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Observed Trends in Indices of Daily Temperature Extremes in South America 1960–2000.

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Title: Observed Trends in Indices of Daily Temperature Extremes in South America 1960–2000.
Authors: Vincent, L. A.1 Lucie.Vincent@ec.gc.ca, Peterson, T. C.2, Barros, V. R.3, Marino, M. B.4, Rusticucci, M.3, Carrasco, G.5, Ramirez, E.6, Alves, L. M.7, Ambrizzi, T.8, Berlato, M. A.9, Grimm, A. M.10, Marengo, J. A.7, Molion, L.11, Moncunill, D. F.12, Rebello, E.13, Anunciação, Y. M. T.13, Quintana, J.14, Santos, J. L.15, Baez, J.16, Coronel, G.17
Source: Journal of Climate. Dec2005, Vol. 18 Issue 23, p5011-5023. 13p. 5 Charts, 1 Graph, 5 Maps.
Subject Terms: *Climate change, *Soil temperature, *Climatology, *Soil moisture, *Soil physics, *Soil infiltration, *Rainfall, *Meteorology, *Meteorological precipitation
Abstract: A workshop on enhancing climate change indices in South America was held in Maceió, Brazil, in August 2004. Scientists from eight southern countries brought daily climatological data from their region for a meticulous assessment of data quality and homogeneity, and for the preparation of climate change indices that can be used for analyses of changes in climate extremes. This study presents an examination of the trends over 1960–2000 in the indices of daily temperature extremes. The results indicate no consistent changes in the indices based on daily maximum temperature while significant trends were found in the indices based on daily minimum temperature. Significant increasing trends in the percentage of warm nights and decreasing trends in the percentage of cold nights were observed at many stations. It seems that this warming is mostly due to more warm nights and fewer cold nights during the summer (December–February) and fall (March–May). The stations with significant trends appear to be located closer to the west and east coasts of South America. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Climate is the property of American Meteorological Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Observed Trends in Indices of Daily Temperature Extremes in South America 1960–2000.
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  Data: <searchLink fieldCode="AR" term="%22Vincent%2C+L%2E+A%2E%22">Vincent, L. A.</searchLink><relatesTo>1</relatesTo><i> Lucie.Vincent@ec.gc.ca</i><br /><searchLink fieldCode="AR" term="%22Peterson%2C+T%2E+C%2E%22">Peterson, T. C.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Barros%2C+V%2E+R%2E%22">Barros, V. R.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Marino%2C+M%2E+B%2E%22">Marino, M. B.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Rusticucci%2C+M%2E%22">Rusticucci, M.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Carrasco%2C+G%2E%22">Carrasco, G.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Ramirez%2C+E%2E%22">Ramirez, E.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Alves%2C+L%2E+M%2E%22">Alves, L. M.</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Ambrizzi%2C+T%2E%22">Ambrizzi, T.</searchLink><relatesTo>8</relatesTo><br /><searchLink fieldCode="AR" term="%22Berlato%2C+M%2E+A%2E%22">Berlato, M. A.</searchLink><relatesTo>9</relatesTo><br /><searchLink fieldCode="AR" term="%22Grimm%2C+A%2E+M%2E%22">Grimm, A. M.</searchLink><relatesTo>10</relatesTo><br /><searchLink fieldCode="AR" term="%22Marengo%2C+J%2E+A%2E%22">Marengo, J. A.</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Molion%2C+L%2E%22">Molion, L.</searchLink><relatesTo>11</relatesTo><br /><searchLink fieldCode="AR" term="%22Moncunill%2C+D%2E+F%2E%22">Moncunill, D. F.</searchLink><relatesTo>12</relatesTo><br /><searchLink fieldCode="AR" term="%22Rebello%2C+E%2E%22">Rebello, E.</searchLink><relatesTo>13</relatesTo><br /><searchLink fieldCode="AR" term="%22Anunciação%2C+Y%2E+M%2E+T%2E%22">Anunciação, Y. M. T.</searchLink><relatesTo>13</relatesTo><br /><searchLink fieldCode="AR" term="%22Quintana%2C+J%2E%22">Quintana, J.</searchLink><relatesTo>14</relatesTo><br /><searchLink fieldCode="AR" term="%22Santos%2C+J%2E+L%2E%22">Santos, J. L.</searchLink><relatesTo>15</relatesTo><br /><searchLink fieldCode="AR" term="%22Baez%2C+J%2E%22">Baez, J.</searchLink><relatesTo>16</relatesTo><br /><searchLink fieldCode="AR" term="%22Coronel%2C+G%2E%22">Coronel, G.</searchLink><relatesTo>17</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Climate%22">Journal of Climate</searchLink>. Dec2005, Vol. 18 Issue 23, p5011-5023. 13p. 5 Charts, 1 Graph, 5 Maps.
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  Data: *<searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br />*<searchLink fieldCode="DE" term="%22Soil+temperature%22">Soil temperature</searchLink><br />*<searchLink fieldCode="DE" term="%22Climatology%22">Climatology</searchLink><br />*<searchLink fieldCode="DE" term="%22Soil+moisture%22">Soil moisture</searchLink><br />*<searchLink fieldCode="DE" term="%22Soil+physics%22">Soil physics</searchLink><br />*<searchLink fieldCode="DE" term="%22Soil+infiltration%22">Soil infiltration</searchLink><br />*<searchLink fieldCode="DE" term="%22Rainfall%22">Rainfall</searchLink><br />*<searchLink fieldCode="DE" term="%22Meteorology%22">Meteorology</searchLink><br />*<searchLink fieldCode="DE" term="%22Meteorological+precipitation%22">Meteorological precipitation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A workshop on enhancing climate change indices in South America was held in Maceió, Brazil, in August 2004. Scientists from eight southern countries brought daily climatological data from their region for a meticulous assessment of data quality and homogeneity, and for the preparation of climate change indices that can be used for analyses of changes in climate extremes. This study presents an examination of the trends over 1960–2000 in the indices of daily temperature extremes. The results indicate no consistent changes in the indices based on daily maximum temperature while significant trends were found in the indices based on daily minimum temperature. Significant increasing trends in the percentage of warm nights and decreasing trends in the percentage of cold nights were observed at many stations. It seems that this warming is mostly due to more warm nights and fewer cold nights during the summer (December–February) and fall (March–May). The stations with significant trends appear to be located closer to the west and east coasts of South America. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Climate is the property of American Meteorological Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1175/JCLI3589.1
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        Text: English
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