EPA Environmental Dataset Gateway


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Title: Change in Ragweed Pollen Season, 1995-2015
Abstract: This figure shows how the length of ragweed pollen season changed at 11 locations in the central United States and Canada between 1995 and 2015. Data were provided by Dr. Lewis Ziska of the U.S. Department of Agriculture, Agricultural Research Service. Red circles represent a longer pollen season; the blue circle represents a shorter season. Larger circles indicate larger changes. For more information: www.epa.gov/climatechange/science/indicators
Publisher: U.S. EPA Office of Air and Radiation (OAR) - Office of Atmospheric Programs (OAP)
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Browse Graphic URL: https://edg.epa.gov/data/PUBLIC/OAR/OAP/metadata/Thumbnails/Ragweed.png
Browse Graphic Caption: Change in length of ragwood pollen season
Browse Graphic Type: PNG
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Reference URL: https://www.epa.gov/climatechange
Open/Close section Reference System Information
Data Type: Vector
Open/Close section Spatial Domain
West Bounding Longitude: -106.647675
South Bounding Latitude: 30.632711
East Bounding Longitude: -89.401244
North Bounding Latitude: 52.134392
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License https://edg.epa.gov/EPA_Data_License.html
Access: Unclassified
Use: None. Please check sources, scale, accuracy, currency and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the EPA would be appreciated.
Open/Close section Data Quality Information
Scope (quality information applies to): 005
Open/Close section Data Theme
Theme Topics: Atmosphere and Climatic
Open/Close section Contact Information
Organization: U.S. Environmental Protection Agency, Office of Air and Radiation
Contact Person: Michael Kolian
Email: kolian.michael@epa.gov
Address: 1200 Pennsylvania Avenue, N.W.
City: Washington
State: DC
Postal Code: 20460
Telephone: (202) 343-9261
Fax: (202) 343-2202
Open/Close section General Information
Publisher Document Identifier: 8A53C09B-FAE2-419C-88EC-154EE3198792
Metadata Date Stamp: 2019-11-20
Organization: U.S. Environmental Protection Agency, Office of Air and Radiation
Organization Role: 007
Open/Close section Metadata Reference Information
Metadata Standard Version: 1.0