posted on 2023-11-30, 08:43authored byJenny Jachim
<p>CASTNET measures ambient concentrations of sulfur and nitrogen species as well as rural ozone concentrations. The network includes 90 sites located throughout the US and Canada. Each site measures weekly concentrations of acidic pollutants, base cations and Cl- using a 3-stage filter pack with a controlled flow rate. Most CASTNET sites also include a temperature controlled shelter and continuous ozone monitoring system.</p> <div><br>Resources in this dataset:</div><br><ul><li><p>Resource Title: GeoData catalog record.</p> <p>File Name: Web Page, url: <a href="https://geodata.nal.usda.gov/geonetwork/srv/eng/catalog.search#/metadata/Beltsville_eaa_2015_March_26_1454" target="_blank">https://geodata.nal.usda.gov/geonetwork/srv/eng/catalog.search#/metadata/Beltsville_eaa_2015_March_26_1454</a> </p></li></ul>
Results from CASTNET are used to report on geographic patterns and temporal trends in acidic pollutants, deposition and regional ozone concentrations. CASTNET is the only network in the US that provides a consistent, long-term data record of acidic dry deposition fluxes.
Temporal Extent Start Date
1988-10-25
Theme
Not specified
Geographic Coverage
ISO Topic Category
climatologyMeteorologyAtmosphere
environment
Ag Data Commons Group
Lower Chesapeake Bay
Long-Term Agroecosystem Research
National Agricultural Library Thesaurus terms
sulfur; nitrogen; ozone; United States; Canada; pollutants; chemical bases; cations; chlorides; temperature; monitoring; dry deposition
Pending citation
No
Public Access Level
Public
Preferred dataset citation
Jachim, Jenny (2020). Clean Air Status and Trends Network (CASTNET) - Beltsville, United States Environmental Protection Agency. U.S. Environmental Protection Agency.