Geoscience Reference
In-Depth Information
TABLE 4.23
Sediment PO
4
3
−
Release Rate (mg PO
4
3
−
m
−
2
day
−
1
)
Min.
Max.
Avg.
Location
Reference
As Cited in
Explanation
1.7
St. Leonard's Creek,
Patuxent River
Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
May 1985
6.6
St. Leonard's Creek,
Patuxent River
Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
June 1985
0.92
St. Leonard's Creek,
Patuxent River
Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
August 1985
4.15
St. Leonard's Creek,
Patuxent River
Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
October 1985
0
Buena Vista, Patuxent
River Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
May 1985
12.3
Buena Vista, Patuxent
River Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
June 1985
1.78
Buena Vista, Patuxent
River Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
August 1985
14.3
Buena Vista, Patuxent
River Estuary, U.S.A.
Boynton
et al., 1990
Lung
80
October 1985
2
Isle of Wight Bay,
Maryland, U.S.A.
Lung and
Hwang, 1994
Lung and
Hwang
81
4
Turnville Creek/St.
Martin River,
Maryland, U.S.A.
Lung and
Hwang,
1994
Lung and
Hwang
81
8
Bishopsville Prong,
Maryland, U.S.A.
Lung and
Hwang,
1994
Lung and
Hwang
81
8
Assawoman Bay,
Maryland, U.S.A.
Lung and
Hwang,
1994
Lung and
Hwang
81
8
Upper Assawoman
Bay, Maryland,
U.S.A.
Lung and
Hwang,
1994
Lung and
Hwang
81
0
54.312
14.88
Cape Lookout Bight,
North Carolina,
U.S.A.
Martens,
1993
Martens
98
the system through adsorption and subsequent particulate settling. Two processes
define dissolved silica release from sediment. The first process is a first-order silica
release process that is coupled with aerobic organic matter decay in the sediment.
The second is a zero-order release process that is triggered under anaerobic con-
ditions. The processes simulated for particulate biogenic silica include dissolution,
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