Climate Changes Effects on Phenology By Joyce Cadwallader, Karen Lucci, Gigi SaundersBy Joyce Cadwallader, Karen Lucci, Gigi Saunders

CONCLUSIONThere is a strong relationship between increase in air temperature and data of

grape harvest. However, the grape harvest data does not reveal global warming

trends over the 633 year period.

CONCLUSIONThere is a strong relationship between increase in air temperature and data of

grape harvest. However, the grape harvest data does not reveal global warming

trends over the 633 year period.

Correlation of temperature and year = -.098

National Phenology Network

R square of Harvest Date and Temperature Anomaly = .971

NOAA Earth Systems Research Laboratory