Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China
Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope g...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Cao, Longxi [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Rechteinformationen: |
Nutzungsrecht: Copyright © 2013 John Wiley & Sons, Ltd. |
|---|
| Schlagwörter: |
|---|
| Übergeordnetes Werk: |
Enthalten in: Land degradation & development - Chichester, Sussex : Wiley, 1996, 26(2015), 8, Seite 825-832 |
|---|---|
| Übergeordnetes Werk: |
volume:26 ; year:2015 ; number:8 ; pages:825-832 |
| Links: |
|---|
| DOI / URN: |
10.1002/ldr.2253 |
|---|
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OLC1958206148 |
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| 520 | |a Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. | ||
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10.1002/ldr.2253 doi PQ20160617 (DE-627)OLC1958206148 (DE-599)GBVOLC1958206148 (PRQ)p1773-be00a8b8a53025486013bbab95a2dcda302d591e17ced086fd9e8ba0a06ca0e13 (KEY)0175141720150000026000800825modelinginterrillerosiononunpavedroadsintheloesspl DE-627 ger DE-627 rakwb eng 630 ZDB Cao, Longxi verfasserin aut Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. Nutzungsrecht: Copyright © 2013 John Wiley & Sons, Ltd. interrill erosion rainfall simulation unpaved road China the Loess Plateau runoff Zhang, Keli oth Dai, Hailun oth Liang, Yin oth Enthalten in Land degradation & development Chichester, Sussex : Wiley, 1996 26(2015), 8, Seite 825-832 (DE-627)211582530 (DE-600)1319202-4 (DE-576)9211582539 1085-3278 nnns volume:26 year:2015 number:8 pages:825-832 http://dx.doi.org/10.1002/ldr.2253 Volltext http://onlinelibrary.wiley.com/doi/10.1002/ldr.2253/abstract http://search.proquest.com/docview/1728633250 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_4219 AR 26 2015 8 825-832 |
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10.1002/ldr.2253 doi PQ20160617 (DE-627)OLC1958206148 (DE-599)GBVOLC1958206148 (PRQ)p1773-be00a8b8a53025486013bbab95a2dcda302d591e17ced086fd9e8ba0a06ca0e13 (KEY)0175141720150000026000800825modelinginterrillerosiononunpavedroadsintheloesspl DE-627 ger DE-627 rakwb eng 630 ZDB Cao, Longxi verfasserin aut Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. Nutzungsrecht: Copyright © 2013 John Wiley & Sons, Ltd. interrill erosion rainfall simulation unpaved road China the Loess Plateau runoff Zhang, Keli oth Dai, Hailun oth Liang, Yin oth Enthalten in Land degradation & development Chichester, Sussex : Wiley, 1996 26(2015), 8, Seite 825-832 (DE-627)211582530 (DE-600)1319202-4 (DE-576)9211582539 1085-3278 nnns volume:26 year:2015 number:8 pages:825-832 http://dx.doi.org/10.1002/ldr.2253 Volltext http://onlinelibrary.wiley.com/doi/10.1002/ldr.2253/abstract http://search.proquest.com/docview/1728633250 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_4219 AR 26 2015 8 825-832 |
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10.1002/ldr.2253 doi PQ20160617 (DE-627)OLC1958206148 (DE-599)GBVOLC1958206148 (PRQ)p1773-be00a8b8a53025486013bbab95a2dcda302d591e17ced086fd9e8ba0a06ca0e13 (KEY)0175141720150000026000800825modelinginterrillerosiononunpavedroadsintheloesspl DE-627 ger DE-627 rakwb eng 630 ZDB Cao, Longxi verfasserin aut Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. Nutzungsrecht: Copyright © 2013 John Wiley & Sons, Ltd. interrill erosion rainfall simulation unpaved road China the Loess Plateau runoff Zhang, Keli oth Dai, Hailun oth Liang, Yin oth Enthalten in Land degradation & development Chichester, Sussex : Wiley, 1996 26(2015), 8, Seite 825-832 (DE-627)211582530 (DE-600)1319202-4 (DE-576)9211582539 1085-3278 nnns volume:26 year:2015 number:8 pages:825-832 http://dx.doi.org/10.1002/ldr.2253 Volltext http://onlinelibrary.wiley.com/doi/10.1002/ldr.2253/abstract http://search.proquest.com/docview/1728633250 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_4219 AR 26 2015 8 825-832 |
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10.1002/ldr.2253 doi PQ20160617 (DE-627)OLC1958206148 (DE-599)GBVOLC1958206148 (PRQ)p1773-be00a8b8a53025486013bbab95a2dcda302d591e17ced086fd9e8ba0a06ca0e13 (KEY)0175141720150000026000800825modelinginterrillerosiononunpavedroadsintheloesspl DE-627 ger DE-627 rakwb eng 630 ZDB Cao, Longxi verfasserin aut Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. Nutzungsrecht: Copyright © 2013 John Wiley & Sons, Ltd. interrill erosion rainfall simulation unpaved road China the Loess Plateau runoff Zhang, Keli oth Dai, Hailun oth Liang, Yin oth Enthalten in Land degradation & development Chichester, Sussex : Wiley, 1996 26(2015), 8, Seite 825-832 (DE-627)211582530 (DE-600)1319202-4 (DE-576)9211582539 1085-3278 nnns volume:26 year:2015 number:8 pages:825-832 http://dx.doi.org/10.1002/ldr.2253 Volltext http://onlinelibrary.wiley.com/doi/10.1002/ldr.2253/abstract http://search.proquest.com/docview/1728633250 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_4219 AR 26 2015 8 825-832 |
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630 ZDB Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China interrill erosion rainfall simulation unpaved road China the Loess Plateau runoff |
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Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China |
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Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China |
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modeling interrill erosion on unpaved roads in the loess plateau of china |
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Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China |
| abstract |
Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. |
| abstractGer |
Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. |
| abstract_unstemmed |
Unpaved roads play an important role in soil loss in small watersheds. In order to assess the impact of these unpaved roads in the Loess Plateau of China, runoff and sediment yields from road‐related sources must be quantified. Field rainfall simulation experiments were conducted under three slope gradients and five rainfall intensities on unpaved loess roads in a small watershed. Results showed that the runoff generation was very fast in loess road surface (time to runoff < 1 min) and produced a high runoff coefficient (mean value > 0·8). Soil loss rates were decreased as surface loose materials were washed away during a rainstorm. Rainfall intensity, initial soil moisture, and slope gradient are key factors to model surface runoff and sediment yield. Soil loss on loess road surface could be estimated by a linear function of stream power ( R 2 = 0·907). Four commonly interrill erosion models were evaluated and compared, and the interrill erodibility adopted in the Water Erosion Prediction Project model was determined as 1·34 × 10 6 (kg s m −4 ). A new equation taking into account different parameters like rainfall intensity, surface flow discharge, and slope gradient was established. Copyright © 2013 John Wiley & Sons, Ltd. |
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Modeling Interrill Erosion on Unpaved Roads in the Loess Plateau of China |
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http://dx.doi.org/10.1002/ldr.2253 http://onlinelibrary.wiley.com/doi/10.1002/ldr.2253/abstract http://search.proquest.com/docview/1728633250 |
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Zhang, Keli Dai, Hailun Liang, Yin |
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