Geomorphology and sediment regimes of intermittent rivers and ephemeral streams
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Abstract
The geomorphology and sediment regimes of intermittent rivers and ephemeral streams (IRES) are extremely diverse, owing in large part to the substantial spatiotemporal variability of the associated hydrological regimes. We describe the geomorphological character and sediment transport processes along IRES within the context of four geomorphological zones—upland, piedmont, lowland, and floodout—to illustrate the underpinning longitudinal trends of sediment production, transfer, and deposition that exist at the landscape scale. Many geomorphological features of IRES tend to be spatially discontinuous as a result of extended no or low-flow conditions that are punctuated by high-magnitude flood events. Diversity of geomorphology and sediment regimes both within and between the four geomorphological zones therefore promotes ecological processes and patterns in IRES that can be very distinct from perennial river systems.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Geomorphology and sediment regimes of intermittent rivers and ephemeral streams |
| Chapter | 2.1 |
| DOI | 10.1016/B978-0-12-803835-2.00002-4 |
| Year Published | 2017 |
| Language | English |
| Publisher | Academic Press |
| Contributing office(s) | Washington Water Science Center |
| Description | 29 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Monograph |
| Larger Work Title | Intermittent rivers and ephemeral streams: Ecology and management |
| First page | 21 |
| Last page | 49 |
| Google Analytic Metrics | Metrics page |