Pacific-Atlantic Ocean influence on wildfires in northeast China (1774 to 2010)
Pacific-Atlantic Ocean influence on wildfires in northeast China (1774 to 2010)
复制标题
太平洋-大西洋对中国东北野生动物的影响（1774年至2010年）
DOI：
10.1002/2016gl071821
复制
发表时间：
2017-01-28
影响因子：
5.2
通讯作者：
Wang, Xiaochun
中科院分区：
文献类型：
--
作者：
Yao, Qichao;Brown, Peter M.;Wang, Xiaochun
由于世界许多地区的记录短且不完整，确定厄尔尼诺南方涛动 (ENSO)、太平洋年代际涛动 (PDO) 和北大西洋涛动 (NAO) 等气候遥相关对野火的影响非常困难。我们利用被火烧伤的树木编制了中国东北地区第一个多世纪野火年表。从1700年代到1947年，每7年就会发生一次区域性山火，此后实施了灭火政策。区域野火主要发生在干旱年份，并与 ENSO 和 PDO 的正相位以及 NAO 的负相位相关。二十世纪的气象记录表明，+ENSO/+PDO/-NAO 的这种偶然组合与晚春火灾季节期间或之前的低湿度、低降水和高温有关。尽管由于气候变化和灭火遗留问题的影响，未来的野火可能会更加严重，但中国东北地区的气候和野火可以根据遥连阶段进行预测。
Identification of effects that climate teleconnections, such as El Nino-Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO), and North Atlantic Oscillation (NAO), have on wildfires is difficult because of short and incomplete records in many areas of the world. We developed the first multicentury wildfire chronologies for northeast China from fire-scarred trees. Regional wildfires occurred every 7years from the 1700s to 1947, after which fire suppression policies were implemented. Regional wildfires occurred predominately during drought years and were associated with positive phases of ENSO and PDO and negative NAO. Twentieth century meteorological records show that this contingent combination of +ENSO/+PDO/-NAO is linked to low humidity, low precipitation, and high temperature during or before late spring fire seasons. Climate and wildfires in northeast China may be predictable based on teleconnection phases, although future wildfires may be more severe due to effects of climate change and the legacy of fire suppression.