男友太凶猛1v1高h,大地资源在线资源免费观看 ,人妻少妇精品视频二区,极度sm残忍bdsm变态

Global EditionASIA 中文雙語Fran?ais
China
Home / China / Society

Catkins coming back as warmer weather returns

By ZHAO YIMENG | China Daily | Updated: 2025-04-02 09:03
Share
Share - WeChat

As temperatures climb across northern China, willow and poplar catkins are expected to fill the air, raising seasonal concerns during the Qingming Festival holiday this week, weather officials said on Tuesday.

Huang Zhuo, deputy director of the National Meteorological Center, said the Beijing-Tianjin-Hebei province region, as well as Shandong province and Shaanxi province, will enter peak shedding periods for white poplar and weeping willow catkins in early April, affecting public health and daily activities.

Catkin season typically runs from late March to early May, with weather playing a crucial role in their release. Rising temperatures, strong sunlight and dry air accelerate the maturation and dispersal of catkins, Huang said.

"When daily average temperatures exceed 15 C for at least three consecutive days and sunlight lasts more than six hours, female poplar and willow trees release large amounts of catkins," he said. Dry conditions, with humidity below 70 percent, and light winds also contribute to their spread.

Authorities advised residents to take precautions when outdoors.

"People should wear masks and protective eyewear, choose clothing that does not easily attract catkins, and avoid outdoor exposure between 10 am and 4 pm, when dispersal is at its peak," Huang said.

He also recommended residents keep windows closed, install air filters and either use a vacuum cleaner or a damp cloth to remove catkins that enter homes. Drivers should keep car windows shut and use air conditioning while traveling.

Catkin season comes as northern China is experiencing dust storms, further complicating air quality.

Jia Xiaolong, deputy head of the National Climate Center, said China experienced four major dust storms in March.

"Five to six more events are expected in April, with slightly above-average intensity," Jia said, adding that the risk remains high in Northeast and North China.

Meteorologists are advising farmers nationwide to prepare for regional weather risks this month, paying close attention to waterlogging and other threats that could affect spring plowing and crop growth.

Top
BACK TO THE TOP
English
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
 
主站蜘蛛池模板: 巩义市| 松江区| 横山县| 玉门市| 平武县| 会宁县| 卫辉市| 老河口市| 晋州市| 巫溪县| 吉安县| 镇宁| 集安市| 敦煌市| 简阳市| 阿克陶县| 普兰店市| 赣州市| 商城县| 揭西县| 江安县| 宜兰县| 辛集市| 灵寿县| 资中县| 博罗县| 中方县| 佛冈县| 仁化县| 大冶市| 永泰县| 佳木斯市| 逊克县| 锡林浩特市| 通辽市| 喀喇| 镇原县| 响水县| 岐山县| 信宜市| 台北市|