arco-era5

重现分析准备与云优化（ARCO）ERA5数据集的配方。

  • 语言Python
  • 默认分支main
  • 大小8.0 MB
  • 更新3 周前
在 GitHub 打开
avatargoogle-research
513
4322
Apache License 2.0

项目介绍

google-research/arco-era5 是一个托管在 GitHub 上的开源项目，主要使用 Python 编写，采用 Apache License 2.0 许可证，目前获得 513 个 Star、43 次 Fork。

仓库全名
google-research/arco-era5
开源许可证
Apache License 2.0
Star 数
513
Fork 数
43
未关闭 Issue
22

README 摘要

Analysis-Ready, Cloud Optimized ERA5 Recipes for reproducing Analysis-Ready & Cloud Optimized (ARCO) ERA5 datasets. Introduction • Overview • Get Started with Colab Notebooks • Analysis Ready Data • Raw Cloud Optimized Data • Project roadmap • How to reproduce • FAQs • How to cite this work • License Introduction Our goal is to make a global history of the climate highly accessible in the cloud. To that end, we…

完整内容见 GitHub 原始 README 或本页 。

常见问题

arco-era5 用什么语言开发？

主要使用 Python 编写，采用 Apache License 2.0 许可证，目前有 513 个 Star。

arco-era5 可以免费商用吗？

仓库采用 Apache License 2.0 许可证，可免费使用与修改，商业使用请遵守许可证条款（例如保留版权声明与许可声明）。

如何获取 arco-era5 的源码？

可以直接克隆仓库：git clone https://github.com/google-research/arco-era5.git，默认分支为 main；安装与运行步骤见仓库 README。

arco-era5 最近还在维护吗？

仓库最近一次更新为 3 周前，当前有 22 个未关闭 Issue；Star 数为 513，可作为社区活跃度的参考。

本页面展示项目元数据与原始 README，GitRead 中文社区 编辑团队负责选题收录。

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关于

GitHub 原始描述（英文）

Recipes for reproducing Analysis-Ready & Cloud Optimized (ARCO) ERA5 datasets.

描述取自 GitHub 官方 API，保持仓库作者书写的原文。

简要分析

热度分
616
价值分
321
活跃状态
活跃
cloud-optimizedecmwfera5zarropen-science
GitHub

语言占比

Dockerfile
Python
Shell

贡献者

alxmrsalxmrsdabhicuspdabhicuspDarshanSP19DarshanSP19shoyershoyerwundersoonerwundersoonerpvrrajupvrrajuemmanuel-ferdmanemmanuel-ferdmanfzeiserfzeisermlshapiromlshapirorajveer43rajveer43sylvesterkaczmareksylvesterkaczmarekVaishnav2804Vaishnav2804

README

Analysis-Ready, Cloud Optimized ERA5

Recipes for reproducing Analysis-Ready & Cloud Optimized (ARCO) ERA5 datasets.

Introduction • Overview • Get Started with Colab Notebooks • Analysis Ready Data • Raw Cloud Optimized Data • Project roadmap • How to reproduce • FAQs • How to cite this work • License

Introduction

Our goal is to make a global history of the climate highly accessible in the cloud. To that end, we present a curated copy of the ERA5 corpus in Google Cloud Public Datasets.

What is ERA5?

ERA5 is the fifth generation of ECMWF’s Atmospheric Reanalysis. It spans atmospheric, land, and ocean variables. ERA5 is an hourly dataset with global coverage at 30km resolution (~0.28° x 0.28°), ranging from 1979 to the present. The total ERA5 dataset is about 5 petabytes in size.

Check out ECMWF’s documentation on ERA5 for more.

What is a reanalysis?

A reanalysis is the “most complete picture currently possible of past weather and climate.” Reanalyses are created from assimilation of a wide range of data sources via numerical weather prediction (NWP) models.

Read ECMWF’s introduction to reanalysis for more.

So far, we have ingested meteorologically valuable variables for the land and atmosphere. From this, we have produced a cloud-optimized version of ERA5, in which we have converted grib data to Zarr with no other modifications. In addition, we have created “analysis-ready” versions on regular lat-lon grids, oriented towards common research & ML workflows.

This two-pronged approach for the data serves different user needs. Some researchers need full control over the interpolation of data for their analysis. Most will want a batteries-included dataset, where standard pre-processing and chunk optimization is already applied. In general, we ensure that every step in this pipeline is open and reproducible, to provide transparency in the provenance of all data.

Overview

Location Type Description
$BUCKET/ar/ Analysis Ready An ML-ready, unified (surface & atmospheric) version of the data in Zarr.
$BUCKET/co/ Cloud Optimized A port of gaussian-gridded ERA5 data to Zarr.
$BUCKET/raw/ Raw Data All raw grib & NetCDF data.
  • The gcp-public-data-arco-era5 bucket is stored in the us-central1 (Iowa) Google Cloud region.
  • The stable version of ERA5 is updated on a monthly cadence (on roughly the 9th of each month) with a 3 month delay. The preliminary version of ERA5, known as ERA5T is available with approximately 1 week delay (where 5-6 days delay are due to processing at ECWMF).
  • The most recent data available can be found by examining the metadata associated with each Zarr store. The metadata encompasses three essential attributes: valid_time_start, valid_time_stop (for ERA5), and last_updated. For ERA5T, use valid_time_stop_era5t instead. These attributes specify the start date, stop date, and most recent time of update for the dataset’s data, respectively. Please note that both start and end times are inclusive, and all times are given in UTC.

Get Started with Colab Notebooks

Explore the ERA5 dataset interactively with these notebooks:

Notebook Description Open in Colab
Surface Reanalysis Walkthrough Learn how to work with surface-level ERA5 data Open In Colab
Model Levels Walkthrough Explore atmospheric model levels data Open In Colab

Analysis Ready Data

These datasets have been regridded to a uniform 0.25° equiangular horizontal resolution to facilitate downstream analyses, e.g., with WeatherBench2.

0.25° Pressure and Surface Level Data

This dataset contains most pressure-level fields and all surface-level field regridded to a uniform 0.25° resolution. It is a superset of the data used to train GraphCast and NeuralGCM.

import xarray

ds = xarray.open_zarr(
    'gs://gcp-public-data-arco-era5/ar/full_37-1h-0p25deg-chunk-1.zarr-v3',
    chunks=None,
    storage_options=dict(token='anon'),
)
ar_full_37_1h = ds.sel(time=slice(ds.attrs['valid_time_start'], ds.attrs['valid_time_stop']))
  • Times: 00/to/23
  • Levels: 1/2/3/5/7/10/20/30/50/70/100/125/150/175/200/225/250/300/350/400/450/500/550/600/650/700/750/775/800/825/850/875/900/925/950/975/1000
  • Grid: equiangular lat-lon
  • Size: 2.05 PB
  • Chunking: {'time': 1, 'latitude': 721, 'longitude': 1440, 'level': 37}
  • Chunk size (per variable): 154 MB
Data summary table
name short name units docs config
100m_u_component_of_wind 100u m s**-1 https://codes.ecmwf.int/grib/param-db/228246 era5_sl_hourly.cfg
100m_v_component_of_wind 100v m s**-1 https://codes.ecmwf.int/grib/param-db/228247 era5_sl_hourly.cfg
10m_u_component_of_neutral_wind u10n m s**-1 https://codes.ecmwf.int/grib/param-db/228131 era5_sl_hourly.cfg
10m_u_component_of_wind 10u m s**-1 https://codes.ecmwf.int/grib/param-db/165 era5_sl_hourly.cfg
10m_v_component_of_neutral_wind v10n m s**-1 https://codes.ecmwf.int/grib/param-db/228132 era5_sl_hourly.cfg
10m_v_component_of_wind 10v m s**-1 https://codes.ecmwf.int/grib/param-db/166 era5_sl_hourly.cfg
10m_wind_gust_since_previous_post_processing 10fg m s**-1 https://codes.ecmwf.int/grib/param-db/49 era5_sl_hourly.cfg
2m_dewpoint_temperature 2d K https://codes.ecmwf.int/grib/param-db/168 era5_sl_hourly.cfg
2m_temperature 2t K https://codes.ecmwf.int/grib/param-db/167 era5_sl_hourly.cfg
air_density_over_the_oceans rhoao kg m**-3 https://codes.ecmwf.int/grib/param-db/140209 era5_sl_hourly.cfg
angle_of_sub_gridscale_orography anor radians https://codes.ecmwf.int/grib/param-db/162 era5_sl_hourly.cfg
anisotropy_of_sub_gridscale_orography isor ~ https://codes.ecmwf.int/grib/param-db/161 era5_sl_hourly.cfg
benjamin_feir_index bfi dimensionless https://codes.ecmwf.int/grib/param-db/140253 era5_sl_hourly.cfg
boundary_layer_dissipation bld J m**-2 https://codes.ecmwf.int/grib/param-db/145 era5_sl_hourly.cfg
boundary_layer_height blh m https://codes.ecmwf.int/grib/param-db/159 era5_sl_hourly.cfg
charnock chnk ~ https://codes.ecmwf.int/grib/param-db/148 era5_sl_hourly.cfg
clear_sky_direct_solar_radiation_at_surface cdir J m**-2 https://codes.ecmwf.int/grib/param-db/228022 era5_sl_hourly.cfg
cloud_base_height cbh m https://codes.ecmwf.int/grib/param-db/228023 era5_sl_hourly.cfg
coefficient_of_drag_with_waves cdww dimensionless https://codes.ecmwf.int/grib/param-db/140233 era5_sl_hourly.cfg
convective_available_potential_energy cape J kg**-1 https://codes.ecmwf.int/grib/param-db/59 era5_sl_hourly.cfg
convective_inhibition cin J kg**-1 https://codes.ecmwf.int/grib/param-db/228001 era5_sl_hourly.cfg
convective_precipitation cp m https://codes.ecmwf.int/grib/param-db/228143 era5_sl_hourly.cfg
convective_rain_rate crr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/228218 era5_sl_hourly.cfg
convective_snowfall csf m of water equivalent https://codes.ecmwf.int/grib/param-db/239 era5_sl_hourly.cfg
convective_snowfall_rate_water_equivalent csfr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/228220 era5_sl_hourly.cfg
downward_uv_radiation_at_the_surface uvb J m**-2 https://codes.ecmwf.int/grib/param-db/57 era5_sl_hourly.cfg
duct_base_height dctb m https://codes.ecmwf.int/grib/param-db/228017 era5_sl_hourly.cfg
eastward_gravity_wave_surface_stress lgws N m**-2 s https://codes.ecmwf.int/grib/param-db/195 era5_sl_hourly.cfg
eastward_turbulent_surface_stress ewss N m**-2 s https://codes.ecmwf.int/grib/param-db/180 era5_sl_hourly.cfg
evaporation e m of water equivalent https://codes.ecmwf.int/grib/param-db/182 era5_sl_hourly.cfg
forecast_albedo fal (0 - 1) https://codes.ecmwf.int/grib/param-db/243 era5_sl_hourly.cfg
forecast_logarithm_of_surface_roughness_for_heat flsr ~ https://codes.ecmwf.int/grib/param-db/245 era5_sl_hourly.cfg
forecast_surface_roughness fsr m https://codes.ecmwf.int/grib/param-db/244 era5_sl_hourly.cfg
fraction_of_cloud_cover cc (0 - 1) https://codes.ecmwf.int/grib/param-db/248 era5_pl_hourly.cfg
free_convective_velocity_over_the_oceans wstar m s**-1 https://codes.ecmwf.int/grib/param-db/140208 era5_sl_hourly.cfg
friction_velocity zust m s**-1 https://codes.ecmwf.int/grib/param-db/228003 era5_sl_hourly.cfg
geopotential_at_surface z m2 s-2 https://codes.ecmwf.int/grib/param-db/129 era5_sl_hourly.cfg
gravity_wave_dissipation gwd J m**-2 https://codes.ecmwf.int/grib/param-db/197 era5_sl_hourly.cfg
high_cloud_cover hcc (0 - 1) https://codes.ecmwf.int/grib/param-db/3075 era5_sl_hourly.cfg
high_vegetation_cover cvh (0 - 1) https://codes.ecmwf.int/grib/param-db/28 era5_sl_hourly.cfg
ice_temperature_layer_1 istl1 K https://codes.ecmwf.int/grib/param-db/35 era5_sl_hourly.cfg
ice_temperature_layer_2 istl2 K https://codes.ecmwf.int/grib/param-db/36 era5_sl_hourly.cfg
ice_temperature_layer_3 istl3 K https://codes.ecmwf.int/grib/param-db/37 era5_sl_hourly.cfg
ice_temperature_layer_4 istl4 K https://codes.ecmwf.int/grib/param-db/38 era5_sl_hourly.cfg
instantaneous_10m_wind_gust i10fg m s**-1 https://codes.ecmwf.int/grib/param-db/228029 era5_sl_hourly.cfg
instantaneous_eastward_turbulent_surface_stress iews N m**-2 https://codes.ecmwf.int/grib/param-db/229 era5_sl_hourly.cfg
instantaneous_large_scale_surface_precipitation_fraction ilspf (0 - 1) https://codes.ecmwf.int/grib/param-db/228217 era5_sl_hourly.cfg
instantaneous_moisture_flux ie kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/232 era5_sl_hourly.cfg
instantaneous_northward_turbulent_surface_stress inss N m**-2 https://codes.ecmwf.int/grib/param-db/230 era5_sl_hourly.cfg
instantaneous_surface_sensible_heat_flux ishf W m**-2 https://codes.ecmwf.int/grib/param-db/231 era5_sl_hourly.cfg
k_index kx K https://codes.ecmwf.int/grib/param-db/260121 era5_sl_hourly.cfg
lake_bottom_temperature lblt K https://codes.ecmwf.int/grib/param-db/228010 era5_sl_hourly.cfg
lake_cover cl (0 - 1) https://codes.ecmwf.int/grib/param-db/26 era5_sl_hourly.cfg
lake_depth dl m https://codes.ecmwf.int/grib/param-db/228007 era5_sl_hourly.cfg
lake_ice_depth licd m https://codes.ecmwf.int/grib/param-db/228014 era5_sl_hourly.cfg
lake_ice_temperature lict K https://codes.ecmwf.int/grib/param-db/228013 era5_sl_hourly.cfg
lake_mix_layer_depth lmld m https://codes.ecmwf.int/grib/param-db/228009 era5_sl_hourly.cfg
lake_mix_layer_temperature lmlt K https://codes.ecmwf.int/grib/param-db/228008 era5_sl_hourly.cfg
lake_shape_factor lshf dimensionless https://codes.ecmwf.int/grib/param-db/228012 era5_sl_hourly.cfg
lake_total_layer_temperature ltlt K https://codes.ecmwf.int/grib/param-db/228011 era5_sl_hourly.cfg
land_sea_mask lsm (0 - 1) https://codes.ecmwf.int/grib/param-db/172 era5_sl_hourly.cfg
large_scale_precipitation lsp m https://codes.ecmwf.int/grib/param-db/3062 era5_sl_hourly.cfg
large_scale_precipitation_fraction lspf s https://codes.ecmwf.int/grib/param-db/50 era5_sl_hourly.cfg
large_scale_rain_rate lsrr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/228219 era5_sl_hourly.cfg
large_scale_snowfall lsf m of water equivalent https://codes.ecmwf.int/grib/param-db/240 era5_sl_hourly.cfg
large_scale_snowfall_rate_water_equivalent lssfr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/228221 era5_sl_hourly.cfg
leaf_area_index_high_vegetation lai_hv m2 m-2 https://codes.ecmwf.int/grib/param-db/67 era5_sl_hourly.cfg
leaf_area_index_low_vegetation lai_lv m2 m-2 https://codes.ecmwf.int/grib/param-db/66 era5_sl_hourly.cfg
low_cloud_cover lcc (0 - 1) https://codes.ecmwf.int/grib/param-db/3073 era5_sl_hourly.cfg
low_vegetation_cover cvl (0 - 1) https://codes.ecmwf.int/grib/param-db/27 era5_sl_hourly.cfg
maximum_2m_temperature_since_previous_post_processing mx2t K https://codes.ecmwf.int/grib/param-db/201 era5_sl_hourly.cfg
maximum_individual_wave_height hmax m https://codes.ecmwf.int/grib/param-db/140218 era5_sl_hourly.cfg
maximum_total_precipitation_rate_since_previous_post_processing mxtpr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/228226 era5_sl_hourly.cfg
mean_boundary_layer_dissipation avg_ibld W m**-2 https://codes.ecmwf.int/grib/param-db/235032 era5_sl_hourly.cfg
mean_convective_precipitation_rate avg_cpr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235030 era5_sl_hourly.cfg
mean_convective_snowfall_rate avg_csfr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235056 era5_sl_hourly.cfg
mean_direction_of_total_swell mdts degrees https://codes.ecmwf.int/grib/param-db/140238 era5_sl_hourly.cfg
mean_direction_of_wind_waves mdww degrees https://codes.ecmwf.int/grib/param-db/500072 era5_sl_hourly.cfg
mean_eastward_gravity_wave_surface_stress avg_iegwss N m**-2 https://codes.ecmwf.int/grib/param-db/235045 era5_sl_hourly.cfg
mean_eastward_turbulent_surface_stress avg_iews N m**-2 https://codes.ecmwf.int/grib/param-db/235041 era5_sl_hourly.cfg
mean_evaporation_rate erate m*s**-1 https://codes.ecmwf.int/grib/param-db/172182 era5_sl_hourly.cfg
mean_gravity_wave_dissipation avg_igwd W m**-2 https://codes.ecmwf.int/grib/param-db/235047 era5_sl_hourly.cfg
mean_large_scale_precipitation_fraction avg_ilspf Proportion https://codes.ecmwf.int/grib/param-db/235026 era5_sl_hourly.cfg
mean_large_scale_precipitation_rate avg_lsprate kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235029 era5_sl_hourly.cfg
mean_large_scale_snowfall_rate avg_lssfr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235057 era5_sl_hourly.cfg
mean_northward_gravity_wave_surface_stress avg_ingwss N m**-2 https://codes.ecmwf.int/grib/param-db/235046 era5_sl_hourly.cfg
mean_northward_turbulent_surface_stress avg_inss N m**-2 https://codes.ecmwf.int/grib/param-db/235042 era5_sl_hourly.cfg
mean_period_of_total_swell mpts s https://codes.ecmwf.int/grib/param-db/140239 era5_sl_hourly.cfg
mean_period_of_wind_waves mpww s https://codes.ecmwf.int/grib/param-db/500074 era5_sl_hourly.cfg
mean_potential_evaporation_rate avg_pevr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235070 era5_sl_hourly.cfg
mean_runoff_rate avg_rorwe kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235048 era5_sl_hourly.cfg
mean_sea_level_pressure msl Pa https://codes.ecmwf.int/grib/param-db/151 era5_sl_hourly.cfg
mean_snow_evaporation_rate avg_esrwe kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235023 era5_sl_hourly.cfg
mean_snowfall_rate avg_tsrwe kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235031 era5_sl_hourly.cfg
mean_snowmelt_rate avg_smr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235024 era5_sl_hourly.cfg
mean_square_slope_of_waves msqs dimensionless https://codes.ecmwf.int/grib/param-db/140244 era5_sl_hourly.cfg
mean_sub_surface_runoff_rate avg_ssurfror kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235021 era5_sl_hourly.cfg
mean_surface_direct_short_wave_radiation_flux avg_sdirswrf W m**-2 https://codes.ecmwf.int/grib/param-db/235058 era5_sl_hourly.cfg
mean_surface_direct_short_wave_radiation_flux_clear_sky avg_sdirswrfcs W m**-2 https://codes.ecmwf.int/grib/param-db/235059 era5_sl_hourly.cfg
mean_surface_downward_long_wave_radiation_flux avg_sdlwrf W m**-2 https://codes.ecmwf.int/grib/param-db/235036 era5_sl_hourly.cfg
mean_surface_downward_long_wave_radiation_flux_clear_sky avg_sdlwrfcs W m**-2 https://codes.ecmwf.int/grib/param-db/235069 era5_sl_hourly.cfg
mean_surface_downward_short_wave_radiation_flux avg_sdswrf W m**-2 https://codes.ecmwf.int/grib/param-db/235035 era5_sl_hourly.cfg
mean_surface_downward_short_wave_radiation_flux_clear_sky avg_sdswrfcs W m**-2 https://codes.ecmwf.int/grib/param-db/235068 era5_sl_hourly.cfg
mean_surface_downward_uv_radiation_flux avg_sduvrf W m**-2 https://codes.ecmwf.int/grib/param-db/235027 era5_sl_hourly.cfg
mean_surface_latent_heat_flux avg_slhtf W m**-2 https://codes.ecmwf.int/grib/param-db/235034 era5_sl_hourly.cfg
mean_surface_net_long_wave_radiation_flux avg_snlwrf W m**-2 https://codes.ecmwf.int/grib/param-db/235038 era5_sl_hourly.cfg
mean_surface_net_long_wave_radiation_flux_clear_sky avg_snlwrfcs W m**-2 https://codes.ecmwf.int/grib/param-db/235052 era5_sl_hourly.cfg
mean_surface_net_short_wave_radiation_flux avg_snswrf W m**-2 https://codes.ecmwf.int/grib/param-db/235037 era5_sl_hourly.cfg
mean_surface_net_short_wave_radiation_flux_clear_sky avg_snswrfcs W m**-2 https://codes.ecmwf.int/grib/param-db/235051 era5_sl_hourly.cfg
mean_surface_runoff_rate avg_surfror kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235020 era5_sl_hourly.cfg
mean_surface_sensible_heat_flux avg_ishf W m**-2 https://codes.ecmwf.int/grib/param-db/235033 era5_sl_hourly.cfg
mean_top_downward_short_wave_radiation_flux avg_tdswrf W m**-2 https://codes.ecmwf.int/grib/param-db/235053 era5_sl_hourly.cfg
mean_top_net_long_wave_radiation_flux avg_tnlwrf W m**-2 https://codes.ecmwf.int/grib/param-db/235040 era5_sl_hourly.cfg
mean_top_net_long_wave_radiation_flux_clear_sky avg_tnlwrfcs W m**-2 https://codes.ecmwf.int/grib/param-db/235050 era5_sl_hourly.cfg
mean_top_net_short_wave_radiation_flux avg_tnswrf W m**-2 https://codes.ecmwf.int/grib/param-db/235039 era5_sl_hourly.cfg
mean_top_net_short_wave_radiation_flux_clear_sky avg_tnswrfcs W m**-2 https://codes.ecmwf.int/grib/param-db/235049 era5_sl_hourly.cfg
mean_total_precipitation_rate avg_tprate kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235055 era5_sl_hourly.cfg
mean_vertical_gradient_of_refractivity_inside_trapping_layer dndza m**-1 https://codes.ecmwf.int/grib/param-db/228016 era5_sl_hourly.cfg
mean_vertically_integrated_moisture_divergence avg_vimdf kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/235054 era5_sl_hourly.cfg
mean_wave_direction mwd Degree true https://codes.ecmwf.int/grib/param-db/500185 era5_sl_hourly.cfg
mean_wave_direction_of_first_swell_partition mwd1 degrees https://codes.ecmwf.int/grib/param-db/140122 era5_sl_hourly.cfg
mean_wave_direction_of_second_swell_partition mwd2 degrees https://codes.ecmwf.int/grib/param-db/140125 era5_sl_hourly.cfg
mean_wave_direction_of_third_swell_partition mwd3 degrees https://codes.ecmwf.int/grib/param-db/140128 era5_sl_hourly.cfg
mean_wave_period mwp s https://codes.ecmwf.int/grib/param-db/140232 era5_sl_hourly.cfg
mean_wave_period_based_on_first_moment mp1 s https://codes.ecmwf.int/grib/param-db/140220 era5_sl_hourly.cfg
mean_wave_period_based_on_first_moment_for_swell p1ps s https://codes.ecmwf.int/grib/param-db/140226 era5_sl_hourly.cfg
mean_wave_period_based_on_first_moment_for_wind_waves p1ww s https://codes.ecmwf.int/grib/param-db/140223 era5_sl_hourly.cfg
mean_wave_period_based_on_second_moment_for_swell p2ps s https://codes.ecmwf.int/grib/param-db/140227 era5_sl_hourly.cfg
mean_wave_period_based_on_second_moment_for_wind_waves p2ww s https://codes.ecmwf.int/grib/param-db/140224 era5_sl_hourly.cfg
mean_wave_period_of_first_swell_partition mwp1 s https://codes.ecmwf.int/grib/param-db/140123 era5_sl_hourly.cfg
mean_wave_period_of_second_swell_partition mwp2 s https://codes.ecmwf.int/grib/param-db/140126 era5_sl_hourly.cfg
mean_wave_period_of_third_swell_partition mwp3 s https://codes.ecmwf.int/grib/param-db/140129 era5_sl_hourly.cfg
mean_zero_crossing_wave_period mp2 s https://codes.ecmwf.int/grib/param-db/140221 era5_sl_hourly.cfg
medium_cloud_cover mcc (0 - 1) https://codes.ecmwf.int/grib/param-db/3074 era5_sl_hourly.cfg
minimum_2m_temperature_since_previous_post_processing mn2t K https://codes.ecmwf.int/grib/param-db/202 era5_sl_hourly.cfg
minimum_total_precipitation_rate_since_previous_post_processing mntpr kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/228227 era5_sl_hourly.cfg
minimum_vertical_gradient_of_refractivity_inside_trapping_layer dndzn m**-1 https://codes.ecmwf.int/grib/param-db/228015 era5_sl_hourly.cfg
model_bathymetry wmb m https://codes.ecmwf.int/grib/param-db/140219 era5_sl_hourly.cfg
near_ir_albedo_for_diffuse_radiation alnid (0 - 1) https://codes.ecmwf.int/grib/param-db/18 era5_sl_hourly.cfg
near_ir_albedo_for_direct_radiation alnip (0 - 1) https://codes.ecmwf.int/grib/param-db/17 era5_sl_hourly.cfg
normalized_energy_flux_into_ocean phioc dimensionless https://codes.ecmwf.int/grib/param-db/140212 era5_sl_hourly.cfg
normalized_energy_flux_into_waves phiaw dimensionless https://codes.ecmwf.int/grib/param-db/140211 era5_sl_hourly.cfg
normalized_stress_into_ocean tauoc dimensionless https://codes.ecmwf.int/grib/param-db/140214 era5_sl_hourly.cfg
northward_gravity_wave_surface_stress mgws N m**-2 s https://codes.ecmwf.int/grib/param-db/196 era5_sl_hourly.cfg
northward_turbulent_surface_stress nsss N m**-2 s https://codes.ecmwf.int/grib/param-db/181 era5_sl_hourly.cfg
ocean_surface_stress_equivalent_10m_neutral_wind_direction dwi degrees https://codes.ecmwf.int/grib/param-db/140249 era5_sl_hourly.cfg
ocean_surface_stress_equivalent_10m_neutral_wind_speed wind m s**-1 https://codes.ecmwf.int/grib/param-db/140245 era5_sl_hourly.cfg
ozone_mass_mixing_ratio o3 kg kg**-1 https://codes.ecmwf.int/grib/param-db/500242 era5_pl_hourly.cfg
peak_wave_period pp1d s https://codes.ecmwf.int/grib/param-db/500190 era5_sl_hourly.cfg
period_corresponding_to_maximum_individual_wave_height tmax s https://codes.ecmwf.int/grib/param-db/140217 era5_sl_hourly.cfg
potential_evaporation pev m https://codes.ecmwf.int/grib/param-db/228251 era5_sl_hourly.cfg
potential_vorticity pv K m2 kg-1 s**-1 https://codes.ecmwf.int/grib/param-db/60 era5_pl_hourly.cfg
precipitation_type ptype code table (4.201) https://codes.ecmwf.int/grib/param-db/260015 era5_sl_hourly.cfg
runoff ro m https://codes.ecmwf.int/grib/param-db/228205 era5_sl_hourly.cfg
sea_ice_cover siconc (0 - 1) https://codes.ecmwf.int/grib/param-db/262001 era5_sl_hourly.cfg
sea_surface_temperature sst K https://codes.ecmwf.int/grib/param-db/151159 era5_sl_hourly.cfg
significant_height_of_combined_wind_waves_and_swell swh m https://codes.ecmwf.int/grib/param-db/500071 era5_sl_hourly.cfg
significant_height_of_total_swell shts m https://codes.ecmwf.int/grib/param-db/140237 era5_sl_hourly.cfg
significant_height_of_wind_waves shww m https://codes.ecmwf.int/grib/param-db/500073 era5_sl_hourly.cfg
significant_wave_height_of_first_swell_partition swh1 m https://codes.ecmwf.int/grib/param-db/140121 era5_sl_hourly.cfg
significant_wave_height_of_second_swell_partition swh2 m https://codes.ecmwf.int/grib/param-db/140124 era5_sl_hourly.cfg
significant_wave_height_of_third_swell_partition swh3 m https://codes.ecmwf.int/grib/param-db/140127 era5_sl_hourly.cfg
skin_reservoir_content src m of water equivalent https://codes.ecmwf.int/grib/param-db/198 era5_sl_hourly.cfg
skin_temperature skt K https://codes.ecmwf.int/grib/param-db/235 era5_sl_hourly.cfg
slope_of_sub_gridscale_orography slor ~ https://codes.ecmwf.int/grib/param-db/163 era5_sl_hourly.cfg
snow_albedo asn (0 - 1) https://codes.ecmwf.int/grib/param-db/228032 era5_sl_hourly.cfg
snow_density rsn kg m**-3 https://codes.ecmwf.int/grib/param-db/33 era5_sl_hourly.cfg
snow_depth sd m of water equivalent https://codes.ecmwf.int/grib/param-db/228141 era5_sl_hourly.cfg
snow_evaporation es m of water equivalent https://codes.ecmwf.int/grib/param-db/44 era5_sl_hourly.cfg
snowfall sf m of water equivalent https://codes.ecmwf.int/grib/param-db/228144 era5_sl_hourly.cfg
snowmelt smlt m of water equivalent https://codes.ecmwf.int/grib/param-db/45 era5_sl_hourly.cfg
soil_temperature_level_1 stl1 K https://codes.ecmwf.int/grib/param-db/139 era5_sl_hourly.cfg
soil_temperature_level_2 stl2 K https://codes.ecmwf.int/grib/param-db/170 era5_sl_hourly.cfg
soil_temperature_level_3 stl3 K https://codes.ecmwf.int/grib/param-db/183 era5_sl_hourly.cfg
soil_temperature_level_4 stl4 K https://codes.ecmwf.int/grib/param-db/236 era5_sl_hourly.cfg
soil_type slt ~ https://codes.ecmwf.int/grib/param-db/43 era5_sl_hourly.cfg
specific_cloud_ice_water_content ciwc kg kg**-1 https://codes.ecmwf.int/grib/param-db/247 era5_pl_hourly.cfg
specific_cloud_liquid_water_content clwc kg kg**-1 https://codes.ecmwf.int/grib/param-db/246 era5_pl_hourly.cfg
specific_humidity q kg kg**-1 https://codes.ecmwf.int/grib/param-db/133 era5_pl_hourly.cfg
standard_deviation_of_filtered_subgrid_orography sdfor m https://codes.ecmwf.int/grib/param-db/74 era5_sl_hourly.cfg
standard_deviation_of_orography sdor m https://codes.ecmwf.int/grib/param-db/160 era5_sl_hourly.cfg
sub_surface_runoff ssro m https://codes.ecmwf.int/grib/param-db/9 era5_sl_hourly.cfg
surface_latent_heat_flux slhf J m**-2 https://codes.ecmwf.int/grib/param-db/147 era5_sl_hourly.cfg
surface_net_solar_radiation ssr J m**-2 https://codes.ecmwf.int/grib/param-db/180176 era5_sl_hourly.cfg
surface_net_solar_radiation_clear_sky ssrc J m**-2 https://codes.ecmwf.int/grib/param-db/210 era5_sl_hourly.cfg
surface_net_thermal_radiation str J m**-2 https://codes.ecmwf.int/grib/param-db/180177 era5_sl_hourly.cfg
surface_net_thermal_radiation_clear_sky strc J m**-2 https://codes.ecmwf.int/grib/param-db/211 era5_sl_hourly.cfg
surface_pressure sp Pa https://codes.ecmwf.int/grib/param-db/500026 era5_sl_hourly.cfg
surface_runoff sro m https://codes.ecmwf.int/grib/param-db/174008 era5_sl_hourly.cfg
surface_sensible_heat_flux sshf J m**-2 https://codes.ecmwf.int/grib/param-db/146 era5_sl_hourly.cfg
surface_solar_radiation_downward_clear_sky ssrdc J m**-2 https://codes.ecmwf.int/grib/param-db/228129 era5_sl_hourly.cfg
surface_solar_radiation_downwards ssrd J m**-2 https://codes.ecmwf.int/grib/param-db/169 era5_sl_hourly.cfg
surface_thermal_radiation_downward_clear_sky strdc J m**-2 https://codes.ecmwf.int/grib/param-db/228130 era5_sl_hourly.cfg
surface_thermal_radiation_downwards strd J m**-2 https://codes.ecmwf.int/grib/param-db/175 era5_sl_hourly.cfg
temperature t K https://codes.ecmwf.int/grib/param-db/500014 era5_pl_hourly.cfg
temperature_of_snow_layer tsn K https://codes.ecmwf.int/grib/param-db/238 era5_sl_hourly.cfg
toa_incident_solar_radiation tisr J m**-2 https://codes.ecmwf.int/grib/param-db/212 era5_sl_hourly.cfg
top_net_solar_radiation tsr J m**-2 https://codes.ecmwf.int/grib/param-db/180178 era5_sl_hourly.cfg
top_net_solar_radiation_clear_sky tsrc J m**-2 https://codes.ecmwf.int/grib/param-db/208 era5_sl_hourly.cfg
top_net_thermal_radiation ttr J m**-2 https://codes.ecmwf.int/grib/param-db/180179 era5_sl_hourly.cfg
top_net_thermal_radiation_clear_sky ttrc J m**-2 https://codes.ecmwf.int/grib/param-db/209 era5_sl_hourly.cfg
total_cloud_cover tcc (0 - 1) https://codes.ecmwf.int/grib/param-db/228164 era5_sl_hourly.cfg
total_column_cloud_ice_water tciw kg m**-2 https://codes.ecmwf.int/grib/param-db/79 era5_sl_hourly.cfg
total_column_cloud_liquid_water tclw kg m**-2 https://codes.ecmwf.int/grib/param-db/78 era5_sl_hourly.cfg
total_column_ozone tco3 kg m**-2 https://codes.ecmwf.int/grib/param-db/206 era5_sl_hourly.cfg
total_column_rain_water tcrw kg m**-2 https://codes.ecmwf.int/grib/param-db/228089 era5_sl_hourly.cfg
total_column_snow_water tcsw kg m**-2 https://codes.ecmwf.int/grib/param-db/228090 era5_sl_hourly.cfg
total_column_supercooled_liquid_water tcslw kg m**-2 https://codes.ecmwf.int/grib/param-db/228088 era5_sl_hourly.cfg
total_column_water tcw kg m**-2 https://codes.ecmwf.int/grib/param-db/136 era5_sl_hourly.cfg
total_column_water_vapour tcwv kg m**-2 https://codes.ecmwf.int/grib/param-db/137 era5_sl_hourly.cfg
total_precipitation tp m https://codes.ecmwf.int/grib/param-db/228228 era5_sl_hourly.cfg
total_totals_index totalx K https://codes.ecmwf.int/grib/param-db/260123 era5_sl_hourly.cfg
trapping_layer_base_height tplb m https://codes.ecmwf.int/grib/param-db/228018 era5_sl_hourly.cfg
trapping_layer_top_height tplt m https://codes.ecmwf.int/grib/param-db/228019 era5_sl_hourly.cfg
type_of_high_vegetation tvh ~ https://codes.ecmwf.int/grib/param-db/30 era5_sl_hourly.cfg
type_of_low_vegetation tvl ~ https://codes.ecmwf.int/grib/param-db/29 era5_sl_hourly.cfg
u_component_of_wind u m s**-1 https://codes.ecmwf.int/grib/param-db/500028 era5_pl_hourly.cfg
u_component_stokes_drift ust m s**-1 https://codes.ecmwf.int/grib/param-db/140215 era5_sl_hourly.cfg
uv_visible_albedo_for_diffuse_radiation aluvd (0 - 1) https://codes.ecmwf.int/grib/param-db/16 era5_sl_hourly.cfg
uv_visible_albedo_for_direct_radiation aluvp (0 - 1) https://codes.ecmwf.int/grib/param-db/15 era5_sl_hourly.cfg
v_component_of_wind v m s**-1 https://codes.ecmwf.int/grib/param-db/500030 era5_pl_hourly.cfg
v_component_stokes_drift vst m s**-1 https://codes.ecmwf.int/grib/param-db/140216 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_cloud_frozen_water_flux viiwd kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/162057 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_cloud_liquid_water_flux vilwd kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/162056 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_geopotential_flux vigd W m**-2 https://codes.ecmwf.int/grib/param-db/162085 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_kinetic_energy_flux viked W m**-2 https://codes.ecmwf.int/grib/param-db/162082 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_mass_flux vimad kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/162081 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_moisture_flux viwvd kg m**-2 s**-1 https://codes.ecmwf.int/grib/param-db/162084 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_ozone_flux viozd kg m**-2 s**-1 https://apps.ecmwf.int/codes/grib/param-db/162087 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_thermal_energy_flux vithed W m**-2 https://apps.ecmwf.int/codes/grib/param-db/162083 era5_sl_hourly.cfg
vertical_integral_of_divergence_of_total_energy_flux vitoed W m**-2 https://apps.ecmwf.int/codes/grib/param-db/162086 era5_sl_hourly.cfg
vertical_integral_of_eastward_cloud_frozen_water_flux viiwe kg m**-1 s**-1 https://apps.ecmwf.int/codes/grib/param-db/162090 era5_sl_hourly.cfg
vertical_integral_of_eastward_cloud_liquid_water_flux vilwe kg m**-1 s**-1 https://apps.ecmwf.int/codes/grib/param-db/162088 era5_sl_hourly.cfg
vertical_integral_of_eastward_geopotential_flux vige W m**-1 https://apps.ecmwf.int/codes/grib/param-db/162073 era5_sl_hourly.cfg
vertical_integral_of_eastward_heat_flux vithee W m**-1 https://codes.ecmwf.int/grib/param-db/162069 era5_sl_hourly.cfg
vertical_integral_of_eastward_kinetic_energy_flux vikee W m**-1 https://codes.ecmwf.int/grib/param-db/162067 era5_sl_hourly.cfg
vertical_integral_of_eastward_mass_flux vimae kg m**-1 s**-1 https://codes.ecmwf.int/grib/param-db/162065 era5_sl_hourly.cfg
vertical_integral_of_eastward_ozone_flux vioze kg m**-1 s**-1 https://codes.ecmwf.int/grib/param-db/162077 era5_sl_hourly.cfg
vertical_integral_of_eastward_total_energy_flux vitoee W m**-1 https://codes.ecmwf.int/grib/param-db/162075 era5_sl_hourly.cfg
vertical_integral_of_eastward_water_vapour_flux viwve kg m**-1 s**-1 https://codes.ecmwf.int/grib/param-db/162071 era5_sl_hourly.cfg
vertical_integral_of_energy_conversion viec W m**-2 https://codes.ecmwf.int/grib/param-db/162064 era5_sl_hourly.cfg
vertical_integral_of_kinetic_energy vike J m**-2 https://apps.ecmwf.int/codes/grib/param-db/162059 era5_sl_hourly.cfg
vertical_integral_of_mass_of_atmosphere vima kg m**-2 https://apps.ecmwf.int/codes/grib/param-db/162053 era5_sl_hourly.cfg
vertical_integral_of_mass_tendency vimat kg m**-2 s**-1 https://apps.ecmwf.int/codes/grib/param-db/162092 era5_sl_hourly.cfg
vertical_integral_of_northward_cloud_frozen_water_flux viiwn kg m**-1 s**-1 https://apps.ecmwf.int/codes/grib/param-db/162091 era5_sl_hourly.cfg
vertical_integral_of_northward_cloud_liquid_water_flux vilwn kg m**-1 s**-1 https://apps.ecmwf.int/codes/grib/param-db/162089 era5_sl_hourly.cfg
vertical_integral_of_northward_geopotential_flux vign W m**-1 https://apps.ecmwf.int/codes/grib/param-db/162074 era5_sl_hourly.cfg
vertical_integral_of_northward_heat_flux vithen W m**-1 https://codes.ecmwf.int/grib/param-db/162070 era5_sl_hourly.cfg
vertical_integral_of_northward_kinetic_energy_flux viken W m**-1 https://codes.ecmwf.int/grib/param-db/162068 era5_sl_hourly.cfg
vertical_integral_of_northward_mass_flux viman kg m**-1 s**-1 https://codes.ecmwf.int/grib/param-db/162066 era5_sl_hourly.cfg
vertical_integral_of_northward_ozone_flux viozn kg m**-1 s**-1 https://codes.ecmwf.int/grib/param-db/162078 era5_sl_hourly.cfg
vertical_integral_of_northward_total_energy_flux vitoen W m**-1 https://codes.ecmwf.int/grib/param-db/162076 era5_sl_hourly.cfg
vertical_integral_of_northward_water_vapour_flux viwvn kg m**-1 s**-1 https://codes.ecmwf.int/grib/param-db/162072 era5_sl_hourly.cfg
vertical_integral_of_potential_and_internal_energy vipie J m**-2 https://apps.ecmwf.int/codes/grib/param-db/162061 era5_sl_hourly.cfg
vertical_integral_of_potential_internal_and_latent_energy vipile J m**-2 https://codes.ecmwf.int/grib/param-db/162062 era5_sl_hourly.cfg
vertical_integral_of_temperature vit K kg m**-2 https://codes.ecmwf.int/grib/param-db/162054 era5_sl_hourly.cfg
vertical_integral_of_thermal_energy vithe J m**-2 https://codes.ecmwf.int/grib/param-db/162060 era5_sl_hourly.cfg
vertical_integral_of_total_energy vitoe J m**-2 https://codes.ecmwf.int/grib/param-db/162063 era5_sl_hourly.cfg
vertical_velocity w Pa s**-1 https://codes.ecmwf.int/grib/param-db/500032 era5_pl_hourly.cfg
vertically_integrated_moisture_divergence vimd kg m**-2 https://codes.ecmwf.int/grib/param-db/213 era5_sl_hourly.cfg
volumetric_soil_water_layer_1 swvl1 m3 m-3 https://codes.ecmwf.int/grib/param-db/39 era5_sl_hourly.cfg
volumetric_soil_water_layer_2 swvl2 m3 m-3 https://codes.ecmwf.int/grib/param-db/40 era5_sl_hourly.cfg
volumetric_soil_water_layer_3 swvl3 m3 m-3 https://codes.ecmwf.int/grib/param-db/41 era5_sl_hourly.cfg
volumetric_soil_water_layer_4 swvl4 m3 m-3 https://codes.ecmwf.int/grib/param-db/42 era5_sl_hourly.cfg
wave_spectral_directional_width wdw radians https://codes.ecmwf.int/grib/param-db/140222 era5_sl_hourly.cfg
wave_spectral_directional_width_for_swell dwps radians https://codes.ecmwf.int/grib/param-db/140228 era5_sl_hourly.cfg
wave_spectral_directional_width_for_wind_waves dwww radians https://codes.ecmwf.int/grib/param-db/140225 era5_sl_hourly.cfg
wave_spectral_kurtosis wsk dimensionless https://codes.ecmwf.int/grib/param-db/140252 era5_sl_hourly.cfg
wave_spectral_peakedness wsp dimensionless https://codes.ecmwf.int/grib/param-db/140254 era5_sl_hourly.cfg
wave_spectral_skewness wss dimensionless https://codes.ecmwf.int/grib/param-db/140207 era5_sl_hourly.cfg
zero_degree_level deg0l m https://codes.ecmwf.int/grib/param-db/228024 era5_sl_hourly.cfg

0.25° Model Level Data

This dataset contains 3D fields at 0.25° resolution with ERA5’s native vertical coordinates (hybrid pressure/sigma coordinates).

import xarray

ds = xarray.open_zarr(
    'gs://gcp-public-data-arco-era5/ar/model-level-1h-0p25deg.zarr-v1',
    chunks=None,
    storage_options=dict(token='anon'),
)
ar_native_vertical_grid_data = ds.sel(time=slice(ds.attrs['valid_time_start'], ds.attrs['valid_time_stop']))

It can combined with surface-level variables from the 0.25° pressure- and surface-level dataset:

ds = xarray.open_zarr(
    'gs://gcp-public-data-arco-era5/ar/full_37-1h-0p25deg-chunk-1.zarr-v3',
    chunks=None,
    storage_options=dict(token='anon'),
)
ar_full_37_1h = ds.sel(time=slice(ds.attrs['valid_time_start'], ds.attrs['valid_time_stop']))

ar_model_level_and_surface_data = xarray.merge([
    ar_native_vertical_grid_data, ar_full_37_1h.drop_dims('level')
])
  • Times: 00/to/23
  • Levels: 1/to/137
  • Grid: equiangular lat-lon
  • Size: 5.88 PB
  • Chunking: {'time': 1, 'hybrid': 18, 'latitude': 721, 'longitude': 1440}
  • Chunk size (per variable): 74.8 MB
Data summary table
name short name units docs config
vorticity (relative) vo s^-1 https://apps.ecmwf.int/codes/grib/param-db?id=138 era5_ml_dve.cfg
divergence d s^-1 https://apps.ecmwf.int/codes/grib/param-db?id=155 era5_ml_dve.cfg
geopotential z m^2 s^-2 https://apps.ecmwf.int/codes/grib/param-dbid=129 era5_sfc.cfg
temperature t K https://apps.ecmwf.int/codes/grib/param-db?id=130 era5_ml_tw.cfg
vertical velocity w Pa s^-1 https://apps.ecmwf.int/codes/grib/param-db?id=135 era5_ml_tw.cfg
specific humidity q kg kg^-1 https://apps.ecmwf.int/codes/grib/param-db?id=133 era5_ml_o3q.cfg
ozone mass mixing ratio o3 kg kg^-1 https://apps.ecmwf.int/codes/grib/param-db?id=203 era5_ml_o3q.cfg
specific cloud liquid water content clwc kg kg^-1 https://apps.ecmwf.int/codes/grib/param-db?id=246 era5_ml_o3q.cfg
specific cloud ice water content ciwc kg kg^-1 https://apps.ecmwf.int/codes/grib/param-db?id=247 era5_ml_o3q.cfg
fraction of cloud cover cc (0 - 1) https://apps.ecmwf.int/codes/grib/param-db?id=248 era5_ml_o3q.cfg
specific rain water content crwc kg kg^-1 https://apps.ecmwf.int/codes/grib/param-db?id=75 era5_ml_qrqs.cfg
specific snow water content cswc kg kg^-1 https://apps.ecmwf.int/codes/grib/param-db?id=76 era5_ml_qrqs.cfg
u component of wind u m s**-1 https://codes.ecmwf.int/grib/param-db/500028 era5_pl_hourly.cfg
v component of wind

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