# Cryosphere Community Datapool & ccdtools: Release Information

**URL:** <https://forum.access-hive.org.au/t/cryosphere-community-datapool-ccdtools-release-information/6998>\
**Category:** ACCESS-NRI Releases\
**Tags:** python, release, data, cryosphere, ccdtools, cryosphere-datapool\
**Created:** [16 September 2026 07:32 UTC](https://forum.access-hive.org.au/t/cryosphere-community-datapool-ccdtools-release-information/6998 "2026-09-16T07:32:38Z")\
**Posts on this page:** 1\
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**Author:** ![mtetley](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.access-hive.org.au/mtetley/32/495_2.png) [@mtetley](https://forum.access-hive.org.au/u/mtetley)\
**Post date:** [16 September 2026 22:30 UTC](https://forum.access-hive.org.au/t/cryosphere-community-datapool-ccdtools-release-information/6998/3 "2026-09-16T22:30:41Z")

</div>

# Cryosphere Community Datapool and ccdtools release

🚀 **Release** : `ccdtools` v0.2.1

**What can you expect to be able to do with this?**

A user should be able to

- install `ccdtools` into their own Python environment from PyPI, conda or GitHub.
- discover, search and load datasets from the [Cryosphere Community Datapool (CCD)](https://docs.access-hive.org.au/model_evaluation/data/cryosphere_datapool/) on NCI _Gadi_ directly from a Python workflow, script or notebook, returning Pandas DataFrames, GeoPandas GeoDataFrames or Xarray Datasets as appropriate.

## About the Cryosphere Community Datapool (CCD)

The Cryosphere Community Datapool (CCD) is a joint data sharing and discovery project between ACCESS-NRI and the [Cryospheric Sciences Working Group (CSWG)](https://forum.access-hive.org.au/c/cryosphere/34). The CCD has been designed as an open-access and freely available cryospheric data resource for the Australian scientific community, and houses a variety of datasets commonly used to parameterise ice sheet models. The CCD is hosted on the NCI _Gadi_ supercomputer within project `av17`.

Datasets are currently grouped into the following categories:

- **Elevation and geometry** — digital elevation models and key geometry attributes, including bed topography/bathymetry, ice surface elevation, ice thickness, and ice/ocean masks.
- **Ice velocity** — ice velocity parameters, including surface ice velocities and associated error estimates.
- **Geospatial** — geospatial information commonly used to discretise ice sheet models, including ice sheet basin boundaries and grounding line locations.
- **Basal forcing** — basal forcing fields, such as geothermal heat flux and ice shelf basal melt datasets.
- **Surface forcing** — surface forcing fields, such as temperature and surface mass balance.
- **ISMIP6 simulation** — results from ISMIP6 model simulations of Antarctica and Greenland.
- **ISMIP6 forcing** — forcing parameters, such as surface mass balance, surface temperature, surface wind speeds and geothermal heat flux.

`ccdtools` is the open-source Python interface to the CCD, developed by ACCESS-NRI. A full list and description of the available datasets, including their _Gadi_ paths and original sources, is maintained on the [ACCESS-Hive Docs CCD page](https://docs.access-hive.org.au/model_evaluation/data/cryosphere_datapool/).

### 📢 **THIS IS A BETA RELEASE** 📢

This is a beta release while building the data repository, rolling out features and getting feedback from the community.

More information on release stages are available on the Hive Docs:

[Release stages - ACCESS-Hive Docs](https://docs.access-hive.org.au/about/releases/#release-stages-for-model-configurations)

## Feedback

We welcome feedback from all interested users. This is a chance to improve this proposed new release.

Please provide feedback through relevant channels within #Cryosphere > Cryosphere Community DataPool (CCD) community space on this forum.

ACCESS-NRI is interested in all feedback, positive or negative, but in particular we would like to know:

- Are the instructions clear and easy to follow? Is there anything unclear, missing or incorrect?
- Are there datasets you use regularly that are missing from the CCD?

## Prerequisites

The CCD data is hosted on NCI _Gadi_. To use it you need to:

- [Set up your NCI account](https://docs.access-hive.org.au/getting_started/set_up_nci_account)
- Join the [`av17`](https://my.nci.org.au/mancini/project/av17/join) and [`cm45`](https://my.nci.org.au/mancini/project/cm45/join) NCI projects

## How to use

Install from PyPI:

```auto
pip install access-ccdtools

```

or with conda, from the `accessnri` channel:

```auto
conda install accessnri::access_ccdtools

```

Then, from Python for an example dataset:

```python
# 1. Initialize the catalog
catalog = DataCatalog()

# 2. Browse and search for datasets
results = catalog.search('ice velocity')
catalog # View interactive catalog

# 3. Load data
data = catalog.load_dataset('dataset_name', version='v1', subdataset='sub1')

```

- [ccdtools documentation](https://ccdtools.readthedocs.io/latest/) — [overview](https://ccdtools.readthedocs.io/latest/overview.html), [installation](https://ccdtools.readthedocs.io/latest/installation.html), [tutorials](https://ccdtools.readthedocs.io/latest/tutorials.html) and [API reference](https://ccdtools.readthedocs.io/latest/ccdtools.html)
- [Cryosphere Community Datapool - ACCESS-Hive Docs](https://docs.access-hive.org.au/model_evaluation/data/cryosphere_datapool/) — full dataset list, _Gadi_ paths and sources

## Features

✅ **Unified dataset catalog** : a centralised catalog of cryosphere-focused datasets maintained in a flexible YAML configuration.  
✅ **Dataset discovery and search** : keyword search across dataset names, display names and descriptive tags (e.g. “antarctica”, “ice velocity”, “ice thickness”), plus an interactive catalog view.  
✅ **Version and subdataset management** : support for datasets with multiple versions and hierarchical subdatasets, enabling access to specific data variants and historical version comparisons.  
✅ **Flexible data loaders** : CSV, GeoPackage, Shapefile, GeoTIFF and NetCDF handled transparently, returning Pandas DataFrames, GeoPandas GeoDataFrames or Xarray Datasets.  
✅ **Resolution and parameter filtering** : for datasets with multiple resolutions or static/annual variants, the correct data subset is filtered and loaded automatically.  
✅ Available from [PyPI](https://pypi.org/project/access-ccdtools/) and [conda](https://anaconda.org/channels/accessnri/packages/access_ccdtools/overview), with [documentation](https://ccdtools.readthedocs.io/latest/) and tutorials.

### Common use cases

- **Model initialisation** — quickly access ice sheet model input datasets (topography, velocities, boundaries).
- **Scientific analysis** — discover and load multi-source cryosphere datasets for comparative studies.
- **Data discovery** — explore available datasets and their properties through keyword search.
- **Version control** — access specific dataset versions for reproducibility and validation studies.

## Limitations

🛑 The CCD data is hosted on NCI _Gadi_ and is only accessible from _Gadi_ (including ARE). `ccdtools` does not download or mirror data locally.  
🛑 Membership of the `av17` and `cm45` NCI projects is required.  
🛑 `ccdtools` is under active development. The API may change between releases.

## Future developments

🚧 Continued expansion of the CCD dataset catalog in response to community requests.  
🚧 Further development of the `ccdtools` API, loaders and tutorials.  
🚧 Contributions from the community to expand both dataset offerings and enhance functionality.

To request a new dataset be added to the CCD, or an update to a currently supported dataset, please [create an issue](https://github.com/ACCESS-NRI/ccdtools/issues) in the ccdtools GitHub repository using the **New Dataset Request** template. For broader discussions around cryospheric data, please start a thread in the [Cryosphere Community Datapool category](https://forum.access-hive.org.au/c/cryosphere/data) of the ACCESS-Hive Forum.

## Credits (Latest developments only)

⭐ Development of `ccdtools` (@lawrenceabird @mtetley @justinh2002)

⭐ Curation and deployment of the Cryosphere Community Datapool (@lawrenceabird @mtetley)

⭐ Documentation (@lawrenceabird @mtetley)

⭐ Dataset suggestions and testing from the [Cryospheric Sciences Working Group](https://forum.access-hive.org.au/c/cryosphere/34)

## Support

Replies to this topic are disabled.

If you have specific questions about **this release** please add a topic on this forum and tag with #help ([more information about support](https://forum.access-hive.org.au/t/access-help-and-support/908) for ACCESS-NRI’s released software).

## Resources

- [ccdtools GitHub repository](https://github.com/ACCESS-NRI/ccdtools)
- [ccdtools documentation](https://ccdtools.readthedocs.io/latest/)
- [Cryosphere Community Datapool - ACCESS-Hive Docs](https://docs.access-hive.org.au/model_evaluation/data/cryosphere_datapool/)
- [access-ccdtools on PyPI](https://pypi.org/project/access-ccdtools/) and [access\_ccdtools on conda](https://anaconda.org/channels/accessnri/packages/access_ccdtools/overview)
- [Cryospheric Sciences Working Group - ACCESS-Hive Forum](https://forum.access-hive.org.au/c/cryosphere/34)
- [Contributing to ccdtools](https://ccdtools.readthedocs.io/latest/contributing.html)
- [ISMIP6 datasets in the NCI Data Catalogue](https://geonetwork.nci.org.au/geonetwork/srv/eng/catalog.search#/metadata/f8457_7185_0011_6384)

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_[View the full topic](https://forum.access-hive.org.au/t/cryosphere-community-datapool-ccdtools-release-information/6998)._
