Hardness in aquatic systems is a
measure of calcium carbonate (CaCO3). This compound is used by
organisms as a skeletal strengthening compound.The best examples of
CaCO3 use are the coral reefs.
|
Depth (in meters) |
|
|
|
|
June 6, 1998 |
251 |
269 |
261 (at 2 meters) |
|
June 13, 1998 |
238 |
253 |
249 (at 2 meters) |
|
June 20, 1998 |
216 |
223 |
232 |
|
June 26, 1998 |
209 |
205 |
217 |
|
July 2, 1998 |
216 |
209 |
207 |
|
July 10, 1998 |
241 |
213 |
220 |
|
July 21, 1998 |
N / A |
N / A |
N / A |
|
July 28, 1998 |
220 |
202 |
198 |
|
August 8, 1998 |
230 |
230 |
N / A |
|
August 25, 1998 |
234 |
229 |
249 |
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