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<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dc="http://purl.org/dc/elements/1.1/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><identifier>I36-R142-123456789-5665</identifier><datestamp>2016-11-30T16:08:49Z</datestamp>
<dc:title>Las precipitaciones en el noreste de la región pampeana (Provincia de Buenos Aires, Argentina) entre 1745-1900. Una reconstrucción histórica</dc:title>
<dc:creator>Deschamps, Jorge</dc:creator>
<dc:creator>Otero, Osvaldo</dc:creator>
<dc:creator>Tonni, Eduardo P.</dc:creator>
<dc:subject>Agricultura</dc:subject>
<dc:subject>Ganadería</dc:subject>
<dc:subject>Precipitaciones</dc:subject>
<dc:subject>Clima</dc:subject>
<dc:subject>vegetación</dc:subject>
<dc:subject>pampas</dc:subject>
<dc:subject>Buenos Aires, Argentina</dc:subject>
<dc:subject>agriculture</dc:subject>
<dc:subject>livestock</dc:subject>
<dc:subject>rainfall</dc:subject>
<dc:subject>weather</dc:subject>
<dc:subject>vegetation</dc:subject>
<dc:subject>pampas</dc:subject>
<dc:subject>Buenos Aires, Argentina</dc:subject>
<dc:description>Rain precipitations variations in the Buenos Aires province surroundings in Argentina has
been studied. This research included a period of years which goes from 1745 to 1900. A graphic where
950 mm is considered as the rain average towards the end of the 19th. century has also been designed.
In this work, “dry years” refers to the amount of 450 mm yearly to 600 mm, “regular years” includes the
amount between 600 and 950 mm and “wet years” are those when rains were over 950 mm. The annual
“rain days” are transformed in millilitres by multiplying for a 10 coefficient. Thus, it is found that the precipitations
have increased approximately and in average about 200 mm every fifty years. The following
times are regarded as years with strong draughts: 1751-1760; 1771-1780 and 1826-1835. Years 1841-
1850; 1875-1884 and 1890-1899 are characterized by rains.The vegetation transformations, along with
the increase in rains, are due to the introduction of exotic vegetal species, fires for pasturelands and the
stamping on and feeding of the introduced cattle. In 150 years the name has changed from “desierto”
(desert) to “pampa húmeda” (wet pampa) in the studied region.</dc:description>
<dc:description>A través fundamentalmente de relatos de viajeros, se analizan las variaciones de las
precipitaciones en los alrededores de Buenos Aires, Argentina, entre los años 1745 a 1900. Se estima
como media histórica para fines del siglo XIX, a 950 mm; partiendo de esa media, se consideran “años
secos” a aquellos cuyo régimen pluvial se hallaba comprendido entre 450 mm y 600 mm anuales, “años
normales” los comprendidos entre 600mm y 950 mm, y “años húmedos“, aquellos con precipitaciones
superiores a 950mm. Al examinar los datos instrumentales de las precipitaciones, se formula la hipótesis
que los denominados “días con lluvia” en los relatos de los viajeros, son compatibles con precipitaciones
de 10 mm. Consecuentemente, se establece también que las precipitaciones en promedio, aumentaron
aproximadamente unos 200 mm cada cincuenta años. Se destacan como épocas con fuertes sequías a
los períodos 1751-1760, 1771-1780 y 1826-1835, y con precipitaciones muy abundantes a los períodos
1841-1850, 1875-1884 y 1890-1899. Las transformaciones que sufrió la vegetación en forma paralela
al aumento de las lluvias se debieron a la implantación de especies vegetales exóticas, quemas para el
manejo de los pastizales, el pisoteo y alimentación del ganado exótico introducido. En 150 años se pasó
del “desierto” a la “pampa húmeda”.</dc:description>
<dc:date>2015-07-14T17:17:26Z</dc:date>
<dc:date>2015-07-14T17:17:26Z</dc:date>
<dc:date>2014</dc:date>
<dc:type>Working Paper</dc:type>
<dc:identifier>http://repositorio.ub.edu.ar/handle/123456789/5665</dc:identifier>
<dc:language>es</dc:language>
<dc:relation>Documentos de Trabajo;N° 304</dc:relation>
<dc:publisher>Universidad de Belgrano - Facultad de Ciencias Agrarias</dc:publisher>
</oai_dc:dc>
Datos convertidos
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"collection": [
"Repositorio Institucional - Universidad de Belgrano (UB)"
],
"language": [
"Espa\u00f1ol"
],
"topic": [
"Agricultura",
"Ganader\u00eda",
"Precipitaciones",
"Clima",
"vegetaci\u00f3n",
"pampas",
"Buenos Aires, Argentina",
"agriculture",
"livestock",
"rainfall",
"weather",
"vegetation",
"pampas",
"Buenos Aires, Argentina"
],
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"agriculture",
"livestock",
"rainfall",
"weather",
"vegetation",
"pampas",
"Buenos Aires, Argentina",
"Deschamps, Jorge",
"Otero, Osvaldo",
"Tonni, Eduardo P.",
"Las precipitaciones en el noreste de la regi\u00f3n pampeana (Provincia de Buenos Aires, Argentina) entre 1745-1900. Una reconstrucci\u00f3n hist\u00f3rica"
],
"topic_facet": [
"Agricultura",
"Ganader\u00eda",
"Precipitaciones",
"Clima",
"vegetaci\u00f3n",
"pampas",
"Buenos Aires, Argentina",
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"description": "Rain precipitations variations in the Buenos Aires province surroundings in Argentina has\r\nbeen studied. This research included a period of years which goes from 1745 to 1900. A graphic where\r\n950 mm is considered as the rain average towards the end of the 19th. century has also been designed.\r\nIn this work, \u201cdry years\u201d refers to the amount of 450 mm yearly to 600 mm, \u201cregular years\u201d includes the\r\namount between 600 and 950 mm and \u201cwet years\u201d are those when rains were over 950 mm. The annual\r\n\u201crain days\u201d are transformed in millilitres by multiplying for a 10 coefficient. Thus, it is found that the precipitations\r\nhave increased approximately and in average about 200 mm every fifty years. The following\r\ntimes are regarded as years with strong draughts: 1751-1760; 1771-1780 and 1826-1835. Years 1841-\r\n1850; 1875-1884 and 1890-1899 are characterized by rains.The vegetation transformations, along with\r\nthe increase in rains, are due to the introduction of exotic vegetal species, fires for pasturelands and the\r\nstamping on and feeding of the introduced cattle. In 150 years the name has changed from \u201cdesierto\u201d\r\n(desert) to \u201cpampa h\u00fameda\u201d (wet pampa) in the studied region.",
"format": [
"Working Paper"
],
"author": [
"Deschamps, Jorge",
"Otero, Osvaldo",
"Tonni, Eduardo P."
],
"author_facet": [
"Deschamps, Jorge",
"Otero, Osvaldo",
"Tonni, Eduardo P."
],
"author_sort": "Deschamps, Jorge",
"title": "Las precipitaciones en el noreste de la regi\u00f3n pampeana (Provincia de Buenos Aires, Argentina) entre 1745-1900. Una reconstrucci\u00f3n hist\u00f3rica",
"title_short": "Las precipitaciones en el noreste de la regi\u00f3n pampeana (Provincia de Buenos Aires, Argentina) entre 1745-1900. Una reconstrucci\u00f3n hist\u00f3rica",
"title_full": "Las precipitaciones en el noreste de la regi\u00f3n pampeana (Provincia de Buenos Aires, Argentina) entre 1745-1900. Una reconstrucci\u00f3n hist\u00f3rica",
"title_fullStr": "Las precipitaciones en el noreste de la regi\u00f3n pampeana (Provincia de Buenos Aires, Argentina) entre 1745-1900. Una reconstrucci\u00f3n hist\u00f3rica",
"title_full_unstemmed": "Las precipitaciones en el noreste de la regi\u00f3n pampeana (Provincia de Buenos Aires, Argentina) entre 1745-1900. Una reconstrucci\u00f3n hist\u00f3rica",
"title_sort": "las precipitaciones en el noreste de la regi\u00f3n pampeana (provincia de buenos aires, argentina) entre 1745-1900. una reconstrucci\u00f3n hist\u00f3rica",
"publisher": [
"Universidad de Belgrano - Facultad de Ciencias Agrarias"
],
"publishDate": [
"2015"
],
"url": [
"http:\/\/repositorio.ub.edu.ar\/handle\/123456789\/5665"
],
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