# ``geotraces_sample``
## Properties
:dimensions: N_PROF, N_LEVELS
:dtype: float32
## Default Attributes
| Attribute | Value |
|-----|-----|
|``whp_name`` | ``GEOTR_SAMPNO`` |
## Description
The GEOTRACES Sample number. Along with the GEOTRACES Event number, it is used by the GEOTRACES community for sample identification.