Methods of Ecosystem Analysis - Water
 

Stream Chemistry Data

Data presented on this page:

[Ca++]
[Mg++]
[Na+]


Calcium Concentration in Stream Samples
  Sample Site    
Date #1 #2 #3 #4 #5 #6 #7 #8 Avg StdDev
2/7 2.334   2.268 2.240 2.255       2.274 0.041
2/13 2.478   2.446 2.484 2.478 2.412 2.311 2.176 2.398 0.115
2/21 2.540 2.481 2.477 2.561 2.432 2.412 2.514 2.487 2.488 0.050
2/27 2.541 2.607 2.505 2.499 2.596 2.438 2.514 2.408 2.513 0.069
3/5 2.785 2.926 2.859 2.875 2.941 3.035 2.934 2.856 2.901 0.075
Avg 2/21-3/5 2.622 2.671 2.614 2.645 2.656 2.628 2.654 2.584    
StdDev 2/21-3/5 0.141 0.230 0.213 0.201 0.260 0.352 0.242 0.239    
Avg all dates 2.535 2.671 2.511 2.532 2.540 2.574 2.568 2.482    
StdDev all dates 0.163 0.230 0.215 0.227 0.255 0.307 0.262 0.283    
Average for all streams: 2.55
Std dev. for all streams: 0.22

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Magnesium Concentration in Stream Samples
  Sample Site    
Date #1 #2 #3 #4 #5 #6 #7 #8 Avg StdDev
2/7 1.040   1.034 1.034 1.055       1.041 0.010
2/13 1.077   1.069 1.097 1.132 1.136 1.124 1.097 1.105 0.027
2/21 1.063 1.036 1.032 1.070 1.033 1.024 1.124 1.197 1.072 0.060
2/27 1.071 1.106 1.064 1.171 1.121 1.152 1.165 1.114 1.120 0.040
3/5 1.214 1.227 1.208 1.218 1.270 1.361 1.352 1.346 1.274 0.068
Avg 2/21-3/5 1.116 1.123 1.101 1.153 1.141 1.179 1.214 1.219    
StdDev 2/21-3/5 0.085 0.097 0.093 0.076 0.119 0.170 0.121 0.118    
Avg all dates 1.093 1.123 1.081 1.118 1.122 1.168 1.191 1.189    
StdDev all dates 0.069 0.097 0.073 0.075 0.093 0.141 0.109 0.114    
Average for all streams: 1.13
Std dev. for all streams: 0.09

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Sodium Concentration in Stream Samples
  Sample Site  
Date #1 #2 #3 #4 #5 #6 #7 #8 Avg
2/7 0.941   2.001 2.820 9.683       3.861
2/13 1.378   1.436 1.336 1.370 1.178 1.224 1.241 1.309
Avg 1.159   1.718 2.078 5.527 1.178 1.224 1.241  
Average for all streams: 2.24
Std dev. for all streams: 2.52

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