<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hello MITgcm gurus,<div class=""><br class=""></div><div class="">I am using advection scheme 7 with overlapping Olx=Oly=8, and I have been getting the 3D diagnostics oceSPtnd looking like this (I hope the attachment work, if not i'm including also a link to a figure) where the checkerboard squares are exactly 8x8 in size. This is a plot for the top level (k=1).. The problem exists for other depths too. </div><div class=""><br class=""></div><div class="">This diagnostic is filled inside salt_plume_tendency_apply_s.F </div><div class=""> CALL DIAGNOSTICS_FILL (<br class=""> & plumetend,'oceSPtnd',k,1,2,bi,bj,myThid )<br class=""><br class=""></div><div class="">with arguments specifying that we're passing in a tile with overlaping regions.</div><div class=""><br class=""></div><div class="">I can't seem to find where the problem might be. There is an exact diagnostics, which is filled outside of that subroutine under the diagnostic name SPtd_SLT, and it has the same problem. </div><div class=""><br class=""></div><div class="">Could you suggest where I can get started to diagnose the problem? it looks like there is a missing exchange somewhere ?</div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">An</div><div class=""><br class=""></div><div class="">link to figure in case it's not seen with this message:</div><div class=""><a href="https://utexas.box.com/s/pg8s0zq9gv47cg6xtht755shndk7s9or" class="">https://utexas.box.com/s/pg8s0zq9gv47cg6xtht755shndk7s9or</a></div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="27BEDF35-029B-434C-8A28-E3AA6F3209FF" width="585" height="559" src="cid:92F2AF16-0BF2-419C-89C1-2ED0C7010F48@home" class=""></div></body></html>