# ``argon_39``
## Properties
:dimensions: N_PROF, N_LEVELS
:dtype: float64
## Default Attributes
| Attribute | Value |
|-----|-----|
|``whp_name`` | ``AR-39`` |
|``whp_unit`` | ``PCTMOD`` |
|``units`` | ``1e-2`` |
|``C_format`` | ``%9.1f`` |
|``C_format_source`` | ``database`` |
## Description
:sup:`39`\ Ar enrichment/depletion compared to modern atmospheric ratios