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Attention Score in Context
| Title |
Geochemical and Hydrologic Factors Controlling Subsurface Transport of Poly- and Perfluoroalkyl Substances, Cape Cod, Massachusetts
|
|---|---|
| Published in |
Environmental Science & Technology, April 2017
|
| DOI | 10.1021/acs.est.6b05573 |
| Pubmed ID | |
| Authors |
Andrea K. Weber, Larry B. Barber, Denis R. LeBlanc, Elsie M. Sunderland, Chad D. Vecitis |
| Abstract |
Growing evidence that certain poly- and perfluoroalkyl substances (PFASs) are associated with negative human health effects prompted the U.S. Environmental Protection Agency to issue lifetime drinking water health advisories for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in 2016. Given that groundwater is a major source of drinking water, the main objective of this work was to investigate geochemical and hydrological processes governing the subsurface transport of PFASs at a former fire training area (FTA) on Cape Cod, Massachusetts, where PFAS-containing aqueous film-forming foams were used historically. A total of 148 groundwater samples and 4 sediment cores were collected along a 1,200-m-long downgradient transect originating near the FTA, and analyzed for PFAS content. The results indicate that unsaturated zones at the FTA and at hydraulically downgradient former domestic wastewater effluent infiltration beds both act as continuous PFAS sources to the groundwater despite 18 and 20 years of inactivity, respectively. Historically different PFAS sources are evident from contrasting PFAS composition near the water table below the FTA and wastewater-infiltration beds. Results from total oxidizable precursor assays conducted using groundwater samples collected throughout the plume suggest that some perfluoroalkyl acid precursors at this site are transporting with perfluoroalkyl acids. |
Mendeley readers
The data shown below were compiled from readership statistics for 222 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 222 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 48 | 22% |
| Student > Master | 31 | 14% |
| Researcher | 29 | 13% |
| Other | 18 | 8% |
| Student > Doctoral Student | 9 | 4% |
| Other | 22 | 10% |
| Unknown | 65 | 29% |
| Readers by discipline | Count | As % |
|---|---|---|
| Environmental Science | 60 | 27% |
| Engineering | 27 | 12% |
| Earth and Planetary Sciences | 16 | 7% |
| Chemistry | 14 | 6% |
| Agricultural and Biological Sciences | 8 | 4% |
| Other | 17 | 8% |
| Unknown | 80 | 36% |
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 01 June 2018.
All research outputs
#8,537,346
of 25,382,440 outputs
Outputs from Environmental Science & Technology
#9,527
of 20,680 outputs
Outputs of similar age
#127,705
of 324,628 outputs
Outputs of similar age from Environmental Science & Technology
#159
of 257 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 43rd percentile – i.e., 43% of other outputs scored the same or lower than it.
So far Altmetric has tracked 20,680 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 17.8. This one is in the 29th percentile – i.e., 29% 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 324,628 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 52% of its contemporaries.
We're also able to compare this research output to 257 others from the same source and published within six weeks on either side of this one. This one is in the 33rd percentile – i.e., 33% of its contemporaries scored the same or lower than it.