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|Title:||Monthly soil erosion monitoring based on remotely sensed biophysical parameters: a case study in Strymonas river basin towards a functional pan-European service|
|Authors:||PANAGOS Panagiotis; KARYDAS Christos G.; GITAS Ioannis Z.; MONTANARELLA Luca|
|Citation:||INTERNATIONAL JOURNAL OF DIGITAL EARTH vol. 5 no. 6 p. 461-487|
|Publisher:||TAYLOR & FRANCIS LTD|
|JRC Publication N°:||JRC65457|
|Type:||Articles in Journals|
|Abstract:||Currently, many soil erosion studies at local, regional, national or continental scale use models based on the USLE-family approaches. Applications of these models pay little attention to seasonal changes, despite evidence in the literature which suggests that erosion risk may change rapidly according to intra-annual rainfall figures and vegetation phenology. This paper emphasises the aspect of seasonality in soil erosion mapping by using month-step rainfall erosivity data and biophysical time series data derived from remote-sensing. The latter, together with other existing pan-European geo-databases sets the basis for a functional pan-European service for soil erosion monitoring at a scale of 1:500,000. This potential service has led to the establishment of a new modelling approach (called the G2 model) based on the inheritance of USLE-family models. The G2 model proposes innovative techniques for the estimation of vegetation and protection factors. The model has been applied in a 14,500 km2 study area in SE Europe covering a major part of the basin of the cross-border river, Strymonas. Model results were verified with erosion and sedimentation figures from previous research. The study confirmed that monthly erosion mapping would identify the critical months and would allow erosion figures to be linked to specific land uses.|
|JRC Institute:||Institute for Environment and Sustainability|
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