Catchment-wide estimate of single storm interrill soil erosion using an aggregate instability index: A model based on geographic information systems

dc.contributor.author	Tsimi, C	en
dc.contributor.author	Ganas, A	en
dc.contributor.author	Dimoyiannis, D	en
dc.contributor.author	Valmis, S	en
dc.contributor.author	Lekkas, E	en
dc.date.accessioned	2014-06-06T06:51:41Z
dc.date.available	2014-06-06T06:51:41Z
dc.date.issued	2012	en
dc.identifier.issn	0921030X	en
dc.identifier.uri	http://dx.doi.org/10.1007/s11069-012-0114-8	en
dc.identifier.uri	http://62.217.125.90/xmlui/handle/123456789/5629
dc.subject	GIS	en
dc.subject	Greece	en
dc.subject	Mourgani basin	en
dc.subject	Soil erosion	en
dc.subject.other	canopy architecture	en
dc.subject.other	catchment	en
dc.subject.other	GIS	en
dc.subject.other	ground cover	en
dc.subject.other	index method	en
dc.subject.other	instability	en
dc.subject.other	interrill erosion	en
dc.subject.other	modeling	en
dc.subject.other	rainfall	en
dc.subject.other	soil erosion	en
dc.subject.other	Greece	en
dc.subject.other	Mourgani Basin	en
dc.subject.other	Thessaly	en
dc.subject.other	Trikala	en
dc.title	Catchment-wide estimate of single storm interrill soil erosion using an aggregate instability index: A model based on geographic information systems	en
heal.type	journalArticle	en
heal.identifier.primary	10.1007/s11069-012-0114-8	en
heal.publicationDate	2012	en
heal.abstract	The main objective of this paper is to estimate interrill erosion after rainfall in the basin of Mourganis river (442 km 2; Kalabaka province, Trikala prefecture, Thessaly, Greece). For the estimation of the interrill erosion, the method of Valmis et al. (1988) was used, in combination with Nearing et al. (1989). Input data of the algorithm include the slope angle of the ground surface, the rainfall, the ground cover type, the height of canopy, and the instability of ground of the study area. The spatial data were processed by standard GIS software. Soil samples were collected in the field to calibrate the model. The results comprise soil erosion maps for two specific rainfall scenarios. The first rainfall scenario refers to the most extreme rainfall in this catchment that happened on the 7/21/1959 with 48 mm/h. The second scenario is closer to average as the intensity rainfall is 3. 54 mm/h. The total mass of eroded material ranges from 0. 048 t/ha (assuming mean rainfall intensity) up to 3.5 t/ha (for the extreme scenario). We note that the western part of the Mourgani basin exhibits higher erosion than the eastern part. © 2012 Springer Science+Business Media B.V.	en
heal.journalName	Natural Hazards	en
dc.identifier.issue	3	en
dc.identifier.volume	62	en
dc.identifier.doi	10.1007/s11069-012-0114-8	en
dc.identifier.spage	863	en
dc.identifier.epage	875	en