Opened 10 years ago

Closed 10 years ago

#409 closed help (fixed)

LGM ancillary files

Reported by: iamack Owned by: um_support
Component: UM Model Keywords: ancillary
Cc: Platform:
UM Version: 4.5



I'm planning to run v4.5 HadCM3 or HadAM3 for the period of the last glacial maximum, and I note that there are some LGM-labelled ancillary files in the group ancillary directory on HECToR. Do you have any information on the origin of these files or how I might found out more about them?



Change History (2)

comment:1 Changed 10 years ago by iamack

Just to clarify, I'm referring to files such as qrclim_LGM.sst, in directory /work/n02/n02/hum/vn4.5/ancil/atmos/cl_9673 on HECToR.


comment:2 Changed 10 years ago by lois

  • Resolution set to fixed
  • Status changed from new to closed

Sorry for the delay in replying Ian but we really have no information about these ancillaries. These files will have been transferred from national service to national service and without a readme file their origins are really lost in the mists of time. It was probably someone working with Paul Valdes when he was at Reading who asked us to put them in the central directory so they could be shared.

The Met Office are still planning to have a metadata archive for their ancillary data and if this ever comes about then we would try to emulate it in order to preserve the provenance information. But without the information even this would not help.


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