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Add dataset card

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+ ---
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+ license: mit
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+ task_categories:
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+ - image-to-image
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+ tags:
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+ - climate
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+ - downscaling
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+ - super-resolution
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+ - weather
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+ - meteorology
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+ - deep-learning
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+ language:
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+ - en
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+ size_categories:
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+ - 10K<n<100K
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+ ---
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+
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+ # Climate Downscaling Dataset (S2S)
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+
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+ A dataset for climate data spatial downscaling from low resolution (16×16) to high resolution (64×64).
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+
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+ ## Dataset Description
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+
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+ This dataset contains climate variables for training deep learning models to perform statistical downscaling. The data is preprocessed and ready for use with PyTorch-based frameworks.
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+
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+ ### Data Format
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+
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+ The dataset consists of PyTorch tensor files (`.pt`) with the following structure:
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+
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+ | Key | Shape | Description |
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+ |-----|-------|-------------|
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+ | `LR_input` | `[C, T, 16, 16]` | Low-resolution input (C=7 channels, T=time steps) |
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+ | `HR_target` | `[C, T, 64, 64]` | High-resolution target |
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+ | `HR_topo` | `[2, 64, 64]` | Topographic data (elevation and slope) |
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+
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+ ### Files
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+
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+ | File | Size | Description |
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+ |------|------|-------------|
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+ | `dict_s2s_train.pt` | 8.6 GB | Training set |
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+ | `dict_s2s_test.pt` | 1.8 GB | Test set |
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+ | `dict_s2s_val.pt` | 873 MB | Validation set |
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+ | `HR_topo.nc` | 58 KB | Topographic data (NetCDF format) |
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+
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+ ### Input Channels
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+
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+ The 7 input channels in `LR_input` typically include:
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+ - Temperature (t2m)
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+ - Geopotential height
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+ - U-wind component
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+ - V-wind component
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+ - Relative humidity
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+ - Surface pressure
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+ - Other meteorological variables
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+
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+ ### Scale Factor
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+
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+ - **Input resolution**: 16×16
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+ - **Output resolution**: 64×64
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+ - **Scale factor**: 4x
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+
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+ ## Usage
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+
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+ ### Loading the Data
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+
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+ ```python
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+ import torch
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+
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+ # Load training data
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+ train_data = torch.load('dict_s2s_train.pt')
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+
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+ lr_input = train_data['LR_input'] # [C, T, 16, 16]
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+ hr_target = train_data['HR_target'] # [C, T, 64, 64]
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+ hr_topo = train_data['HR_topo'] # [2, 64, 64]
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+
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+ # Transpose to [T, C, H, W] for batch processing
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+ lr_input = lr_input.permute(1, 0, 2, 3)
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+ hr_target = hr_target.permute(1, 0, 2, 3)
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+
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+ print(f"Number of samples: {lr_input.shape[0]}")
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+ print(f"Input shape: {lr_input.shape}")
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+ print(f"Target shape: {hr_target.shape}")
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+ ```
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+
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+ ### With Hugging Face Datasets
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+
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+ ```python
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+ from huggingface_hub import hf_hub_download
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+
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+ # Download specific file
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+ train_path = hf_hub_download(
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+ repo_id="YOUR_USERNAME/climate-downscaling-s2s",
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+ filename="dict_s2s_train.pt",
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+ repo_type="dataset"
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+ )
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+
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+ train_data = torch.load(train_path)
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+ ```
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+
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+ ## Citation
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+
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+ If you use this dataset, please cite:
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+
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+ ```bibtex
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+ @dataset{climate_downscaling_s2s,
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+ title={Climate Downscaling Dataset for Deep Learning},
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+ year={2025},
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+ url={https://huggingface.co/datasets/YOUR_USERNAME/climate-downscaling-s2s}
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+ }
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+ ```
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+
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+ ## License
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+
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+ This dataset is released under the MIT License.