This repository contains all the GEE codes for the paper
Singh, M., Singh, B.B., Singh, R., Upendra, B., Kaur, R., Gill, S.S. and Biswas, M.S., 2021. Quantifying COVID-19 enforced global changes in atmospheric pollutants using cloud computing based remote sensing. Remote Sensing Applications: Society and Environment, 22(100489) 13, https://doi.org/10.1016/j.rsase.2021.100489
The codes used for final publication figures are in the folder submission1 and are as follows
gee_covid_aod_v2.ipynb
gee_covid_no2_v2.ipynb
gee_covid_o3_v2.ipynb
gee_covid_pm25_v2.ipynb
gee_covid_megacities_v1.ipynb
The codes for Google Earth Engine apps are in the file apps.js
A set of six Google Earth Engine apps have been developed to aid in enhanced visualization of the changes/improvements in air quality due to COVID-19 lockdowns. For best visualization of these apps, Google Chrome browser is recommended. They can be accessed from the links below:
AOD: https://manmeet20singh15.users.earthengine.app/view/aodlockdown.
NO2: https://manmeet20singh15.users.earthengine.app/view/no2lockdown.
Tropospheric ozone:
https://manmeet20singh15.users.earthengine.app/view/tropospherico3lockdown.
PM2.5: https://manmeet20singh15.users.earthengine.app/view/pm25lockdown.
Land surface temperature: https://manmeet20singh15.users.earthengine.app/view/lstlockdown.
Surface winds: https://manmeet20singh15.users.earthengine.app/view/windlockdown.
Requires cartoee, cartopy, ee and a Google Earth Engine account
Installation of cartoee : python 3.5
sudo apt-get install libproj-dev proj-bin sudo apt-get install libgeos-dev
Install cartoee from source
While installation an error in proj
In file included from lib/cartopy/trace.cpp:580: /home/manmeet/anaconda3/envs/gee/include/proj_api.h:37:2: error: #error 'To use the proj_api.h you must define the macro ACCEPT_USE_OF_DEPRECATED_PROJ_API_H'
Go to the file proj_api.h and add
#define ACCEPT_USE_OF_DEPRECATED_PROJ_API_H to define the macro