Ancillary files to generate a localised multi-envelope s-coordinate system in the Southern Ocean area of the UK GOSI10 eddy-permitting global ocean and sea-ice configuration

Ancillary files to generate a localised multi-envelope s-coordinate system in the Southern Ocean area of the UK GOSI10 eddy-permitting global ocean and sea-ice configuration as documented @ https://github.com/JMMP-Group/GOSI-SO/wiki/2.-HPGE-tests-for-envelopes.本辅助文件用于生成英国GOSI10涡容许全球海洋与海冰配置方案中南大洋区域的局地多包络s坐标系，相关说明详见文档：https://github.com/JMMP-Group/GOSI-SO/wiki/2.-HPGE-tests-for-envelopes。