Schwartz and Reiter 2000 North American First Leaf and First Bloom Lilac Phenology Data Schwartz, M.D.; Reiter, B.E.; Caprio, J.M. Schwartz, M.D. Reiter, B.E. Caprio, J.M. earth science/paleoclimate/others (North America>LATITUDE >LONGITUDE ) Data of past climate and environment derived from unusual proxy evidence. Parameter keywords describe what was measured in this data set. Additional summary information can be found in the abstracts of papers listed in the data set citations. STUDY NOTES: Yearly date of first leaf and first bloom for lilac shrubs (Syringa chinensis clone and Syringa vulgaris) for 1126 locations in the United States and Canada. NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Schwartz, M.D. Investigator : Reiter, B.E. Investigator : Caprio, J.M. 2003-11-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/5981 https://www1.ncdc.noaa.gov/pub/data/paleo/historical/phenology/north_america_lilac.txt https://www1.ncdc.noaa.gov/pub/data/paleo/historical/phenology/north_america_lilac.txt English https://www.ncdc.noaa.gov/paleo/study/5981 https://www1.ncdc.noaa.gov/pub/data/paleo/historical/phenology/north_america_lilac.txt -170 25 -50 70