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dc.contributor.author Trasmonte, G.
dc.contributor.author Chavez, R.
dc.contributor.author Segura, B.
dc.contributor.author Rosales, J. L.
dc.date.accessioned 2018-11-05T18:38:53Z
dc.date.available 2018-11-05T18:38:53Z
dc.date.issued 2008-08
dc.identifier.govdoc index-oti2018 (NB)
dc.identifier.issn ‎16807359
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/3304
dc.description En: Advances in Geosciences, v. 14, (April 2008), p. 265-270.
dc.description.abstract "As part of the study on the Mantaro river basin’s (central Andes of Peru) current vulnerability to climate change, the temporal and spatial characteristics of frosts were analysed. These characteristics included intensity, frequency, duration, frost-free periods, area distribution and historical trends. Maps of frost risk were determined for the entire river basin, by means of mathematical algorithms and GIS (Geographic Information Systems) tools, using minimum temperature – 1960 to 2002 period, geomorphology, slope, landuse, types of soils, vegetation and life zones, emphasizing the rainy season (September to April), when the impacts of frost on agriculture are most severe. We recognized four categories of frost risks: low, moderate, high and critical. The critical risks (with a very high probability of occurrence) were related to high altitudes on the basin (altitudes higher than 3800 m a.s.l.), while the low (or null) probability of occurring risks were found in the lower zones (less than 2500 m a.s.l.). Because of the very intense agricultural activity and the high sensitivity of the main crops (Maize, potato, artichoke) in the Mantaro valley (altitudes between 3100 and 3300 m a.s.l.), moderate to high frost risks can be expected, with a low to moderate probability of occurrence. Another significant result was a positive trend of 8 days per decade in the number of frost days during the rainy season." es_ES
dc.format application/pdf es_ES
dc.language.iso en es_ES
dc.publisher Advanecs in Geosciences es_ES
dc.rights info:eu-repo/semantics/openAccess es_ES
dc.rights.uri http://creativecommons.org/licences/by-nc-nd/2.5/pe/ es_ES
dc.source Repositorio institucional - IGP es_ES
dc.subject Climatología--Perú-Observaciones es_ES
dc.subject Valle del río Mantaro (Perú)--Clima es_ES
dc.subject Heladas--Andes--Perú es_ES
dc.subject Precipitación (Meteorología)--Medición es_ES
dc.subject Lluvia y precipitación--Medición--Detección remota es_ES
dc.subject Lluvia y precipitación--Perú--Huancayo es_ES
dc.subject Agricultura--Aspectos ambientales es_ES
dc.subject Meteorología, Agricultura es_ES
dc.title Frost risks in the Mantaro river basin es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Clima es_ES
dc.subject.ocde Perú es_ES
dc.subject.ocde Precipitación es_ES
dc.subject.ocde Zona fria es_ES
dc.subject.ocde Influencia climática es_ES
dc.subject.ocde Estación fria es_ES
dc.subject.ocde Ríos es_ES
dc.subject.ocde Región andina es_ES
dc.subject.ocde Agricultura es_ES
dc.subject.ocde Prevención de desastres es_ES
dc.subject.ocde Temperatura es_ES
dc.subject.ocde Perú es_ES
dc.identifier.journal Advances in Geosciences es_ES
dc.description.peer-review Por pares es_ES

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