生态与农村环境学报 ›› 2022, Vol. 38 ›› Issue (6): 755-764.doi: 10.19741/j.issn.1673-4831.2021.0433

• 自然保护与生态 • 上一篇    下一篇

近60a来秦岭山地≥10℃积温时空演变及亚热带-暖温带界线问题

张善红1,2, 白怡2, 宋连环3, 展晓玮4, 屈妍4, 梁佳5   

  1. 1. 西北大学城市与环境学院, 陕西 西安 710127;
    2. 商洛学院城乡规划与建筑工程学院, 陕西 商洛 726000;
    3. 山东省济宁市汶上县第一中学, 山东 济宁 272500;
    4. 商洛市气象局, 陕西 商洛 726000;
    5. 陕西省气象服务中心, 陕西 西安 710014
  • 收稿日期:2021-07-12 出版日期:2022-06-25 发布日期:2022-06-24
  • 通讯作者: 梁佳,E-mail:642360068@qq.com E-mail:642360068@qq.com
  • 作者简介:张善红(1983-),女,山东日照人,讲师,博士,主要从事全球变化生态学研究。E-mail:feiyang84120@126.com
  • 基金资助:
    陕西省大学生创新训练项目(S202011396034);商洛市气候适应型城市重点实验室开放研究基金(SLSYS2019019)

Assessing the Boundary Between Subtropical and Warm Temperate Zones and the Spatiotemporal Evolution of the Active Accumulated Temperature of ≥10 ℃ in the Qinling Mountains from 1960 to 2019

ZHANG Shan-hong1,2, BAI Yi2, SONG Lian-huan3, ZHAN Xiao-wei4, QU Yan4, LIANG Jia5   

  1. 1. School of Urban and Environment, Northwest University, Xi'an 710127, China;
    2. College of Urban, Rural Planning and Architectural Engineering, Shangluo University, Shangluo 726000, China;
    3. Wenshang No.1 Middle School of Jining City in Shandong Province, Jining 272500, China;
    4. Shangluo Meteorological Bureau, Shangluo 726000, China;
    5. Shaanxi Meteorogical Service Center, Xi'an 710014, China
  • Received:2021-07-12 Online:2022-06-25 Published:2022-06-24

摘要: 选用秦岭及其周边74个气象站点的逐日气温实测数据,采用M-K检验、Anusplin等研究方法,对1960-2019年秦岭山地≥10 ℃积温的时空变化以及亚热带-暖温带的界线变化进行分析。结果表明:(1)从时间尺度上看,秦岭山地≥10 ℃积温呈现增加的趋势,其变化率为71.72 ℃·(10 a)-1。>1 000~2 000和>2 000~3 000 ℃积温段区域面积占比逐年减少,>3 000~4 000和>4 000 ℃积温段区域面积占比逐年增加;≤1 000 ℃积温段区域面积占比呈先增加后减少的变化趋势。(2)从空间尺度上看,秦岭山地≥10 ℃积温在南北方向表现出中间低周边高、东多西少、南多北少,由低海拔向高海拔逐渐减少的规律;研究区积温高值区面积增加,积温低值区面积减少;秦岭山地≥10 ℃积温增加趋势显著,其中秦岭北坡增加最为明显。(3)对比阶段Ⅰ(1960-1989年)和阶段Ⅱ(1990-2019年),亚热带-暖温带分界线整体向高海拔攀升和向高纬度北移,秦岭以北"跨越式"进入了亚热带气候格局,随着气候变暖,秦岭亚热带北界可能会跨越秦岭山脉。

关键词: ≥10℃积温, Anusplin, 亚热带-暖温带分界线, 秦岭山地

Abstract: The changes of the boundary between subtropical and warm temperate zones and the spatiotemporal evolution of the actively accumulated temperature of ≥10 ℃ (AAT10) in the Qinling Mountains from 1960 to 2019 was analyzed by using the sliding mean temperature over five days, the Mann-Kendall test, and the Anusplin method based on the daily average temperature data from 74 meteorological stations in and around the Qinling Mountains (QMs). The results show that (1) at the temporal scale, the AAT10 had increased at a rate of 71.72 ℃·(10 a)-1 in the QMs since 1960. The areas of 1 0004 000 ℃ and 3 0004 000 ℃ and 2 000

Key words: actively accumulated temperature ≥10 ℃ (AAT10), Anusplin, boundary between subtropical and warm temperate zones, Qinling Mountains

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