Evidencias de cambio climático en Colombia: tendencias y cambios de fase y amplitud de los ciclos anual y semianual
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| Format: | Artículo científico |
| Langue: | en |
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Instituto Francés de Estudios Andinos
1998
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| _version_ | 1876422683456962560 |
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| author | Germán Poveda |
| author_facet | Germán Poveda |
| contents | Evidencias de cambio climático en Colombia: tendencias y cambios de fase y amplitud de los ciclos anual y semianual Germán Poveda Oscar Mesa Luis F. Carvajal Andrés Ochoa Carlos Pérez Multidisciplinarias (Ciencias Sociales) Several statistical techniques and tests are performed trying to detect signals of climatic change in hydroclimatic records of Colombia, including identifying possible changes in the mean and the variance of the records, as well as detection of trends and non-homogeneities of the records. Results confirm positive trends in minimum and mean temperature records throughout Colombia. Precipitation series exhibit no clear spatial signal. Most important rivers basins appear to exhibit decreasing trends in discharge. Deforestation and changes in evapotranspiration could account for the observed trends. Complex Demodulation (CD) is used to examine the evolution of amplitude and phase of climatic records. CD confirms shifts in phase and amplitude of annual and semi-annual cycles. These results have tremendous impact on water resources availability and their planning and operation. 1998 artículo científico 0303-7495 https://www.redalyc.org/articulo.oa?id=12627318 en http://www.redalyc.org/revista.oa?id=126 Bulletin de l'Institut français d'études andines application/pdf Instituto Francés de Estudios Andinos Bulletin de l'Institut français d'études andines (Perú) Num.3 Vol.27 |
| format | Artículo científico |
| id | redalyc_12627318 |
| institution | Redalyc |
| language | en |
| publishDate | 1998 |
| publisher | Instituto Francés de Estudios Andinos |
| spellingShingle | Evidencias de cambio climático en Colombia: tendencias y cambios de fase y amplitud de los ciclos anual y semianual Germán Poveda Multidisciplinarias (Ciencias Sociales) Evidencias de cambio climático en Colombia: tendencias y cambios de fase y amplitud de los ciclos anual y semianual Germán Poveda Oscar Mesa Luis F. Carvajal Andrés Ochoa Carlos Pérez Multidisciplinarias (Ciencias Sociales) Several statistical techniques and tests are performed trying to detect signals of climatic change in hydroclimatic records of Colombia, including identifying possible changes in the mean and the variance of the records, as well as detection of trends and non-homogeneities of the records. Results confirm positive trends in minimum and mean temperature records throughout Colombia. Precipitation series exhibit no clear spatial signal. Most important rivers basins appear to exhibit decreasing trends in discharge. Deforestation and changes in evapotranspiration could account for the observed trends. Complex Demodulation (CD) is used to examine the evolution of amplitude and phase of climatic records. CD confirms shifts in phase and amplitude of annual and semi-annual cycles. These results have tremendous impact on water resources availability and their planning and operation. 1998 artículo científico 0303-7495 https://www.redalyc.org/articulo.oa?id=12627318 en http://www.redalyc.org/revista.oa?id=126 Bulletin de l'Institut français d'études andines application/pdf Instituto Francés de Estudios Andinos Bulletin de l'Institut français d'études andines (Perú) Num.3 Vol.27 |
| title | Evidencias de cambio climático en Colombia: tendencias y cambios de fase y amplitud de los ciclos anual y semianual |
| topic | Multidisciplinarias (Ciencias Sociales) |
| url | https://www.redalyc.org/articulo.oa?id=12627318 |