Evidence map›Paper›PMID 31302534›Full record

ArticleThe Science of the total environment2019

Aspects of uncertainty in total reactive nitrogen deposition estimates for North American critical load applications.

John T Walker, Michael D Bell, Donna Schwede, Amanda Cole, Greg Beachley, Gary Lear, Zhiyong Wu

Abstract read
In one paragraph

Article in The Science of the total environment, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

John T WalkerU.S. EPA, Office of Research and Development, Durham, NC, United States of America. Electronic address: walker.johnt@epa.gov.
Michael D BellNational Park Service, Air Resources Division, Lakewood, CO, United States of America.
Donna SchwedeU.S. EPA, Office of Research and Development, Durham, NC, United States of America.
Amanda ColeEnvironment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada.
Greg BeachleyU.S. EPA, Office of Air Programs, Washington, DC, United States of America.
Gary LearU.S. EPA, Office of Air Programs, Washington, DC, United States of America.
Zhiyong WuU.S. EPA, Office of Research and Development, Durham, NC, United States of America.

Funding

Intramural EPA EPA999999
6 · The paper itself

Abstract

Determination of the amount of reactive nitrogen (Nr) deposition in excess of the ecosystem critical load (CL) requires an estimate of total deposition. Because the CL exceedance is used to inform policy decisions, uncertainty in both the CL and the exceedance itself must be understood. In this paper we review the state of the science with respect to the sources of uncertainty in total Nr deposition budgets used for CL assessments in North America and put forth recommendations for research and monitoring to improve deposition measurements and models. In the absence of methods to rigorously quantify uncertainty in total Nr deposition, a simple weighted deposition uncertainty metric (WDUM) is introduced as a tool for scientists and decision makers to use in assessing CL exceedances. Maps of the WDUM applied to National Atmospheric Deposition Program (NADP) Total Deposition (TDep) estimates show greater uncertainty in areas of the U.S. where dry deposition makes a larger contribution to the deposition budget, particularly ammonia (NH

Indexed as

Critical loadsDeposition modelingDry depositionNitrogen depositionWet deposition

Identifiers

PMID31302534
PMCPMC7724635

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.