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els_id |
ELS id |
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lakename |
lake name |
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state |
state abbreviation |
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latitude |
latitude |
degree |
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longitude |
longitude |
degree |
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sam_type |
sample type: REG: regular lakes SPC: Special Interest Lakes |
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sampledate |
sample date |
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elev |
lake elevation |
meter |
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larea |
lake area |
hectare |
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warea |
watershed area |
hectare |
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wa_la |
(watershed area): (lake area ratio) |
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hydrotyp |
hydrologic type |
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stemp |
surface water temperature |
celsius |
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strat |
stratification |
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depth |
site depth |
meter |
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secchi |
secchi depth |
meter |
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turbid |
turbidity (NTU) |
nephelometric turbidity unit |
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color |
color (PCU) |
platinum cobalt units |
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fe |
Fe iron |
microgramsPerLiter |
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mn |
manganese concentration |
milligramsPerLiter |
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anions |
sum of anions |
microEquivalentsPerLiter |
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cations |
sum of cations |
microEquivalentsPerLiter |
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cat_an |
cations: anions ratio |
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eq_ph |
equilibrated pH |
pH |
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cl_ph |
closed pH |
pH |
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anc |
acid neutralizing capacity |
microEquivalentsPerLiter |
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mea_cond |
measured conductance |
microSiemensPerCentimeter |
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cal_cond |
calculated conductance |
microSiemensPerCentimeter |
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eq_dic |
equilibrated DIC dissolved inorganic carbon |
milligramsPerLiter |
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cl_dic |
closed DIC - dissolved inorganic carbon |
milligramsPerLiter |
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doc |
dissolved organic carbon |
milligramsPerLiter |
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ex_al |
extractable Al aluminum |
microgramsPerLiter |
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tot_al |
total Al aluminum |
microgramsPerLiter |
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ca |
Ca calcium |
microEquivalentsPerLiter |
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mg |
Mg magnesium |
microEquivalentsPerLiter |
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na |
Na sodium |
microEquivalentsPerLiter |
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k |
K potassium |
microEquivalentsPerLiter |
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nh4 |
NH4 ammonia |
microEquivalentsPerLiter |
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so4 |
SO4 sulphate |
microEquivalentsPerLiter |
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hco3 |
HC03 bicarbonate |
microEquivalentsPerLiter |
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cl |
chloride concentration |
milligramsPerLiter |
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no3 |
nitrate |
milligramsPerLiter |
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f |
F Flourine |
microEquivalentsPerLiter |
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tp |
total phosphorus |
microgramsPerLiter |
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sio2 |
SiO2 silica |
milligramsPerLiter |
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pop_fact |
population factor |
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str_pop |
strata population |
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