Investigating the Effect of Lockdown During COVID-19 on Land Surface Temperature: Study of Dehradun City, India

Maithani, Sandeep; Nautiyal, Garima; Sharma, Archana

doi:10.1007/s12524-020-01157-w

Cited by 47 publications

(28 citation statements)

References 51 publications

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“…Hence, to prevent the outbreak of such a type, it is essential to understand the importance of forests and encourage afforestation worldwide [ 44 ]. Maithani et al [ 117 ] reported an increase in hotspots and a reduction in thermal comfort index in the Indian city of Dehradun in their examination of land surface temperature during post the COVID-19 lockdown.…”

Section: Thematic Discussionmentioning

confidence: 99%

“…For instance, Ahmadi et al [ 68 ] identified that disease spread is higher in humid areas, and is slow in arid regions of Iran embarking the need for experimental and observational studies to assess the effect of world climate in the long-run for anticipating pandemics. The use of urban thermal variance index can be applied to different cities of India for assessing the thermal comfort level post-lockdown [ 117 ]. The varying climatic conditions from country-to-country need to be studied in addition to host behavior of the disease for a better understanding of the prevalence of novel coronavirus.…”

Section: Future Research Agendamentioning

confidence: 99%

See 1 more Smart Citation

COVID-19 and environmental concerns: A rapid review

Sharma

Tiwari

Jain

et al. 2021

Renewable and Sustainable Energy Reviews

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COVID-19 has slowed global economic growth and consequently impacted the environment as well. Parallelly, the environment also influences the transmission of this novel coronavirus through various factors. Every nation deals with varied population density and size; air quality and pollutants; the nature of land and water, which significantly impact the transmission of coronavirus. The WHO (Ziaeepour et al., 2008) [1] has recommended rapid reviews to provide timely evidence to the policymakers to respond to the emergency. The present study follows a rapid review along with a brief bibliometric analysis of 328 research papers, which synthesizes the evidence regarding the environmental concerns of COVID-19. The novel contribution of this rapid review is threefold. One, we take stock of the diverse findings as regards the transmission of the novel coronavirus in different types of environments for providing conclusive directions to the ongoing debate regarding the transmission of the virus. Two, our findings provide topical insights as well as methodological guidance for future researchers in the field. Three, we inform the policymakers on the efficacy of environmental measures for controlling the spread of COVID-19.

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Section: Thematic Discussionmentioning

confidence: 99%

Section: Future Research Agendamentioning

confidence: 99%

COVID-19 and environmental concerns: A rapid review

Sharma

Tiwari

Jain

et al. 2021

Renewable and Sustainable Energy Reviews

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show abstract

“…Except for the LST reductions in the above-mentioned countries, the inconsistent LST patterns and changes are attributed to the seasonal shift of the Intertropical Convergence Zone caused by the location of the sun in the remaining investigated countries located in tropical, temperate, or sub-polar climate zones. Few studies have examined the relationship between LST and air pollution ( Maithani et al, 2020 ; Song et al, 2018 ; Zheng et al, 2016 ; Feizizadeh and Blaschke, 2013 ); therefore, we performed this analysis as part of this study. The results showed that air pollution improvement has certain impacts on LST, which was evidenced in some countries by a declining LST trend throughout the study period, and in a few countries, it reduced immediately after the lockdown period began.…”

Section: Discussionmentioning

confidence: 99%

“…The results showed that air pollution improvement has certain impacts on LST, which was evidenced in some countries by a declining LST trend throughout the study period, and in a few countries, it reduced immediately after the lockdown period began. A similar approach was utilized in a study conducted in India that highlighted the effect of the lockdown on the spatiotemporal LST patterns ( Maithani et al, 2020 ). That study found that pollution levels were considerably lower during the lockdown period due to restricted vehicular movement and the absence of commercial and industrial activities, which caused a reduction in the greenhouse effect, allowing long-wave radiation to escape; therefore, the mean LSTs were lower in 2020 than in the previous years ( Maithani et al, 2020 ).…”

Section: Discussionmentioning

confidence: 99%

Global assessment of tropospheric and ground air pollutants and its correlation with COVID-19

Naqvi

Mutreja²,

Hashim

et al. 2021

Atmospheric Pollution Research

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The declaration of COVID-19 pandemic by the WHO initiated a series of lockdowns globally that varied in stringency and duration; however, the spatiotemporal effects of these lockdowns on air quality remain understudied. This study evaluates the global impact of lockdowns on air pollutants using tropospheric and ground-level indicators over a five-month period. Moreover, the relationship between air pollution and COVID-19 cases and mortalities was examined. Changes in the global tropospheric (NO 2 , aerosols, and O 3 ) and ground-level (PM 2.5 , PM 10 , NO 2 , and O 3 ) pollutants were observed, and the maximum air quality improvement was observed immediately after lockdown. Except for a few countries, a decline in air pollutants correlated with a reduction in Land Surface Temperature (LST). Notably, regions with higher tropospheric NO 2 and aerosol concentrations were also COVID-19 hotspots. Our analysis showed moderate positive correlation for NO 2 with COVID-19 cases (R 2 = 0.33; r = 0.57, P = 0.006) and mortalities (R 2 = 0.40; r = 0.63, P = 0.015), while O 3 showed a weak-moderate positive correlation with COVID-19 cases (R 2 = 0.22; r = 0.47, P = 0.003) and mortalities (R 2 = 0.12; r = 0.35, P = 0.012). However, PM 2.5 , and PM 10 showed no significant correlation with either COVID-19 cases or mortality. This study reveals that humans living under adverse air pollution conditions are at higher risk of COVID-19 infection and mortality.

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“…The impact of COVID-19 induced lockdown on the changes of air quality and land surface temperature has been already discussed in the literature. Reference [22] reported an overall decrease in LST values in Dehradun City, India, during the post-COVID lockdown time. Another research conducted in Wuhan City, China, by [23] reveals that during the COVID-19, the mean LST was lower than the mean LST of the last three years on the same dates.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Land Surface Temperature Before, During and After the Covid‑19 Lockdown Using Landsat Imagery: A Case Study of Casablanca City, Morocco

Taoufik

Laghlimi

Fekri

2021

GaEE

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Land Surface Temperature (LST) is an important variable within global climate change. With the appearance of remote sensing techniques and advanced GIS software, it is now possible to estimate LST. In this study, the effect of lockdown during COVID-19 on the LST was assessed using Landsat 8 Imagery. LST dynamic was investigated for three different periods: Before, during and after the COVID-19 lockdown. The study was conducted in Casablanca City. The results showed that during the emergence of COVID-19 with lockdown policy applied, the LST decreases remarkably compared to the previous 4-years’ average LST. After the easing of restrictions, the LST increased to exceed the previous 4-year mean LST. Furthermore, throughout all studied periods, the LST recorded its higher values in industrial zones and areas with high urban density and urban transportation, which indicates the conspicuous impact of anthropogenic activities on the LST variation. These findings indicate an ability to assess the feasibility of planned lockdowns intended as a potential preventive mechanism to reduce LST peaks and the loss of air quality in metropolitan environments in the future.

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Investigating the Effect of Lockdown During COVID-19 on Land Surface Temperature: Study of Dehradun City, India

Cited by 47 publications

References 51 publications

COVID-19 and environmental concerns: A rapid review

COVID-19 and environmental concerns: A rapid review

Global assessment of tropospheric and ground air pollutants and its correlation with COVID-19

Comparison of Land Surface Temperature Before, During and After the Covid‑19 Lockdown Using Landsat Imagery: A Case Study of Casablanca City, Morocco

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