Prof. Tatiana Ilyina<p><span class="h-card"><a href="https://wisskomm.social/@MPI_Meteo" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>MPI_Meteo</span></a></span> </p><p>The most computationally expensive part of such models is the transport (by <a href="https://mas.to/tags/advection" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>advection</span></a> and <a href="https://mas.to/tags/diffusion" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>diffusion</span></a>) of <a href="https://mas.to/tags/biogeochemical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biogeochemical</span></a> <a href="https://mas.to/tags/tracers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tracers</span></a> (zoo and <a href="https://mas.to/tags/phytoplankton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>phytoplankton</span></a> <a href="https://mas.to/tags/nutrients" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nutrients</span></a>, organic and inorganic <a href="https://mas.to/tags/carbon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>carbon</span></a>, etc) with the <a href="https://mas.to/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ocean</span></a> <a href="https://mas.to/tags/flow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>flow</span></a>.</p><p>The more tracers we include to represent the complexity of <a href="https://mas.to/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ocean</span></a> biogeochemistry, the slower are the model runs. Same problem arises when the <a href="https://mas.to/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spatial</span></a> <a href="https://mas.to/tags/resolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>resolution</span></a> of an <a href="https://mas.to/tags/ESM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESM</span></a> increases.</p><p>Biogeochemistry models can become a bottleneck in <a href="https://mas.to/tags/ESM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESM</span></a> computations. 2/</p>