Monsoon drought over Java, Indonesia, during the past two centuries

R D'Arrigo, Rob Wilson, J Palmer, P Krusic, A Curtis, J Sakulich, S Bijaksana, S Zulaikah, L O Ngkoimani

Research output: Contribution to journalArticlepeer-review

104 Citations (Scopus)

Abstract

Monsoon droughts, which often coincide with El Nino warm events, can have profound impacts on the populations of Southeast Asia. Improved understanding and prediction of such events can be aided by high-resolution proxy climate records, but these are scarce for the tropics. Here we reconstruct the boreal autumn (October-November) Palmer Drought Severity Index (PDSI) for Java, Indonesia (1787-1988). This reconstruction is based on nine ring-width chronologies derived from living teak trees growing on the islands of Java and Sulawesi, and one coral delta O-18 series from Lombok. The PDSI reconstruction correlates significantly with El Nino-Southern Oscillation (ENSO)-related sea surface temperatures and other historical and instrumental records of tropical climate, reflecting the strong coupling between the climate of Indonesia and the large scale tropical Indo-Pacific climate system.

Original languageEnglish
Pages (from-to)-
Number of pages4
JournalGeophysical Research Letters
Volume33
Issue number4
DOIs
Publication statusPublished - 24 Feb 2006

Keywords

  • SOUTHERN-OSCILLATION INDEX
  • SEA-SURFACE TEMPERATURE
  • AIR-TEMPERATURE
  • EL-NINO
  • RAINFALL
  • PREDICTABILITY

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