license:apache-2.0 size_categories:1K<n<10K format:csv modality:image modality:tabular library:datasets library:pandas library:mlcroissant library:polars region:us
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license: apache-2.0
size_categories:
- n<1K
---

# MODIS Water Lake Powell Toy Dataset

### Dataset Summary

Tabular dataset comprised of MODIS surface reflectance bands along with calculated indices and a label (water/not-water)

## Dataset Structure

### Data Fields

- `water`: Label, water or not-water (binary)
- `sur_refl_b01_1`: MODIS surface reflection band 1 (-100, 16000)
- `sur_refl_b02_1`: MODIS surface reflection band 2 (-100, 16000)
- `sur_refl_b03_1`: MODIS surface reflection band 3 (-100, 16000)
- `sur_refl_b04_1`: MODIS surface reflection band 4 (-100, 16000)
- `sur_refl_b05_1`: MODIS surface reflection band 5 (-100, 16000)
- `sur_refl_b06_1`: MODIS surface reflection band 6 (-100, 16000)
- `sur_refl_b07_1`: MODIS surface reflection band 7 (-100, 16000)
- `ndvi`: Normalized differential vegetation index (-20000, 20000)
- `ndwi1`: Normalized differential water index 1 (-20000, 20000)
- `ndwi2`: Normalized differential water index 2 (-20000, 20000)
  
### Data Splits

Train and test split. Test is 200 rows, train is 800.

## Dataset Creation

## Source Data

[MODIS MOD44W](https://lpdaac.usgs.gov/products/mod44wv006/)
[MODIS MOD09GA](https://lpdaac.usgs.gov/products/mod09gav006/)
[MODIS MOD09GQ](https://lpdaac.usgs.gov/products/mod09gqv006/)


## Annotation process

Labels were created by using the MOD44W C6 product to designate pixels in MODIS surface reflectance products as land or water.