"2" . . . "See Appendix D of the CF convention for information about parametric vertical coordinates. Note that the ocean sigma coordinate is not the same quantity as sea water sigma (excess of density over 1000 kg m-3), for which there are various other standard names."@en . "SDN:P07::CFSN0473" . "2019-05-14 17:27:19.0" . "false" . . "accepted"@en . "2" . . . "SDN:P07::CFSN0473" . . . "SDN:P07::CFSN0473" . "2019-05-14 17:27:19.0" . "ocean_sigma_coordinate"@en . "" . .