# Share your insights on land ancillary requirements

**URL:** <https://forum.access-hive.org.au/t/share-your-insights-on-land-ancillary-requirements/5239>\
**Category:** Land Surface\
**Created:** [16 September 2025 08:44 UTC](https://forum.access-hive.org.au/t/share-your-insights-on-land-ancillary-requirements/5239 "2025-09-16T08:44:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![siyuan](https://avatars.discourse-cdn.com/v4/letter/s/d78d45/32.png) [@siyuan](https://forum.access-hive.org.au/u/siyuan)\
**Post date:** [16 September 2025 08:44 UTC](https://forum.access-hive.org.au/t/share-your-insights-on-land-ancillary-requirements/5239/1 "2025-09-16T08:44:44Z")

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Hi Everyone,

ECMWF is conducting a survey to gather input on requirements for land ancillary data development. This survey is not tied to any specific model and is intended to inform broader dataset and ancillary development efforts.

So far, there has been limited feedback from Australia. If you work with or have insights into land ancillary data, please consider to take part.

Here is the link for the survey:

> **[Land Ancillary Survey for Modellers](https://docs.google.com/forms/d/e/1FAIpQLSdI-69s8ovobrVDw8u_n7qFM2Vy8g30YibkItQteNngbzL37w/viewform?usp=header)**
>
> Thank you for participating in this survey on ancillary data needs for land and Earth system modelling.
> This survey follows from discussions and outcomes of ECMWF's 50th Anniversary Ancillaries Workshop. The goal is to better understand the current...