Catchment properties controlling suspended sediment transport in wind-water erosion crisscross region
Study region: Wuding River catchment, the wind-water erosion crisscross region on the Chinese Loess Plateau. Study focus: The wind-water erosion crisscross region suffers severe soil erosion in the world, and various catchment properties control fluvial processes. This study investigated suspended s...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2022-02-01
|
| Series: | Journal of Hydrology: Regional Studies |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214581821002093 |
| _version_ | 1819282596219060224 |
|---|---|
| author | Tongge Jing Nufang Fang Yi Zeng Xuan Huang Zhihua Shi |
| author_facet | Tongge Jing Nufang Fang Yi Zeng Xuan Huang Zhihua Shi |
| author_sort | Tongge Jing |
| collection | DOAJ |
| description | Study region: Wuding River catchment, the wind-water erosion crisscross region on the Chinese Loess Plateau. Study focus: The wind-water erosion crisscross region suffers severe soil erosion in the world, and various catchment properties control fluvial processes. This study investigated suspended sediment (SS) transport characteristics in a typical catchment with two geomorphological types (aeolian sand and loess hilly). Lorenz curves and partial least-squares regression were used to quantify the SS transport characteristics and attributions. New hydrological insights for the region: There were significant differences in the SS transport characteristics between the two geomorphological regions. In the aeolian sand region, the mean annual SS loads were much lower than that in the loess hilly region (P < 0.01) under similar precipitation and runoff conditions. Rivers in this region transported SS all year round. The relatively lower concentration indicated that extreme events did not dominate total SS load. Conversely, SS transport in the loess hilly region was highly concentrated during a few events in rainy season, with the largest 10% of the events transporting exceed 80% of the total SS load. Statistical analysis showed that drainage density, catchment slope, and soil texture were the dominant factors controlling SS load, while the concentration of SS transport events was more related to the perimeter-area fractal. These findings have important implications for fluvial sediment transport in arid and semi-arid environments. |
| first_indexed | 2024-12-24T01:18:06Z |
| format | Article |
| id | doaj.art-319c008e2e0846e5b1f751f7af20c410 |
| institution | Directory Open Access Journal |
| issn | 2214-5818 |
| language | English |
| last_indexed | 2024-12-24T01:18:06Z |
| publishDate | 2022-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Hydrology: Regional Studies |
| spelling | doaj.art-319c008e2e0846e5b1f751f7af20c4102022-12-21T17:22:42ZengElsevierJournal of Hydrology: Regional Studies2214-58182022-02-0139100980Catchment properties controlling suspended sediment transport in wind-water erosion crisscross regionTongge Jing0Nufang Fang1Yi Zeng2Xuan Huang3Zhihua Shi4State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR China; Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR ChinaState Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR China; Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR China; Corresponding author at: State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR China.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR China; Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing Province 210098, PR ChinaInstitute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, 26 Xinong Road, Yangling, Shaanxi Province 712100, PR China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR ChinaStudy region: Wuding River catchment, the wind-water erosion crisscross region on the Chinese Loess Plateau. Study focus: The wind-water erosion crisscross region suffers severe soil erosion in the world, and various catchment properties control fluvial processes. This study investigated suspended sediment (SS) transport characteristics in a typical catchment with two geomorphological types (aeolian sand and loess hilly). Lorenz curves and partial least-squares regression were used to quantify the SS transport characteristics and attributions. New hydrological insights for the region: There were significant differences in the SS transport characteristics between the two geomorphological regions. In the aeolian sand region, the mean annual SS loads were much lower than that in the loess hilly region (P < 0.01) under similar precipitation and runoff conditions. Rivers in this region transported SS all year round. The relatively lower concentration indicated that extreme events did not dominate total SS load. Conversely, SS transport in the loess hilly region was highly concentrated during a few events in rainy season, with the largest 10% of the events transporting exceed 80% of the total SS load. Statistical analysis showed that drainage density, catchment slope, and soil texture were the dominant factors controlling SS load, while the concentration of SS transport events was more related to the perimeter-area fractal. These findings have important implications for fluvial sediment transport in arid and semi-arid environments.http://www.sciencedirect.com/science/article/pii/S2214581821002093Suspended sediment transportFluvial processAeolian sand regionLoess hilly regionLorenz curveConcentration index |
| spellingShingle | Tongge Jing Nufang Fang Yi Zeng Xuan Huang Zhihua Shi Catchment properties controlling suspended sediment transport in wind-water erosion crisscross region Journal of Hydrology: Regional Studies Suspended sediment transport Fluvial process Aeolian sand region Loess hilly region Lorenz curve Concentration index |
| title | Catchment properties controlling suspended sediment transport in wind-water erosion crisscross region |
| title_full | Catchment properties controlling suspended sediment transport in wind-water erosion crisscross region |
| title_fullStr | Catchment properties controlling suspended sediment transport in wind-water erosion crisscross region |
| title_full_unstemmed | Catchment properties controlling suspended sediment transport in wind-water erosion crisscross region |
| title_short | Catchment properties controlling suspended sediment transport in wind-water erosion crisscross region |
| title_sort | catchment properties controlling suspended sediment transport in wind water erosion crisscross region |
| topic | Suspended sediment transport Fluvial process Aeolian sand region Loess hilly region Lorenz curve Concentration index |
| url | http://www.sciencedirect.com/science/article/pii/S2214581821002093 |
| work_keys_str_mv | AT tonggejing catchmentpropertiescontrollingsuspendedsedimenttransportinwindwatererosioncrisscrossregion AT nufangfang catchmentpropertiescontrollingsuspendedsedimenttransportinwindwatererosioncrisscrossregion AT yizeng catchmentpropertiescontrollingsuspendedsedimenttransportinwindwatererosioncrisscrossregion AT xuanhuang catchmentpropertiescontrollingsuspendedsedimenttransportinwindwatererosioncrisscrossregion AT zhihuashi catchmentpropertiescontrollingsuspendedsedimenttransportinwindwatererosioncrisscrossregion |