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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Isotopic constraints on biogeochemical cycling of copper in the ocean
|
|---|---|
| Published in |
Nature Communications, December 2014
|
| DOI | 10.1038/ncomms6663 |
| Pubmed ID | |
| Authors |
Shotaro Takano, Masaharu Tanimizu, Takafumi Hirata, Yoshiki Sohrin |
| Abstract |
Trace elements and their isotopes are being actively studied as powerful tracers in the modern ocean and as proxies for the palaeocean. Although distributions and fractionations have been reported for stable isotopes of dissolved Fe, Cu, Zn and Cd in the ocean, the data remain limited and only preliminary explanations have been given. Copper is of great interest because it is either essential or toxic to organisms and because its distribution reflects both biological recycling and scavenging. Here we present new isotopic composition data for dissolved Cu (δ(65)Cu) in seawater and rainwater. The Cu isotopic composition in surface seawater can be explained by the mixing of rain, river and deep seawater. In deep seawater, δ(65)Cu becomes heavier with oceanic circulation because of preferential scavenging of the lighter isotope ((63)Cu). In addition, we constrain the marine biogeochemical cycling of Cu using a new box model based on Cu concentrations and δ(65)Cu. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Japan | 2 | 40% |
| Unknown | 3 | 60% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 4 | 80% |
| Science communicators (journalists, bloggers, editors) | 1 | 20% |
Mendeley readers
The data shown below were compiled from readership statistics for 166 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Indonesia | 1 | <1% |
| Japan | 1 | <1% |
| France | 1 | <1% |
| Canada | 1 | <1% |
| Unknown | 162 | 98% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 37 | 22% |
| Researcher | 32 | 19% |
| Student > Master | 20 | 12% |
| Student > Bachelor | 9 | 5% |
| Professor | 8 | 5% |
| Other | 24 | 14% |
| Unknown | 36 | 22% |
| Readers by discipline | Count | As % |
|---|---|---|
| Earth and Planetary Sciences | 66 | 40% |
| Environmental Science | 22 | 13% |
| Agricultural and Biological Sciences | 9 | 5% |
| Chemistry | 7 | 4% |
| Biochemistry, Genetics and Molecular Biology | 2 | 1% |
| Other | 5 | 3% |
| Unknown | 55 | 33% |
Attention Score in Context
This research output has an Altmetric Attention Score of 4. 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 13 December 2014.
All research outputs
#7,116,254
of 22,772,779 outputs
Outputs from Nature Communications
#36,030
of 46,907 outputs
Outputs of similar age
#100,907
of 359,774 outputs
Outputs of similar age from Nature Communications
#480
of 701 outputs
Altmetric has tracked 22,772,779 research outputs across all sources so far. This one has received more attention than most of these and is in the 68th percentile.
So far Altmetric has tracked 46,907 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 55.6. This one is in the 23rd percentile – i.e., 23% 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 359,774 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 71% of its contemporaries.
We're also able to compare this research output to 701 others from the same source and published within six weeks on either side of this one. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.