Evidence map›Paper›PMID 33412356›Full record

ArticleChemosphere2021

Variations in Black Carbon concentration and sources during COVID-19 lockdown in Delhi.

Vikas Goel, Naba Hazarika, Mayank Kumar, Vikram Singh, Navaneeth M Thamban, Sachchida Nand Tripathi

Abstract read
In one paragraph

Article in Chemosphere, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Spatiotemporal Analysis of Black Carbon Sources: Case of Santiago, Chile, under SARS-CoV-2 Lockdowns.International journal of environmental research and public health · 2022
    Article
  5. Lockdown Amid COVID-19 Ascendancy over Ambient Particulate Matter Pollution Anomaly.International journal of environmental research and public health · 2022
    Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Machine Learning on the COVID-19 Pandemic, Human Mobility and Air Quality: A Review.IEEE access : practical innovations, open solutions · 2021
    Article
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

6 authors.

Vikas GoelDepartment of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India.
Naba HazarikaDepartment of Applied Mechanics, Indian Institute of Technology Delhi, New Delhi, 110016, India.
Mayank KumarDepartment of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India. Electronic address: kmayank@mech.iitd.ac.in.
Vikram SinghDepartment of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India. Electronic address: vs225@chemical.iitd.ac.in.
Navaneeth M ThambanDepartment of Civil Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh, 208016, India.
Sachchida Nand TripathiDepartment of Civil Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh, 208016, India. Electronic address: snt@iitk.ac.in.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A nationwide lockdown was imposed in India due to COVID-19 pandemic in five phases from 25th March to May 31, 2020. The lockdown restricted major anthropogenic activities, primarily vehicular and industrial, thereby reducing the particulate matter concentration. This work investigates the variation in Black Carbon (BC) concentration and its sources (primarily Fossil Fuel (ff) burning and Biomass Burning (bb)) over Delhi from 18th February to July 31, 2020, covering one month of pre-lockdown phase, all the lockdown phases, and two months of successive lockdown relaxations. The daily average BC concentration varied from 0.22 to 16.92 μg/m

Indexed as

Air PollutantsCOVID-19AerosolsCarbonCommunicable Disease ControlEnvironmental MonitoringHumansIndiaPandemicsParticulate MatterSARS-CoV-2AerosolsAir PollutantsCarbonParticulate MatterAbsorption angstrom exponentAethalometerBlack carbonCOVID-19LockdownSource apportionment

Identifiers

PMID33412356
PMCPMC8021479

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.