Climate Impacts of El Nino/La Nina Events on Northern Shaanxi Province in the Last 57 Years

WEI Jun-ping; ZHAO Jing-bo

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Climate Impacts of El Nino/La Nina Events on Northern Shaanxi Province in the Last 57 Years

- Climate Impacts of El Nino/La Nina Events on Northern Shaanxi Province in the Last 57 Years
- Bulletin of Soiland Water Conservation Vol. 31, Issue 5, Pages: 210-214(2012)
- 作者机构：
  
  1. 陕西师范大学旅游与环境学院,陕西,西安,710062
  2. 中国科学院地球环境研究所国家重点实验室,陕西,西安,710075
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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WEI Jun-ping, ZHAO Jing-bo. Climate Impacts of El Nino/La Nina Events on Northern Shaanxi Province in the Last 57 Years[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 210-214.
DOI：

WEI Jun-ping, ZHAO Jing-bo. Climate Impacts of El Nino/La Nina Events on Northern Shaanxi Province in the Last 57 Years[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 210-214. DOI：

摘要

根据陕北地区近57a的气象资料

对榆林、绥德、延安3个地区的气象因子、气象灾害进行了研究。结果表明

榆林、绥德、延安地区暖事件年降水减少

平均气温增加

与正常年份相比降水量分别减少61.59

76.10

73.33mm

平均气温分别增加0.23

0.13

0.11℃; 冷事件年降水减少

平均气温降低

与正常年份相比降水量分别减少15.68

25.61

41.89mm

平均气温分别降低0.22

0.15

0.24℃。 ENSO事件年易发生干旱灾害

且厄尔尼诺年发生干旱气象灾害的概率大于拉尼娜年灾害发生的概率。

Abstract

Based on the meteorological data of 57years in Yulin

Suide

and Yan′an of North Shaanxi Prov-ince areas

the meteorological factors and disasters were studied. Results indicate that the annual precipitati-on was decreased in warm events happened years and the average temperature was increased in warm events years. Compared with normal years the precipitation was decreased at 61. 59

7 6. 10

73. 33mm and average temperature was increased at 0.23

0.13

0.11℃. The precipitation and average temperature was decreased in cold events happened years. Compared with normal years the precipitation was decreased at 15.68

25.61

41.89mm and average temperature was increased at 0.22

0.15

0.24℃. Drought disaster was prone hap-pened in ENSO events years. The probability of drought meteorological disasters was greater than the proba-bility of La Nina years.

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