Table 1. Field observations legend
| Field |
Definition |
Example |
| Uniq_ID |
A unique identifier for each sample site. Uniq_ID combines NTS mapsheet and sample number |
031C761002 |
| Province |
Abbreviated form of province or territory of Canada |
ONT |
| GSC_OF |
Original GSC open file release number |
405 |
| Medium |
Type of sample material |
Lake |
| NTS_Sht |
National Topographic System (NTS); lettered quadrangle (1:250 000 or 1:50 000 scale) |
031C |
| Smpl_Nu |
Remainder of sample number: |
|
| Year of collection |
76 |
| Field crew |
1 |
| Sample sequence number |
002 |
| Rep_Stat |
Replicate status; relationship of the sample to others within the survey: |
|
| Routine sample site |
0 |
| First of a site duplicate pair |
1 |
| Latitud_NAD27 |
Latitude coordinate of sample site in decimal degrees (datum NAD 27). |
44.85675 |
| Longitud_NAD27 |
Longitude coordinate of sample site in decimal degrees (datum NAD 27). |
-76.00232 |
| Lk_Area |
Area of the water body sampled: |
|
| Pond |
Pond |
| ¼ to 1 km2 |
0.25 - 1.0 sq km |
| 1 to 5 km2 |
1 - 5 sq km |
| Greater than 5 km2 |
>5 sq km |
| Lk_Depth |
Distance in metres from the surface of the lake to the bottom |
|
| Terr_Rlf |
Relief of lake catchment basin: |
|
| Low |
Low |
| Medium |
Medium |
| High |
High |
| Contam |
Contamination, human or natural: |
|
| None |
None |
| Work |
Work |
| Camp |
Camp |
| Fuel |
Fuel |
| Gossan |
Gossan |
| Sed_colo |
Sediment sample colour; up to two colours may be selected: |
|
| Tan |
Tan |
| Yellow |
Yellow |
| Green |
Green |
| Grey |
Grey |
| Brown |
Brown |
| Black |
Black |
| Suspend |
Suspended material in water: |
|
| None |
None |
| Heavy |
Heavy |
| Light |
Light |
