Description

The Acid Sensitive Lakes Study in the Atlantic Canada was initiated in 1983 by Environment and Climate Change Canada, to evaluate the impact of acid atmospheric pollutant on aquatic ecosystem. Originally, the study focused on the aquatic and terrestrial effects of acid precipitation, but now it also includes research into the effects of climate change. A total of 81 lakes in Nova-Scotia, New-Brunswick and Newfoundland are sampled once a year in October (twice a year for lakes in Newfoundland). Water quality chemical parameters related to the acidification environmental issue are analysed (pH, alkalinity, cations and anions, metals, organic carbon, etc) to identify chemical changes through temporal trend analyses. Supplemental Information The Climate Change and Air Pollution (CCAP) program was established in 2016 to identify the severity and extent of adverse impacts of current and future air emissions on aquatic ecosystems to support regulatory actions and policy development. The program includes a number of components, including identifying, monitoring and defining air quality and greenhouse gas (GHG) concerns; improving our understanding of the short- and long-term effects of atmospheric pollutants on the environment; developing a plan to combat climate change; and monitoring and reducing both domestic and transboundary emissions of GHGs. The program is also responsible for identifying and studying emerging issues including multipollutant impacts, major urban sources, and effects of increasing heat on air pollutant formation, among others. On-going cooperation and support with the Provinces and Territories, international governments and organizations and academia are vital to deliver these priorities to Canadians. Supporting Projects: Climate Change and Air Pollution (CCAP)

Resources

Name	Format	Description	Link
View ECCC Data Mart (English)	HTML		https://data-donnees.ec.gc.ca/data/substances/monitor/acid-sensitive-lakes-atlantic-canada/
disclaimer_avis-exclusion-de-responsabilite.txt	TXT		https://data-donnees.ec.gc.ca/data/substances/monitor/acid-sensitive-lakes-atlantic-canada/disclaimer_avis-exclusion-de-responsabilite.txt
View ECCC Data Mart (French)	HTML		https://data-donnees.ec.gc.ca/data/substances/monitor/acid-sensitive-lakes-atlantic-canada/?lang=fr
LRTAP_AcidSensitiveLakes_NB_EN_FR.csv	CSV		https://data-donnees.ec.gc.ca/data/substances/monitor/acid-sensitive-lakes-atlantic-canada/LRTAP_AcidSensitiveLakes_NB_EN_FR.csv
LRTAP_AcidSensitiveLakes_NFLD_EN_FR.csv	CSV		https://data-donnees.ec.gc.ca/data/substances/monitor/acid-sensitive-lakes-atlantic-canada/LRTAP_AcidSensitiveLakes_NFLD_EN_FR.csv
LRTAP_AcidSensitiveLakes_NS_EN_FR.csv	CSV		https://data-donnees.ec.gc.ca/data/substances/monitor/acid-sensitive-lakes-atlantic-canada/LRTAP_AcidSensitiveLakes_NS_EN_FR.csv
Scientific Publication - Long-term trends in catchment organic carbon and nitrogen exports from three acidified catchments in Nova Scotia, Canada	HTML		https://dx.doi.org/10.1007/s10533-007-9170-7
Scientific Publication - Freshwater acidification research in Atlantic Canada: a review of results and predictions for the future	HTML		https://dx.doi.org/10.1139/A07-004
Scientific Publication - Water chemistry and dissolved organic carbon trends in lakes from Canada’s Atlantic Provinces: no recovery from acidification measured after 25 years of lake monitoring	HTML		https://dx.doi.org/10.1139/F11-013

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