Prediction of the soil erosion in a forest and sediment yield from road network through GIS and SEDMODL

Parsakhoo, Aidin; Lotfalian, Majid; Kavian, Ataollah; Hosseini, Seyed Ataollah

doi:10.1016/s1001-6279(14)60027-5

Cited by 30 publications

(18 citation statements)

References 22 publications

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“…In the last decades, the road network has considerably increased in the Hyrcanian forests, northern Iran (Parsakhoo et al, 2011). In previous investigations, deep rills on the surface of skid trails in the Darab Kola forest area have been reported, causing canalization of runoff flow and enhancing water erosion on steep slopes (Lotfalian et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Impact of different parts of skid trails on runoff and soil erosion in the Hyrcanian forest (northern Iran)

et al. 2016

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Section: Introductionmentioning

confidence: 99%

Impact of different parts of skid trails on runoff and soil erosion in the Hyrcanian forest (northern Iran)

et al. 2016

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“…The northern forests of Iran (Hyrcanian forests) are valuable economic resources that are currently being exploited by wood industries. Extraction of timber from these forests has required extensive road networks to be constructed, nearly always without consideration for soil conservation and erosion mitigation (Parsakhoo, Lotfalian, Kavian, & Hosseini, 2014). Mechanical logging and skid trail construction have led to high rates of erosion on disturbed logging surfaces (Jourgholami & Etehadi Abari, 2017;Lotfalian, Parsakhoo, Kavian, & Hosseini, 2013;Safari et al, 2016).…”

Section: ;mentioning

confidence: 99%

Effectiveness of native wood strand mulches for land rehabilitation in Iran under experimental conditions

et al. 2019

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Wood‐based mulches are a preferred erosion control material for rehabilitation of degraded lands because they can be made from native wood materials; however, research is needed to verify the effectiveness of new products prior to application. The present study aims to assess the effectiveness of two types of native wood strand mulches from Iran (waste byproducts of Alnus glutinosa and Fagus orientalis working) in reducing runoff, soil loss, and sediment concentration under laboratory conditions. Toward this goal, rainfall simulations were conducted 27 times using a 50 mm hr−1 rainfall during 20‐min experiments on erosion plots with treatments of different cover percentages (bare, 30 and 70%) and strand dimensions (16 and 4 cm in length; 1.5 cm wide). The results showed that all strand applications reduced runoff (>12%), soil loss (>47%), and sediment concentration (>44%) compared to the bare plots. The most effective application treatment was a 70% coverage of the 4‐cm strands of either material (p value < .002). The shorter strands were most effective for all hydrological and erosion variables reductions because they maintained more contact with the soil surface during simulated rainfall and then increased the soil retention potential, whereas the longer strands realigned in the direction of flow, thereby limiting their ability to retard flowing water. The small strands also facilitated the creation of microdams that blocked flow and promoted infiltration. Both materials were deemed effective native erosion control products in degraded sites in the Hyrcanian forests of Iran, particularly when small strands were applied at high cover rates.

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“…In the same way, we can reasonably identify the weak influence of national and provincial roads on soil erosion and that the affecting ability of county roads falls between village roads and national/provincial roads. Although recent research concerning the impacts of roads on soil erosion mainly focus on the direct impacts of roads, such as sediment delivery caused by road-concentrated flow [44,45], our study revealed the importance of the indirect role of roads on soil erosion evolution by conducting a buffer analysis and regression analysis. It is notable that the studies addressing the relationship between roads and landscapes have achieved great progress [2,4,9,10], and the landscape is crucial for soil erosion process at a large scale [29].…”

Section: The Soil Erosion Effects Of Road Vary In Different Road Levelsmentioning

confidence: 93%

The Indirect Roles of Roads in Soil Erosion Evolution in Jiangxi Province, China: A Large Scale Perspective

2017

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Abstract:As elicitors of terrestrial system change (e.g., land use transformation) through the introduction of anthropogenic causes, the spatial patterns and levels of roads might be more detrimental to the long-term health of ecosystems at a large scale than the road paving itself. This paper reveals the relationship between soil erosion and roads from a large-scale perspective in Jiangxi Province, China. Temporal and spatial distribution characteristics of artificial and natural drive factors of soil erosion alongside roads were addressed. It was found that, from 1990 to 2010, Jiangxi Province experienced an obvious reduction in soil erosion (the mean annual soil erosion rate decreased from 930.8 t·km −2 ·a −1 to 522.0 t·km −2 ·a −1 ), which was positively correlated with road density (p < 0.01). The maximum soil erosion reduction occurred at a distance of 0-1 km from the village roads. The order of soil erosion effects of the four levels of roads is: Village road > county road > provincial/national road. We emphasize that studying the indirect roles of roads in soil erosion is strongly dependent on a comprehensive consideration of historical policy and the economic development stage in a study area. This paper highlights the indirect role of village roads in soil erosion evolution.

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Prediction of the soil erosion in a forest and sediment yield from road network through GIS and SEDMODL

Cited by 30 publications

References 22 publications

Impact of different parts of skid trails on runoff and soil erosion in the Hyrcanian forest (northern Iran)

Impact of different parts of skid trails on runoff and soil erosion in the Hyrcanian forest (northern Iran)

Effectiveness of native wood strand mulches for land rehabilitation in Iran under experimental conditions

The Indirect Roles of Roads in Soil Erosion Evolution in Jiangxi Province, China: A Large Scale Perspective

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