Extreme Climate Anomalies Enhancing Cyanobacterial Blooms in Eutrophic Lake Taihu, China

1. High rainfall in 2016 and warm winter in 2016/2017 in Lake Taihu was caused by a strong 2015/2016 El Niño and Atlantic Multi-decadal Oscillation and Pacific Decadal Oscillation
2. Warm winter in combination with high precipitation greatly promote phytoplankton proliferation and intense blooms in 2017 in Lake Taihu
3. Intense blooms led to high pH and dissolved oxygen depletion and further mobilized phosphorus from the sediment to promote blooms