The Study on Trend of Climate Change in Nanchang

摘要

In the paper, the temperature ,sunlight hours and rainfall for the last 25 years in Nanchang are collected and calculated using Matlab and the EVIEWS software analysis. In the period, the annually mean temperature of Nanchang were arising at a rate of 0.0557 degree C. each year. And quarterly temperatures, sunlight hours and rainfall data for the last 25 years in Nanchang were consolidated statistical analysis. The paper also discussed the relationship between annually mean temperature ,sunlight hours and rainfall for the last 25 years in Nanchang. there is no linear relationship between temperature and rainfall, and a positive correlation between temperature and sunlight hours.