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| DOI | 10.1016/j.marpolbul.2020.111388 |
| Riparian erosion from cattle traffic may contribute up to 50% of the modelled streambank sediment supply in a large Great Barrier Reef river basin | |
| Packett R. | |
| 发表日期 | 2020 |
| ISSN | 0025326X |
| 卷号 | 158 |
| 英文摘要 | Great Barrier Reef (GBR) catchment management has been constrained by knowledge gaps regarding streambank erosion processes in grazing lands. To help reduce these uncertainties a remote sensing study using high-resolution imagery estimated sediment contributions from cattle traffic on streambanks of a GBR river basin. Results suggest cattle ramps and ramp trails may contribute up to 50% of the modelled streambank sediment supply. Once a suitable delivery ratio is applied, this estimated supply may contribute up to 30% of the modelled fine sediment exported from the Fitzroy River Basin. These findings may also offer a plausible explanation for the first-flush of high sediment concentration observed early in flood hydrographs. Overall, the results could help identify what proportion of currently modelled subsoil erosion is generated by riparian cattle traffic. Future studies applying similar methods could provide useful initial estimates of streambank ramp erosion from grazing land use in other GBR river basins. © 2020 Elsevier Ltd |
| 英文关键词 | Catchment; Erosion; Grazing; Modelling; Subsoil |
| 语种 | 英语 |
| scopus关键词 | Catchments; Erosion; Land use; Reefs; Remote sensing; Rivers; Sediments; Soils; Stream flow; Uncertainty analysis; Watersheds; Catchment management; Flood hydrographs; Great Barrier Reef; High resolution imagery; Initial estimate; Sediment concentration; Sediment supply; Streambank erosion; Banks (bodies of water); catchment; cattle; erosion; fluvial deposit; imagery; remote sensing; riparian zone; river basin; uncertainty analysis; animal experiment; article; flushing; nonhuman; rangeland; river basin; sediment; animal; bovine; environmental monitoring; flooding; river; sediment; Australia; Coral Sea; Fitzroy Basin; Great Barrier Reef; Queensland; Bos; Animals; Cattle; Environmental Monitoring; Floods; Geologic Sediments; Rivers |
| 来源期刊 | Marine Pollution Bulletin
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/148778 |
| 作者单位 | Department of Natural Resources, Mines and Energy, PO Box 1762, Rockhampton, Queensland 4700, Australia |
| 推荐引用方式 GB/T 7714 | Packett R.. Riparian erosion from cattle traffic may contribute up to 50% of the modelled streambank sediment supply in a large Great Barrier Reef river basin[J],2020,158. |
| APA | Packett R..(2020).Riparian erosion from cattle traffic may contribute up to 50% of the modelled streambank sediment supply in a large Great Barrier Reef river basin.Marine Pollution Bulletin,158. |
| MLA | Packett R.."Riparian erosion from cattle traffic may contribute up to 50% of the modelled streambank sediment supply in a large Great Barrier Reef river basin".Marine Pollution Bulletin 158(2020). |
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