<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title></title><style type="text/css">.felamimail-body-blockquote {margin: 5px 10px 0 3px;padding-left: 10px;border-left: 2px solid #000088;} </style></head><body><span style="font-family: verdana; background-color: rgb(255, 255, 255);">Dear all,</span><div style="font-family: verdana; font-size: 13px; background-color: rgb(255, 255, 255);"><br><div style="font-size: 13px;">I would like to use ncl to calculate global MOC from the CCSM3 output, as default MOC calculations were turned off in my runs.</div><div style="font-size: 13px;">I found the function moc_globe_atl which does that: http://www.ncl.ucar.edu/Document/Functions/Built-in/moc_globe_atl.shtml.</div><div style="font-size: 13px;">Nevertheless, this function requires lat_aux_grid as input parameter, and this variable is again unfortunately not available from my model output runs.</div><div style="font-size: 13px;"><br></div><div style="font-size: 13px;">My question would be: Is there a way to compute lat_aux_grid from the model output variables ULAT (or TLAT) or similar?</div><div style="font-size: 13px;"><br></div><div style="font-size: 13px;">Alternatively I thought of computing global MOC manually adapting the algorithm described in https://www.ncl.ucar.edu/Applications/moc.shtml, using VVEL. </div><div style="font-size: 13px;">I was though wondering if neglecting the eddy-related meridional velocities would have a big impact on the results.</div><div style="font-size: 13px;"><br></div><div style="font-size: 13px;">I would appreciate any suggestions.</div><div style="font-size: 13px;"><br></div><div style="font-size: 13px;">Best wishes,</div></div><span style="font-family: verdana; background-color: rgb(255, 255, 255);">Amanda</span><span style="font-family: verdana; background-color: rgb(255, 255, 255);"></span></body></html>