| Abstract: | Electric currents in long pipelines can contribute to corrosion effects that limit the pipe‘s lifetime. One cause of such electric currents is the geomagnetic field variations that have sources in the Earth‘s upper atmosphere. Knowledge of the general behavior of the sources allows a prediction of the occurrence times, favorable locations for the pipeline effects, and long-term projections of corrosion contributions. The source spectral characteristics, the Earth‘s conductivity profile, and a corrosion-frequency dependence limit the period range of the natural field changes that affect the pipe. The corrosion contribution by induced currents from geomagnetic sources should be evaluated for pipelines that are located at high and at equatorial latitudes. At midlatitude locations, the times of these natural current maxima should be avoided for the necessary accurate monitoring of the pipe-to-soil potential. ?? 1986 D. Reidel Publishing Company. |
| Genre: | Article |
| ProdID: | 70015601 |
| Citation Author: | Campbell, W. H. |
| Citation Contributing Office: | |
| Citation Datum: | |
| Citation Day: | |
| Citation Edition: | |
| Citation Editor: | |
| Citation End Page: | 259 |
| Citation Issue: | 3 |
| Citation Keywords: | |
| Citation Language: | English |
| Citation Larger Work Title: | Surveys in Geophysics |
| Citation LatN: | |
| Citation LatS: | |
| Citation LonE: | |
| Citation LonW: | |
| Citation Month: | |
| Citation No Pagination: | |
| Citation Number Of Pages: | 21 |
| Citation Online Only Flag: | |
| Citation Phsyical Description: | |
| Citation Projection: | |
| Citation Public Comments: | |
| Citation Publisher: | |
| Citation Series: | |
| Citation Series Code: | |
| Citation Series Number: | |
| Citation Search Results Text: | An interpretation of induced electric currents in long pipelines caused by natural geomagnetic sources of the upper atmosphere; 1986; Article; Journal; Surveys in Geophysics; Campbell, W. H. |
| Citation Start Page: | 239 |
| Citation Volume: | 8 |
| Citation Year: | 1986 |
| Type: | citation/reference |
| Text: | An interpretation of induced electric currents in long pipelines caused by natural geomagnetic sources of the upper atmosphere; 1986; Article; Journal; Surveys in Geophysics; Campbell, W. H. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1007/BF01904061 |
| Date Other: | Wed, 1 Jan 1986 00:00 -0600 |
| Publisher: | |
