| Abstract: | Accurate data for the concentration of dissolved oxygen in surface and ground waters are essential for documenting changes in environmental water resources that result from natural phenomena and human activities. Dissolved oxygen is necessary in aquatic systems for the survival and growth of many aquatic organisms and is used as an indicator of the health of surface-water bodies. This section of the National Field Manual (NFM) includes U.S. Geological Survey (USGS) guidance and protocols for four methods to determine dissolved-oxygen concentrations: the amperometric, luminescent-sensor, spectrophotometric, and iodometric (Winkler) methods. |
| Genre: | USGS Numbered Series |
| ProdID: | 80045 |
| Citation Author: | Revised by Lewis, Michael Edward |
| Citation Contributing Office: | Geological Survey (U.S.) |
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| Citation Edition: | Version 2.1 |
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| Citation Language: | ENGLISH |
| Citation Larger Work Title: | National Field Manual for the Collection of Water-Quality Data. U.S. Geological Survey Techniques of Water-Resources Investigations, Book 9 |
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| Citation Month: | Jun |
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| Citation Phsyical Description: | 48 p. |
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| Citation Publisher: | Geological Survey (U.S.) |
| Citation Series: | Techniques of Water-Resource Investigation |
| Citation Series Code: | TWRI |
| Citation Series Number: | 09-A6.2 |
| Citation Search Results Text: | Chapter A6. Section 6.2. Dissolved Oxygen; 2006; TWRI; 09-A6.2; National Field Manual for the Collection of Water-Quality Data. U.S. Geological Survey Techniques of Water-Resources Investigations, Book 9; Revised by Lewis, Michael Edward |
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| Citation Year: | 2006 |
| Type: | citation/reference |
| Text: | Chapter A6. Section 6.2. Dissolved Oxygen; 2006; TWRI; 09-A6.2; National Field Manual for the Collection of Water-Quality Data. U.S. Geological Survey Techniques of Water-Resources Investigations, Book 9; Revised by Lewis, Michael Edward |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (INDEX PAGE): | http://water.usgs.gov/owq/FieldManual/Chapter6/6.2_contents.html |
| Date Other: | Wed, 20 Jun 2007 00:00 -0500 |
| Publisher: | Geological Survey (U.S.) |