Changes in South Asian monsoon: New high-resolution paleoclimatic records from Tibet, China

Tang Lingyu, Shen Caiming, Liu Kambiu, Jonathan Overpeck

Research output: Contribution to journalArticle

Abstract

High-resolution pollen records from 6 small lakes in the Tibetan Plateau provided the details of evolution of South Asian monsoon since the Last Glacial Maximum. Prior to 16 kaBP, the region was a desert-steppe characterized by cold and dry climates, the January temperature was 7-10°C lower than that of present and the annual precipitation only accounted for 40% of the present. The temperature and precipitation increased gradually and trees began to live in the region after 12 kaBP, but during the interval from 9.2 to 6.3 kaBP, forest and forest-meadow appeared occasionally. From 8 to 5 kaBP, both January and July temperature was 2-3°C higher and annual precipitation was also about 200 mm higher than that of the present. After 5 kaBP, temperature and precipitation decreased linearly and steppe vegetation began to degenerate.

Original languageEnglish (US)
JournalChinese Science Bulletin
Volume45
Issue number1
StatePublished - 2000
Externally publishedYes

Keywords

  • Paleovegetation and paleoclimate
  • Pollen records
  • South Asian monsoon
  • Tibet

ASJC Scopus subject areas

  • General

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