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--- |
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language: |
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- en |
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--- |
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# CoastalBench-preview |
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\[[**Paper**](https://openreview.net/pdf?id=h3EEUJaMLu)\] \[[**GitHub**](https://github.com/spatialdatasciencegroup/CoastalBench)\] |
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> This repository contains a 90-day subset of the full **CoastalBench** dataset, provided as a lightweight preview. |
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## Dataset Overview |
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- **Time span**: 2008-01-02 to 2008-04-01 |
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- **Duration**: 90 days |
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- **Temporal resolution**: Half-hourly (48 time steps per day) |
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- **Spatial resolution**: 898 × 598 |
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- **Vertical levels**: 12 (for 3D ocean features) |
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- **Data type**: `float16` (This preview uses lower precision compared to the original NetCDF files for reduced storage) |
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## Variables |
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### Ocean and Meteorological Features |
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Each `.zarr` file contains 48 half-hourly time steps across 82 features, stacked along the first dimension. |
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The 82 features include: |
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- **3D variables** (each with 12 vertical levels, treated as 12 separate 2D channels): |
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- `u`: horizontal velocity (east-west) |
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- `v`: horizontal velocity (north-south) |
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- `w`: vertical velocity |
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- `temp` : temperature |
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- `salt` : salinity |
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- `AKs` : vertical mixing coefficient |
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- **2D surface variables**: |
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- `zeta`: sea surface height |
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- `Pair`: surface air pressure |
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- `Qair`: specific humidity |
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- `Tair`: air temperature |
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- `rain`: rainfall rate |
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- `swrad`: shortwave radiation |
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- `lwrad`: longwave radiation |
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- `Uwind`: u-wind component |
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- `Vwind`: v-wind component |
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- **Land-sea mask**: |
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- `mask`: binary mask (1 for ocean, 0 for land), included as the 82nd feature |
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All features are stacked into a single 4D tensor: `(features=82, height=898, width=598, time=48)` |
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### River Inputs |
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Each river Zarr file contains 48 half-hourly time steps of 25 features across 4 river locations. These features include: |
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- `river_transport`: river transport (1D) |
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- `river_temp`: temperature at 12 depth levels |
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- `river_salt`: salinity at 12 depth levels |
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All features are stored in a 3D array with shape `(features=25, rivers=4, time=48)` and are temporally aligned with the ocean and meteorological data. |
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## File Structure |
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``` |
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CoastalBench-preview/ |
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├── ocean_met/ |
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│ ├── 20080102.zarr/ |
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│ ├── 20080103.zarr/ |
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│ ├── ... |
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│ └── 20080401.zarr/ |
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│ |
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├── river/ |
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│ ├── 20080102.zarr/ |
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│ ├── 20080103.zarr/ |
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│ ├── ... |
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│ └── 20080401.zarr/ |
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``` |
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## Citation |
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Please cite our paper if you find this dataset useful for your work: |
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``` |
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@inproceedings{coastalbench, |
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title={CoastalBench: A Decade-Long High-Resolution Dataset to Emulate Complex Coastal Processes}, |
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author={Xu, Zelin and Zhang, Yupu and Xiao, Tingsong and Lizaso, Maitane Olabarrieta and Gonzalez-Ondina, Jose M and Liu, Zibo and Chen, Shigang and Jiang, Zhe}, |
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booktitle={Forty-second International Conference on Machine Learning}, |
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year={2025}, |
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} |
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``` |