Monitoring land use impacts on sediment production: a case study of the pilot catchment from the Brazilian program of payment for environmental services

Bispo, Diêgo Faustolo Alves; Batista, Pedro Velloso Gomes; Guimarães, Danielle Vieira; Silva, Marx Leandro Naves; Curi, Nilton; Quinton, John

doi:10.36783/18069657rbcs20190167

Cited by 6 publications

(3 citation statements)

References 31 publications

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“…The only water reservoir in the town on Aiba River has continuously become silted up in view of farming activities and the removal or ageing of the forest trees in its environment. Agricultural activities being carried out within the forest have impacted on the depth of the dam through sedimentation, thus silting up the bed of the dam (Zimmerman et al, 2003;Bispo et al, 2020; The consequential effect of this is the drastic fall in the capacity of water that the dam could hold. The excess water overflows its embankment causing overflowing downstream which is also equally facing sedimentation challenges.…”

Section: (4) Reduced Capacity Of the Aiba Reservoirmentioning

confidence: 99%

Towards a Sustainable City Environment: Resolving the Challenge of Flooding in a Growing Tropical City in Osun State, Nigeria- A Review

Ogunbode

Oyebamiji²

2022

Aswan University Journal of Environmental Studies

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A major sustainable development goal (SDG) is the attainment of desirable living in cities. However, one serious environmental problem confronting Iwo, Osun State, Nigeria is flooding. Consequently, a critical review of literature was done to ascertain causes and establish remediation strategies for achieving a virile and sustainable city now and in no distant future. Causes of flood disaster include heavy rainfall, poor urban planning, indiscriminate refuse dumps, sedimentation of stream and reservoir beds, lackadaisical attitude towards expert warnings and forecasts among others. The effects range from farmland destructions, community displacement, destruction of public utilities and loss of lives. The accompanying disaster often led to unplanned and unprecedented expenditure by governments at different levels in an effort to alleviate negative impacts on those affected; repair and rebuilding of damaged infrastructures etc. Current growth and anticipated development of Iwo township demand efforts of all stakeholders to put in place reliable policies, projects and programmes that will lessen flood disaster for sustainability. It is expected that all stakeholders would work towards mitigating the occurrence of the flood disaster by enacting relevant legislation; proactive and mitigating measures to prevent the disaster; timely provision of adequate and relevant data/information; adherence to modern town planning rules and expert warnings in order to achieve sustainable living in cities.

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Section: (4) Reduced Capacity Of the Aiba Reservoirmentioning

confidence: 99%

Towards a Sustainable City Environment: Resolving the Challenge of Flooding in a Growing Tropical City in Osun State, Nigeria- A Review

Ogunbode

Oyebamiji²

2022

Aswan University Journal of Environmental Studies

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“…Although these results might seem case-specific, similar findings have been reported around the world. For instance, the effects of roads and farm tracks in both coupling and decoupling runoff and sediments has been described in Australia (Croke et al, 2005), Brazil (Bispo et al, 2020), Kenya (Stenfert Kroese et al, 2020), Italy (Persichillo et al, 2018), and Spain (Calsamiglia et al, 2018). Moreover, the influence of linear features such as field borders, hedges, terraces, and tractor tram lines in soil redistribution rates and patterns have been well-documented in Europe (Calsamiglia et al, 2018b;Evrard et al, 2009;Fiener and Auerswald, 2005;Lacoste et al, 2014;Saggau et al, 2019), as well as the importance of landscape structure (Baartman et al, 2020;Chartin et al, 2013;Fiener et al, 2011).…”

Section: Sinkmentioning

confidence: 99%

A conceptual model-based sediment connectivity assessment for patchy agricultural catchments

Batista

Fiener

Scheper

et al. 2021

Preprint

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Abstract. The accelerated sediment supply from agricultural soils to riverine and lacustrine environments leads to negative off-site consequences. In particular, the sediment connectivity from agricultural land to surface waters is strongly affected by landscape patchiness and the linear structures that separate field parcels (e.g. roads, tracks, hedges, and grass-buffer-strips). Understanding the feedbacks between these structures and sediment transfer is therefore crucial for minimising off-site erosion impacts. Although soil erosion models can be used to understand lateral sediment transport patterns, model-based connectivity assessments are hindered by the uncertainty in model structures and input data. In particular, the representation of linear landscape features in numerical soil redistribution models is often compromised by the spatial resolution of the input data and the quality of the process descriptions. Here we adapted the WaTEM/SEDEM model using high resolution spatial data (2 m × 2 m) to analyse the sediment connectivity in a very patchy mesoscale catchment (73 km2) of the Swiss Plateau. Specifically, we used a global sensitivity analysis to explore model structural assumptions about how linear landscape features (dis)connect the sediment cascade. Furthermore, we compared model simulations of hillslope sediment yields from five sub-catchments to tributary sediment loads, which were calculated with long-term water discharge and suspended sediment measurements. Our results showed that roads were the main regulators of sediment connectivity in the catchment. In particular, the sensitivity analysis revealed that the assumptions about how the road network (dis)connects the sediment transfer from field-blocks to water courses had a much higher impact on modelled sediment yields than the uncertainty in model parameters. Moreover, model simulations showed a higher agreement with tributary sediment loads when the road network was assumed to directly connect sediments from hillslopes to water courses. Our results ultimately illustrate how a high-density road network combined with an effective drainage system increase sediment connectivity from hillslopes to surface waters in this representative catchment of the Swiss Plateau. This further highlights the importance of considering linear structures in soil erosion and sediment connectivity models.

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“…This technique has been increasingly used in Brazil during the last decade, mainly in the southernmost region of the country (Minella et al, 2014;Ramon et al, 2020;Rodrigues et al, 2018;Tiecher et al, 2016;Valente et al, 2020). However, this method is now attracting interest in other parts of the country (Batista et al, 2018;Bispo et al, 2020;Franz et al, 2014;Lima et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Tributary contributions to sediment deposited in the Jacuí Delta, Southern Brazil

Tiecher

Ramon²,

Andrade³

et al. 2022

Journal of Great Lakes Research

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Monitoring land use impacts on sediment production: a case study of the pilot catchment from the Brazilian program of payment for environmental services

Abstract: How to cite: Bispo DFA, Batista PVG, Guimarães DV, Silva MLN, Curi N, Quinton JN. Monitoring land use impacts on sediment production: a case study of the pilot catchment from the Brazilian program of payment for environmental services. Rev Bras Cienc Solo. 2020;44:e0190167.

Cited by 6 publications

References 31 publications

Towards a Sustainable City Environment: Resolving the Challenge of Flooding in a Growing Tropical City in Osun State, Nigeria- A Review

Towards a Sustainable City Environment: Resolving the Challenge of Flooding in a Growing Tropical City in Osun State, Nigeria- A Review

A conceptual model-based sediment connectivity assessment for patchy agricultural catchments

Tributary contributions to sediment deposited in the Jacuí Delta, Southern Brazil

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