60 kyr of leaf wax ddca" title="Click to view the MathML source">δD$\delta \mathrm{D}$ and sediment geochemistry from Lake Towuti, Indonesia.

2 years of modern data support regional, not local, controls on precipitation δD.

The Last Glacial Maximum was dry, but regional precipitation was isotopically light.

Convergence of depleted moisture sources intensified during the glacial period.