|
DATA TABLE AND ATTRIBUTE
|
Number
of samples with attribute |
Percentage
of
total samples |
|
STATION
TABLE
|
| Total
Number of Samples |
7847 |
100% |
| Latitude
and Longitude |
7530 |
96.0% |
| Year |
7563 |
96.4% |
| Surface
samples |
4384 |
55.9% |
| Depth
samples |
2095 |
26.7% |
| Unknown
depth samples |
1369 |
17.4% |
| Cores |
2061 |
26.3% |
| Grabs |
5540 |
70.6% |
| Unknown
type |
247 |
3.1% |
| INORGANICS
TABLE |
| Total
Number of Samples |
6442 |
82.1% |
| Methods |
5289 |
67.4% |
| ORGANICS
TABLE |
| Total
Number of Samples |
3220 |
41% |
| Methods
(General Organics) |
1752 |
22.3% |
| Methods
(PCB-PAH's) |
1516 |
19.3% |
| TEXTURE
TABLE |
| Total
Number of Samples |
3908 |
49.8% |
| Methods
(coarse fraction) |
2646 |
33.7% |
| Methods
(fine fraction) |
2756 |
35.1% |
| OTHER |
| Samples
with both texture and either inorganics or organics |
5423 |
69.1% |
| Samples
with bioassay data |
1013 |
12.9% |
| Samples
with data other than these in this reference |
674 |
8.6% |
| Samples
with hardcopy of reference in USGS collection |
6730 |
85.8% |
|
| STATISTICS
BY GEOGRAPHIC AREA |
Number of samples
|
Percentage
of
total
samples
|
| 0
- no area assignment |
2
|
0.03%
|
| 1
- Boston Inner Harbor (see BIH, sub area of Boston Harbor) |
652
|
8.3%
|
| 2
- Northwest Boston Harbor (sub area of Boston Harbor) |
839 |
10.7% |
| 3
- Central Boston Harbor (sub area of Boston Harbor) |
238 |
3.0% |
| 4
- Southeast Boston Harbor (sub area of Boston Harbor) |
368 |
4.7% |
| 5
- Mass Bays (includes Stellwagen Basin and Bank) |
1222 |
15.6% |
| 6
- Harbor Approaches |
55 |
0.7% |
| 7
- Cape Cod Sound |
165 |
2.1% |
| 8-
GOM, deeper than 50m isobath |
2285 |
29.1% |
| 9
- Top of Georges Bank (50m or less) |
54 |
0.7% |
| 10
- Inland/Rivers |
111 |
1.4% |
| 13
- North of Cape Ann, Great Bay + Portsmouth,NH, Kittery,
ME to Kennebunk River (north to 43.5); out to 50m isobath |
579 |
7.4% |
| 14
- Portland, Casco Bay, Saco Bay, Sheepscot Bay, Kennebec River
(north of app 43.5); out to 50m isobath |
772 |
9.8% |
| 15
- Muscongus Bay, Penobscot Bay, north of 44deg; out to 50m
isobath |
505 |
6.4% |
|
