M3LEO-miniset/conus

# Contiguous UNited States AOI


Randomly sampled 5000 data tiles (3000 for training, and 1000 for validation and testing).
Occasionally, not all tiles were available for all datasets. We include a detailed breakdown of the number of chips per dataset below.

|Datakind |Chips |
| :------ | :------ |
|`s1grd-2020`|5000|
|`gssic` | 5000 |
|`gunw_2020-04-01_2020-06-30` | 4138 |
|`gunw_2020-07-01_2020-09-30` | 4171 |
|`gunw_2020-08-01_2020-10-31` | 4166 |
|`gunw_2020-01-01_2020-03-31`| 4097 |
|`s2rgbm-2020`| 5000|
|`biomass-2020`|5000|
|`esaworldcover-2020`|5000|
|`modis44b006veg`|5000|
|`ghsbuilts-2020`|5000|
|`srtmdem`|5000|

We provide '.csv' files with predefined train (blue), test (orange) and validation (green) splits that can be used for repeatability and comparability of experiments.
60% of tiles are allocated for training, 20% for validation, and 20% for testing.

# Temporal Coverage

As of now, M3LEO contains data for 2020.

#### Content

- [`s1grd-2020`](https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S1_GRD): Sentinel-1 SAR GRD: C-band Synthetic Aperture Radar Ground Range Detected, three channels (vv, vh, vv/vh) at 10m resolution, taking the seasonal median (4 seasons per year) for both ascending and descending modes.

- [`gssic`](https://asf.alaska.edu/datasets/derived/global-seasonal-sentinel-1-interferometric-coherence-and-backscatter-dataset/): Global Seasonal Sentinel-1 Interferometric Coherence and Backscatter dataset at aroud 90m resolution.

- [`gunw-dateinit_dateend`](https://asf.alaska.edu/data-sets/derived-data-sets/sentinel-1-interferograms/): ARIA Sentinel-1 Geocoded Unwrapped Interferograms at 90m resolution, selecting within the [dateinit, datend] period the date that has most interferometric pairs as first date.

- [`s2rgbm-2020`](https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S2_SR_HARMONIZED): Harmonized Sentinel-2 Level 2A, three channels (red, green, blue) monthly cloudless median at 10m resolution.

- [`biomass-2020`](https://climate.esa.int/en/projects/biomass/): ESA CCI Above Ground Biomass annual maps at 90m resolution.

- [`esaworldcover-2020`](https://developers.google.com/earth-engine/datasets/catalog/ESA_WorldCover_v100): ESA World Cover land cover maps at 10m resolution.

- [`modis44b006veg`](https://developers.google.com/earth-engine/datasets/catalog/MODIS_006_MOD44B): MODIS Vegetation Continuous Field annual maps at 250m resolution.

- [`ghsbuilts-2020`](https://human-settlement.emergency.copernicus.eu/download.php?ds=bu): EU JRC Global Human Settlement Layer Builtup Surface at 100m resolution.

- [`srtmdem`](https://developers.google.com/earth-engine/datasets/catalog/CGIAR_SRTM90_V4): NASA SRTM digital elevetation model at 30m resolution.

原始信息汇总

数据集概述

数据集名称

Contiguous UNited States AOI

数据集组成

• s1grd-2020: Sentinel-1 SAR GRD数据集，包含C-band合成孔径雷达地面范围检测，三个通道（vv, vh, vv/vh），分辨率为10m。
• gssic: 全球季节性Sentinel-1干涉相干性和后向散射数据集，分辨率约为90m。
• gunw_2020-04-01_2020-06-30: ARIA Sentinel-1地理编码未包装干涉图，分辨率为90m。
• gunw_2020-07-01_2020-09-30: 同上。
• gunw_2020-08-01_2020-10-31: 同上。
• gunw_2020-01-01_2020-03-31: 同上。
• s2rgbm-2020: 调和的Sentinel-2 Level 2A数据集，包含三个通道（红、绿、蓝），分辨率为10m。
• biomass-2020: ESA CCI地上生物量年度地图，分辨率为90m。
• esaworldcover-2020: ESA世界覆盖土地覆盖地图，分辨率为10m。
• modis44b006veg: MODIS植被连续场年度地图，分辨率为250m。
• ghsbuilts-2020: EU JRC全球人类居住地层建设表面，分辨率为100m。
• srtmdem: NASA SRTM数字高程模型，分辨率为30m。

数据集规模

• 共随机抽样5000个数据瓦片，其中3000个用于训练，1000个分别用于验证和测试。

数据集分割

• 训练集占比60%，验证集和测试集各占20%。

时间覆盖

• 数据集包含2020年的数据。