Open-File Report 99-219 contents page

 

Table 16. Seasonal (April through October) median values for submersed aquatic vegetation habitat criteria parameters at mesohaline Potomac Estuary monitoring station MLE2.2 for the period 1983 through 1997
YEAR	SECCHI (m)	TSS (mg/l)	CHLA (mg/l)	DIP (mg/l)	DIN (mg/l)
1984	0.76	4.0	11.91	0.0250	0.1520
1985	1.20	10.0	10.38	0.0200	0.0800
1986	1.10	8.0	7.63	0.0100	0.1160
1987	1.10	7.0	14.20	0.0070	0.0800
1988	1.00	8.0	14.50	0.0080	0.1080
1989	1.20	13.0	22.33	0.0100	0.1560
1990	1.05	13.0	13.76	0.0060	0.1560
1991	1.15	13.0	6.95	0.0040	0.0640
1992	1.40	16.5	10.77	0.0070	0.1250
1993	1.25	11.5	8.26	0.0130	0.0490
1994	1.30	9.5	10.89	0.0075	0.0560
1995	1.60	14.5	8.75	0.0080	0.0830
1996	1.10	15.0	16.22	0.0090	0.3820
1997	1.30	19.3	12.00	0.0080	0.1735

 

Table 17. Seasonal (April through October) median values for submersed aquatic vegetation habitat criteria parameters at mesohaline Potomac Estuary monitoring station MLE2.3 for the period 1983 through 1997 (n.d. = no data)
YEAR	SECCHI (m)	TSS (mg/l)	CHLA (mg/l)	DIP (mg/l)	DIN (mg/l)
1983	n.d.	6.0	2.62	0.0100	0.4680
1984	2.15	4.0	7.68	0.0070	0.0760
1985	1.75	4.8	4.19	0.0028	0.0607
1986	2.20	4.4	7.48	0.0021	0.0892
1987	1.90	4.3	9.42	0.0033	0.0526
1988	1.60	7.6	13.91	0.0021	0.0336
1989	1.60	5.4	12.46	0.0032	0.1175
1990	2.00	5.2	9.72	0.0042	0.0564
1991	1.80	4.3	7.14	0.0028	0.0252
1992	2.00	4.4	5.79	0.0023	0.0328
1993	1.40	4.8	8.35	0.0028	0.0261
1994	1.40	5.9	9.12	0.0031	0.0316
1995	1.50	5.0	6.43	0.0024	0.0318
1996	1.40	4.8	13.61	0.0029	0.1510
1997	1.60	6.7	10.70	0.0028	0.0175

Table 18

Open-File Report 99-219 contents page