Table 4 List of networks contributing with sites and data. The original data can be accessed from the given web pages.

From: Global and regional trends of atmospheric sulfur

Acronym and references

Network

Region

CAPMoN31,51

Canadian Air and Precipitation Monitoring Network Including the New Brunswick Precipitation Network (NBPN), https://open.canada.ca/en/open-data

Canada

CASTNET7,51

Clean Air Status and Trends Network, https://www.epa.gov/castnet

US

EANET31,51

Acid Deposition Network in East Asia, http://www.eanet.asia/

East Asia

EMEP10,11,31,51

The European Monitoring and Evaluation Programme, http://ebas.nilu.no/

Europe

INDAAF31,51

International Network to study Deposition and Atmospheric chemistry in Africa, https://indaaf.obs-mip.fr/

Africa

IMPROVE8,38

Interagency Monitoring of Protected Visual Environments, http://vista.cira.colostate.edu/improve/

US

NADP6,31

National Atmospheric Deposition Program. Including data from MAP3S-AIRMoN (Atmospheric Integrated Research Monitoring Network), https://nadp.slh.wisc.edu

US

GAW - China

Global Atmosphere Watch, regional sites in China

China

GAW - India26,31

Global Atmosphere Watch, regional sites in India

India

WDCPC31

WMO/GAW World Data Centre for Precipitation Chemistry, http://www.wdcpc.org/

Global