|
gptkbp:instanceOf
|
geological formation
|
|
gptkbp:affectedArea
|
gptkb:Idaho
gptkb:Montana
gptkb:Oregon
gptkb:Pacific_Northwest
Eastern Washington
|
|
gptkbp:alsoKnownAs
|
gptkb:Missoula_Floods
|
|
gptkbp:causedBy
|
gptkb:Glacial_Lake_Missoula
ice dam failure
|
|
gptkbp:createdFeature
|
gptkb:Channeled_Scablands
gptkb:Dry_Falls
gptkb:Lake_Lewis
gptkb:Palouse_Falls
Willamette Valley flood deposits
|
|
gptkbp:depositedMaterial
|
silt
gravel
boulders
|
|
gptkbp:duration
|
over 2,000 years
|
|
gptkbp:evidence
|
flood deposits
giant current ripples
scabland topography
erratics
|
|
gptkbp:hasInterpretiveTrail
|
gptkb:Ice_Age_Floods_National_Geologic_Trail
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Ice Age Floods
|
|
gptkbp:influenced
|
landscape of Pacific Northwest
|
|
gptkbp:influencedFormationOf
|
gptkb:Columbia_River_Gorge
gptkb:Willamette_Valley
gptkb:Drumheller_Channels
gptkb:Frenchman_Coulee
gptkb:Portland_Basin
gptkb:Sprague_Lake
gptkb:Telford-Crab_Creek_scabland
gptkb:Soap_Lake
gptkb:Saddle_Mountains
gptkb:Wallula_Gap
gptkb:Grand_Coulee
gptkb:Lake_Roosevelt
gptkb:Lake_Lewis
gptkb:Moses_Coulee
Lake Pend Oreille
|
|
gptkbp:largestFloodVolume
|
2,500 cubic kilometers
|
|
gptkbp:lastOccurred
|
about 13,000 years ago
|
|
gptkbp:maximumDepth
|
up to 120 meters
|
|
gptkbp:maximumSpeed
|
10 million cubic meters per second
|
|
gptkbp:maximumWaterSpeed
|
up to 80 km/h
|
|
gptkbp:numberOfEvents
|
dozens
|
|
gptkbp:occurredIn
|
gptkb:Pleistocene_epoch
|
|
gptkbp:proposedBy
|
gptkb:J_Harlen_Bretz
|
|
gptkbp:recognizedBy
|
geological community
|
|
gptkbp:relatedTo
|
gptkb:Glacial_Lake_Columbia
gptkb:Missoula_Ice_Dam
gptkb:Cordilleran_Ice_Sheet
gptkb:Glacial_Lake_Missoula
|
|
gptkbp:subjectOf
|
gptkb:Ice_Age_Floods_National_Geologic_Trail_Act
numerous scientific studies
|
|
gptkbp:yearProposed
|
1923
|
|
gptkbp:bfsParent
|
gptkb:Ice_Age_Floods_Playground
gptkb:Riverfront_Park_Ice_Age_Floods_Playground
|
|
gptkbp:bfsLayer
|
5
|