西藏拉萨地区太阳紫外辐射观测

大气与环境光学学报 ›› 2018, Vol. 13 ›› Issue (2): 81-87.

• 大气光学 • 下一篇

西藏拉萨地区太阳紫外辐射观测

赵地，诺桑*，措加旺姆，晋亚铭，段杰，周毅

（西藏大学太阳紫外线实验室，西藏拉萨 850000）

收稿日期:2017-11-20 修回日期:2017-12-14 出版日期:2018-03-28 发布日期:2018-04-15
通讯作者: 诺桑（1962-），男，藏族，西藏日喀则人，博士，教授，博士生导师，主要从事太阳辐射方面的研究。 E-mail:2218473811@qq.com
作者简介:赵地（1992-），女，河南商丘人，硕士研究生，主要从事太阳紫外辐射方面的研究。
基金资助:
Supported by Program of National Natural Science Foundation of China (国家自然科学基金，41475139), Mt. Everest Scholars Training Program of Tibet University(西藏大学珠峰学者人才发展支持计划), High Level Talents Develop Program of Tibet University（西藏大学高水平人才培养计划, GSP-2015-023)

Measurements of Solar UV Radiation in Lhasa, Tibet

ZHAO Di, NORSANG Gelsor *, TSOJA Wangmu, JIN Yaming, DUAN Jie, ZHOU Yi

(Laboratory of Solar Ultraviolet Radiation, Tibet University, Lhasa 850000, China)

Received:2017-11-20 Revised:2017-12-14 Published:2018-03-28 Online:2018-04-15
Supported by:
Supported by Program of National Natural Science Foundation of China (国家自然科学基金，41475139), Mt. Everest Scholars Training Program of Tibet University(西藏大学珠峰学者人才发展支持计划), High Level Talents Develop Program of Tibet University（西藏大学高水平人才培养计划, GSP-2015-023)

摘要/Abstract

摘要：

利用NILU-UV紫外辐射探测仪，在2015年1月至2016年12月期间，对西藏拉萨太阳紫外辐射及其影响因子（云、臭氧等）进行观测。结果显示，观测期间紫外辐射平均日剂量为1.24 MJ?m-2?d-1，其中夏季最高，为1.57 MJ?m-2?d-1，冬季最低，为0.87 MJ?m-2?d-1。拉萨当地正午时分（05:25~06:25 UTC）平均紫外线指数为8.34，夏季平均值达到11.53，冬季为5.02。紫外线指数瞬时最大值为20.78，紫外辐射日剂量最大值为2.58 MJ?m-2，两者均出现在2016年8月。夏季拉萨云况变化复杂，出现云增强地面紫外辐射的现象。观测期间拉萨当地正午小时平均臭氧柱总量为264.2 DU,臭氧含量变化幅度不大。

关键词: 太阳紫外辐射, 拉萨, 紫外线指数, 臭氧

Abstract:

The solar UV radiation and its influence factors (cloud, ozone, etc.) in Lhasa, Tibet, China were observed during the period of January 2015 ~ December 2016 by using the NILU-UV Irradiance Meters. The results show that the daily mean UV dose during the period was 1.24 MJ?m-2?d-1, in which maximum value in summer (from June to August) was 1.57 MJ?m-2?d-1, minimum value in winter (from December to Feburary) was 0.87 MJ?m-2?d-1. The average local noon-hour (05:25~06:25 UTC) UV index (UVI) was 8.34 during the period, in which the average value in summer was 11.53, and 5.02 for the winter. UVI maximum value (20.78) and daily UV dose maximum value (2.58 MJ?m-2) both arose in August, 2016. There was a phenomenon that the UV radiation was strengthened in summer as the cloud exchanged richly. The total ozone column (TOC) almost had no change during measurement, and the average local noon-hour TOC value was 264.2 DU.

Key words: solar UV radiation, Lhasa, UV index, ozone

中图分类号:

P422.62

赵地,诺桑,措加旺姆,晋亚铭,段杰,周毅. 西藏拉萨地区太阳紫外辐射观测[J]. 大气与环境光学学报, 2018, 13(2): 81-87.

ZHAO Di, NORSANG Gelsor, TSOJA Wangmu, JIN Yaming, DUAN Jie, ZHOU Yi. Measurements of Solar UV Radiation in Lhasa, Tibet[J]. Journal of Atmospheric and Environmental Optics, 2018, 13(2): 81-87.

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西藏拉萨地区太阳紫外辐射观测

Measurements of Solar UV Radiation in Lhasa, Tibet

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