Sci-Bytes> Journals Ranked by Impact: Water Resources

Week of November 21, 2010

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Rank 2009 Impact Factor Impact 2005-09 Impact 1981-2009
1 Water Research
Water Research
Water Resources Research
2 Hydrology & Earth System Sciences
Vadose Zone Journal
Regulated Rivers – Research & Management
3 Water Resources Research
Journal of Hydrology
Water Research
4 Journal of Hydrology
Advances in Water Resources
Clays & Clay Minerals
5 Advances in Water Resources
Water Resources Research
Journal of Irrigation & Drainage Engineering
6 Desalination
Hydrology & Earth System Sciences
Journal of Hydrology
7 Agricultural Water Management
Journal of Contaminant Hydrology
Journal of Contaminant Hydrology
8 Water Resources Management
River Research and Applications
Water, Air, and Soil Pollution
9 Journal of Contaminant Hydrology
Environmental Toxicology
Ground Water
10 Vadose Zone Journal
Acta Hydrochimica et Hydrobiologica
Hydrological Processes

The above table compares the citation impact of journals in a given field as measured over three different time spans. The left-hand column ranks journals based on their 2009 "impact factor," as enumerated in the current edition of Journal Citations Report®.

The 2009 impact factor is calculated by taking the number of all current citations to source items published in a journal over the previous two years and dividing by the number of articles published in the journal during the same period--in other words, a ratio between citations and recent citable items published. The rankings in the next two columns show impact over longer time spans, based on figures from Journal Performance Indicators.

In these columns, total citations to a journal's published papers are divided by the total number of papers that the journal published, producing a citations-per-paper impact score over a five-year period (middle column) and a 29-year period (right-hand column). SOURCE: Journal Citations Report and Journal Performance Indicators.


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