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Selection: with tag erosivity [26 articles] 


A new methodology for estimating rainfall aggressiveness risk based on daily rainfall records for multi-decennial periods

Science of The Total Environment, Vol. 615 (2018), pp. 564-571


[Highlights] [::] A new methodology is proposed to estimate the rainfall aggressiveness risk. [::] This methodology is based on daily rainfall records. [::] A new synthesis parameter based on Modified Fournier and Oliver's indices is used. [::] It is calibrated with respect to the erosivity R factor for a simultaneity period. [::] The SW of Iberian Peninsula has been selected to test its regional application. [Abstract] The temporal irregularity of rainfall, characteristic of a Mediterranean climate, corresponds to the irregularity of the environmental effects on soil. We used ...


More rain, less soil: long-term changes in rainfall intensity with climate change

Earth Surface Processes and Landforms, Vol. 41, No. 4. (30 March 2016), pp. 563-566,


This commentary discusses the role of long-term climate change in driving increases in soil erosion. Assuming that land use and management remain effectively constant, we discuss changes in the ability of rainfall to cause erosion (erosivity), using long daily rainfall data sets from southeast England. An upward trend in mean rainfall per rain day is detected at the century-plus timescale. Implications for soil erosion and sediment delivery are discussed and evidence from other regions reviewed. We conclude that rates of soil ...


Soil erosion modelling

In Landform Dynamics and Evolution in Romania (2017), pp. 397-423,


Surface soil erosion modelling has benefited and continues to benefit from the progress in information technology area and statistical and mathematical processing of spatial data. In Romania, quantitative studies concerning soil erosion have a tradition of over 70 years, beginning with the establishment of experimental runoff plots. An important step in the history of soil erosion research in Romania is the adaptation of the universal soil loss equation (USLE) to the specific environmental and anthropogenic conditions form our country (ROMSEM). This ...


Estimate of the (R)USLE rainfall erosivity factor from monthly precipitation data in mainland Spain

Journal of Iberian Geology, Vol. 42, No. 1. (07 June 2016),


The need for continuous recording rain gauges makes it difficult to determine the rainfall erosivity factor (R-factor) of the (R)USLE model in areas without good temporal data coverage. In mainland Spain, the Nature Conservation Institute (ICONA) determined the R-factor at few selected pluviographs, so simple estimates of the R-factor are definitely of great interest. The objectives of this study were: (1) to identify a readily available estimate of the R-factor for mainland Spain; (2) to discuss the applicability of a single ...


Corrigendum to "Modelling soil erosion at European scale: towards harmonization and reproducibility" published in Nat. Hazards Earth Syst. Sci.,15, 225-245, 2015

Natural Hazards and Earth System Science, Vol. 15, No. 2. (16 February 2015), pp. 291-291,


[Excerpt] Two editorial mistakes were found in the article. Both refer to Eq. (2), p. 231 (whose correct version was published in the discussion paper, p. 2652). [\n] The first mistake is related to the operator Ω, which was wrongly rendered with a summation operator (Σ). The editorial notation mistake is also evident by considering the semantics of the RDS (relative distance similarity) statistics. As explained in de Rigo et al. (2013) and Bosco et al. (2013), RDS is defined in [0, 1]. Therefore, a summation operator whose arguments are quantities ...


Rainfall erosivity over the Calabrian region

Hydrological Sciences Journal, Vol. 42, No. 1. (1 February 1997), pp. 35-48,


Following the results of a study carried out for the neighbouring Sicilian region, this paper reports a study of the applicability of the annual value, Faj, of the Arnouldus index to represent the erosion risk in Calabrian region. Firstly, By using 214 values of the mean annual value of the erosivity index, FF, and a Kriging interpolation method, an isoerosivity map is plotted. Then, in order to predict the erosion risk for an event of any return period, the probability distribution ...


Caractérisation des pluies en Belgique du point de vue de leur intensité et de leur érosivité

Pedologie, Vol. 28, No. 2. (1978), pp. 214-232


[Excerpt: Introduction] Aux Etats-Unis, l'attention des chercheurs a été attirée depuis longtemps déjà sur les conséquences catastrophiques que pouvait engendrer l'érosion des sols. Depuis l'entre-deux-guerres des moyens, très importants en hommes et en matériel, ont été mis en oeuvre dans Ie but de déterminer les facteurs qui causent ou favorisent l'érosion et les techniques qui sont susceptibles de la freiner. . Ces recherches ont notamment abouti à l'élaboration d'un modèle mathématique de l'érosion, désigné sous Ie vocable de "Universa! soil-Ioss equation" (W. H. Wischmeier & D. D. Smith, 1960, 1962, 1965), bien ...


Precipitation–vegetation coupling and its influence on erosion on the Loess Plateau, China

CATENA, Vol. 64, No. 1. (30 November 2005), pp. 103-116,


The relationships between precipitation, vegetation and erosion are important and are unsolved issues in the field of earth surface processes. Based on data from the Loess Plateau of China, some non-linear relationships between forest cover (Cf), mean annual rainfall erosivity (Re) and annual precipitation (Pm) have been found. A threshold has been identified at Pm = 450 mm, that is, when Pm is < 450 mm, Cf is low and basically does not vary with Pm; when Pm exceeds 450 mm, Cf increases rapidly. ...


L'érosivité des précipitations a Florennes - Révision de la carte des isohyétes et de la carte d'erosivite de la Belgique

Bulletin de la Société géographique de Liége, Vol. 15 (1979), pp. 77-99


Rain erosivity was calculated from rainfall recordings at Florennes (Southern Belgium). A new map of the mean annual precipitation in Belgium was plotter by computer. This map is based on 484 pluviometric recordings made at rain gauging stations in Belgium and its immediate surroundings. These mean annual precipitation data were used, in combination with all presently known erosivity values, to reexamine the rain erosivity map of Belgium. The accuracy and significance of the map was discussed. ...


Climatic trends, disturbances and short-term vegetation dynamics in a Mediterranean shrubland

Forest Ecology and Management, Vol. 147, No. 1. (June 2001), pp. 25-37,


Fire and erosion are two major disturbances affecting Mediterranean ecosystems. Both of them are closely related to climate. There is evidence of decreasing precipitation in the Mediterranean, particularly during summer. There are also indications of an increased variability in the rainfall distribution. Climatic changes, though show high heterogeneity at a local scale. Based on these observations, we have evaluated the following hypotheses for the Region of Valencia (East Spain). [::1] During the past three decades, climatic conditions have become more favourable ...


A comparative study of rainfall erosivity estimation for southern Italy and southeastern Australia

Hydrological Sciences Journal, Vol. 44, No. 1. (1 February 1999), pp. 3-24,


Abstract In this paper, using Sicilian and Australian rainfall intensity data, a comparison between different estimators (modified Fournier index F, FF index) of the rainfall erosivity factor in the USLE was made. The relationship between the modified Fournier index and the mean annual rainfall, P, was theoretically derived. The K constant, linking the FF index and P, and its cumulative distribution function (CDF) were used to establish hydrological similitude among different geographical regions of southern Italy and southeastern Australia. To predict ...


Interactive comment (reply to Anonymous Referee 3) on Modelling soil erosion at European scale: towards harmonization and reproducibility - by Bosco et al

Natural Hazards and Earth System Sciences Discussions, Vol. 2 (2014), pp. C1786-C1795,


Throughout the public discussion of our article Bosco et al. (Nat. Hazards Earth Syst. Sci. Discuss., 2, 2639-2680, 2014), the Anonymous Referee 3 provided (Nat. Hazards Earth Syst. Sci. Discuss., 2, C1592-C1594, 2014) a variety of insights. This work presents our replies to them. ...


Interactive comment (reply to Dino Torri) on Modelling soil erosion at European scale: towards harmonization and reproducibility - by Bosco et al

Natural Hazards and Earth System Sciences Discussions, Vol. 2 (2014), pp. C671-C688,


During the public discussion of our article Bosco et al. (Nat. Hazards Earth Syst. Sci. Discuss., 2, 2639-2680, 2014), D. Torri provided numerous insights (Nat. Hazards Earth Syst. Sci. Discuss. 2, C528-C532, 2014). This work offers our replies to them. ...


Modelling soil erosion at European scale: towards harmonization and reproducibility

Natural Hazards and Earth System Science, Vol. 15, No. 2. (4 February 2015), pp. 225-245,


Soil erosion by water is one of the most widespread forms of soil degradation. The loss of soil as a result of erosion can lead to decline in organic matter and nutrient contents, breakdown of soil structure and reduction of the water-holding capacity. Measuring soil loss across the whole landscape is impractical and thus research is needed to improve methods of estimating soil erosion with computational modelling, upon which integrated assessment and mitigation strategies may be based. Despite the efforts, the ...


A rainfall erosion index for a Universal Soil-Loss Equation

Soil Science Society of America Journal, Vol. 23, No. 3. (1959), 246,


Extensive regression analyses of basic soil-loss data were designed to determine the best indicator of the capacity of a storm to erode soil. The rainstorm characteristic found to be outstanding as such an indicator is the variable whose value is the product of the rainfall energy and maximum 30-minute intensity of the storm (designated as EI). This variable explained from 72 to 97% of the variation in individual-storm erosion from tilled continuous fallow on 6 soils. Seasonal rainfall erosion index values ...


Large storm effects on total soil erosion

Journal of Soil and Water Conservation, Vol. 46, No. 1. (01 January 1991), pp. 75-78


Soil erosion measurements on small upland watersheds totaling 229 watershed-years show that most of the total erosion occurring over a long-term period of record comes from a few large storms. Nine 1-ha (2.5-acre) watersheds containing residual soils with silt loam surfaces on B and C slopes were farmed under a corn-wheat-meadow-meadow rotation with moldboard plowing, disking, and harrowing in April of the corn years for seedbed preparation and cultivation for weed control. After corn harvest, stalks were disked prior to winter ...


Further evidence for super-terminal raindrops

Geophysical Research Letters (August 2014), pp. n/a-n/a,


A network of optical disdrometers (including laser precipitation monitors and a 2-dimensional video disdrometer) was utilized to determine whether the recent reports of “super-terminal” raindrops were spurious results of drop breakup occurring on instrumentation. Results unequivocally show that super-terminal raindrops at small (less than 1 mm) sizes are ubiquitous, are measurable over an extended area, and appear in every rain event investigated. No evidence was found to suggest that super-terminal drops are the result of drop breakup due to impact with the ...


Modelling soil erosion at European scale: towards harmonization and reproducibility

Natural Hazards and Earth System Sciences Discussions, Vol. 2, No. 4. (11 April 2014), pp. 2639-2680,


Soil erosion by water is one of the most widespread forms of soil degradation. The loss of soil as a result of erosion can lead to decline in organic matter and nutrient contents, breakdown of soil structure and reduction of the water holding capacity. Measuring soil loss across the whole landscape is impractical and thus research is needed to improve methods of estimating soil erosion with computational modelling, upon which integrated assessment and mitigation strategies may be based. Despite the efforts, ...


(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 12

(February 2014)
Keywords: endangered-species   endemic-species   endophtic-fungi   energy   energy-consumption   engineering   england   english   enological-parameters   ensemble   enso   enterolobium-cyclocarpum   entransy   entropy   environment-society-economy   environmental-factors   environmental-modelling   environmental-policy   environmental-predictors   envisat-asar   enzykl-holzgew-handb-atlas-dendrol   ephedra-distachya   epinotia-solandriana   epirrita-autumnata   epistemology   eppo   equador   equity   erica-arborea   erica-australis   erica-spp   erica-tetralix   erica-vagans   erodibility   erosion   erosivity   error-clustering   error-spatial-correlation   errors   erwinia-salicis   eryobotria-japonica   erythrina-abyssinica   erythrina-poeppigiana   erythrina-sandwicensis   erythrina-variegata   escarpment   esdac   essential-oils   estonia   ethics   eu-27   eucaliptus-camaldulensis   eucalyptus-citriodora   eucalyptus-coccifera   eucalyptus-diversicolor   eucalyptus-globulus   eucalyptus-gunii   eucalyptus-nitens   eucalyptus-regnans   eucalyptus-spp   euclystis-spp   eucryphia-cordifolia   eugenia-malaccensis   euonymus-europaea   euonymus-europaeus   euonymus-latifolia   euonymus-spp   euonymus-verrucosa   euproctis-chrysorrhoea   europe   europe-2020   european-black-poplar   european-commission   european-conifer   european-council   european-parliament   european-research-council   european-soil-data-centre   european-union   euterpe-oleracea   eutrophication   evaporation   evapotranspiration   even-aged-forest   evergreen   evolution   evolutionary-techniques   evolutionary-tools   evonymus-europaea   ex-situ-conservation   exotic-plants   expat   experimental-approach   experimental-mathematics   expert-judgement   expert-systems   extinction   inrmm-list-of-tags  


List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( ). ...


Approximation and spatial regionalization of rainfall erosivity based on sparse data in a mountainous catchment of the Yangtze River in Central China

Environmental Science and Pollution Research In Environmental Science and Pollution Research, Vol. 20, No. 10. (2013), pp. 6917-6933,


In densely populated countries like China, clean water is one of the most challenging issues of prospective politics and environmental planning. Water pollution and eutrophication by excessive input of nitrogen and phosphorous from nonpoint sources is mostly linked to soil erosion from agricultural land. In order to prevent such water pollution by diffuse matter fluxes, knowledge about the extent of soil loss and the spatial distribution of hot spots of soil erosion is essential. In remote areas such as the mountainous ...


Soil erosion risk scenarios in the Mediterranean environment using RUSLE and GIS: an application model for Calabria (Southern Italy)

Geomorphology, Vol. 112, No. 3-4. (26 November 2009), pp. 228-245,


Soil erosion by water (WSE) has become a relevant issue at the Mediterranean level. In particular, natural conditions and human impact have made the Calabria (southern Italy) particularly prone to intense WSE. The purpose of this investigation is to identify areas highly affected by WSE in Calabria by comparing the scenarios obtained by assuming control and preventive measures and actions, as well as actual conditions generated by forest fires, also in the presence of conditions of maximum rainfall erosion. Geographic Information ...


Impact of tree saplings on the kinetic energy of rainfall—The importance of stand density, species identity and tree architecture in subtropical forests in China

Agricultural and Forest Meteorology, Vol. 156 (April 2012), pp. 31-40,


Abstract In order to estimate the influence of plant architectural traits on the erosivity of throughfall we studied throughfall kinetic energy (KE) under tree saplings in a plantation-like experiment in the humid subtropics. Our analyses of rainfall and throughfall KE are based on measurements using calibrated splash cups. Two experiments were carried out, one focusing on density effects and the other testing for species-specific effects and effects of species mixtures. The major architectural traits were measured to characterize sapling morphology. Mixed effects ...


Event erosivity factor and errors in erosion predictions by some empirical models

Australian Journal of Soil Research, Vol. 41, No. 5. (2003), pp. 991-1003,


Analyses undertaken in this paper show that the Universal Soil Loss Equation (USLE) tends to overestimate low values of soil loss when the soil surface has a high capacity to infiltrate rainfall, but the degree of overestimation falls as the capacity of the soil to produce runoff increases. The USLE-M, a version of the USLE that uses the product of the runoff ratio and the EI30 as the event erosivity index, is more efficient in estimating soil loss because runoff is ...


Seasonal and spatial patterns of erosivity in a tropical watershed of the Colombian Andes

Journal of Hydrology, Vol. 314, No. 1-4. (25 November 2005), pp. 177-191,


The Dosquebradas Basin, in the central coffee growing region of Colombia, covers an area of 58 km<SUP>2</SUP> between 1350 and 2150 m of elevation, with an annual precipitation of 2600 3200 mm. Seasonal erosivity (EI30), as defined by the Revised Universal Soil Loss Equation (RUSLE), was calculated for 11 years of record (1987 1997) from six pluviographic stations located within 21 km of the basin. Regression models for each station indicated that storm rainfall explained 61 70% of the variation in storm erosivity. Individual storms represented as much as ...


A new procedure to estimate the RUSLE EI30 index, based on monthly rainfall data and applied to the Algarve region, Portugal

Journal of Hydrology, Vol. 250, No. 1-4. (September 2001), pp. 12-18,


One of the best indicators of the potential erosion risks is the rainfall–runoff erosivity factor (R) of the revised universal soil loss equation (RUSLE). Frequently, however, there is not enough data available to compute the R value, and other parameters, such as the modified Fournier index (Fmod), are used instead. But RUSLE is less effective if only the alternative procedures exist. One of the major discrepancies between R and the alternative parameters is time resolution: individual storms are used to calculate ...


Estimating RUSLE's rainfall factor in the part of Italy with a Mediterranean rainfall regime

Hydrology and Earth System Sciences, Vol. 8 (2004), pp. 103-107


The computation of the erosion index (EI), which is basic to the determination of the rainfall-runoff erosivity factor R of the Revised Universal Soil Loss Equation (RUSLE), is tedious and time-consuming and requires a continuous record of rainfall intensity. In this study, a power equation(r<SUP>2</SUP> = 0.867) involving annual erosion index (EI<SUB>30-annual</SUB>) in the Mediterranean part of Italy is obtained. Data from 12 raingauge stations are used to derive and then test a regional relationship for estimating the erosion index from only three rainfall parameters. Erosivity rainfall data derived ...

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