2000-2015年华北地区8月极端干旱的异常环流型及其波活动特征          下载免费PDF全文

徐玮平  孟祥新  伯忠凯  邢雅敏 《海洋气象学报》2021,41(1):92-99

利用1961-2015年华北地区54个国家级气象观测站夏季8月逐日降水资料和2000-2015年欧洲中期天气预报中心(ECMWF)再分析数据,研究了华北地区8月极端干旱的异常环流型及原因.结果 表明:华北地区极端干旱事件以年际变化为主,2000-2015年华北地区极端干旱年在中高纬500 hPa高度距平场上存在“-、+...  相似文献   

Exposure to extreme climate decreases self-rated health score: Large-scale survey evidence from China     

《Global Environmental Change》2022

High temperature is a growing threat and impacts public health through different exposure mechanisms. Our study constructs a comprehensive exposure measurement based on temperature variability, duration, and effective influence range. We investigate human responses to high temperatures through self-rated health scores based on individual-level data from China Labor-force Dynamic Survey (CLDS). Results show that higher temperature and temperature variability significantly decrease self-rated health scores. Subjective health risk is most significantly related to the cumulative temperature in the previous two weeks. We also find that the exposure effects at night and on weekdays are more severe. Workers who experience greater exposure from commuting and work environments are negatively impacted by high temperatures. In addition, men, the elderly, middle and low education groups, rural residents are more likely to be impacted by high temperatures.  相似文献