8A53C09B-FAE2-419C-88EC-154EE3198792 eng utf8 dataset Michael Kolian U.S. Environmental Protection Agency, Office of Air and Radiation (202) 343-9261 (202) 343-2202 1200 Pennsylvania Avenue, N.W. 6207A Washington DC 20460 kolian.michael@epa.gov https://www.epa.gov/climatechange pointOfContact 2021-06-17 NAP - Metadata 1.2 point 11 102010 Change in Ragweed Pollen Season, 1995-2015 2016-08-02 publication U.S. EPA Office of Air and Radiation (OAR) - Office of Atmospheric Programs (OAP) Washington, DC publisher U.S. Environmental Protection Agency originator mapDigital 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 EPA completed Michael Kolian U.S. Environmental Protection Agency, Office of Air and Radiation (202) 343-9261 (202) 343-2202 1200 Pennsylvania Avenue, N.W. 6207A Washington DC 20460 kolian.michael@epa.gov https://www.epa.gov/climatechange publisher annually https://edg.epa.gov/data/PUBLIC/OAR/OAP/metadata/Thumbnails/Ragweed.png Change in length of ragwood pollen season PNG United States place EPA Place Names 2015-01-31 publication climatology, Meteorology, Atmosphere theme ISO 19115 Topic Categories 2019-11-15 revision Air Climate theme EPA GIS Keyword Thesaurus 2007-11-02 publication 020:033 theme Federal Program Inventory 2013-09-16 publication 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. EPA Public Domain License https://edg.epa.gov/EPA_Data_License.html licenseUnrestricted https://edg.epa.gov/EPA_Data_License.html unclassified http://project-open-data.github.io/schema/#accessLevel Standard Technical Controls vector eng utf8 Version 6.2 (Build 9200) ; Esri ArcGIS 10.3.1.4959 -106.647675 -89.401244 30.632711 52.134392 Publication date 1995-01-01 2015-01-01 Michael Kolian U.S. Environmental Protection Agency, Office of Air and Radiation (202) 343-9261 (202) 343-2202 6207A 1200 Pennsylvania Avenue, N.W. Washington DC 20460 kolian.michael@epa.gov https://www.epa.gov/climatechange distributor https://geodata.epa.gov/arcgis/rest/services/OAR_OAP/RagweedPollenSeason/MapServer OGC:WMS webService https://www.epa.gov/climatechange information information dataset Created map document 2016-08-02T00:00:00 Published map service 2016-08-02T00:00:00 unknown 2021-06-06