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|
bj_code |
Birge and Juday code number |
|
|
|
lakename |
current lake name |
|
|
|
year4 |
year |
nominalYear |
|
|
sample_date |
sample date |
|
|
|
depth |
depth at which the sample or measurement was taken |
meter |
|
|
tc |
water temperature |
celsius |
|
|
alk |
alkalinity |
milligramsPerLiter |
|
|
con |
conductance |
microSiemensPerCentimeter |
|
|
col |
apparent color (mg Pt/L) [mg PT relative to color scale] |
|
|
|
ph |
The log base ten of hydrogen ion concentration in a given sample |
standard units |
|
|
sd |
secchi disk reading |
meter |
|
|
res |
residue (2-6 liters evaporated to 25 ml at 70-75 deg c then dried and weighed) |
milligramsPerLiter |
|
|
org_c |
The quantity of carbon bound to organic compounds in a given sample. |
milligramsPerLiter |
|
|
org_n |
The quantity of nitrogen bound to organic molecules in a given sample. |
milligramsPerLiter |
|
|
orgc_orgn_ratio |
The ratio of organic carbon to organic nitrogen in a given sample. |
dimensionless |
|
|
cp |
The total quantity of protein in a given sample. |
milligramsPerLiter |
|
|
nan |
The quantity of nitrogen in a sample that is not associated with proteins. For example nitrogen associated with DNA or other inorganic sources. |
milligramsPerLiter |
|
|
ee |
The quantity of ether extracted from a given sample. |
milligramsPerLiter |
|
|
totorg |
The total amount of organic material in a given sample. |
milligramsPerLiter |
|
|
plank |
plankton biomass (weight loss on ignition (600 degc) of dried (60 degc) residue centrifuged from 1 l samples. |
milligramsPerLiter |
|
|
inorg |
The total amount of inorganic material in a given sample. |
milligramsPerLiter |
|
|
si |
dissolved silica |
milligramsPerLiter |
|
|
state |
state abbreviation |
|
|
|
country |
country |
|
|
|
notes |
notes |
|
