Phenology is the scientific study of periodic biological phenomena, such as flowering, breeding, and migration, in relation to climatic conditions. The few records in this library document blooming dates of plants including fruit trees, and also bird migration and other animal activity.
Dataset landing page with general information and access links for the dataset.
The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
Global Change Master Directory (GCMD) Keywords
Information about the Climate Database Modernization Program (CDMP) and the current Image Access Repository.