NO2, a serious pollutant
in high concentrations, is formed by the bacterial reduction of
nitrate to nitrite. This process is called denitrification. Nitrate
can spontaneoulsy convert to nitrite in water during anoxic periods.
Plants can also convert nitrate to nitrite by enzymes, which are
known as nitrate reductase. Then nitrite is converted to
nitrogen gas.
|
Depth (in meters) |
|
|
|
|
June 6, 1998 |
0.038 |
0.025 |
0.020 |
|
June 13, 1998 |
0.026 |
0.024 |
0.022 |
|
June 20, 1998 |
0.031 |
0.030 |
0.029 |
|
June 26, 1998 |
0.075 |
0.066 |
0.069 |
|
July 2, 1998 |
0.086 |
0.090 |
0.089 |
|
July 10, 1998 |
0.059 |
0.060 |
0.062 |
|
July 21, 1998 |
0.075 |
0.076 |
0.073 |
|
July 28, 1998 |
0.075 |
0.082 |
0.076 |
|
August 8, 1998 |
0.042 |
0.045 |
N / A |
|
August 25, 1998 |
0.019 |
0.017 |
0.025 |
|
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