# PBO H2O

If you are interested in learning more about PBO H2O:

- For an overview on the project and products, [please see this paper.](https://www.kristinelarson.net/wp-content/uploads/2015/12/Larson-2016-WIRES_Water.pdf)

- [This simple website provides access to some information about the products](https://gnss-reflections.org/maps).
It does not have all the searching functionality of the original website.

- The PBO H2O soil moisture products were [validated in this paper.](https://www.kristinelarson.net/wp-content/uploads/2015/12/SmallLarson_etal2016.pdf).

- The official soil moisture products are available from the [ISMN](https://ismn.geo.tuwien.ac.at/en/networks/?id=PBO_H2O).

- The official snow products can be downloaded from the [NSIDC](https://nsidc.org/data/nsidc-0722/versions/1).

- With support from NASA, the code that operated PBO H2O was transferred to JPL in 2017. Questions about this code
should be directed to Sue Owen.