Label |
Definition |
minRange |
maxRange |
UnitOfMeasure |
Abbreviation |
beam1_echo_intensity |
Measure of the echo intensity returning to beam 1 from the ADCP transmit pulse |
0.0 |
200.0 |
db |
beam1_echo |
beam1_velocity |
Current velocity measured parallel to the path of beam 1 |
-300.0 |
300.0 |
cm s-1 |
beam1_vel |
beam2_echo_intensity |
Measure of the echo intensity returning to beam 2 from the ADCP transmit pulse |
0.0 |
|
db |
beam2_echo |
beam2_velocity |
Current velocity measured parallel to the path of beam 2 |
|
|
cm s-1 |
beam2_vel |
beam3_echo_intensity |
Measure of the echo intensity returning to beam 3 from the ADCP transmit pulse |
0.0 |
200.0 |
db |
beam3_echo |
beam3_velocity |
Current velocity measured parallel to the path of beam 3 |
|
|
cm s-1 |
beam3_vel |
beam4_echo_intensity |
Measure of the echo intensity returning to beam 4 from the ADCP transmit pulse |
0.0 |
200.0 |
db |
beam4_echo |
beam4_velocity |
Current velocity measured parallel to the path of beam 4 |
|
|
cm s-1 |
beam4_vel |
bin_direction |
Current direction of bin |
0.0 |
360.0 |
cm s-1 |
bin_dir |
bin_u_vector |
East/West component of bin vector. Eastward is positive. |
|
|
cm s-1 |
bin_u |
bin_velocity |
Current velocity of bin |
|
|
cm s-1 |
bin_vel |
bin_v_vector |
North/South component of bin vector. Northward is positive. |
|
|
cm s-1 |
bin_v |
bin_width |
Width distance between bins |
|
|
meters |
bin_width |
bottom_tracking_depth |
Distance to sea floor determined by a series of long pulses sent out from ADCP |
|
|
meters |
btm_track_depth |
btm_track_heading |
Heading in degrees to by a series of long pulses sent out from ADCP |
|
|
degrees |
btm_track_hdg |
initial_bin_distance |
Distance from instrument to first bin measurement |
|
|
meters |
init_bin_dist |
number_adcp_beams |
Number of directionally independent beams of the ADCP |
2.0 |
6.0 |
|
number_beams |
number_profile_bins |
Number of uniformely spaced depth cells where data is collected |
|
|
|
number_bins |
air_density |
Mass of air per unit volume. |
|
|
kg m-3 |
air density |
air_pressure |
Pressure exerted by overlying air. |
822.0 |
1040.0 |
hPa |
air_press |
air_temperature |
Temperature of air (in situ). |
10.0 |
38.0 |
celsius |
air_temp |
albedo |
Fraction of downward radiation that is reflected or scattered |
0.0 |
1.0 |
|
alb |
cloud_cover |
Percent of sky covered by clouds of all types. |
0.0 |
100.0 |
percent |
cloud cover |
dew_point_temperature |
Temperature at which air begins to condense. |
|
|
celsius |
dew_point |
downward_longwave_radiation |
Downward IR radiation. Positive is downward. |
250.0 |
450.0 |
W m-2 |
Q_dlw |
downward_shortwave_radiation |
Downward solar insolation. Positive is downward. |
0.0 |
1400.0 |
W m-2 |
Q_dsw |
eastward_wind |
East/West component of wind vector. Eastward wind is positive. |
|
|
m s-1 |
east_wind |
eastward_wind_stress |
East/West component of wind stress. Eastward is positive. |
|
|
N m-2 |
tau_x |
latent_heat_flux |
Evaporative exchange of heat from the atmosphere to the ocean. Positive is downward. |
|
|
W m-2 |
Q_latent |
mixing_ratio |
The ratio of mass of water vapor to the mass of dry air in the sample. |
|
|
g kg-1 |
mix |
net_heat_flux |
Combined net shortwave, net longwave, sensible and latent heat fluxes. Positive is downward. |
|
|
W m-2 |
Q_net |
net_longwave_radiation |
Net IR radiation includes reflected IR radiation. Positive is downward. |
|
|
W m-2 |
Q_lw |
net_shortwave_radiation |
Net solar insolation considering albedo effects. Positive is downward. |
0.0 |
1400.0 |
W m-2 |
Q_sw |
northward_wind |
North/South component of wind vector. Northward wind is positive. |
|
|
m s-1 |
north_wind |
northward_wind_stress |
North/South component of wind stress. Northward is positive. |
|
|
N m-2 |
tau_y |
precipitation_accumlated_daily |
Amount of wet equivalent precipitation accumulated for a 24 hour period. |
|
|
mm |
precip_accum |
precipitation_rate |
Amount of wet equivalent precipitation per unit time. |
|
|
mm hr-1 |
precip_rate |
relative_humidity |
Amount of moisture in the air as vapor relative to how much it can possibly hold at the same temperature. |
0.0 |
105.0 |
precent |
rel_humid |
relative_wind_from_direction |
Direction from which wind is blowing relative to a moving platform, e.g. ship. |
0.0 |
360.0 |
degrees_true |
rel_wnddirec |
relative_wind_speed |
Magnitude of wind velocity relative to a moving platform, e.g. ship. |
0.0 |
70.0 |
m s-1 |
rel_wndspd |
sensible_heat_flux |
Conductive or convective exchange of heat from the atmosphere to the ocean. Positive is downward. |
|
|
W m-2 |
Q_sensible |
upward_wind |
Up/Down component of wind vector. Up is positive. |
|
|
m s-1 |
z_wind |
wet_bulb_temperature |
Temperature of evaporative cooling. |
|
|
celsius |
wet_bulb_temp |
wind_from_direction |
Direction from which wind is blowing. Meteorological Convention. |
0.0 |
360.0 |
degrees_true |
wdir |
wind_gust |
Maximum instantaneous wind speed (usually no more than but not limited to 10 seconds) within a sample averaging interval. |
0.0 |
250.0 |
m s-1 |
wgust |
wind_speed |
Magnitude of wind velocity. |
0.0 |
150.0 |
m s-1 |
wspd |
wind_stress |
Magnitude of wind stress. Wind stress is the force of wind imposed on a unit area. |
|
|
N m-2 |
tau |
wind_stress_to_direction |
Direction toward which wind stress is acting. |
|
|
degrees_true |
tau_dir |
wind_to_direction |
Direction toward which wind is blowing. Oceanographic convention. |
0.0 |
360.0 |
degrees_true |
wdir |
conductivity |
Ability of a material to pass an electrical current. Inverse of resistance. |
|
|
siemens | uS |
cond |
current_speed |
Magnitude of velocity of ocean current. |
0.0 |
360.0 |
cm s-1 |
c_spd |
current_to_direction |
Direction towards which ocean current is going. |
0.0 |
360.0 |
degrees_true |
c_dir |
eastward_current |
East/West component of ocean current. Eastward is positive. |
|
|
cm s-1 |
water_u |
northward_current |
North/South component of ocean current. Northward is positive. |
|
|
cm s-1 |
water_v |
salinity |
Measure of salt content of a seawater sample follows UNESCO standards; approximately parts per thousand. |
20.0 |
38.0 |
PSS or PSU or PPT |
salinity |
sea_surface_elevation |
Height or altitude of the sea surface above specified reference. |
|
|
meter |
surf_el |
signifcant_wave_height |
Average height of the highest one-third of the waves. |
|
|
meter |
sig_wv_ht |
signifcant_wave_to_direction |
Significant wave direction. |
|
|
degrees_true |
sig_wv_dir |
significant_wave_period |
Period of the significant wave. |
|
|
second |
sig_wv_per |
sound_velocity |
Magnitude of velocity of sound in water. |
|
|
m s-1 |
sound_velocity |
specific_conductance |
Ability of a specific volume (1 cubic centimeter) of water to pass an electrical current. |
|
|
uS cm-1 |
sp_cond |
swell_height |
Average height of the highest one-third of the swells, if a separation between swell and wind-wave energy peak exists. |
|
|
meter |
swell_ht |
swell_period |
Period of the swells. |
|
|
second |
swell_per |
swell_to_direction |
Direction the swell is coming from. |
|
|
degrees_true |
swell_dir |
vertical_current |
Upward/Downward component of ocean current. Upward is positive. |
|
|
cm s-1 |
water_w |
water_density |
Mass of water per unit volume |
|
|
kg m-3 |
density |
water_pressure |
Amount of pressure caused by overlying water column. |
|
|
Pa | bar | dbar | atm |
water_press |
wave_steepness |
Measure of departure from typical wave slope. |
|
|
|
steepness |
wind_wave_height |
Average height of the highest one-third of the wind-waves, if a separation between swell and wind-wave energy peak exists. |
|
|
meter |
wind_wv_ht |
wind_wave_period |
Period of wind-waves. |
|
|
second |
wind_wv_per |
wind_wave_to_direction |
Direction the wind-waves are coming from. |
|
|
degrees_true |
wind_wv_dir |
bw_irradiance |
Irradiance for black body and white light source. |
|
|
W m-2 |
bw_irrad |
bw_radiance |
Radiance for black body and white light source. |
|
|
W m-2 sr-1 |
bw_rad |
downwelling_irradiance |
Irradiance from above. |
|
|
W m-2 m-1 |
Ed |
downwelling_longwave_irradiance |
Integrated downwelling irradiance for spectral wavelengths greater than 700nm. |
|
|
W m-2 |
pir_irrad |
downwelling_radiance |
Radiance from below. |
|
|
W m-2 m-1 sr-1 |
Ld |
downwelling_shortwave_irradiance |
Integrated downwelling irradiance for spectral wavelengths less than 700nm. |
|
|
W m-2 |
psp_irrad |
downwelling_uv_irradiance |
Integrated downwelling irradiance for wavelengths in the ultraviolet region. |
|
|
W m-2 |
uv_irrad |
downwelling_uv_radiance |
Integrated downwelling radiance for wavelengths in the ultraviolet region. |
|
|
W m-2 sr-1 |
uv_rad |
electromagnetic_wavelength |
specific frequency of energy within the electromagnetic spectrum. |
|
|
m |
wavelength |
light_attenuation_coefficient |
Measure of combined effects on light caused by absorption and scattering over a defined distance for a specific wavelength of light. |
|
|
m-1 |
attenuate |
photosynthetically_available_radiation |
Integrated downwelling irradiance for wavelengths from 400 to 700nm. |
|
|
W m-2 |
PAR |
remote_sensing_spectral_reflectance |
Upwelling radiance (Lu) divided by downwelling radiance (Ed) at a specific spectral wavelength. |
|
|
sr-1 |
Rrs |
spectral_irradiance |
Light energy of specific wavelength from all directions at a point and time in space. |
|
|
W m-2 m-1 |
E |
spectral_radiance |
Light energy of specific wavelength from a set of directions (solid angle) at a point and time in space. |
|
|
W m-2 m-1 sr-1 |
L |
spectral_reflectance |
Upwelling irradiance (Eu) divided by downwelling radiance (Ed) at a specific spectral wavelength. |
|
|
|
R |
turbidity |
Measure of light scattering due to suspended material in water. |
|
|
NTU |
turb |
upwelling_irradiance |
Irradiance from below |
|
|
W m-2 m-1 |
Eu |
upwelling_radiance |
Radiance from above. |
|
|
W m-2 m-1 sr-1 |
Lu |
visibility |
Greatest distance an object can be seen and identified. Usually refering to visibility in air but could be other medium. |
|
|
m |
visibility |
water_leaving_radiance |
Radiance from below, leaving the water surface. |
|
|
W m-2 m-1 sr-1 |
Luw |
voltage |
Voltage measurement of the battery |
|
|
volts |
volt |
beam_echo_intensity |
Measure of the echo intensity returning to beam 1 from the ADCP transmit pulse |
0.0 |
200.0 |
db |
beam_echo |
beam_velocity |
Current velocity measured parallel to the path of an Acoustic Doppler Current Profiler beam |
-300.0 |
300.0 |
cm s-1 |
beam_vel |
water_temperature |
In situ water temperature |
5.0 |
35.0 |
celsius |
wtemp |
cdom |
colored (or chromophoric) dissolved organic matter, of riverine origin |
|
|
mg/l or 1/m |
cdom |
chl_concentration |
concentration of chloropyll-a in a defined volume of water |
|
|
ug L-1 (not kg m-3) |
chl_conc |
nitrate_concentration |
Measured nitrate concentration in the immediate environment |
|
|
ug L-1 |
nitrate |
oxygen_concentration |
Concentration in water of dissolved oxygen. |
|
|
ug L-1 |
oxygen_concen |
oxygen_saturation |
Concentration at which oxygen becomes saturated in water. |
|
|
ug L-1 |
oxygen_sat |
altitude |
Z-coordinate of observation in vertical distance above reference. Up is positive. |
|
|
meter |
altitude |
bottom |
Ocean bottom. |
|
|
|
bottom |
depth |
Z-coordinate of observation in vertical distance below reference. Down is positive. |
0.0 |
300.0 |
meter/decibar |
depth |
gps_elevation |
Elevation from where the GPS reading was made |
|
|
km |
gps_elev |
height |
Z-coordinate of observation in vertical distance above reference. Up is positive. |
|
|
meter |
height |
latitude |
Y-coordinate of dependent observation in geographic coordinate. North is positive. Alternate definition: The angular distance north and south of the equator, with the equator being 0° and the poles 90°. |
|
|
degrees_north |
lat |
latitude_degrees |
Integer degrees of latitude |
|
|
degrees_north |
lat_deg |
latitude_hemisphere |
Northern or Southern hemisphere |
|
|
N | S |
lat_hem |
latitude_minutes |
Fraction of latitude degree divided by 60. |
0.0 |
60.0 |
angular_minute |
lat_min |
latitude_seconds |
Fraction of lat_min divided by 60. |
0.0 |
60.0 |
angular_second |
lat_sec |
longitude |
X-coordinate of dependent observation in geographic coordinate. East is positive. Alternate definition: The angular distance east and west of the prime meridian (0° lon.), that runs through Greenwich, England. |
|
|
degrees_east |
lon |
longitude_degrees |
Integer degrees of longitude |
|
|
degrees_east |
lon_deg |
longitude_hemisphere |
Eastern or Western hemisphere |
|
|
E | W |
lon_hem |
longitude_minutes |
Fraction of longitude degree divided by 60. |
0.0 |
60.0 |
angular_minute |
lon_min |
longitude_seconds+A151 |
Fraction of lon_min divided by 60. |
0.0 |
60.0 |
angular_second |
lon_sec |
skin |
Upper millimeter to centimeter of a surface. |
|
|
meter |
skin |
surface |
Upper 1-2 meters of an interface between two layers, commonly the sea surface. |
|
|
|
surface |
z |
Z-coordinate of observation. Zero (z=0) is defined by reference. Up is positive. |
|
|
meter |
z |
averaging_interval |
Time periood over which several observations are averaged. |
|
|
seconds |
average_interval |
date_time_string |
Date and time character string of observation that includes year, month, day, hour, minute and second. |
|
|
string YYYY MM DD hh mm ss |
date_time_string |
day_of_year |
Number of days since day 1 of reference year. |
0.0 |
366.0 |
days |
doy |
sample_interval |
Time period between observations. |
|
|
seconds |
sample_interval |
source_time |
Time coordinate of observation based on unit of time (seconds, hours, days) since a defined reference time. |
|
|
{sec | hr | day} since YYYY-MM-DD HH:MM:SS.xxx {+/- ZONE} |
source_time |
time |
Time coordinate of observation based on number of seconds since the defined reference time. |
|
|
sec since 1970-1-1 00:00:00 |
time |
|
|
|
|
|
|