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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
23/11/2016 |
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Actualizado : |
18/12/2018 |
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Autor : |
ANDERSON, W.; SEAGER, R.; BAETHGEN, W.; CANE, M. |
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Afiliación : |
WESTON ANDERSON, Department of Earth and Environmental Sciences, Columbia University, USA; Lamont-Doherty Earth Observatory, Columbia University, New York, USA.; RICHARD SEAGER, Lamont-Doherty Earth Observatory, Columbia University, USA; WALTER BAETHGEN, Regional and Sectorial Research Program, International Research Institute for Climate and Society, USA; MARK CANE, Lamont-Doherty Earth Observatory, Columbia University, New York, USA. |
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Título : |
Life cycles of agriculturally relevant ENSO teleconnections in North and South America. |
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Fecha de publicación : |
2016 |
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Fuente / Imprenta : |
International Journal of Climatology, 2016, Version of Record online : 11 NOV 2016, DOI: 10.1002/joc.4916 |
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DOI : |
10.1002/joc.4916 |
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Idioma : |
Inglés |
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Notas : |
Received 26 May 2016; Revised 30 August 2016; Accepted 10 September 2016 |
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Contenido : |
ABSTRACT
The characteristic evolution of El Niño Southern Oscillation (ENSO) on timescales of months to years means that risks to agriculture have structure between seasons and years. The potential for consecutive ENSO-induced yield anomalies is of particular interest in major food producing areas, where modest changes in yield have significant effects on global markets. In this study, we analyse how multi-year El Niño and La Niña life cycles relate to climate sensitive portions of major crop-growing seasons in North and South America.
We analyse the dynamics underlying these life cycles to illustrate which aspects of the system are most important for agriculture. In North America, the same-season teleconnections affecting soybean and maize have been well studied, but we demonstrate the importance of lagged soil moisture teleconnections for wheat in the southern Great Plains. In South America, peak ENSO sea surface temperature (SST) teleconnections are concurrent with, and therefore critical for, wheat and maize growing seasons while soil moisture memory in Argentina plays an important role during the soybean growing season.
Finally, we show that ENSO teleconnection life cycles are consistent with historical yield anomalies. Both El Niño and La Niña life cycles tend to force consecutive seasons of either above or below expected yields. While the magnitude of the yield anomalies forced by ENSO is often modest, they occur in major crop-producing regions.
© 2016 Royal Meteorological Society MenosABSTRACT
The characteristic evolution of El Niño Southern Oscillation (ENSO) on timescales of months to years means that risks to agriculture have structure between seasons and years. The potential for consecutive ENSO-induced yield anomalies is of particular interest in major food producing areas, where modest changes in yield have significant effects on global markets. In this study, we analyse how multi-year El Niño and La Niña life cycles relate to climate sensitive portions of major crop-growing seasons in North and South America.
We analyse the dynamics underlying these life cycles to illustrate which aspects of the system are most important for agriculture. In North America, the same-season teleconnections affecting soybean and maize have been well studied, but we demonstrate the importance of lagged soil moisture teleconnections for wheat in the southern Great Plains. In South America, peak ENSO sea surface temperature (SST) teleconnections are concurrent with, and therefore critical for, wheat and maize growing seasons while soil moisture memory in Argentina plays an important role during the soybean growing season.
Finally, we show that ENSO teleconnection life cycles are consistent with historical yield anomalies. Both El Niño and La Niña life cycles tend to force consecutive seasons of either above or below expected yields. While the magnitude of the yield anomalies forced by ENSO is often modest, they occur in major crop-producing regions.
© 2016 Royal Meteo... Presentar Todo |
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Palabras claves : |
AGRICULTURE; EL NIÑO; EL NIÑO OSCILACIÓN SUR; EL NIÑO SOUTHERN OSCILLATION; ENSO; LA NIÑA; MAIZE; SOYBEAN; WHEAT. |
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Thesagro : |
CLIMA; MAÍZ; SOJA; TRIGO. |
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Asunto categoría : |
P40 Meteorología y climatología |
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Marc : |
LEADER 02509naa a2200337 a 4500
001 1056118
005 2018-12-18
008 2016 bl uuuu u00u1 u #d
024 7 $a10.1002/joc.4916$2DOI
100 1 $aANDERSON, W.
245 $aLife cycles of agriculturally relevant ENSO teleconnections in North and South America.$h[electronic resource]
260 $c2016
500 $aReceived 26 May 2016; Revised 30 August 2016; Accepted 10 September 2016
520 $aABSTRACT The characteristic evolution of El Niño Southern Oscillation (ENSO) on timescales of months to years means that risks to agriculture have structure between seasons and years. The potential for consecutive ENSO-induced yield anomalies is of particular interest in major food producing areas, where modest changes in yield have significant effects on global markets. In this study, we analyse how multi-year El Niño and La Niña life cycles relate to climate sensitive portions of major crop-growing seasons in North and South America. We analyse the dynamics underlying these life cycles to illustrate which aspects of the system are most important for agriculture. In North America, the same-season teleconnections affecting soybean and maize have been well studied, but we demonstrate the importance of lagged soil moisture teleconnections for wheat in the southern Great Plains. In South America, peak ENSO sea surface temperature (SST) teleconnections are concurrent with, and therefore critical for, wheat and maize growing seasons while soil moisture memory in Argentina plays an important role during the soybean growing season. Finally, we show that ENSO teleconnection life cycles are consistent with historical yield anomalies. Both El Niño and La Niña life cycles tend to force consecutive seasons of either above or below expected yields. While the magnitude of the yield anomalies forced by ENSO is often modest, they occur in major crop-producing regions. © 2016 Royal Meteorological Society
650 $aCLIMA
650 $aMAÍZ
650 $aSOJA
650 $aTRIGO
653 $aAGRICULTURE
653 $aEL NIÑO
653 $aEL NIÑO OSCILACIÓN SUR
653 $aEL NIÑO SOUTHERN OSCILLATION
653 $aENSO
653 $aLA NIÑA
653 $aMAIZE
653 $aSOYBEAN
653 $aWHEAT
700 1 $aSEAGER, R.
700 1 $aBAETHGEN, W.
700 1 $aCANE, M.
773 $tInternational Journal of Climatology, 2016, Version of Record online : 11 NOV 2016, DOI: 10.1002/joc.4916
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