# ``ctd_cdom``
## Properties
:dimensions: N_PROF, N_LEVELS
:dtype: float64
## Default Attributes
| Attribute | Value |
|-----|-----|
|``whp_name`` | ``CTDCDOM`` |
|``whp_unit`` | ``QSU`` |
|``standard_name`` | ``concentration_of_colored_dissolved_organic_matter_in_sea_water_expressed_as_equivalent_mass_fraction_of_quinine_sulfate_dihydrate`` |
|``units`` | ``1`` |
|``C_format`` | ``%9.3f`` |
|``C_format_source`` | ``database`` |
## Description
In situ CDOM measured via a uv fluorometer