Standard Names

The table below shows our preliminary list of standard variable names.

CSDMS Standard Name	Unit	temporal resolution	description	comment	Assumption
atmosphere__precipitation_volume_flux	?	mm/hr/m2	Total precipitation amount over time step and per unit area
atmosphere_snow__precipitation_volume_flux	?	mm/hr/m2	Total precipitation amount falling in solid form over time step and per unit area (eq to kg/hr/m2)
atmosphere_water__10-year_average_precipitation_volume_flux	mm/yr	?	10 year average precipitation
atmosphere_water__precipitation_volume_flux	mm	daily	sub-basin precipitation per timestep
basin__area	?	m2	area	should this rather refer to ecotopes?
basin__REC-segment_code	?	?	sub-basin ID	ID as 8 character string
basin_centroid__latitude	?	dd.dddd	latitude of a given basin's centroid	should this rather refer to ecotopes?	basin_* refers to a REC segment
basin_centroid__longitude	?	dd.dddd	longitude of a given basin's centroid	should this rather refer to ecotopes?
basin_outlet_water__volume_flow_rate	?	m3/s	Outlet channel discharge	we've got channel_water__volume_flow_rate - is this different?
channel__mean_of_elevation	?	masl	mean channel elevation		elevation refers to the bottom of the channel (?); channel_* refers to a REC segment
channel__mean_of_slope	?	%	mean channel slope		slope of the bottom of the channel (?)
channel__mean_of_width	?	m	mean channel width	width at a specific water level?
channel_entrance_center__elevation	?	masl	Channel bottom elevation for the start of the reach
channel_entrance_center__latitude	?	dd.dddd	latitude at centre of channel entrance (i.e. start of the section)
channel_entrance_center__longitude	?	dd.dddd	longitude at centre of channel entrance (i.e. start of the section(
channel_exit_center__elevation	?	masl	Channel bottom elevation for the end of the reach		channel_*__elevation refers to the bottom of the channel
channel_exit_center__latitude	degrees	dd.dddd	latitude at centre of channel exit (i.e. end of the section)		channel_* refers to an individual REC segment
channel_exit_center__longitude	degrees	dd.dddd	longitude at centre of channel exit (i.e. start of the section)
channel_nitrogen__concentration	g/m3?	annual	mean annual N concentration in reach	units correct? SI units are kg/m³. No temporal resolution is required.
channel_nitrogen__mass_flow_rate	t/yr?	annual	mean annual N load in reach	units correct?
channel_NZ-reach_code	?	[-]	NZ reach identifier specific to each Digital River network	should this rather refer to REC segments?
channel_phosphorous__concentration	?	?	mean annual P concentration in reach
channel_water__abstraction_volume_flow_rate	m3/s	daily	river flow abstraction
channel_water__volume_flow_rate	m3/s	hourly	routed reach flow
channel_water_flow__end_time	?	?	end date of subbasin flow time series	date format not specified (ISO?)
channel_water_flow__start_time	unit?	?	start date of subbasin flow time series	date format not specified (ISO?)
channel_water~outgoing__volume_flow_rate	L3/T	daily	surfacewater groundwater flux
channel_water~outgoing__volume_flux	m/s	annual	mean annual flow loss to GW	change units from m3/s to m/s
ecotope__area	m2	?	ecotope area		"ecotope_* ecotope refers to the unique combination of land use
ecotope__slope	%	?	average slope of a given ecotope
ecotope~irrigated__area_fraction	?	?	proportion of irrigated area within a given ecotope
industry__water-take_volume_flow_rate	?	m3/day	Need metered data (surf or groundwater)
land_surface__irrigation_volume_flow_rate	?	mm/hr/m2	"Provided by Luci (soil demand)	either met by SW or GW with SW first "
crop__yield	t/ha	daily	yield of the given	unit?
land_surface_water__actual-evapotranspiration-to-potential-evapotranspiration_ratio	[-]	[-]	ratio of actual ET over potential ET
land_surface_water__evaporation_volume_flux	mm	daily	Luci catchment scale evaporation	does this refer to ecotopes?
land_surface_water__potential_evapotranspiration_volume_flux	mm	daily	sub-basin potential evapotranspiration
land_surface_water__runoff_volume_flow_rate	m3/s	daily	ecotope overlandflow
land_surface_water_nitrogen~outgoing__mass_flux	t/yr	annual	mean annual surface loading
land_surface_water_point-source_nitrogen~outgoing__mass_flux	t/yr	annual	mean annual loading from point sources
model_climate-type__code	?	?	climate type identifier (Id)
model_land-use-type__code	?	?	land use type ID
model_soil_layer__count	?	?	number of soil horizons
model_soil_layer~0__thickness	mm	?	depth of soil horizon
model_soil_layer~0_water__available_volume_fraction	?	?	plant available water fraction for soil horizon
model_soil_layer~0_water__drainable_volume_fraction	?	?	drainable water fraction for soil horizon
model_soil_water_sat-zone__code	?	?	Identifier of Luci groundwater store for area not covered by Modflow
model_soil_water_sat-zone__volume	?	m3	Luci groundwater maximum storage
model_soil_water_sat-zone_centroid__latitude	?	?	Centroid luci groundwater system for area not covered by modflow	"I'm not happy with those names; Also	a coordinate at a given point might be ambiguous if we want to characterise the perimeter of an area. Maybe we should include MODFLOW coverage as input layer into the ecotopes and than use a binary code to indicate where MODLFOW data is available; a possible name could be: model_MODFLOW~available__code "
model_soil_water_sat-zone_centroid__longitude	?	?
model_soil-type__code	?	?	soil type identifier (id)
reservoir_water~incoming__volume_fraction	?	?	proportion routed to reservoirs (per horizon?)	must sum to 1; applies to bottom 3 horizons?
soil_anion__storage_capacity	%	?	anion storage capacity in the soil
soil_water_sat-zone__abstraction_volume_flow_rate	L3/T	daily	groundwater abstraction rate
soil_water_sat-zone__initial_nitrogen_concentration	M/L3	daily	initial groundwater N concentration
soil_water_sat-zone__initial_phosphorous_concentration	M/L3	daily	initial groundwater P concentration
soil_water_sat-zone__nitrogen_concentration	M/L3	daily	simulated N concentration in groundwater
soil_water_sat-zone__nitrogen_mass_flux	M/T	daily	groundwater N loading rate
soil_water_sat-zone__phosphorous_concentration	M/L3	daily	simulated P concentration in groundwater
soil_water_sat-zone__phosphorous_mass_flux	M/T	daily	groundwater P loading rate
soil_water_sat-zone__residence_time	days	?	residence time of groundwater flow in soil
soil_water_sat-zone__volume_flux	L3/T	daily	groundwater_flux	"this is too generic	there a fluxes to/from surface water and soil water"
soil_water_sat-zone__volume_fraction		m3	Luci groundwater storage estimation
soil_water_sat-zone_nitrogen~outgoing__mass_flux	kg/ha/yr	annual	N loss from soil root zone
soil_water_sat-zone_phosphorous~outgoing__mass_flux	kg/ha/yr	annual	P loss from soil root zone
soil_water_sat-zone_top__depth	L	daily	water table depth
soil_water_sat-zone_top__initial_depth	L	daily	initial groundwater level
soil_water_sat-zone_top__recharge_volume_flux	L/T	daily	ecotope groundwater recharge	"ecotope = union of land use	soil
soil_water_stat-zone__runoff_volume_flow_rate	?	m3/s	Modflow groundwater discharge (positive or negative) to the stream (reach volume)
soil_water_unsat-zone__difference_of_60-percent_available_volume_fraction_and_wilting-point_volume_fraction	?	mm/m2	Luci catchment scale soil water demand between 60% PAW and wilting point	preliminary - need further thinking
soil_water_unsat-zone__difference_of_field_capacity_content_and_volume_fraction	?	mm/m2	Luci catchment scale soil moisture deficit (not cumulative)	preliminary - need further thinking
soil_water_unsat-zone__residence_time	days	?	residence time of interflow in soil
soil_water_unsat-zone__runoff_volume_flow_rate	m3/s	daily	ecotope interflow
soil_water_unsat-zone__volume_fraction	?	mm/m2	Luci catchment scale soil moisture	does this refer to ecotopes?
soil_water~plant-available_unsat-zone__volume	?	mm	catchment scale plant available model	does this refer to a REC basin or our ecotopes?