Análisis comparativo de diferentes índices de sequía para aplicaciones ecológicas, agrícolas e hidrológicas

  1. Sergio M. Vicente-Serrano
  2. Santiago Beguería 1
  3. Jorge Lorenzo-Lacruz
  4. Jesús Julio Camarero 1
  5. Juan I. López-Moreno
  6. César Azorín-Molina 1
  7. Jesús Revuelto
  8. Enrique Morán-Tejeda
  9. Arturo Sánchez-Lorenzo 2
  1. 1 Consejo Superior de Investigaciones Científicas
    info

    Consejo Superior de Investigaciones Científicas

    Madrid, España

    ROR https://ror.org/02gfc7t72

  2. 2 Swiss Federal Institute of Technology in Zurich
    info

    Swiss Federal Institute of Technology in Zurich

    Zúrich, Suiza

    ROR https://ror.org/05a28rw58

Book:
Cambio climático. Extremos e impactos: [ponencias presentadas al VIII Congreso Internacional de la Asociación Española de Climatología]
  1. Concepción Rodríguez Puebla (coord.)
  2. Antonio Ceballos Barbancho (coord.)
  3. Nube González Reviriego (coord.)
  4. Enrique Morán Tejeda (coord.)
  5. Ascensión Hernández Encinas (coord.)

Publisher: Asociación Española de Climatología

ISBN: 978-84-695-4331-3

Year of publication: 2012

Pages: 679-689

Congress: Asociación Española de Climatología. Congreso (8. 2012. Salamanca)

Type: Conference paper

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Abstract

In this study we provide a global assessment of the performance of different drought indices for monitoring drought impacts to streamflows, soil moisture, forest growth and crop yields. For this purpose, we compare the Standardized Precipitation Index (SPI), four versions of the Palmer Drought Severity Index (PDSI) and the Standardized Precipitation Evapotranspiration Index (SPEI). We have found a higher capability of the SPEI and the SPI drought indices, which are calculated on different time-scales, than the Palmer indices to explain the drought impacts. We have found small differences in the performance of the SPI and the SPEI indices, but the SPEI has been the drought index that records the best correlations between drought and the response variables in summer, the season in which more drought-related impacts are recorded and in which drought monitoring is critical.

Data source: Dialnet