@article{IroumeCareyBronstertetal.2011, author = {Iroume, Andres and Carey, Patricio and Bronstert, Axel and Huber, Anton and Palacios, Hardin}, title = {GIS application of USLE and MUSLE to estimate erosion and suspended sediment load in experimental catchments, Valdivia, Chile}, series = {Revista t{\´e}cnica de la Facultad de Ingenieria}, volume = {34}, journal = {Revista t{\´e}cnica de la Facultad de Ingenieria}, number = {2}, publisher = {Facultad de Ingenieria Universidad del Zulia}, address = {Maracaibo}, issn = {0254-0770}, pages = {119 -- 128}, year = {2011}, abstract = {This paper presents the results of a research aimed to quantify suspended sediment transport in three experimental catchments in southern Chile, to compare measured suspended sediment load with estimated erosion using the Universal Soil Loss Equation (USLE) applied in a GIS environment and to validate de Modified Universal Soil Loss Equation (MUSLE) used to estimate suspended sediment loads from forest catchments. The catchments are Los Pinos (94.2 ha), Los Ulmos 1 (12.6 ha) and Los Ulmos 2 (17.7 ha). Soil losses estimated with USLE for the three catchments are higher than those measured in runoff experimental lots under bare soil conditions, which could indicate an overestimation of the LS calculated in GIS and the fact that the USLE model does not compute sediment deposit and storage within the catchment. A statistical significant relation was found between measured and estimated (MUSLE) suspended sediment load, which would indicate that this model could be applied to estimate suspended sediment load from small catchments in southern Chile.}, language = {es} } @article{SotoBaeuerleArriagadaGonzalezCastroCorreaetal.2011, author = {Soto Baeuerle, Maria Victoria and Arriagada Gonzalez, Joselyn and Castro Correa, Carmen Paz and Maerker, Michael and Rodolfi, Giuliano}, title = {Relationship between the change in land use in the Aconcagua basin and its correlative sandy coastal. Central Chile}, series = {Revista de geograf{\´i}a Norte Grande}, journal = {Revista de geograf{\´i}a Norte Grande}, number = {50}, publisher = {Instituto de Geograf{\´i}a, Pontificia Universidad Cat{\´o}lica de Chile}, address = {Santiago}, issn = {0718-3402}, pages = {187 -- 202}, year = {2011}, abstract = {In the Aconcagua basin the modernization and intensification of land use have resulted both in an agricultural conversion, and the increase in area cultivated. This process has been very intense as far that have entered new areas beyond the limits of the valley and towards sloping ground. This signals changes in land use over the vegetation coverage models. The analysis of the geomorphology of the coastline in detail, accounts for the occurrence of transformations on the beach and dunes that are spatially less significant, but evolutionarily important, since they show a sediment feeding, which could be correlated with changes in vegetation cover in the basin}, language = {es} }