Ship 
Name of research vessel

unitless 
ship 
Region 
General geogrpaphic region for the data collected

unitless 
region 
Designator 
Numerical cruise number or other descriptor

unitless 
cruise_id 
Site_Name 
Name or descriptor of sampled site location

unitless 
site 
Latitude 
Latitude (the North direction is represented by positive numbers)

decimal degrees 
lat 
Longitude 
Longitude (the West direction is represented by negative numbers)

decimal degrees 
lon 
Date 
Date of sample collection in the local time zone

unitless 
date 
Time 
Time of sample collection recorded in the respective local time using a 24 hour clock

unitless 
time 
Time_Zone 
Respective local time zone where AKDT is Alaska Daylight Time, EST is Eastern Standard Time, and EDT is Eastern Daylight Time

unitless 
time_zone 
ISO_DateTime_UTC 
Date and time of sample collection in UTC in ISO 8601 format

unitless 
ISO_DateTime_UTC 
Water_Depth 
General descriptor (e.g., surface, Chlorophyll maximum, etc.)

unitless 
sample_descrip 
Sample_Depth 
Depth sample collected at in meters

meters (m) 
depth 
Total_Water_Column_Depth 
Depth of the total water column in meters

meters (m) 
depth_w 
Salinity 
Salinity of site water in parts per trillion

parts per trillion 
sal 
Temperature 
Temperature of site water in degrees Celsius

degrees Celsius 
temp 
Total_Dissolved_N 
Total dissolved nitrogen in micromoles nitrogen per liter

micromoles per liter (umol/L) 
TDN 
Total_Dissolved_Nz_Std 
One standard deviation of Total_Dissolved_N

micromoles per liter (umol/L) 
TDN 
Nitrite 
Nitrite in micromoles nitrogen per liter; 0.000 = Below detection; Detection limit: 0.05 umol N L1

micromoles per liter (umol/L) 
NO2 
Nitrite_Std 
One standard deviation of Nitrite. "SL" means "Sample lost".

micromoles per liter (umol/L) 
NO2 
Nitrate 
Nitrate in micromoles nitrogen per liter; 0.000 = Below detection; Detection limit: 0.05 umol N L1

micromoles per liter (umol/L) 
NO3 
Nitrate_Std 
One standard deviation of Nitrate

micromoles per liter (umol/L) 
NO3 
Ammonium 
Ammonium in micromoles nitrogen per liter; 0.000 = Below detection; Detection limit: 0.03 umol N L1

micromoles per liter (umol/L) 
NH4 
Ammonium_Std 
One standard deviation of Ammonium

micromoles per liter (umol/L) 
NH4 
Dissolved_Organic_N 
Dissolved organic nitrogen in micromoles nitrogen per liter

micromoles per liter (umol/L) 
DON 
Dissolved_Organic_N_Std 
One standard deviation of Dissolved_Organic_N. "SL" means "Sample lost".

micromoles per liter (umol/L) 
DON 
Urea 
Urea in micromoles nitrogen per liter; 0.000 = Below detection; Detection limit: 0.1 umol N L1

micromoles per liter (umol/L) 
Urea 
Urea_Std 
One standard deviation of Urea

micromoles per liter (umol/L) 
Urea 
Dissolved_Primary_Amines 
Dissolved primary amine in micromoles nitrogen per liter; 0.000 = Below detection; Detection limit: 0.025 umol N L1

micromoles per liter (umol/L) 
primary_amines 
Dissolved_Primary_Amines_Std 
One standard deviation of Dissolved_Primary_Amines

micromoles per liter (umol/L) 
primary_amines 
Dissolved_Organic_C 
Dissolved organic carbon in micromoles carbon per liter

micromoles per liter (umol/L) 
DOC 
Dissolved_Organic_C_Std 
One standard deviation of Dissolved_Organic_C

micromoles per liter (umol/L) 
DOC 
Phosphate 
Phosphate in micromoles phosphorus per liter; 0.000 = Below detection; Detection limit: 0.05 umol N L1

micromoles per liter (umol/L) 
PO43 
Phosphate_Std 
One standard deviation of Phosphate

micromoles per liter (umol/L) 
PO43 
Silicate 
Silicate in micromoles silica per liter; 0.000 = Below detection; Detection limit: 0.11 umol N L1

micromoles per liter (umol/L) 
Silicate 
Silicate_Std 
One standard deviation of Silicate

micromoles per liter (umol/L) 
Silicate 
Chl_a_gt_3um 
Chlorophyl a in micrograms per liter in the size fraction representing the community greater than 3.0 micrometers (>3.0um); 0.000 = Below detection; Detection limit: 0.025 ug L1

micrograms per liter (ug/L) 
chl_a 
Chl_a_gt_3um_Std 
One standard deviation of Chl_a_gt_3um

micrograms per liter (ug/L) 
chl_a 
Chl_a_gt_7tenths_um 
Chlorophyl a in micrograms per liter in the size fraction representing the community greater than 0.7 micrometers (>0.7um); 0.000 = Below detection; Detection limit: 0.025 ug L1

micrograms per liter (ug/L) 
chl_a 
Chl_a_gt_7tenths_um_Std 
One standard deviation of Chl_a_gt_7tenths_um

micrograms per liter (ug/L) 
chl_a 
Phaeo_gt_3um 
Phaeopigment in micrograms per liter in the size fraction representing the community greater than 3.0 micrometers (>3.0um)

micrograms per liter (ug/L) 
phaeo 
Phaeo_gt_3um_Std 
One standard deviation of Phaeo_gt_3um

micrograms per liter (ug/L) 
phaeo 
Chl_a_gt_3tenths_um 
Chlorophyl a in micrograms per liter in the size fraction representing the community greater than 0.3 micrometers (>0.3um); 0.000 = Below detection; Detection limit: 0.025 ug L1

micrograms per liter (ug/L) 
chl_a 
Chl_a_gt_3tenths_um_Std 
One standard deviation of Chl_a_gt_3tenths_um

micrograms per liter (ug/L) 
chl_a 
Phaeo_gt_3tenths_um 
Phaeopigment in micrograms per liter in the size fraction representing the community greater than 0.3 micrometers (>0.3um)

micrograms per liter (ug/L) 
phaeo 
Phaeo_gt_3tenths_um_Std 
One standard deviation of Phaeo_gt_3tenths_um

micrograms per liter (ug/L) 
phaeo 
Creatine_V_gt_3um 
Specific uptake rate of creatine per hour in the size fraction representing the community greater than 3.0 micrometers (>3.0um)

per hour 
creatine 
Creatine_V_gt_3um_Std 
One standard deviation of Creatine_V_gt_3um

per hour 
creatine 
Creatine_V_3tenths_to_3um 
Specific uptake rate of creatine per hour in the size fraction representing the community between 0.3 and 3.0 micrometers (0.33.0um)

per hour 
creatine 
Creatine_V_3tenths_to_3um_Std 
One standard deviation of Creatine_V_3tenths_to_3um

per hour 
creatine 
Creatine_V_gt_3tenths_um 
Specific uptake rate of creatine per hour in the size fraction representing the community greater than 0.3 micrometers (>0.3um)

per hour 
creatine 
Creatine_V_gt_3tenths_um_Std 
One standard deviation of Creatine_V_gt_3tenths_um

per hour 
creatine 
Isotope_Dilution_Corrected_Ammonium_V_gt_3um 
Specific uptake rate per hour for ammonium, corrected for isotope dilution, in the size fraction representing the community greater than 3.0 micrometers (>3.0um)

per hour 
NH4 
Isotope_Dilution_Corrected_Ammonium_V_gt_3um_Std 
One standard deviation of Isotope_Dilution_Corrected_Ammonium_V_gt_3um

per hour 
NH4 
Isotope_Dilution_Corrected_Ammonium_V_gt_3tenths_um 
Specific uptake rate per hour for ammonium, corrected for isotope dilution, in the size fraction representing the community greater than 0.3 micrometers (>0.3um)

per hour 
NH4 
Isotope_Dilution_Corrected_Ammonium_V_gt_3tenths_um_Std 
One standard deviation of Isotope_Dilution_Corrected_Ammonium_V_gt_3tenths_um

per hour 
NH4 
Ammonium_V_gt_3um 
Specific uptake rate of ammonium per hour in the size fraction representing the community greater than 3.0 micrometers (>3.0um)

per hour 
NH4 
Ammonium_V_gt_3um_Std 
One standard deviation of Ammonium_V_gt_3um

per hour 
NH4 
Ammonium_V_3tenths_to_3um 
Specific uptake rate of ammonium per hour in the size fraction representing the community between 0.3 and 3.0 micrometers (0.33.0um)

per hour 
NH4 
Ammonium_V_3tenths_to_3um_Std 
One standard deviation of Ammonium_V_3tenths_to_3um

per hour 
NH4 
Ammonium_V_gt_3tenths_um 
Specific uptake rate of ammonium per hour in the size fraction representing the community greater than 0.3 micrometers (>0.3um)

per hour 
NH4 
Ammonium_V_gt_3tenths_um_Std 
One standard deviation of Ammonium_V_gt_3tenths_um

per hour 
NH4 
Nitrate_V_gt_3um 
Specific uptake rate of nitrate per hour in the size fraction representing the community greater than 3.0 micrometers (>3.0um)

per hour 
NO3 
Nitrate_V_gt_3um_Std 
One standard deviation of Nitrate_V_gt_3um

per hour 
NO3 
Nitrate_V_gt_3tenths_um 
Specific uptake rate of nitrate per hour in the size fraction representing the community greater than 0.3 micrometers (>0.3um)

per hour 
NO3 
Nitrate_V_gt_3tenths_um_Std 
One standard deviation of Nitrate_V_gt_3tenths_um

per hour 
NO3 
Urea_V_gt_3um 
Specific uptake rate of urea per hour in the size fraction representing the community greater than 3.0 micrometers (>3.0um)

per hour 
Urea 
Urea_V_gt_3um_Std 
One standard deviation of Urea_V_gt_3um

per hour 
Urea 
Urea_V_gt_3tenths_um 
Specific uptake rate of urea per hour in the size fraction representing the community greater than 0.3 micrometers (>0.3um)

per hour 
Urea 
Urea_V_gt_3tenths_um_Std 
One standard deviation of Urea_V_gt_3tenths_um

per hour 
Urea 
AA_V_gt_3um 
Specific uptake rate of amino acids per hour in the size fraction representing the community greater than 3.0 micrometers (>3.0um)

per hour 
no_bcodmo_term 
AA_V_gt_3um_Std 
One standard deviation of AA_V_gt_3um

per hour 
no_bcodmo_term 
AA_V_3tenths_to_3um 
Specific uptake rate of amino acids per hour in the size fraction representing the community between 0.3 and 3.0 micrometers (0.33.0um)

per hour 
no_bcodmo_term 
AA_V_3tenths_to_3um_Std 
One standard deviation of AA_V_3tenths_to_3um

per hour 
no_bcodmo_term 
AA_V_gt_3tenths_um 
Specific uptake rate of amino acids per hour in the size fraction representing the community greater than 0.3 micrometers (>0.3um)

per hour 
no_bcodmo_term 
AA_V_gt_3tenths_um_Std 
One standard deviation of AA_V_gt_3tenths_um

per hour 
no_bcodmo_term 