Boundaries of ERTS and aircraft data within which useful water quality information can be obtained.
D000401:Aircraft; D002338:Carotenoids / Q000032:analysis; D002734:Chlorophyll / Q000032:analysis; D003116:Color; D003201:Computers; D006812:Humic Substances / Q000032:analysis; D009566:Nitrates / Q000032:analysis; D010710:Phosphates / Q000032:analysis; D010781:Photography; D012623:Seawater / Q000032:analysis; D012722:Sewage / Q000032:analysis; D013057:Spectrum Analysis; D014867:Water / Q000032:analysis*; D014871:Water Microbiology; D014887:Weather
D006812:Humic Substances; D009566:Nitrates; D010710:Phosphates; D012722:Sewage; D014867:Water; D002734:Chlorophyll; D002338:Carotenoids