About: Significant decrease of lightning activities during COVID-19 lockdown period over Kolkata megacity in India

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About: Significant decrease of lightning activities during COVID-19 lockdown period over Kolkata megacity in India Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Significant decrease of lightning activities during COVID-19 lockdown period over Kolkata megacity in India
Creator	Chakrabortty, Rabin Chandra Pal, Subodh Chowdhuri, Indrajit Ghosh, Manoranjan Pal, Chandra Roy, Paramita Saha, Asish
Source	Elsevier; Medline; PMC
abstract	Abstract The outbreak of COVID-19 has now created the largest pandemic and the World health organization (WHO) has declared social distancing as the key precaution to confront such type of infections. Most of the countries have taken protective measures by the nationwide lockdown. The purpose of this study is to understand the effect of lockdown on air pollutants and to analyze pre-monsoon (April and May) cloud-to-ground and inter-cloud lightning activity in relation to air pollutants i.e. suspended Particulate matter (PM10), Nitrogen dioxides (NO2) Sulfur dioxide (SO2), Ozone (O3) and Aerosol concentration (AC) in a polluted tropical urban megacities like Kolkata. After the strict lockdown the pollutants rate has reduced by more than 40% from the pre-lockdown period in the Kolkata megacity. So, decreases of PM10, NO2, SO2, O3 and AC have a greater effect on cloud lightning flashes in the pre-monsoon period. In the previous year (2019), the pre-monsoon average result shows a strong positive relation between the lightning and air pollutants; PM10 (R2 = 0.63), NO2 (R2 = 0.63), SO2 (R2 = 0.76), O3 (R2 = 0.68) and AC (R2 = 0.83). The association was relatively low during the lock-down period (pre-monsoon 2020) and the R2 values were 0.62, 0.60, 0.71, 0.64 and 0.80 respectively. Another thing is that the pre-monsoon (2020) lightning strikes decreased by 49.16% compared to the average of previous years (2010 to 2019). The overall study shows that the reduction of surface pollution in the thunderstorm environment is strongly related to the reduction of lightning activity where PM10 and AC are the key pollutants in the Kolkata megacity.
has issue date	2020-07-28(xsd:dateTime)
bibo:doi	10.1016/j.scitotenv.2020.141321
bibo:pmid	32771791
has license	els-covid
sha1sum (hex)	c496b2a648119bf5c3518c3c1abb601595c0f0e3
schema:url	https://doi.org/10.1016/j.scitotenv.2020.141321
resource representing a document's title	Significant decrease of lightning activities during COVID-19 lockdown period over Kolkata megacity in India
has PubMed Central identifier	PMC7385625
has PubMed identifier	32771791
schema:publication	Sci Total Environ
resource representing a document's body	covid:c496b2a648119bf5c3518c3c1abb601595c0f0e3#body_text
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