This tag contains the HAM code as inherited from echam6.3.0-ham2.3-moz1.0 (https://redmine.hammoz.ethz.ch/projects/hammoz/wiki/Echam630-ham23-moz10) and further adapted for ICON. This is a pre-release version. In future, this code should become host-model-agnostic. Until now, however, this is not yet the case. The current HAM code is meant to be functional with the following icon base version: Tag 'icon-aes-1.3.00' from git@gitlab.dkrz.de:icon/icon-aes.git