a. Data content (data file/table name, including observation index content) Data File Name: Liaoning Province Accumulated Daily Average Temperature Dataset (2000-2014) Contains 1 table: Excel (1) Liaoning Province Accumulated Multi-year Daily Average Temperature Dataset Including cumulative daily average temperature indicators for many years b. Construction purpose Study the trend of temperature changes over the years in Liaoning Province, and explore its impact on crop yield and ecological environment. c. Service object Students and researchers engaged in research related to meteorology, ecology, agriculture, etc. d. Time range of data Data collection period is from 2000 to 2014 e. The spatial range and projection method of data Liaoning Province