Soil erosion is a major environmental problem confronting land and water resources in south africa. Mapping of the soil erosion using the digital relief model. Erosion is a potential environmental issue because it usually washes away nutrientrich topsoil from lands. Soil erosion risk mapping using rusle model on jhargram. Pdf assessment of soil erosion in fragile himalayan. Soil erosion can also cause sedimentation of hydropower dams and result in significant economic losses due to frequent power cuts. Mapping soil erosion risk in rondonia, brazilian amazonia. We use principles of the universal soil loss equation usle and its. Field guide for mapping postfire soil burn severity annette parsons, peter r. In the current research, g2 is taking a step further with the introduction of. Six parameters are required for the soil erosion estimation, as described previously. Soil erosion risk mapping using rusle model on jhargram sub. Soil erosion occurs when soil is removed through the action of wind and water at a greater rate than it is formed soil the soil covering the surface of the earth has taken millions of years to form and we must learn to respect it.
Aug 21, 2008 the most common empirical erosion prediction models, integrating with rs and gis, are revised universal soil loss equation rusle, the water erosion prediction project wepp, and coordination of information on the environment corine, which can be used for erosion risk mapping. The soil erosion site the processes of soil erosion. Mapping soil erosion hotspots and assessing the potential impacts of land management practices in the highlands of ethiopia. In urban stormwater management manual, manual saliran. A recent conversion of the grasslands to cropland degrading the soil quality sq, and impacting the soil erosion and crop productivity in the west corn belt wcb of the usa. Regional soil erosion risk mapping using rusle, gis, and.
The project forms part of the soil map of italy project. Mapping potential soil erosion in east africa using the universal soil. Mapping soil erosion risk using rusle, gis and remote sensing techniques ahmed harb rabia1,2 1department of natural resources and agricultural engineering, faculty of agriculture, damanhur branch, alexandria university, damanhur 22511, elbehera, egypt. Remotely sensed data have been used to estimate the c factor distribution based on landcover.
This study aimed to assess the soil erosion susceptibility in this mountainous watershed using universal soil loss equation usle and spectral indices integrated with geographic information system gis environment. The purpose of this study was to estimate and map mean annual soil loss rates in the. The purpose of this study is to develop an overall methodology for assessing soil erosion hazard. The soil erodibility factor developed from soil sample plots data and soil map. Mapping soil erosion risk using rusle, gis and remote sensing. Gis and remote sensing for mapping soils and erosion hazard in the. The g2 model can provide erosion maps and statistical figures at monthtime intervals, by applying non datademanding alternatives for the estimation of all the erosion factors. Two models are implemented in haffouz watershed central tunisia, which is generally prone to erosion processes. Factors cropping management and conservation practice. Spatial analysis, integration, analytical photogrammetry, data integration, hazard mapping. Pdf regional soil erosion risk mapping in lebanon chadi. The effect of tillageinduced soil erosion can be shown as an example of mapping soil erosion stages using highresolution remote sensing data along with morphological and physicochemical field and laboratory data within central spain schmid et al.
Webbased gis application for soil erosion prediction. Mapping soil erosion hotspots and assessing the potential. Soil and erosion mapping on the port hills and banks. Due to the geographic landscape, soil and climatic conditions, and the latest deforestation activities, there has been intensive soil erosion which has resulted in prolonged and great impact on social and economic development of the region. Soil survey laboratory methods manual soil survey investigations report no. Pdf mapping soil erosion vulnerability using remote sensing. Soil erosion mapping and severity analysis based on rusle model. Estimation of soil erosion using remote sensing and gis and. Effects of soil erosion on soil properties as related to crop. Assessing soil erosion although soil erosion has been taking place very slowly in natural. Soil erosion in south africa its nature and distribution. Similarly, 43% and 35% of soil erosion occurred on cropland and. Spatial distribution of soil types within the study area.
This study presents the first mapping of soil erosion risk modelling based on the revised universal soil loss equation rusle at a. Mapping potential soil erosion in east africa using the. Soil erosion modeling using rusle and gis on dudhawa catchment. Rainfall erosivity soil erodibility slope length and steepness.
The soil erosion is the most serious environmental problem in watershed areas. Based on isohyets, a map of the rainfall erosivity factor r was developed from. It encompasses physical soil erosion, chemical salinity and alkalinity, pollution and biological deterioration pollution and. Mapping soil erosion risk using rusle, gis and remote.
The current study was conducted to estimate the spatial distribution of soil erosion at big sioux river bsr watershed scale using the geographical information system gisenabled revised universal soil loss equation. Using the remote sensing and gis technology for erosion risk. Assessment of data collected through scotlands environment web citizen science site. Soil erosion spatial prediction using digital soil mapping. Several models have been developed to estimate soil erosion and compute the amount of sediment yield due to erosion. Phosphorus p and potassium k lost due to soil erosion was calculated for estimating the cost of soil erosion. Identification and mapping of soil erosion processes using. Mapping soil erosion using usle by tejaswi bhardwaj due to inappropriate land use, erosion has become one of the most dangerous forms of soil degradation leading to significant reduction of soil fertility and crop yields.
Pdf soil erosion mapping by application of rusle and gis. Soil degradation is a serious global environmental problem and may be exacerbated by climate change. Since manual field measurement and determination of slope in a. Soil erosion by water is one of the major causes of land degradation in lebanon. The problem has not yet been treated in detail although it affects vast areas. Nov 15, 2017 the ikkour watershed located in the middle atlas mountain morocco has been a subject of serious soil erosion problems. This paper describes a new qualitative methodology for mapping soil erosion risks over large areas, called. Assessment of soil vulnerability to water erosion using gis. The subcatchments were prioritized based on the estimation of erosion. Further development of an app for mobile devices to. Many techniques and studies realized worldwide were done about the evaluation of soil loss. A natural process affected by human activities, erosion causes soil or layers of soil to be moved or worn away. Soil erosion risk assessment in italy european soil data centre. Additionally, the resultant maps of annual soil erosion show a maximum soil loss of 153.
Rusle approach the usle quantifies soil erosion as the product of rainfall erosivity r, soil erodibility k, slope length l, slope steepness s, cover and management practices c, and supporting conservation practices p. Mapping, in conclusion, helps to sheds light on some of the important challenges of today, in particular. Little or no mixing of the subsoil with the plow layer. Mapping wind erosion hazard in australia using modis. Mapping potential soil erosion in east africa using the usle and secondary data 399 methods potential erosion map. Mapping and assessment of soil erosion vulnerability is an important tool for planning and management of the natural resources. This research implies that remote sensing and gis provide promising tools for evaluating and mapping soil erosion risk in amazonia. Rs and gis technologies to develop soil erosion risk mapping for the. Applying erosion damage mapping to assess and quantify off. Field guide for mapping postfire soil burn severity. It is operated by the usda natural resources conservation service nrcs and provides access to the largest natural resource information system in the world. Mapping of kartalkaya dam watershed in kahramanmaras.
The results indicate that most successional and mature forests are in very low and low erosion risk areas, while agroforestry and pasture are usually associated with medium to high risk areas. However, when earthquakes occur, massive amounts of soil, including crops and forests are a. Using paprac model and gis tools for mapping and study of water erosion processes in the. Most of them are using the universal soil loss equation usle and its revised version rusle 16. For predicting the average annual soil loss using rusle method, six gridbased maps i. Scoping study citizen science for erosion monitoring 5. Assessment of soil vulnerability to water erosion using. Pdf this work investigates the extent of the soil erosion threat in the gaziantep province in southeastern anatolia by means of application of the. Development of pilot site for citizen science for erosion monitoring. The end product is a set of maps that can be used as an aid to identifying regions that are prone to erosion. Inherent soil erosion risk mapping based on soil type and slope 1.
Gisbased upland erosion mapping colorado state university. The spatial erosion maps generated with swat and gis can serve as effective inputs in deriving strategies for landuse planning and management in the. Mapping of soil erosion hotspot areas using gis basedmcda. Usle universal soil loss equation is most commonly. Using the remote sensing and gis technology for erosion. This standard erosion control plan is provided to assist in meeting this requirement. Because this study focuses onthe evaluation of soil erosion risk, instead of estimation of actual soil erosion loss, the r and p factors were not figure 3.
Mapping spatiotemporal soil erosion patterns in the. Gis and the rusle model to map and quantitatively predict patch and gully erosion. Its very essential to assessment and mapping of erosion prone area for management of watershed and soil conservation. Mapping of actual soil erosion in the swiss bernese central lowland erosion damage is continuously mapped over six years in a test region with 270 ha arable land in the bernese central. Land degradation, soil erosion and soil conservation pmf ias. Web soil survey wss provides soil data and information produced by the national cooperative soil survey. Effects of soil erosion on soil properties as related to. Estimation of soil erosion using remote sensing and gis.
May 01, 2019 land degradation soil degradation is the decline in soil quality caused by its improper use, usually for agricultural, pastoral, industrial or urban purposes. These models are often developed for different regions than where they are applied. Pdf on jun 1, 2017, balaji waghmare and others published mapping soil erosion risk. Soil erosion modeling using rusle and gis on dudhawa. Land use and soil conservation planning for large areas requires erosion risk maps, which are typically created using erosion models. Using remote sensing and gis find, read and cite all the research you need on researchgate. Jun 10, 2015 ndsu extension soil health specialist abbey wick, umn extension educator jodi dejonghughes, and ndsu extension soil specialist dave franzen talk about the process of soil erosion and how to. New soil and erosion mapping was undertaken on the eastern side of the port hills from the sign of the kiwi to gebbies pass. Pdf determining and mapping soil erodibility factor.
Soil erosion by water is a serious issue in afghanistan. Estimation of soil erosion using remote sensing and gis, its. Soil map units a soil map unit is a collection of areas defined and named the same in terms of their soil components e. Although soil erosion is a natural process, it is often accelerated by human activities, for example by the clearing of vegetation, soil tillage or overgrazing. In the iowa cooperative soil survey program, erosion classes are defined quantitatively. Soil erosion modeled with usle, gis, and remote sensing. This study leads where the most effective soil conservation strategies should focus in the area. Monthly rusle soil erosion risk of swiss grasslands. Soil erosion caused by water is an increasing global problem. Keywords soil erosion rusle model remote sensing data gis techniques soil conservation introduction growing demands on the land and better understanding of human forces on the environment are foremost to re. Two basic data sources were used for evaluating thecost of soil erosion. The first is a multiparametric approach based on experts knowledge and analytic hierarchy process ahp, while the second is a statistical technique based on logistic regression.
This can prevent future generations of plants from growing in eroded areas. Soil erosion is one of the most signifi cant environmental degradation processes. Using remote sensing and gis find, read and cite all the research. Soil erosion hazard mapping using analytic hierarchy process. Estimation of soil erosion risk using the universal soil loss. Pdf mapping soil erosion vulnerability using remote. From the study it can be inferred that soil erosion estimation using remote. This study aims at mapping soil erosion caused by water in the candelaro river basin, apulia region, italy, using the g2 erosion model. T value tolerable erosion equilibrium between soil gains and losses. Changes in soil erosion and sediment transport based on. Soil erosion of each of the subcatchment was estimated from the integrated map. This study elaborates a model for mapping soil erosion risk in a representative area of. Clark united states department of agriculture forest service rocky mountain research station general technical report rmrsgtr243 october 2010.
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