Global simulation of dissolved &amp;lt;sup&amp;gt;231&amp;lt;/sup&amp;gt;Pa and &amp;lt;sup&amp;gt;230&amp;lt;/sup&amp;gt;Th in the ocean and the sedimentary &amp;lt;sup&amp;gt;231&amp;lt;/sup&amp;gt;Pa∕&amp;lt;sup&amp;gt;230&amp;lt;/sup&amp;gt;Th ratios with the ocean general circulation model COCO ver4.0
Geoscientific model development