A total of 23 conventional indicators were tested. Among them, physiochemical
indicators tested on-site include temperature, pH, dissolved oxygen, conductivity,
and macroscopic objects; wet chemistry indicators include permanganate index,
total hardness, TDS, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen, sulfate,
Fig. 5.4 Elevation measurement site
Fig. 5.5 Layout of elevation measuring points
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5 Application Cases