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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Huixiu Wu Cuiling Jiang Zhong Du |
| Copyright Year | 2010 |
| Abstract | Data from 3 monitoring stations in the upper reaches of the Daling River from 1985 to 2007 reveal an obvious increasing trend in the concentrations of NH4-N, NO2-N and NO3-N. The average annual concentrations of NH4-N, NO2-N and NO3-N increased from 0.69 mgL-1,0.006mgL-1,1.14 mgL-1 in 1985 to 3.01 mgL-1,0.210 mgL-1,6.57 mgL-1 in 2007. The highest concentrations of NH4-N, NO2-N and NO3-N during past 20 years were found in the Habaqi station, being 18.00mgL-1,3.230mgL-1,16.30mgL-1. The highest concentrations of NH4-N, NO2-N and NO3-N of each station occurred mostly in dry season. With the increasing flow in the upper reaches of the Daling River, the concentrations of NH4-N, NO2-N and NO3-N decreased except NH4-N and NO2-N increased in the Chaoyang station. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 229601 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424447121 |
| ISSN | 21517622 |
| DOI | 10.1109/ICBBE.2010.5515094 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-06-18 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Chaos Hydrology Cities and towns Educational institutions Environmental factors Rivers Nitrogen Environmental economics Monitoring Water resources |
| Content Type | Text |
| Resource Type | Article |
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