Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:measurement_scale
|
| gptkbp:alternativeTo |
gptkb:Wentworth_scale
|
| gptkbp:appliesTo |
sedimentary particles
|
| gptkbp:D0 |
1 mm
|
| gptkbp:field |
sedimentology
|
| gptkbp:form |
phi = -log2(d/D0)
|
| gptkbp:hasUnit |
phi units
|
| gptkbp:introduced |
gptkb:W._C._Krumbein
|
| gptkbp:introducedIn |
1934
|
| gptkbp:usedFor |
measuring grain size
|
| gptkbp:bfsParent |
gptkb:Justus_F._Krumbein
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Krumbein phi scale
|