Factors controlling hydro-sedimentary response during runoff events in a rural catchment in the humid Spanish zone

Rodríguez‐Blanco, M. L.; Taboada-Castro, M.T.

doi:10.1016/j.catena.2010.06.007

Cited by 53 publications

(53 citation statements)

References 32 publications

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“…The good correlation between sediment load and runoff reflects the proportion of surface runoff which is responsible for erosion from the catchment surface. Rainfall also showed a close relationship with sediment load, suggesting that high amounts of rainfall generate high sediment amounts, as it occurs in an agroforestry catchment close to that study catchment (Rodríguez-Blanco et al, 2010b). Antecedent rainfall 1, 3, 5, 7, 15 and 21 days before the event also affected sediment load during events through its effect on runoff and maximum discharge, since the antecedent conditions are the main factor that explains the hydrological response of the Mero catchment at event scale (Palleiro et al, 2014).…”

Section: Factors Affecting Sediment and Metal Loads During Rainfall-rmentioning

confidence: 54%

“…The above results indicate that there are a few events with very high loads, so, only a few events are responsible for the high percentage of sediment and metal exportation during events (Fig. 4) Rodríguez-Blanco et al, 2010b). In the catchment studied, there were several examples of events with high contribution to the annual load.…”

Section: Sediment Particulate and Dissolved Metal Loads In Runoff Evmentioning

confidence: 65%

“…Rainfall-runoff events have often been the main culprit causing changes in sediment and metal transport Miller et al, 2003;Rodríguez-Blanco et al, 2009, 2010b. So, temporal data of sediments and metals obtained with an adequate sampling frequency during rainfall-runoff events are essential for reliable annual element transport estimates and model development.…”

Section: Introductionmentioning

confidence: 99%

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Hydroclimatic control of sediment and metal export from a rural catchment in northwestern Spain

Palleiro

Rodríguez‐Blanco

Taboada-Castro

2014

Hydrol. Earth Syst. Sci.

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Abstract. This paper examines sediment and metal (Al, Fe, Mn, Cu, and Zn) exportation at different timescales (annual, seasonal and event) during a 3-year period (2005)(2006)(2007)(2008) in the Mero River headwater, a rural catchment under humid temperate climate. Interannual differences were found both in annual loads and their distributions throughout the year. At annual scale, sediment and particulate metal loads followed the same trend as streamflow, while dissolved metals showed different patterns. Runoff events contributed to 63 % of the total sediment load, whereas particulate and dissolved loads in events accounted for between 38-61 and 27-49 %, respectively. Runoff events were characterized by high variability in sediment and metal loads, a few events representing a high percentage of the metal exported. Sediment loads were related to maximum and initial discharge. Particulate metal loads were highly correlated with sediment loads, runoff being the hydrological variable that best explains the load of these metals. Dissolved metal loads displayed different patterns. Dissolved Al, showed a great correlation with runoff, while dissolved Mn with maximum discharge.

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Section: Factors Affecting Sediment and Metal Loads During Rainfall-rmentioning

confidence: 54%

Section: Sediment Particulate and Dissolved Metal Loads In Runoff Evmentioning

confidence: 65%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Hydroclimatic control of sediment and metal export from a rural catchment in northwestern Spain

Palleiro

Rodríguez‐Blanco

Taboada-Castro

2014

Hydrol. Earth Syst. Sci.

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“…In order to overcome this lack of data, a regression equation was developed based on the suspended sediment samples collected at station H1. Since discharge and rainfall are considered the main factors controlling the production and delivery of sediment (Nadal-Romero et al, 2008;Rodriguez-Blanco et al, 2010), the regression equation is as follows:…”

Section: Calibration and Validationmentioning

confidence: 99%

A hydro-sedimentary modeling system for flash flood propagation and hazard estimation under different agricultural practices

Kourgialas

Karatzas

2014

Nat. Hazards Earth Syst. Sci.

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Abstract.A modeling system for the estimation of flash flood flow velocity and sediment transport is developed in this study. The system comprises three components: (a) a modeling framework based on the hydrological model HSPF, (b) the hydrodynamic module of the hydraulic model MIKE 11 (quasi-2-D), and (c) the advection-dispersion module of MIKE 11 as a sediment transport model. An important parameter in hydraulic modeling is the Manning's coefficient, an indicator of the channel resistance which is directly dependent on riparian vegetation changes. Riparian vegetation's effect on flood propagation parameters such as water depth (inundation), discharge, flow velocity, and sediment transport load is investigated in this study. Based on the obtained results, when the weed-cutting percentage is increased, the flood wave depth decreases while flow discharge, velocity and sediment transport load increase. The proposed modeling system is used to evaluate and illustrate the flood hazard for different riparian vegetation cutting scenarios. For the estimation of flood hazard, a combination of the flood propagation characteristics of water depth, flow velocity and sediment load was used. Next, a well-balanced selection of the most appropriate agricultural cutting practices of riparian vegetation was performed. Ultimately, the model results obtained for different agricultural cutting practice scenarios can be employed to create flood protection measures for flood-prone areas. The proposed methodology was applied to the downstream part of a small Mediterranean river basin in Crete, Greece.

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“…Flood events of low and medium intensity can also generate high SSCs. This happens depending on the variability in sediment availability within the watershed, rainfall intensity and spatial distribution, discharge, types and distances traveled by water in the main channel, which determine the response of suspended sediment (Williams, 1989;NadalRomero et al, 2008;Sadeghi et al, 2008;Rodrı´guez-Blanco et al, 2010).…”

Section: Ssc Simulation and Yieldmentioning

confidence: 99%

Evaluation of hydrology, suspended sediment and Nickel loads in a small watershed in Basque Country (Northern Spain) using eco-hydrological SWAT model

Peraza-Castro

Ruiz‐Romera

Armenta

et al. 2015

Ann. Limnol. - Int. J. Lim.

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-Suspended sediment transportation and associated pollutants from catchment to stream networks are responsible for aquatic habitat degradation, reservoir sedimentation and the transportation of sediment bound pollutants. Quantifying suspended sediment loads from lands to watercourses is essential in controlling soil erosion and in implementing appropriate mitigation practices to reduce stream sediment and associated pollutant loads, and hence improve surface water quality downstream.The main objective of this study is to evaluate the temporal variability of hydrology, sediment and nickel loads using Soil and Water Assessment Tool in Oka watershed located in north Spain. Model simulation was completed using 11 years historical records (2001-2009 for validation and 2009-2012 for calibration) of streamflow and suspended sediment concentration (SSC). Thestreamflow, SSC and sediment load estimated from the model were compared with observed data using statistical parameters, which indicates a successful simulation. The annual production of simulated sediments shows variability between 662 and 1515 t, with a mean specific yield of 33 t km x2 y x1 . The annual load of nickel simulated ranged from 32 to 72 kg, representing a mean specific of 1.63 kg km x2 year x1 . The information obtained from this research is of interest to understand long term interannual variability of suspended sediment and nickel yield.

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Factors controlling hydro-sedimentary response during runoff events in a rural catchment in the humid Spanish zone

Cited by 53 publications

References 32 publications

Hydroclimatic control of sediment and metal export from a rural catchment in northwestern Spain

Hydroclimatic control of sediment and metal export from a rural catchment in northwestern Spain

A hydro-sedimentary modeling system for flash flood propagation and hazard estimation under different agricultural practices

Evaluation of hydrology, suspended sediment and Nickel loads in a small watershed in Basque Country (Northern Spain) using eco-hydrological SWAT model

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