Analysis of Climate Change Characteristics in the Past 30 Years in the Xiaoxing’an Mountains Forest Area and Its Surrounding Areas

Using the historical data of 1985-2014 from five stations in Xiaoxing’an Mountains, six stations in six prefecture-level cities around Xiaoxing’an Mountains and two county-level stations at the same latitude as Yichun Station, the climatic factors of Xiaoxing’an Mountains forest area and its surrounding area in recent 30 years were analyzed.Based on the comparison and analysis of the four types of meteorological elements, the different features of climate change in Xiaoxing’an Mountains and its surrounding areas were obtained.The differences are reflected in the following:After the implementation of the natural forest protection project, 0.23 ℃ the annual average temperature decrease in Xiaoxing’an Mountains, which was 0.23 ℃, was stronger than that in its surrounding six cities, which was 0.06 ℃; the annual average precipitation increase in Xiaoxing’an Mountains was more significant than that in its surrounding six cities, with the two figures as 12.4% and 10.1%, respectively; the decrease of annual average wind speed in Xiaoxing’an Mountains, which was 0.40 m/s, was lower than that in its surrounding six cities, which was 0.59 m/s; and the annual sunshine hours in Xiaoxing’an Mountains have decreased by 88.8 hours, the same as that in the surrounding six cities.