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license: cc-by-4.0
pretty_name: CICE Consortium input data (mirror)
tags: [sea-ice, CICE, climate, forcing]
---
# CICE Consortium input data (mirror)
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## 数据进度与范围 / Status & Coverage
_最后更新 (last updated): 2026-10-19 01:27 CST (UTC+8)_
| 产品 (product) | 状态 (status) | 时间范围 (temporal) | 空间范围/分辨率 (spatial) | 变量 (variables) | 文件数 / 大小 (files / size) |
|---|---|---|---|---|---|
| CICE Consortium input data (`gx1/ gx3/ tx1/ ...`) | ✅ 完成 (done) 36/36 (100.0%)，MD5 与 Zenodo 全部核对 | 各数据包原始时段 (as packaged by CICE, see table below) | gx3 / gx1 / tx1 等 CICE 网格 (CICE test grids) | 网格、初始场、强迫场 (grid, IC, forcing) | 36 / 171.19 GB |
| ERA5 surface forcing (`ERA5/`) | ⏳ 进行中 (in progress) 12/60 (20.0%) 月 (months) | 计划 (planned) 2005-01 – 2009-12；已上传 (available) 2005-01 – 2005-12；正在处理 (in progress) 2006-01 | 全球 (global), 0.25° × 0.25°, 逐小时 (hourly) | u10 v10 t2m d2m tp sf ssrd strd msl sp | 12 / 118.79 GB（每月一个 zip，约 9–10 GB） |
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This is an unofficial mirror of the input data for the [CICE sea ice model](https://github.com/CICE-Consortium/CICE), as listed on the official [CICE Input Data wiki page](https://github.com/CICE-Consortium/CICE/wiki/CICE-Input-Data). All data are produced and published by the **CICE Consortium** on Zenodo. Files are the original, unmodified `.tar.gz` archives (not unpacked); MD5 checksums were verified against Zenodo.
> **Official statement:** these data are provided for testing the code only. They are not meant to be used for publishing scientific results.
## Contents
| Item | Directory | Zenodo record | DOI | License |
|---|---|---|---|---|
| gx3 grid + initial conditions (CICE gx3 grid and initial condition files. 2023.10.27) | `gx3/` | [10048023](https://zenodo.org/records/10048023) | [10.5281/zenodo.10048023](https://doi.org/10.5281/zenodo.10048023) | CC-BY-4.0 |
| gx3 JRA55do forcing (CICE gx3 JRA55do Forcing Data - 2023.07.03) | `gx3/` | [8117763](https://zenodo.org/records/8117763) | [10.5281/zenodo.8117763](https://doi.org/10.5281/zenodo.8117763) | CC-BY-4.0 |
| gx3 JRA55 forcing (CICE gx3 JRA55 Forcing Data - 2020.03.20) | `gx3/` | [3728364](https://zenodo.org/records/3728364) | [10.5281/zenodo.3728364](https://doi.org/10.5281/zenodo.3728364) | CC-BY-4.0 |
| gx3 WW3 forcing (CICE gx3 WW3 Forcing Data - 2020.03.20) | `gx3/` | [3728360](https://zenodo.org/records/3728360) | [10.5281/zenodo.3728360](https://doi.org/10.5281/zenodo.3728360) | CC-BY-4.0 |
| gx3 NCAR_bulk forcing (CICE gx3 NCAR_bulk Forcing Data - 2020.03.20) | `gx3/` | [3728362](https://zenodo.org/records/3728362) | [10.5281/zenodo.3728362](https://doi.org/10.5281/zenodo.3728362) | CC-BY-4.0 |
| gx1 grid + initial conditions (CICE gx1 Grid and Initial Condition Data - 2021.08.16) | `gx1/` | [5208241](https://zenodo.org/records/5208241) | [10.5281/zenodo.5208241](https://doi.org/10.5281/zenodo.5208241) | CC-BY-4.0 |
| gx1 JRA55do forcing by year (CICE gx1 JRA55do Forcing Data by year - 2023.07.03) | `gx1/` | [8118062](https://zenodo.org/records/8118062) | [10.5281/zenodo.8118062](https://doi.org/10.5281/zenodo.8118062) | CC-BY-4.0 |
| gx1 JRA55 forcing by year (CICE JRA55 gx1 forcing by year. 2020.03.20) | `gx1/` | [8118239](https://zenodo.org/records/8118239) | [10.5281/zenodo.4601646](https://doi.org/10.5281/zenodo.4601646) | CC-BY-4.0 |
| gx1 WOA forcing (CICE gx1 WOA Forcing Data - 2020.03.20) | `gx1/` | [3728600](https://zenodo.org/records/3728600) | [10.5281/zenodo.3728600](https://doi.org/10.5281/zenodo.3728600) | CC-BY-4.0 |
| gx1 COREII forcing (deprecated) (CICE gx1 COREII Forcing Data - 2020.03.20) | `gx1/` | [3731012](https://zenodo.org/records/3731012) | [10.5281/zenodo.3731012](https://doi.org/10.5281/zenodo.3731012) | CC-BY-4.0 |
| CESM slab ocean forcing gx1 (CESM climatological 2D ocean forcing gx1 2021.04.02) | `gx1/` | [4660188](https://zenodo.org/records/4660188) | [10.5281/zenodo.4660188](https://doi.org/10.5281/zenodo.4660188) | CC-BY-4.0 |
| tx1 grid + initial conditions (CICE tx1 grid and initial condition files. 2020.05.12) | `tx1/` | [4670721](https://zenodo.org/records/4670721) | [10.5281/zenodo.4670721](https://doi.org/10.5281/zenodo.4670721) | CC-BY-4.0 |
| tx1 JRA55do forcing by year (CICE tx1 JRA55do Forcing Data by year - 2023.07.03) | `tx1/` | [8118183](https://zenodo.org/records/8118183) | [10.5281/zenodo.8118183](https://doi.org/10.5281/zenodo.8118183) | CC-BY-4.0 |
| tx1 JRA55 forcing by year (CICE JRA55 Forcing on tx1 grid by year. 2023-09-19) | `tx1/` | [10045026](https://zenodo.org/records/10045026) | [10.5281/zenodo.10045026](https://doi.org/10.5281/zenodo.10045026) | CC-BY-4.0 |
| tx1m grid (CICE tx1m grid files. 2026.10.01) | `tx1m/` | [23074022](https://zenodo.org/records/23074022) | [10.5281/zenodo.23074022](https://doi.org/10.5281/zenodo.23074022) | CC-BY-4.0 |
| tx1m JRA55do 2005 (CICE JRA55do forcing on tx1m grid. 2026.10.01) | `tx1m/` | [23074421](https://zenodo.org/records/23074421) | [10.5281/zenodo.23074421](https://doi.org/10.5281/zenodo.23074421) | CC-BY-4.0 |
| SNICAR optics (SNICAR related forcings for CICE/Icepack 2021.01.21) | `snicar/` | [5208209](https://zenodo.org/records/5208209) | [10.5281/zenodo.5208209](https://doi.org/10.5281/zenodo.5208209) | CC-BY-4.0 |
| gx1 50-year forcing generation scripts (optional) | `optional/` | — | ftp://ftp.cgd.ucar.edu/archive/Model-Data/CICE/gx1_50yr_scrip.tar.gz | not specified (NCAR/UCAR public FTP) |
Not mirrored: the gx1 and tx1 JRA55 *multi-year* tar files (Zenodo 3731014, 10044769); they contain the same data as the per-year files included here.
## Directory layout
Mirrors the `CICE_data/` grid organisation. Unpack each archive inside your `CICE_data/` directory (`tar xzf <file>`), as described in the wiki.
- `gx3/` – 3° displaced-pole grid: grid + initial conditions, JRA55do, JRA55, WW3, NCAR_bulk forcing
- `gx1/` – 1° displaced-pole grid: grid + IC (3 versions: 20210319, 20210402, 20210816 — the wiki points at the latest), JRA55do and JRA55 by year (2005–2009), WOA, COREII (deprecated), CESM slab-ocean forcing (two versions)
- `tx1/` – 1° tripole grid: grid + IC, JRA55do and JRA55 by year (2005–2009)
- `tx1m/` – tx1m grid and JRA55do 2005 forcing
- `snicar/` – SNICAR snow optical-property tables
- `optional/` – optional 50-year gx1 forcing scripts
- `manifest.csv` – path, size, md5, source DOI/URL, verification status for every file
## Citation
Please cite the Zenodo DOIs above and the CICE Consortium. For the atmospheric forcing:
- **JRA55**: Kobayashi, S., et al. (2015). The JRA-55 Reanalysis: General specifications and basic characteristics. *J. Meteor. Soc. Japan*, 93(1), 5–48. https://doi.org/10.2151/jmsj.2015-001
- **JRA55-do**: Tsujino, H., et al. (2018). JRA-55 based surface dataset for driving ocean–sea-ice models (JRA55-do). *Ocean Modelling*, 130, 79–139. https://doi.org/10.1016/j.ocemod.2018.07.002
## ERA5 surface forcing (`ERA5/`)
Hourly ERA5 single-level reanalysis fields, added alongside the CICE data for building custom atmospheric forcing.
- **Source:** Copernicus Climate Change Service (C3S), ERA5 hourly data on single levels from 1940 to present (`reanalysis-era5-single-levels`), downloaded from the [Climate Data Store](https://cds.climate.copernicus.eu/datasets/reanalysis-era5-single-levels). Files are unmodified CDS output.
- **Period:** 2005-01 – 2009-12, all hours, global 0.25° grid, one NetCDF file per month: `ERA5/<year>/era5_sl_<YYYYMM>.nc` (kept as `.zip` if CDS delivered a zip).
- **Variables:** 10m_u_component_of_wind, 10m_v_component_of_wind, 2m_temperature, 2m_dewpoint_temperature, total_precipitation, snowfall, surface_solar_radiation_downwards, surface_thermal_radiation_downwards, mean_sea_level_pressure, surface_pressure.
- **Manifest:** `ERA5/manifest.csv` (path, size, md5, time steps).
- **License:** CC-BY 4.0. Contains modified Copernicus Climate Change Service information [2026]. Neither the European Commission nor ECMWF is responsible for any use of this information.
- **Citation:** Hersbach, H., et al. (2020). The ERA5 global reanalysis. *Q. J. R. Meteorol. Soc.*, 146, 1999–2049. https://doi.org/10.1002/qj.3803
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