{"variable":"chl","description":"chlorophyll a","units":"mg/m3"} {"variable":"dox","description":"dissolved oxygen","units":"mg/L"} {"variable":"spm","description":"suspended particulate matter","units":"mg/L"} {"variable":"ext","description":"extinction coefficient","units":"1/m"} {"variable":"sal","description":"salinity","units":"psu"} {"variable":"temp","description":"temperature","units":"C"} {"variable":"nox","description":"nitrate + nitrite","units":"uM"} {"variable":"nhx","description":"ammonium","units":"uM"}