Abstract:
Using Panzhihua city 1977
2009 annual average temperature, annual mean maximum temperature, annual mean minimum temperature and extreme daily maximum temperature data, climate tendency coefficient, total anomaly and MK mutations inspection analysis methods were used to study the Variations of temperature, the main conclusions are as follows:(1):during recent 33 years this area annual average temperature showed a weak downward trend, contrary to the global warming trend. (2) the average extreme minimum temperature warming trend rate of 0.24℃/(10a), much higher than the average maximum temperature in the warming rate of 0.09℃/(10a). (3) high temperature days and hot accumulated temperature were decreased, and the decreased of hot accumulated temperature was 8.4℃/(10a). (4) Bingcaogang annual average temperature is relatively stable, there is no mutations.