# ``delta_helium_3`` ## Properties :dimensions: N_PROF, N_LEVELS :dtype: float64 ## Default Attributes | Attribute | Value | |-----|-----| |``whp_name`` | ``DELHE3`` | |``whp_unit`` | ``PERCNT`` | |``units`` | ``percent`` | |``C_format`` | ``%9.2f`` | |``C_format_source`` | ``database`` | ## Description Enrichment of :sup:`3`\ He in dissolved helium gas