Hydroclimatic contrasts over Asian monsoon areas and linkages to tropical Pacific SSTs
East Asian Monsoon
Tropical monsoon climate
Tropical Eastern Pacific
DOI:
10.1038/srep33177
Publication Date:
2016-09-09T11:25:23Z
AUTHORS (11)
ABSTRACT
Abstract Knowledge of spatial and temporal hydroclimatic differences is critical in understanding climatic mechanisms. Here we show striking contrasts between northern southern parts the eastern margin Tibetan Plateau (ETP), those East Asian summer monsoon (EASM) Indian (ISM) areas during past ~2,000 years. During Medieval Period, last 100 to 200 years, ETP (S-ETP) area was generally dry (on average), while (N-ETP) wet. Little Ice Age (LIA), hydroclimate over S-ETP wet, that N-ETP average). Such can be broadly extended ISM EASM areas. We contend changes sea surface temperatures (SSTs) tropical Pacific Ocean could have played important roles producing these contrasts, by forcing north-south movement Intertropical Convergence Zone (ITCZ) intensification/slowdown Walker circulation. The results sensitivity experiments also support such a proposition.
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