Table 3 Statistical summary table of predictions for the six water quality variables, along with summaries of predictions per lake, and per year. Lake area was from LAGOS-US LOCUS22.
From: LAGOS-US LANDSAT: Remotely sensed water quality estimates for U.S. lakes over 4 ha from 1984 to 2020
Variable | Units | min | q5 | q25 | q50 | q75 | q95 | max |
|---|---|---|---|---|---|---|---|---|
Water quality variables (37,251,456 predictions) | ||||||||
CHL | µg/L | 0.04 | 3.1 | 5.7 | 8.7 | 14.0 | 29.1 | 299.9 |
True color | PCU | 0.1 | 8.7 | 16.4 | 23.9 | 32.4 | 44.7 | 88.1 |
DOC | mg/L | 0.5 | 2.8 | 4.3 | 5.7 | 7.1 | 9.7 | 67.7 |
Turbidity | NTU | 0.05 | 1.2 | 2.4 | 4.4 | 9.3 | 21.2 | 197.8 |
Secchi depth | meters | 0.02 | 0.7 | 1.2 | 1.9 | 2.7 | 4.3 | 59.3 |
TSS | mg/L | 0.5 | 4.8 | 9.1 | 14.2 | 24.3 | 51.6 | 675.9 |
Lake-related (136,877 lakes) | ||||||||
Predictions per lake | N | 1 | 32 | 160 | 255 | 361 | 568 | 1377 |
Lake–years with predictions* | N | 1 | 13 | 32 | 37 | 37 | 37 | 37 |
Lake water area | ha | 4 | 4 | 6 | 9 | 19 | 116 | 338,950 |
Year-related (37 years) | ||||||||
Number of lakes per year | N | 108,158 | 110,454 | 117,689 | 121,821 | 123,719 | 125,928 | 126,177 |
Number of predictions per year | N | 534,405 | 604,508 | 938,970 | 1,021,304 | 1,066,120 | 1,317,022 | 1,455,641 |
