Passive ammonia (NH3) monitoring in Canada

Ammonia (NH3) data were collected at regionally representative Canadian Air and Precipitation Monitoring Network (CAPMoN) sites. Radiello brand passive samplers were deployed at 2 or 5 m above the ground for two week periods and analyzed by the National Atmospheric Deposition Program (NADP) Ammonia Monitoring Network (AMoN). The passive samplers consist of a porous body containing a cartridge coated with phosphoric acid to which NH3 is sorbed. Cartridges were sonicated in deionized water to remove ammonium (NH4+) and then analysed by flow injection colorimetry to determine NH4+ in mg/L. Until December 2015, triplicate samples were deployed alongside a travel blank, which accompanies the samples in a sealed jar. From January 2016 – December 2017, deployments included single samples and a travel blank with 1-3 samples per year in triplicate. After this period, deployments included single samples with a travel blank, with three samples per year in duplicate. Ammonia data presented here in µg/m3 have been quality controlled and have replicates averaged, a variable sampling rate correction based on concurrent site temperature and pressure (after Massman, 1998) and a travel blank correction. Values before May 2015 were corrected using a site-specific travel blank average from May 2015 to December 2015. Values after May 2015 were corrected using a site-specific 6 month travel blank average. Original and uncorrected data can be obtained from AMoN.

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Metadata Record Information

File Identifier
78a7bcbc-ec79-4812-aa20-2d10b6560aab XML
Date Stamp
2023-02-23T20:03:01
Metadata language

eng; CAN
Character set
UTF8
Hierarchy Level
Dataset
Editor
  Government of Canada; Environment and Climate Change Canada; Air Quality Research Division, Science and Technology Branch
Toronto , Ontario , M3H 5T4 , Canada
 

Data identification

Date (Publication)
2022-06-25
Date (Creation)
2022-05-25
Status
On going
Metadata language

eng; CAN
Character set
utf8
Topic category
  • Environment
Maintenance and Update Frequency
As needed
Point of contact
  Government of Canada; Environment and Climate Change Canada; Science and Technology Branch/Air Quality Research Division
Toronto , Ontario , M3H 5T4 , Canada

Keywords

Theme

  • Air, Air Quality, Atmospheric Monitoring, NAtChem, Networks and Studies, CAPMoN, Ammonia, NH3, passive sampling, AMoN, AtmosphericGases, Kejimkujik, Longwoods, Bonner Lake, Pinehouse Lake, Flat Valley, Environment

Government of Canada Core Subject Thesaurus

  • Air quality

Business Functions

  • Monitor Air Quality and UV Parameters and Manage Data

  • Provide Air Quality/UV Information Products and Services
 
Use Limitation

Open Government Licence - Canada ( http://open.canada.ca/en/open-government-licence-canada )

Access Constraints
License
Use Constraints
License
Begin Date
2022-08-01

Extent

N
S
E
W
thumbnail


 
 

Ref. system Reference Systems

Reference system identifier
http://www.epsg-registry.org / EPSG:3857 /
 

Distribution

Distribution Formats

Distribution format
  • CSV ( 1 )

 
Editor
  Government of Canada; Environment and Climate Change Canada; Air Quality Research Division, Science and Technology Branch
Toronto , Ontario , M3H 5T4 , Canada
 
 

Overviews

N
S
E
W
thumbnail


Keywords

Air, Air Quality, Atmospheric Monitoring, NAtChem, Networks and Studies, CAPMoN, Ammonia, NH3, passive sampling, AMoN, AtmosphericGases, Kejimkujik, Longwoods, Bonner Lake, Pinehouse Lake, Flat Valley, Environment
Business Functions
Monitor Air Quality and UV Parameters and Manage Data Provide Air Quality/UV Information Products and Services
Government of Canada Core Subject Thesaurus
Air quality

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