Particle-reactive radionuclides (&amp;lt;sup&amp;gt;234&amp;lt;/sup&amp;gt;Th, &amp;lt;sup&amp;gt;210&amp;lt;/sup&amp;gt;Pb, &amp;lt;sup&amp;gt;210&amp;lt;/sup&amp;gt;) as tracers for the estimation of export production in the South China Sea
Biogeosciences