Access to the Data



The data below can be downloaded after asking an username and a password at This account allows you also to access the interface of the database to refine your data request. You can consult the H+ database guide to get support for the use of the database.

Google Earth

The google earth file can be downloaded here : 

The google earth interface allows the spatial visualization of the sites and measurement locations. In particular, it allows the visualization of the spacialized data such as the geophysical maps and cross-sections. Extraction of data can be directly done through the google earth interface.

Statistics on inserted data

Available data on the Guidel site

All the data in the H+ database can be extracted with request in the page dedicated to the database. For some data pre-requests have been defined for an easier solution to download data. The results of these pre-requests can be downloaded through the links in the table below.


Ion concentration

Gaz concentration


In situ measurements

Spatialized data




Sites data