All data in the World Data Center for Paleoclimatology archive are contributed by research scientists. Contributors and references are available in readme or data file headers. Here is a Sample Data Citation.

The NOAA Paleoclimatology Program distributes archives of North American phenology data - first leaf and first bloom dates for lilac shrubs (Syringa chinensis and Syringa vulgaris). Monitoring of growing season changes may provide insight into ecosystem responses to global climate change.

Contribute Data to the National Phenology Network

Data Sets

• WebMapper Search (click map to launch)
• North American lilac first leaf and first bloom dates
• Chuine et al. 2004 Burgundy Grape Harvest Dates and Spring-Summer Temperature
• Ge et al. 2003 Winter Half-Year Temperature for East-Central China

• The Phenology Networks Home Page
• National Phenology Network for the United States
• The Lilac section of the National Phenology Network Home Page
• Map of the average simulated first leaf date (see Schwartz and Reiter IJC 20:8 929 for details).
• PlantWatch Canadian Phenology Observation Network