Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics

Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	DING, Wenfeng [verfasserIn] LI, Mian

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Grass coverage Spatial distribution patterns Erosion rate Overland flow hydraulic characteristics

Anmerkung:	© Springer-Verlag Berlin Heidelberg 2016

Übergeordnetes Werk:	Enthalten in: Environmental earth sciences - Berlin : Springer, 2009, 75(2016), 6 vom: 10. März
Übergeordnetes Werk:	volume:75 ; year:2016 ; number:6 ; day:10 ; month:03

Links:	Volltext

DOI / URN:	10.1007/s12665-016-5329-7

Katalog-ID:	SPR026728265

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245	1	0	\|a Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics
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520			\|a Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow.
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matchkey_str	article:18666299:2016----::fetogasoeaendsrbtoptenoeoinnoelnfo
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publishDate	2016
allfields	10.1007/s12665-016-5329-7 doi (DE-627)SPR026728265 (SPR)s12665-016-5329-7-e DE-627 ger DE-627 rakwb eng DING, Wenfeng verfasserin aut Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. Grass coverage (dpeaa)DE-He213 Spatial distribution patterns (dpeaa)DE-He213 Erosion rate (dpeaa)DE-He213 Overland flow hydraulic characteristics (dpeaa)DE-He213 LI, Mian aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 75(2016), 6 vom: 10. März (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:75 year:2016 number:6 day:10 month:03 https://dx.doi.org/10.1007/s12665-016-5329-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 75 2016 6 10 03
spelling	10.1007/s12665-016-5329-7 doi (DE-627)SPR026728265 (SPR)s12665-016-5329-7-e DE-627 ger DE-627 rakwb eng DING, Wenfeng verfasserin aut Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. Grass coverage (dpeaa)DE-He213 Spatial distribution patterns (dpeaa)DE-He213 Erosion rate (dpeaa)DE-He213 Overland flow hydraulic characteristics (dpeaa)DE-He213 LI, Mian aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 75(2016), 6 vom: 10. März (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:75 year:2016 number:6 day:10 month:03 https://dx.doi.org/10.1007/s12665-016-5329-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 75 2016 6 10 03
allfields_unstemmed	10.1007/s12665-016-5329-7 doi (DE-627)SPR026728265 (SPR)s12665-016-5329-7-e DE-627 ger DE-627 rakwb eng DING, Wenfeng verfasserin aut Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. Grass coverage (dpeaa)DE-He213 Spatial distribution patterns (dpeaa)DE-He213 Erosion rate (dpeaa)DE-He213 Overland flow hydraulic characteristics (dpeaa)DE-He213 LI, Mian aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 75(2016), 6 vom: 10. März (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:75 year:2016 number:6 day:10 month:03 https://dx.doi.org/10.1007/s12665-016-5329-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 75 2016 6 10 03
allfieldsGer	10.1007/s12665-016-5329-7 doi (DE-627)SPR026728265 (SPR)s12665-016-5329-7-e DE-627 ger DE-627 rakwb eng DING, Wenfeng verfasserin aut Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. Grass coverage (dpeaa)DE-He213 Spatial distribution patterns (dpeaa)DE-He213 Erosion rate (dpeaa)DE-He213 Overland flow hydraulic characteristics (dpeaa)DE-He213 LI, Mian aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 75(2016), 6 vom: 10. März (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:75 year:2016 number:6 day:10 month:03 https://dx.doi.org/10.1007/s12665-016-5329-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 75 2016 6 10 03
allfieldsSound	10.1007/s12665-016-5329-7 doi (DE-627)SPR026728265 (SPR)s12665-016-5329-7-e DE-627 ger DE-627 rakwb eng DING, Wenfeng verfasserin aut Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. Grass coverage (dpeaa)DE-He213 Spatial distribution patterns (dpeaa)DE-He213 Erosion rate (dpeaa)DE-He213 Overland flow hydraulic characteristics (dpeaa)DE-He213 LI, Mian aut Enthalten in Environmental earth sciences Berlin : Springer, 2009 75(2016), 6 vom: 10. März (DE-627)599673451 (DE-600)2493699-6 1866-6299 nnns volume:75 year:2016 number:6 day:10 month:03 https://dx.doi.org/10.1007/s12665-016-5329-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 75 2016 6 10 03
language	English
source	Enthalten in Environmental earth sciences 75(2016), 6 vom: 10. März volume:75 year:2016 number:6 day:10 month:03
sourceStr	Enthalten in Environmental earth sciences 75(2016), 6 vom: 10. März volume:75 year:2016 number:6 day:10 month:03
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Grass coverage Spatial distribution patterns Erosion rate Overland flow hydraulic characteristics
isfreeaccess_bool	false
container_title	Environmental earth sciences
authorswithroles_txt_mv	DING, Wenfeng @@aut@@ LI, Mian @@aut@@
publishDateDaySort_date	2016-03-10T00:00:00Z
hierarchy_top_id	599673451
id	SPR026728265
language_de	englisch
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The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). 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author	DING, Wenfeng
spellingShingle	DING, Wenfeng misc Grass coverage misc Spatial distribution patterns misc Erosion rate misc Overland flow hydraulic characteristics Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics
authorStr	DING, Wenfeng
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topic_title	Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics Grass coverage (dpeaa)DE-He213 Spatial distribution patterns (dpeaa)DE-He213 Erosion rate (dpeaa)DE-He213 Overland flow hydraulic characteristics (dpeaa)DE-He213
topic	misc Grass coverage misc Spatial distribution patterns misc Erosion rate misc Overland flow hydraulic characteristics
topic_unstemmed	misc Grass coverage misc Spatial distribution patterns misc Erosion rate misc Overland flow hydraulic characteristics
topic_browse	misc Grass coverage misc Spatial distribution patterns misc Erosion rate misc Overland flow hydraulic characteristics
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title	Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics
ctrlnum	(DE-627)SPR026728265 (SPR)s12665-016-5329-7-e
title_full	Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics
author_sort	DING, Wenfeng
journal	Environmental earth sciences
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author_browse	DING, Wenfeng LI, Mian
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author-letter	DING, Wenfeng
doi_str_mv	10.1007/s12665-016-5329-7
title_sort	effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics
title_auth	Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics
abstract	Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. © Springer-Verlag Berlin Heidelberg 2016
abstractGer	Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. © Springer-Verlag Berlin Heidelberg 2016
abstract_unstemmed	Abstract Grass coverage and its spatial distribution patterns have crucial influences on erosion. The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. The sediment yield rates were found to have a significantly negative exponential relationship with the grass coverage (p < 0.01), while the sediment concentration had a significantly negative linear relationship with the grass coverage (p < 0.01). The overland flow velocity (V) increased with increasing inflow discharges and deceased with increasing grass cover, and it was negatively correlated with the grass coverage following a linear trend (p < 0.01). The mean Froude number (Fr) holds to a similar variation law with the changes in the V. There was no significant relationship found to exist between the grass coverage and Reynolds number (Re). The average Darcy–Weisbach resistance coefficient (f) of the whole slope for grass plots was 2.2–25.6 times of that for CK plot, and f was found to be an exponent correlated with the coverage rate (p < 0.01). In addition, f was negatively correlated with the erosion rate following a power function (p < 0.01); however V, Fr, and Re were positively correlated with the erosion rate (p < 0.01). The sediment yield rate itself was a function of the runoff rate for each treatment, and their relationships could be well described by the linear equation (p < 0.01). These results indicate that both grass coverage rates and distribution patterns have significant effects on hydrological characteristics of overland flow. © Springer-Verlag Berlin Heidelberg 2016
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container_issue	6
title_short	Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics
url	https://dx.doi.org/10.1007/s12665-016-5329-7
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author2	LI, Mian
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doi_str	10.1007/s12665-016-5329-7
up_date	2024-07-03T22:25:27.886Z
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The laboratory scouring experiments were conducted to research the influence of grass cover on runoff, erosion rates, and overland flow hydraulic characteristics in the plots with differing grass coverage rates (30, 50, 70, and 90 %), grass distribution patterns (where US, MS, and DS stand for the grass laid on up-slope, middle-slope and down-slope, respectively) and with a bare soil plot (CK) at a slope gradient of 20. The results illustrate that the grassplots had a 2.06–10.94 % runoff reduction and 28.57–75.4 % sediment decreases, respectively, as compared with CK plot. There was no significant difference in the runoff rate among the three grass distribution patterns for the same grass coverage, while DS had the lowest sediment yield rate and greatest sediment yield reduction in comparison with US and MS. 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Effects of grass coverage and distribution patterns on erosion and overland flow hydraulic characteristics

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