Hello, we are
SMILE STONES
And Today we're telling a story about Air qu|
during COVID-19

About us

The COVID-19 outbreak , resulting social distancing and other restrictions have led to serious changes globally. Our challenge is to tell a visual story about the impact of pandemic using Earth Observation data and other complementary information.

  

"IN AMIDST OF DARKNESS, LIGHT PERSISTS"

- MAHATMA GANDHI

  

SMILESTONES is a website through which we would like to tell our story , which focuses on the lessons from the era of COVID-19. With the use of data provided by the space agencies, we can uplift the quality of life. We have done some case studies which shows how people and even environment could survive and brought best outcome.

Videos

Research

  

Using the plethora of resources provided to us by the dashboard, we choose a few topics to center our story and research around. Now let's see a brief overview of what we found

  

Mobility Research

  
Low, no-restrictions High restrictions
Nicaragua Canada
Croatia India
Taiwan Argentina
Finland Brazil
Sweden
Belarus
  

There was a sudden spike in the mobility regarding grocery in countries with high restrictions. Contradictorily, these countries saw a high covid cases trend.

  

Nordic countries with low restrictions saw a spike in mobility regarding park visits. Even so, the covid cases trend was low in these countries.

  
  
  

Nightlight Research

  
  

A research team has been analyzing images of Earth at night to decipher patterns of energy use, transportation, migration, and other economic and social activities. The detailed images shown, focus on lighting changes in Jianghan District, a commercial area of Wuhan, and nearby residential areas.

  

Let's see how COVID affected the rest of the nightlight in the World:

  
  

Agriculture Research

  
  

The data collection by NASA, ESA and JAXA could be crucial in determining the crop pattern, weather attention to be given to crops and understanding soil type and requirements, which directly affect the productivity. Farmers' technical literacy should be improved through teaching programs at local levels to ensure accessibility to the data. This would also help farmers to reap the benefits of selling online like virtual markets and nontraditional market system like in PAMRA Act 2020 of Pakistan .

  

Air Quality Research

  

As human behaviou has changed during the pandemic, ongoing measurements form Earth Observing instruments have detected concurrent changes in environmentail factorsx such as a drop in the air pollutant nitrogen dioxide.

  

Water Quality Research

  
  

Shows the chlorophyll-a concentration in the water bodies of Venice.

  

Chlorophyll-a concentration is an indicator of algae abundance which fluctuates naturally over space and time, as a result of combined atmospheric and oceanic effects (e.g., marine currents and upwelling). In coastal areas, strongly influenced by river inputs and human activities

  
  

S2-derived turbidity maps in the last inland branch of the Po River March, 19th 2020 (beginning of lockdown) and April, 8th (middle of lockdown), (Bottom) Time series of the Po river water discharge at Pontelagoscuro station.

There is a mutual role of a decrease of human activities that enhanced the negative anomaly in Chlorophyll concentration.

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