entity/Q1757268
planetary boundary layer
The layer of the atmosphere closest to the Earth's surface, within which the air is subject to *turbulence, friction effects, and surface heating. Typical depths are 500 m over the oceans and 1 500 m over the land. The planetary boundary layer may be considered as consisting of two subsidiary layers: the ... ...
lowest part of the atmosphere directly influenced by contact with the planetary surface
[]
[ "layer" ]
r
[ "n" ]
4,886
443
planetary scale
planetary scale
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3151?rskey=4EoYrL&result=1611
oxford_adow
planetary scale
http://www.wikidata.org/entity/Q124101881
global scale
A term applied to the very largest atmospheric phenomena, which are of the same general order as the planetary radius. Examples are the ... ...
pertaining to multiple continents
[ "spatial scale" ]
[]
o
[]
493
444
planetary wave
planetary wave
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3152?rskey=4EoYrL&result=1612
oxford_adow
planetary wave
http://www.wikidata.org/entity/Q1053589
Rossby wave
A wave whose wavelength is a significant fraction of a planet's radius. In the case of the Earth, such waves have wavelengths of thousands of kilometres. The term is also used in a more general sense for a ... ...
type of inertial wave in the atmospheres and oceans of planets that largely owe their properties to rotation of the planet
[ "progressive wave", "inertial wave" ]
[]
r
[]
3,860
445
plankton
plankton
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
plankton
http://www.wikidata.org/entity/Q25367
plankton
Organisms that float in the upper layers of oceans or lakes.
organisms that are in the water column and are incapable of swimming against current
[]
[ "organism" ]
r
[ "n" ]
4,897
446
Plasma
plasma
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3153?rskey=4EoYrL&result=1613
oxford_adow
Plasma
http://www.wikidata.org/entity/Q10251
plasma
Material in a hot, almost completely ionized state, and thus consisting of atomic nuclei and electrons. Often described as the fourth state of matter (after solids, liquids, and gases), because of its highly specific properties. It occurs (inter alia) throughout the Sun, as the ... ...
state of matter consisting of ionized gas
[ "classical state of matter", " fundamental state of matter" ]
[ "matter", " gas" ]
r
[ "n" ]
71,480
447
plate tectonics
plate tectonics
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3155?rskey=4EoYrL&result=1618
oxford_adow
plate tectonics
http://www.wikidata.org/entity/Q7950
plate tectonics
The concept that the Earth's *lithosphere consists of a number of distinct oceanic and continental plates, whose relative positions alter over the course of geological time, driven by motions in the deep interior. Variations in the location of the plates have been a major factor in ... ...
scientific theory that describes the large-scale motions of Earth's lithosphere
[ "theory" ]
[ "geotectonics" ]
r
[ "n" ]
302
448
Pliocene
Pliocene
https://agupubs.onlinelibrary.wiley.com/doi/book/10.1002/9781119548164
enso_cc
Pliocene
http://www.wikidata.org/entity/Q76259
Pliocene
the interval of geological time between ~2.6 and 5.3 million years ago.
epoch
[ "epoch", " series" ]
[]
r
[ "n" ]
2,768
449
PMC
Pmc
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
PMC
http://www.wikidata.org/entity/Q7209090
polar mesospheric cloud
no_definition
term for noctilucent clouds when viewed from space
[ "meteorological phenomenon" ]
[]
r
[ "noctilucent cloud" ]
5,008
450
polar vortex
polar vortex
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3177?rskey=1mSsno&result=1642
oxford_adow
polar vortex
http://www.wikidata.org/entity/Q1197111
polar vortex
A large-scale *cyclonic circulation that exists in the middle and upper *troposphere, centred over the polar regions, and which is particularly strong in winter. The southern polar vortex isolates the polar region in winter, and is largely responsible for the severity of the southern ... ...
persistent cold-core low-pressure area that circles one of the poles
[]
[ "cyclone", " mountain-gap wind" ]
r
[ "n" ]
10,591
451
pollen analysis
pollen analysis
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3181?rskey=1mSsno&result=1646
oxford_adow
pollen analysis
http://www.wikidata.org/entity/Q2737544
pollen analysis
The determination of the plant species present at a particular past epoch from the examination of the pollen recovered from suitable deposits, such as peat. Because individual species have specific growing requirements, detailed information about past climate may be obtained. ... ...
[]
[ "analytical technique" ]
r
[ "n" ]
153
452
pollution
pollution
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3183?rskey=1mSsno&result=1648
oxford_adow
pollution
http://www.wikidata.org/entity/Q58734
pollution
*Aerosols, gases, or particulates that occur in the *atmosphere at a concentration that is a threat to the health of living things, or which change atmospheric conditions from those prevailing in pre-industrial times. (Similar criteria also apply to substances that occur in the ... ...
introduction of contaminants into the natural environment that cause adverse change
[]
[]
r
[ "environmental issue", "externality", "unintended consequences" ]
122,509
453
POP
POP
https://www.weather.gov/otx/Full_Weather_Glossary
weathergow_fwg
POP
http://www.wikidata.org/entity/Q1564294
Probability of precipitation
Probability of Precipitation. This is the chance the NWS gives to precipitation across there forecast region. It may also refer to the POP a forecast model is predicting.
chance of rain
[]
[]
r
[ "probability" ]
3,763
454
POPS
POPS
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3187?rskey=1mSsno&result=1652
oxford_adow
POPS
http://www.wikidata.org/entity/Q912951
persistent organic pollutant
no_definition
organic compound resistant to environmental degradation through chemical, biological, and photolytic processes
[]
[]
o
[ "pollutant" ]
1,543
455
potential temperature
potential temperature
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3190?rskey=1mSsno&result=1655
oxford_adow
potential temperature
http://www.wikidata.org/entity/Q760765
potential temperature
The temperature that a parcel of air would assume if it were brought at the *dry adiabatic lapse rate... ...
temperature that a fluid would attain if adiabatically brought to a standard reference pressure
[]
[ "temperature" ]
r
[ "n" ]
12,727
456
Power
Power
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Power
http://www.wikidata.org/entity/Q25342
power
no_definition
rate at which energy is transferred, used, or transformed
[]
[]
r
[ "physical quantity", "scalar quantity", "power quantity" ]
365,343
457
power spectrum
power spectrum
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
power spectrum
http://www.wikidata.org/entity/Q1331626
spectral density
A graphic display of the distribution of power (the square of wave amplitude) against the period (or frequency) of each cycle present in a signal.
relative importance of certain frequencies in a composite signal
[]
[]
r
[ "function", "spectrum" ]
4,611
458
Prairie
Prairie
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Prairie
http://www.wikidata.org/entity/Q194281
prairie
no_definition
ecosystems considered part of the temperate grasslands, savannas, and shrublands biome
[]
[ "temperate grasslands", " savannas", " and shrublands" ]
r
[ "n" ]
6,414
459
precipitable water
precipitable water
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3192?rskey=1mSsno&result=1659
oxford_adow
precipitable water
http://www.wikidata.org/entity/Q778526
Precipitable water
The amount of water vapour in a column of air (of unit cross-section) between two specified levels. The quantity may be expressed in terms of either the depth of water that would be obtained if all of the vapour could be condensed, or its mass. Although a theoretical concept, it is a useful measure of the amount of wat...
meteorological measure of the amount of water in the atmosphere
[]
[]
r
[ "n" ]
5,742
460
precipitation
precipitation
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3193?rskey=1mSsno&result=1660
oxford_adow
precipitation
http://www.wikidata.org/entity/Q25257
precipitation
Water in either liquid or solid form that is derived from the atmosphere and falls to the surface. It thus includes ... ...
liquid or solid water that falls to the ground
[ "type of meteorological phenomenon" ]
[ "hydrometeor" ]
r
[ "n" ]
772,605
461
pressure
pressure
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3196?rskey=EZwB9n&result=1663
oxford_adow
pressure
http://www.wikidata.org/entity/Q39552
pressure
The force exerted on unit area by a mass subjected to some acceleration. In meteorology, generally taken to be the force exerted by the (hypothetical) column of air extending from the surface to the outer limit of the atmosphere and subject to the Earth's gravitational attraction. Measured by a ... ...
force applied over an area
[]
[]
r
[ "physical quantity", "scalar quantity", "intensive quantity", "ISQ derived quantity", "areal quantity" ]
304,875
462
pressure jump
pressure jump
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3199?rskey=EZwB9n&result=1669
oxford_adow
pressure jump
http://www.wikidata.org/entity/Q7241727
pressure jump
A sudden increase in atmospheric *pressure, usually amounting to several hPa, which may accompany a *line squall, *... ...
[]
[]
r
[ "n" ]
108
463
probability
probability
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3205?rskey=EZwB9n&result=1672
oxford_adow
probability
http://www.wikidata.org/entity/Q9492
probability
A numerical value given to the expectation that a particular event will occur. Although in scientific usage it is normally reckoned on a scale of 0 (for impossibility) to 1 (certainty), in forecasts to the general public, probability is usually specified as a percentage, 100 per cent being certainty.... ...
measure of the expectation that an event will occur or a statement is true
[ "probability measure" ]
[ "possibility", " mathematical object", " dimensionless quantity" ]
r
[ "n" ]
158,667
464
Probe
Probe
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Probe
http://www.wikidata.org/entity/Q96093522
probe
no_definition
tool that is inserted to explore
[]
[ "squeeze tube" ]
o
[ "physical tool", "equipment" ]
59,052
465
productivity
productivity
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
productivity
http://www.wikidata.org/entity/Q3289687
productivity
The amount of organic matter synthesized by organisms from inorganic substances per unit of area per unit of time.
rate of generation of biomass in an ecosystem
[ "term" ]
[ "ratio" ]
r
[ "ecological efficiency" ]
66,615
466
PSC
Psc
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
PSC
http://www.wikidata.org/entity/Q216417
polar stratospheric cloud
no_definition
clouds occurring in the stratosphere in high-latitude regions
[]
[]
r
[ "cloud" ]
6,463
467
pseudoboehmite
no_term_y
no_link
no_source
pseudoboehmite
http://www.wikidata.org/entity/Q2115715
Pseudoboehmite
no_definition
[]
[]
r
[ "n" ]
67
468
QuikSCAT
QuikSCAT
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-4231?rskey=lsvQ9d&result=1695
oxford_adow
QuikSCAT
http://www.wikidata.org/entity/Q1734511
QuikSCAT
A satellite launched in June 1999 carrying the SeaWinds scatterometer, with the primary mission of determining the surface wind speed and direction over ice-free oceanic waters. The mission had a nominal three-year lifetime but returned useful data until it suffered a mechanical failure in November 2009.... ...
earth observation satellite carrying the SeaWinds scatterometer to measure the surface wind speed and direction over the ice-free global oceans
[ "Earth observation satellite" ]
[]
r
[ "n" ]
1,937
469
Radiance
Radiance
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Radiance
http://www.wikidata.org/entity/Q1411145
radiance
no_definition
areal density of radiant intensity in a given direction
[]
[ "radiometric quantity", " physical quantity" ]
r
[ "n" ]
13,733
470
radiation
radiation
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
radiation
http://www.wikidata.org/entity/Q18335
radiation
Electromagnetic energy that drives Earth’s cli- mate system. Ultraviolet and visible radiation emitted by the Sun affects climate on Earth, which emits infrared back radiation to space.
waves or particles propagating through space or through a medium, carrying energy
[]
[ "energy transfer process", " heat transfer" ]
r
[ "n" ]
178,900
471
radiative forcing
Radiative forcing
https://ggweather.com/met10/Glossary.pdf
essen_meteo
radiative forcing
http://www.wikidata.org/entity/Q1463606
radiative forcing
An increase (positive) or a decrease (negative) in net radiant energy observed over an area at the tropopause. An increase in radiative forcing may induce surface warming, whereas a decrease may induce surface cooling.
the difference between the incoming radiation energy and the outgoing radiation energy in a given climate system
[]
[ "physical quantity" ]
r
[ "n" ]
23,347
472
radioactivity
radioactivity
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3239?rskey=XyxhTg&result=1709
oxford_adow
radioactivity
http://www.wikidata.org/entity/Q11448
radioactivity
The spontaneous fission of the nuclei of certain unstable (radioactive) elements or *isotopes into more stable configurations, which gives rise to daughter elements or isotopes. In certain cases, these products may themselves be radioactive, and subsequently decay, the process eventually ending with a stable element or...
process by which an unstable atom emits radiation
[]
[]
r
[ "physical phenomenon", "physical process" ]
3,879
473
radiosonde
radiosonde
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3242?rskey=XyxhTg&result=1712
oxford_adow
radiosonde
http://www.wikidata.org/entity/Q852817
radiosonde
An instrumented package, carried aloft by a balloon, that returns observations to a ground station by radio telemetry. In the most common form, ... ...
meteorological instrumentation
[ "meteorological instrument" ]
[]
r
[ "n" ]
14,589
474
radon
radon
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3245?rskey=XyxhTg&result=1714
oxford_adow
radon
http://www.wikidata.org/entity/Q1133
radon
A radioactive *inert gas, atomic number 86, the decay product of radium. The most stable *isotope, radon-222, has a half-life of 3.825 days. Relatively high concentrations of radon may occur in mines and inside buildings built above certain rocks, such as granite. This is regarded as a health hazard requiring remedial ...
chemical element with the atomic number of 86
[ "gas", " chemical element" ]
[]
r
[ "n" ]
9,263
475
rain
rain
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3832?rskey=XyxhTg&result=1716
oxford_adow
rain
http://www.wikidata.org/entity/Q7925
rain
Liquid *precipitation in the form of drops that are larger than 500 μm (0.5 mm) in diameter, smaller drops being classed as ... ...
liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated
[ "type of meteorological phenomenon" ]
[]
r
[ "precipitation" ]
112,331
476
rain gauge
rain gauge
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3254?rskey=u97uAr&result=1724
oxford_adow
rain gauge
http://www.wikidata.org/entity/Q190052
rain gauge
An instrument for determining the depth of *precipitation that occurs over unit area. It may be designed as a simple passive collector—when the amount of precipitation is determined by use of a graduated measuring glass—or as a recording device, generally a ... ...
meteorological instrumentation
[]
[ "meteorological instrument" ]
r
[ "n" ]
10,432
477
rainfall
rainfall
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3251?rskey=u97uAr&result=1722
oxford_adow
rainfall
http://www.wikidata.org/entity/Q7925
rain
For *synoptic purposes, rainfall is defined as the total amount of liquid-water equivalent of all forms of *precipitation... ...
liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated
[ "type of meteorological phenomenon" ]
[]
r
[ "precipitation" ]
423,591
478
rainy season
rainy season
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3257?rskey=u97uAr&result=1727
oxford_adow
rainy season
http://www.wikidata.org/entity/Q3117517
wet season
The period of the year in certain tropical and subtropical climatic regions during which precipitation is a maximum; distinct from a ... ...
yearly period of high rainfall, especially in the tropics
[]
[]
r
[ "season" ]
16,675
479
recombination
recombination
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3267?rskey=u97uAr&result=1736
oxford_adow
recombination
http://www.wikidata.org/entity/Q3373825
recombination
Any process by which positive and negative ions, or positive ions and electrons, combine to give a neutral element or compound. In the atmosphere, such processes are significant in, for example, the night-time ... ...
epoch at which charged electrons and protons first became bound to form electrically neutral hydrogen atoms
[ "cosmological epoch", " epoch" ]
[]
r
[ "n" ]
40,220
480
reconstruction
reconstruction
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
reconstruction
http://www.wikidata.org/entity/Q116146313
palaeoclimate reconstruction
A simulation run with a climate model by altering several boundary conditions in an effort to reproduce a climate that existed at some time in the past.
systematic deduction of climatic conditions in the distant past
[ "academic discipline" ]
[]
r
[]
36,009
481
red beds
red beds
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
red beds
http://www.wikidata.org/entity/Q2065586
red beds
Sediments or rocks with a red color caused by the oxidation of iron (similar to rust).
sedimentary rocks with ferric oxides
[]
[ "sedimentary rock" ]
r
[ "n" ]
63
482
reflection
reflection
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3269?rskey=u97uAr&result=1740
oxford_adow
reflection
http://www.wikidata.org/entity/Q165939
reflection
The process by which all or a portion of incident radiation is returned in the general direction of the source, the exact amount being dependent on the wavelength of the radiation, the nature of the reflecting surface, and the angle of incidence. The majority of natural surfaces will give rise to ... ...
change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated
[]
[ "surface phenomenon", " optical phenomenon" ]
r
[ "n" ]
18,812
483
refraction
refraction
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3270?rskey=kunkiu&result=1741
oxford_adow
refraction
http://www.wikidata.org/entity/Q72277
refraction
The deviation of light or other electromagnetic radiation from its original path on passing from one medium to another. It is usually accompanied by dispersion, which, in the case of light, gives rise to the colours of the spectrum. Refraction is a significant factor in atmospheric optics, particularly in the various ....
in physics, the change in direction of a wave at the interface between two media
[]
[ "surface phenomenon" ]
r
[ "n" ]
3,624
484
relative humidity
relative humidity
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3274?rskey=kunkiu&result=1746
oxford_adow
relative humidity
http://www.wikidata.org/entity/Q2499617
relative humidity
The ratio of the actual *vapour pressure to the *saturation vapour pressure with respect to water at the same temperature. This value is generally expressed as a percentage.... ...
ratio of the partial pressure of water vapor in humid air to the equilibrium vapor pressure of water at a given temperature
[]
[ "ratio", " dimensionless quantity" ]
r
[ "n" ]
46,154
485
remote sensing
remote sensing
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3275?rskey=kunkiu&result=1747
oxford_adow
remote sensing
http://www.wikidata.org/entity/Q199687
remote sensing
The measurement of a property or a phenomenon by instrumentation that is situated at a distance and not in direct physical contact with the object of study. In meteorology, the instrumentation may be carried by an aircraft or ... ...
acquisition of information about an object or phenomenon without making physical contact with the object, especially the Earth
[ "branch of science" ]
[ "gathering of information" ]
r
[ "n" ]
35,667
486
residence time
residence time
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
residence time
http://www.wikidata.org/entity/Q177453
residence time
The average amount of time a tracer of any substance spends in a reservoir.
technical process
[]
[ "time" ]
r
[ "n" ]
11,642
487
resolution
resolution
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
resolution
http://www.wikidata.org/entity/Q3937033
resolution
The degree of detail detected in a climate sig- nal by sampling at a particular interval.
smallest change in the underlying physical quantity that the measurement system can detect
[ "quality" ]
[]
r
[ "metadata" ]
302,930
488
response time
response time
https://www.macmillanlearning.com/college/us/product/Earths-Climate/p/1429255250
ec_pf3
response time
http://www.wikidata.org/entity/Q578372
response time
The time required for a climatic response to move a defined fraction of the way from its existing value to the value it would hold at its full equilibrium response.
in technology, the time a system or unit takes to react to a given input
[]
[ "computer performance" ]
r
[ "n" ]
4,467
489
return period
return period
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3281?rskey=kunkiu&result=1753
oxford_adow
return period
http://www.wikidata.org/entity/Q2627230
return period
A statistical measure of the average interval between occurrences of a particular phenomenon, such as a flood of a given magnitude, a devastating storm, an exceptionally heavy snowfall, etc.... ...
scientific concept
[]
[]
r
[ "n" ]
10,221
490
Rocky Mountains
Rocky Mountains
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3295?rskey=iHa1zy&result=1769
oxford_adow
Rocky Mountains
http://www.wikidata.org/entity/Q5463
Rocky Mountains
The principal topographic barrier to the westerly *zonal flow in the northern hemisphere, responsible for the location of the major trough in the ... ...
major mountain range in western North America
[ "non-geologically related mountain range" ]
[]
r
[]
3,135
491
rotor
rotor
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3301?rskey=iHa1zy&result=1776
oxford_adow
rotor
http://www.wikidata.org/entity/Q11998503
rotor
A closed, vertical circulation that develops in the lee of high mountain barriers, or in the valley between two mountain ranges, when conditions are appropriate. A form of ... ...
weather phenomenon
[]
[ "rotor" ]
r
[ "wind" ]
24,038
492
Runoff
Runoff
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Runoff
http://www.wikidata.org/entity/Q66486514
runoff
no_definition
running of rainfall, melted snow, irrigation water, fertilizer or pesticides over land and into rivers or sewers
[]
[]
r
[ "drainage" ]
147,941
493
SAF
SAF
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3304?rskey=iHa1zy&result=1779
oxford_adow
SAF
http://www.wikidata.org/entity/Q7649638
sustainable aviation fuel
no_definition
aviation fuel from non-fossile raw material
[]
[]
r
[ "biofuel", "aviation fuel" ]
3,464
494
Sahel
Sahel
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Sahel
http://www.wikidata.org/entity/Q66065
Sahel
no_definition
ecoclimatic and biogeographic transition zone in Africa
[ "geographic region" ]
[]
r
[ "n" ]
14,406
495
salinity
salinity
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3309?rskey=tOWSzC&result=1782
oxford_adow
salinity
http://www.wikidata.org/entity/Q179615
salinity
The amount of inorganic salts dissolved in water, i.e. the number of grams per kilogram of water. Generally given as parts per thousand (per mille, ‰). Although it varies to a certain extent, the average salinity of sea-water is 34.7 parts per thousand. ... ...
saltiness or amount of salt dissolved in a body of water
[ "physical property" ]
[ "dimensionless quantity" ]
r
[ "n" ]
63,146
496
Sample
Sample
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_7.html
ametsoc_g
Sample
http://www.wikidata.org/entity/Q485146
sample
no_definition
limited quantity of material which is intended to be similar to and represent a larger amount of that material
[ "type of physical object by use" ]
[ "object of analysis", " part", " physical object" ]
r
[ "n" ]
289,046
497
SAR
Sar
https://glossary.ametsoc.org/wiki/Category:Terms[PAGE_INFO]glossary_ametsoc_org_8.html
ametsoc_g
SAR
http://www.wikidata.org/entity/Q740686
synthetic aperture radar
no_definition
form of radar which is used to create images of an object
[]
[]
r
[ "scientific instrument", "radar", "technique" ]
10,196
498
savanna
savanna
https://www.oxfordreference.com/display/10.1093/acref/9780191988356.001.0001/acref-9780191988356-e-3322?rskey=tOWSzC&result=1795
oxford_adow
savanna
http://www.wikidata.org/entity/Q42320
savanna
A subtropical or tropical region consisting of open grassland with drought-resistant trees and shrubs. The climatic regime is type A in the ... ...
mixed woodland-grassland ecosystem
[ "biome" ]
[]
r
[ "ecosystem" ]
6,817
499
savannas
no_term_y
no_link
no_source
savannas
http://www.wikidata.org/entity/Q42320
savanna
no_definition
mixed woodland-grassland ecosystem
[ "biome" ]
[ "Volta–Congo" ]
r
[ "ecosystem" ]
3,174