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Iron Photoreduction and Oxidation in an Acidic Mountain Stream

Overview of attention for article published in Science, April 1988
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About this Attention Score

  • Above-average Attention Score compared to outputs of the same age (64th percentile)

Mentioned by

1 policy source


227 Dimensions

Readers on

73 Mendeley
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Iron Photoreduction and Oxidation in an Acidic Mountain Stream
Published in
Science, April 1988
DOI 10.1126/science.240.4852.637
Pubmed ID

D. M. McKnight, B. A. Kimball, K. E. Bencala


In a small mountain stream in Colorado that receives acidic mine drainage, photoreduction of ferric iron results in a well-defined increase in dissolved ferrous iron during the day. To quantify this process, an instream injection of a conservative tracer was used to measure discharge at the time that each sample was collected. Daytime production of ferrous iron by photoreduction was almost four times as great as nighttime oxidation of ferrous iron. The photoreduction process probably involves dissolved or colloidal ferric iron species and limited interaction with organic species because concentrations of organic carbon are low in this stream.

Mendeley readers

The data shown below were compiled from readership statistics for 73 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 2 3%
Sweden 1 1%
Brazil 1 1%
Unknown 69 95%

Demographic breakdown

Readers by professional status Count As %
Researcher 19 26%
Student > Ph. D. Student 14 19%
Professor 11 15%
Professor > Associate Professor 6 8%
Student > Bachelor 5 7%
Other 11 15%
Unknown 7 10%
Readers by discipline Count As %
Environmental Science 23 32%
Earth and Planetary Sciences 20 27%
Agricultural and Biological Sciences 9 12%
Chemistry 6 8%
Engineering 2 3%
Other 3 4%
Unknown 10 14%

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 16 March 2007.
All research outputs
of 13,883,245 outputs
Outputs from Science
of 63,152 outputs
Outputs of similar age
of 261,663 outputs
Outputs of similar age from Science
of 1,077 outputs
Altmetric has tracked 13,883,245 research outputs across all sources so far. This one is in the 49th percentile – i.e., 49% of other outputs scored the same or lower than it.
So far Altmetric has tracked 63,152 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 45.2. This one is in the 21st percentile – i.e., 21% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 261,663 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 64% of its contemporaries.
We're also able to compare this research output to 1,077 others from the same source and published within six weeks on either side of this one. This one is in the 25th percentile – i.e., 25% of its contemporaries scored the same or lower than it.