# Updating land-use change in ACCESS restart files for new tiles

**URL:** <https://forum.access-hive.org.au/t/updating-land-use-change-in-access-restart-files-for-new-tiles/365>\
**Category:** Biogeochemistry Land\
**Tags:** python\
**Created:** [20 January 2023 10:45 UTC](https://forum.access-hive.org.au/t/updating-land-use-change-in-access-restart-files-for-new-tiles/365 "2023-01-20T10:45:12Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![tammasloughran](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.access-hive.org.au/tammasloughran/32/209_2.png) [@tammasloughran](https://forum.access-hive.org.au/u/tammasloughran)\
**Post date:** [29 January 2023 23:33 UTC](https://forum.access-hive.org.au/t/updating-land-use-change-in-access-restart-files-for-new-tiles/365/5 "2023-01-29T23:33:07Z")

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I’m stupid. It helps to use the correct cover fractions when plotting global totals. The pre-industrial line was using the cover fractions from my no crop run, so they were too high also. Correcting that brings them very close to each other.  
 ![Screenshot from 2023-01-30 10-26-03](https://us1.discourse-cdn.com/flex020/uploads/access1/original/1X/72c0982fa6f9126df8bbda3529645e8a78562f68.png)

Nevertheless, it remains that the existing `update_cable_vegfrac.py` is not quite suitable for simulations with large land-use change. My version of it that fixes the above issues is here, in case anyone is interested in the future:

> <https://github.com/tammasloughran/esm-esm-piNoCrops/blob/master/scripts/update_cable_vegfrac.py>

Thanks for the help Martin.

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