Table 1.
Estimated attainment results (current and long-term median) for the Baywide indicator (“Total”) and each of the six designated uses (DUs) as well as results from the change point analysis and modified Mann-Kendall (MK) trend analysis.
| Designated use | Index score in 2014–2016, percent |
Long-term median of index score, percent |
Change point (3-year period) |
30-year trend a, percent/yr |
10-year trend a, percent/yr |
|---|---|---|---|---|---|
| Baywide | |||||
| Total | 40.0 | 33.4 | 1994–1996 *** | 0.33 *** | −0.18 − |
| Designated uses | |||||
| MSN-DO | 75.9 | 75.6 | 1997–1999 *** | −0.66 *** | −0.11 − |
| OW-DO | 69.8 | 57.8 | 1991–1993 *** | 0.61 * | 0.69 − |
| DW-DO | 36.1 | 33.6 | 1993–1995 − | 0.10 *** | −0.13 − |
| DC-DO | 12.6 | 0.0 | 2003–2005 *** | 0.00 *** | −0.32 − |
| OW-CHLA | 2.7 | 2.1 | 1999–2001 − | 0.00 − | 0.00 − |
| SW-Clarity/SAV | 9.4 | 4.1 | 1997–1999 *** | 0.42 *** | −1.08 *** |
a
The numeric Sen slope is presented along with significance levels generated from MK test. A zero Sen slope can happen with a significant MK test if the time series has many instances of the same value.
Significance levels:
(***)
p < 0.05
(*)
0.05 < p < 0.1
(−)
and p > 0.1.