%0 Journal Article
%T Tropical viticulture to great altitude. Conditions and expressions of the terroir Viticultura tropical a gran altitud. Condiciones y expresiones del terroir
%A Marco Quijano Rico
%J Cultura Cient赤fica
%D 2009
%I Fundaci車n Universitaria Juan de Castellanos
%X During 1982 started our wine growing project at the Puntalarga Hill, between2500 and 2600 meters a.s.l.: 5.78 oN, 72.98 oW, on the East Andes mountainschain. Pinot noir, white Riesling and Riesling x Silvaner crossings are the most planted grape vines. Since 1984 research and development activities arecarried out on pertinent subjects. Low latitude, high altitude, relatively low rainfall, frequent atmospheric transparency, determines intensity and spectral composition of incident solar radiationas well as temperature's day/night change extent and low night values that are the tropical highland's climate features of the region. Vine behavior and grape and wine characteristics indicate that, local climatic conditions could be considered thermally equivalent to those of selected, well known temperate wine growing regions. Coexistence over the year of all grapevine developmental stages and the production of vintages with good sugar content and acidity levels, suitable for the production of wine remarkable in aroma and color intensity, are possible under those conditions. At the territories of the project, the climatic conditions over the year are equivalent to those of autumnal wine grape ripening time in a temperate climate. Atthe same time solar radiation flow is relatively constant and UV-B rich. Both factors result in special features of local grapes, which could be considered as being terroir expressions. Nuestro proyecto se inici車 en 1982 en la Loma de Puntalarga, entre 2500 y2600 metros de altitud, a 5,78 oN y 72,98 oW, en la cordillera oriental de los Andes. Las variedades m芍s utilizadas actualmente son Pinot noir, Riesling y cruzamientos de Riesling x Silvaner. Desde 1984 se realizan trabajos de investigaci車n sobre temas pertinentes. La baja latitud, la elevada altitud, el volumen de precipitaci車n relativamente modesto y la transparencia del cielo, determinan el flujo de radiaci車n solar incidente y su composici車n espectral, as赤 como la amplitud del cambio de temperatura entre el d赤a y la noche y las bajas temperaturas nocturnas, que son los rasgos del clima fr赤o imperante en la regi車n. El comportamiento de las cepas y las caracter赤sticas del vino indican que las condiciones clim芍ticas locales, pueden considerarse t谷rmicamente equivalentesa las de ciertos territorios tradicionales renombrados. La coexistencia durante el a o de todos los estadios de vegetaci車n de la vid y la producci車n de vendimias con buen contenido de az迆car y niveles suficientes de acidez, hace posible la elaboraci車n de vinos de calidad sobresaliente, de modo secuencial y continuo
%K radiaci車n
%K grado de cambio de temperatura
%K d赤as cortos
%K maduraci車n
%K uva
%U http://www.revistasjdc.com/main/index.php/ccient/article/view/50