Subglacial water flow inferred from stream measurements at South Cascade Glacier, Washington, USA
Journal of Glaciology
By: A. G. Fountain
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Abstract
Comparisons of water discharge and cation load in each of the two main streams indicate that subglacial hydraulic processes differ between drainage basins. One stream drains from a conduit that is isolated in its lower reach from the surrounding subglacial region and receives water routed englacially from the surface. The upper reach of the conduit also receives water rounted englacially from the surface as well as from a distributed subglacial flow system. The other main stream drains from a conduit coupled to a debris layer beneath the glacier. Observations of the layer in natural ice tunnels indicate that the water may flow within a thin layer of debris. A one-dimensional model of flow through the debris layer can explain both the base-flow and diurnal variations of the second main stream. -from Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Subglacial water flow inferred from stream measurements at South Cascade Glacier, Washington, USA |
| Series title | Journal of Glaciology |
| Volume | 38 |
| Issue | 128 |
| Year Published | 1992 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Glaciology |
| First page | 51 |
| Last page | 64 |
| Google Analytic Metrics | Metrics page |