Symbols of variables measured


Optical variables
a-plLight absorbtion coefficient by photosynthetic pigments
a-ys Light absorbtion coefficient by yellow substances
c Beam attenuation coefficient for selected wavelengths
Ed(0+) Downward irradiance above water surface
Ed(0-) Downward irradiance below water surface
Ed(z) Vertical profiles of downwelling irradiance for selected wavelengths
Ed-pyr Downward irradiance on the water surface (pyranometer)
Lidar-AerLidar measured distance profiles of marine aerosol backscattering
Lidar-ChlSpectra of sea-water fluorescence measured with a lidar system
Lidar-FluIndex of oil fluorescence in surface waters
Lu(0+) Upwelling radiance above water surface
Lu(0-) Upwelling radiance below water surface
Lu(z) Vertical profiles of upwelling radiance for selected wavelengths
Kd Downward irradiance attenuation coefficient
Kd-M Downward irradiance attenuation coefficient (data from MER)

Primary production
PPinsitu Primary production in situ
PPink Incubated primary production
PP-? Primary production - other methods

Photosynthetic pigments concentration
chl-a Chlorophyll "a" concentration
chl-b Chlorophyll "b" concentration
chl-c Chlorophyll "c" concentration
pheopigm. Pheopigments concentration
caroten Carotenoids concentration

Chlorophyll fluorecence
Fluo Common fluorescence intensity
Fl-PP Active fluorescence method
Fl-del Delayed fluorescence
Fl-? Fluorescence - other methods

Biogenic substance concentration
Ctot Total carbon
Corg Organic carbon
Ntot Total nitrogen
Ninorg Inorganic nitrogen
NO2 Nitrites
NO3 Nitrates
NH4 Ammonia
Ptot Total phosphorus
Pinorg Inorganic phosphorus
   
TSM Total suspended matter concentration

Acoustical variables
AKU-ESE Echo Signal Envelope
AKU-ES Echo Signal