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SWEET Ontology Realm Cryosphere

Metadata

URI
http://sweetontology.net/realmCryo
Version Information
3.6.0
Imports
http://sweetontology.net/humanResearch
http://sweetontology.net/matrWater
http://sweetontology.net/realm
http://sweetontology.net/rela
http://sweetontology.net/relaSpace
http://sweetontology.net/state
http://sweetontology.net/statePhysical
License
https://creativecommons.org/publicdomain/zero/1.0/
Ontology RDF
RDF (turtle)

Table of Contents

  1. Classes
  2. Object Properties
  3. Named Individuals
  4. Namespaces
  5. Legend

Classes

ablation zonec

URI http://sweetontology.net/realmCryo/AblationZone
Description

ub1bL56C36

Super-classes soreac:GlacialRegionc

accumulation zonec

URI http://sweetontology.net/realmCryo/AccumulationZone
Description

ub1bL71C40

Super-classes soreac:GlacialRegionc

alpine tundrac

URI http://sweetontology.net/realmCryo/AlpineTundra
Description

ub1bL85C36

Super-classes soreac:Tundrac

ice calfc

URI http://sweetontology.net/realmCryo/Calf
Description

ub1bL99C28

Super-classes somaw:Icec

congelation icec

URI http://sweetontology.net/realmCryo/CongelationIce
Description

ub1bL114C38

Super-classes somaw:Icec

drift icec

URI http://sweetontology.net/realmCryo/DriftIce
Description

Prior to approximately 2014, drift ice was synonymous with the various grades of pack ice, described as very open (with an ice concentration of 1/10 to 3/10), open (4/10 to 6/10, with many leads and polynyas and the floes generally not in contact with one another), close (7/10 to 8/10, composed of floes mostly in contact), very close (9/10 to less than 10/10), and compact (10/10, with no water visible, called consolidated pack ice if the floes are frozen together). This is deprecated, with pack ice now referring to drift ice with a concentration equal to or above 7/10; however, other usages are still common.

Super-classes soreac:SeaIcec
Sub-classes soreac:PackIcec

fast icec

URI http://sweetontology.net/realmCryo/FastIce
Description

ub1bL144C31

Super-classes soreac:SeaIcec

sea ice floec

URI http://sweetontology.net/realmCryo/Floe
Description

ub1bL158C28

Super-classes soreac:SeaIcec

frazil icec

URI http://sweetontology.net/realmCryo/FrazilIce
Description

Typically 3 to 4 millimeters in diameter. These new ice classes refer to both marine water and fresh water ice. If using this term for annotation, use it in conjunction with another envo term to express whether the ice is in a marine, freshwater, or other system.

Super-classes soreac:SeaIcec

frozen groundc

URI http://sweetontology.net/realmCryo/FrozenGround
Description

ub1bL192C36

Super-classes sorea:Landc
Restrictions sorel:hasStateop value sostp:Frozenc

glacial regionc

URI http://sweetontology.net/realmCryo/GlacialRegion
Super-classes sorea:PlanetaryRealmc
Sub-classes soreac:AblationZonec
soreac:AccumulationZonec
soreac:GlacierTerminusc

glacierc

URI http://sweetontology.net/realmCryo/Glacier
Description

ub1bL213C31

Super-classes somaw:Icec
Sub-classes soreac:IceSheetc

glacier terminusc

URI http://sweetontology.net/realmCryo/GlacierTerminus
Description

ub1bL228C39

Super-classes soreac:GlacialRegionc

ice basec

URI http://sweetontology.net/realmCryo/IceBase
Super-classes sorea:PlanetaryBoundaryc

ice capc

URI http://sweetontology.net/realmCryo/IceCap
Description

ub1bL248C30

Super-classes sorea:PlanetaryRealmc

ice corec

URI http://sweetontology.net/realmCryo/IceCore
Description

ub1bL267C31

Super-classes sorepsmo:Samplec
Restrictions sorelsp:insideop some somaw:Icec

ice fieldc

URI http://sweetontology.net/realmCryo/IceField
Description

ub1bL281C32

Super-classes soreac:SeaIcec

ice floec

URI http://sweetontology.net/realmCryo/IceFloe
Description

ub1bL293C31

ice sheetc

URI http://sweetontology.net/realmCryo/IceSheet
Description

ub1bL307C32

Super-classes soreac:Glacierc

ice shelfc

URI http://sweetontology.net/realmCryo/IceShelf
Description

An ice shelf may grow hundreds of miles out to sea. Usually of great horizontal extent and with a level or gently undulating surface. Nourished by annual snow accumulation and also by the seaward extension of land glaciers. Limited areas may be aground. Ice shelves are much thicker than sea ice often filling embayments in the coastline of an ice sheet.. Currently, nearly all ice shelves are in Antarctica, where most of the ice discharged into the ocean flows via ice shelves. The mass balance of an ice shelf may have significant components of both gain and loss at the base. The seaward edge is termed an ice front. The calving of an ice shelf forms tabular icebergs and ice islands.

Super-classes somaw:Icec

ice snow interfacec

URI http://sweetontology.net/realmCryo/IceSnowInterface
Super-classes sorea:PlanetaryBoundaryc

ice streamc

URI http://sweetontology.net/realmCryo/IceStream
Super-classes somaw:Icec

ice surfacec

URI http://sweetontology.net/realmCryo/IceSurface
Description

ub1bL348C34

Super-classes sorea:PlanetaryBoundaryc

icebergc

URI http://sweetontology.net/realmCryo/Iceberg
Description

The greater part of an iceberg's mass (4/5 to 8/9) is below sea level, which makes them dangerous to shipping in high and mid-latitude regions of the ocean. The top of an ice berg usually protrudes more than 5 m above water-level and typically extends from tens of meters to many tens of kilometres across. Icebergs may be described as tabular, dome-shaped, sloping, pinnacled, dry-docked, blocky, weathered or glacier bergs in addition to having a size qualifier. Icebergs are not sea ice, when they melt they add fresh water to the ocean. The unmodified term iceberg usually refers to the irregular masses of ice formed by the calving of glaciers along an orographically rough coast, whereas tabular icebergs and ice islands are calved from an ice shelf, while bergs formed from sea ice are called floebergs. In decreasing size, they are classified as: ice island (few thousand square meters to 500 km^2 in area); tabular iceberg; iceberg; bergy bit (less than 5 m above sea level, between 1 and 200 m^2 in area); and growler (less than 1 m above sea level, about 20 m^2 in area). Alaskan icebergs rarely exceed 500 feet in maximum dimension. Antarctic icebergs originate from the ice mass of the Antarctic continent that has accumulated over many thousands of years.

Super-classes soreac:LandIcec
Restrictions sorel:hasRealmop some sorea:Oceanc
Sub-classes soreac:TabularIcebergc

land icec

URI http://sweetontology.net/realmCryo/LandIce
Description

Land ice is any part of the Earth's seasonal or perennial ice cover that has formed over land as the result, principally, of the freezing of precipitation; opposed to sea ice formed by the freezing of seawater. Thus, an iceberg or tabular iceberg is land ice as well as its parent glacier, ice sheet, or ice shelf. The two major concentrations of land ice are the ice sheets of Greenland and Antarctica. Glaciers and ice caps are the other important forms; however, some members of the glaciology community hold that glaciers (i.e. rock glaciers) need not have any ice.

Super-classes somaw:Icec
Restrictions sorel:hasRealmop some sorea:Landc
Sub-classes soreac:Icebergc

leadc

URI http://sweetontology.net/realmCryo/Lead
Description

Generally, leads are wide enough (and deep enough) for navigation by surface vessels. The term is generally applied to linear features. If the open area is very large it may be called a polynya, although the application of these terms is under debate.

Super-classes soreac:SeaIcec

pack icec

URI http://sweetontology.net/realmCryo/PackIce
Description

ub1bL416C31

Super-classes soreac:DriftIcec

sea icec

URI http://sweetontology.net/realmCryo/SeaIce
Description

In the United States, NOAA sea ice operations does not include superstructure icing as being sea ice. In sea ice operations however, sea ice is any form of ice found at sea which has originated from the freezing of sea water. It presents the main kind of floating ice encountered at sea. Except where it forms ridges, sea ice is up to a few metres thick, in which respect it differs from shelf ice. Sea ice may be discontinuous pieces (ice floes) moved on the ocean surface by wind and currents (pack ice), or a motionless sheet attached to the coast (land-fast ice). In brief, it forms first as lolly ice (frazil crystals), thickens into sludge, and coagulates into sheet ice, pancake ice, or into floes of various shapes and sizes. Thereafter, sea ice may develop into pack ice and/or become a form of pressure ice. Sea ice less than one year old is called first-year ice. Perennial ice is sea ice that survives at least one summer. It may be subdivided into second-year ice and multi-year ice, where multiyear ice has survived at least two summers.

Super-classes somaw:Icec
Restrictions sorel:hasRealmop some sorea:Oceanc
Sub-classes soreac:Leadc
soreac:FastIcec
soreac:SeasonalIcec
soreac:DriftIcec
soreac:Floec
soreac:IceFieldc
soreac:FrazilIcec

seasonal icec

URI http://sweetontology.net/realmCryo/SeasonalIce
Description

ub1bL450C35

Super-classes soreac:SeaIcec

snoutc

URI http://sweetontology.net/realmCryo/Snout
Description

ub1bL463C29

tabular icebergc

URI http://sweetontology.net/realmCryo/TabularIceberg
Description

ub1bL478C38

Super-classes soreac:Icebergc

tundrac

URI http://sweetontology.net/realmCryo/Tundra
Description

ub1bL496C30

Super-classes sorea:Landc
Restrictions sorel:hasRealmop some soreac:FrozenGroundc
Sub-classes soreac:AlpineTundrac

Object Properties

hasRealmop

URI http://sweetontology.net/rela/hasRealm

hasStateop

URI http://sweetontology.net/rela/hasState

insideop

URI http://sweetontology.net/relaSpace/inside

Named Individuals

Frozenni

URI http://sweetontology.net/statePhysical/Frozen

Namespaces

dcterms
http://purl.org/dc/terms/
owl
http://www.w3.org/2002/07/owl#
prov
http://www.w3.org/ns/prov#
rdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs
http://www.w3.org/2000/01/rdf-schema#
sdo
https://schema.org/
skos
http://www.w3.org/2004/02/skos/core#
sohur
http://sweetontology.net/humanResearch/
somaw
http://sweetontology.net/matrWater/
sorea
http://sweetontology.net/realm/
soreac
http://sweetontology.net/realmCryo/
sorel
http://sweetontology.net/rela/
sorelsp
http://sweetontology.net/relaSpace/
sorepsmo
http://sweetontology.net/reprSciModel/
sostp
http://sweetontology.net/statePhysical/
xsd
http://www.w3.org/2001/XMLSchema#

Legend

cClasses
opObject Properties
fpFunctional Properties
dpData Properties
dpAnnotation Properties
pProperties
niNamed Individuals