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Analysis of a Large-scale Hail Process in Ulanqab city

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meteorological and Environmental Research 2024年第3期15卷 1-5,15页

作者： Yanni SONG Xuetong WU Zetao ZHANG Ulanqab meteorological bureau Ulanqab 012000China Fengzhen meteorological bureau Fengzhen 012100China

Based on the weather monitoring data,NCEP/NCAR reanalysis data and Doppler weather radar data,the circulation background,atmospheric stability and changing characteristics of radar echoes of a large-scale hail weather process in Ulanqab city on July 5,2021 were *** results show that this hail weather process occurred in the summer afternoon of the hail-prone period in Ulanqab city,and was formed under the influence of upper trough and the circulation background of"two troughs and one ridge",which was conducive to the occurrence of strong convection *** low-level shear line provided the dynamic and water vapor conditions for the occurrence of the *** strong convection weather,water vapor was transported mainly from the Bay of Bengal,India and Nepal over the *** the occurrence of strong convection weather,water vapor transport increased significantly,and the low-level water vapor concentrated below 400 hPa,with obvious convergence and vertical *** characteristic parameters of radar echoes,such as combined reflectivity,vertically integrated liquid,and echo top height,increased significantly before and during the occurrence of hail,which had good indicative significance for the prediction and early warning of hail.

关键词： Hail Upper trough Shear line Convection cell

Influence of Lightning Disaster on Cities and Lightning Defense Measures

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meteorological and Environmental Research 2024年第3期15卷 65-67页

作者： Pei WANG Tao ZHANG Tengge'er WU Xiangjun ZHANG Ulanqab meteorological bureau Ulanqab 012000China Huade meteorological bureau Ulanqab 013350China Xilinhot meteorological bureau Xilinhot 026000China

Under the influence of special terrain and climatic conditions,lightning weather in Ulanqab city is more frequent from June to August,and lightning disaster has become one of the important tasks of disaster prevention and *** this paper,based on the characteristics of lightning weather in Ulanqab city,the impact of lightning disaster on the city was analyzed,and lightning protection measures,such as strengthening supervision of lightning protection safety,establishing a long-term lightning protection mechanism,doing a good job in lightning protection construction and detection in key places,and further improving public awareness of lightning protection,were put forward to reduce and avoid urban lightning disasters as much as possible and ensure urban safety.

关键词： Lightning characteristics Disaster impact city Lightning protection measures

Harm of Hail to Crops and Countermeasures of Artificial Hail Suppression in Ulanqab city

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meteorological and Environmental Research 2024年第2期15卷 62-63,70页

作者： Pei WANG Tengge'er WU Jinhua LIU Ulanqab meteorological bureau Ulanqab 012000China Huade meteorological bureau Huade 013350China

Hail is one of meteorological disasters affecting crop growth in Ulanqab *** happens frequently from May to September,and this period is also the main growing season of *** this period,hail will cause damage to crops,make farmland soil harden,and bring varying degrees of harm to agricultural *** hail suppression is an important scientific and technological means for disaster prevention and *** is necessary to strengthen the monitoring,analysis and forecast of severe convection weather,intensify the release of early warning information of hail weather,provide accurate and reliable real-time information for the implementation of artificial hail suppression operations,strengthen the implementation of artificial weather modification,effectively carry out artificial hail suppression operations,and avoid and reduce the impact of hail disaster.

关键词： Hail Crops Harm Artificial hail suppression Ulanqab city

Analysis of a Rare Heavy Rain Weather Process in Autumn in Ulanqab city

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meteorological and Environmental Research 2024年第2期15卷 1-3,9页

作者： Xinyu CHEN Nan ZHAO Wenying YU Chao FAN Ulanqab meteorological bureau Ulanqab 012000China Huade meteorological bureau Huade 013350China

Based on the conventional observation data and NCEP/NCAR reanalysis data,the circulation situation,influencing systems and causes of the heavy rain during September 20-21,2010 in Ulanqab city were analyzed from the evolution process of weather circulation situation and the changes of various physical quantity *** results show that there was an obvious frontal zone between 45-52°N,which brought strong cold *** transport of warm and humid air outside the subtropical high and typhoon was the main water vapor source of the strong precipitation,and the southwest jet at 700 hPa transported abundant water *** was a broad inverted trough to the south of 45°N,with a central value of 1000.0 *** city was on the top of the inverted trough,stable and less moved,which was conducive to the occurrence of systematic heavy *** rainstorm was a strong precipitation process caused by the intersection of cold air brought by the southward movement of the upper frontal zone and warm and humid air outside the subtropical *** the precipitation,the invasion of strong cold air brought frost and cold wave weather to Ulanqab city.

关键词： Frontal zone Subtropical high Inverted trough Frost Ulanqab city

Structural characteristics and drivers of greenhouse gas emissions at county-level and long-time scales:A case study of the Anji County,China

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Journal of Environmental Sciences 2024年第6期140卷 319-330页

作者： Zhouxiang Cai Liting Hu Di Chen Ying Zhang Xuekun Fang College of Environmental&Resource Sciences Zhejiang UniversityHangzhou 310058China Center for Global Change Science Massachusetts Institute of TechnologyCambridgeMA 02139United States Anji meteorological bureau Anji 313300China

To achieve carbon neutrality,the Chinese government needs to gain a comprehensive understanding of the sources and drivers of greenhouse gas(GHG)emissions,particularly at the county *** County in eastern China is a typical example of an industrial transformation from quarrying to a low-carbon *** study analyzed the decoupling types and structural characteristics of GHG emissions and the driving factors of carbon dioxide(CO_(2))emissions in the Anji from 2006 to 2019,and explored the differences between countylevel and provincial-level or city-level *** was observed that energy-related activities are the main source of GHG emissions in Anji and that economic development is the driving factor behind the increasing CO_(2)***,industrial transformation and upgradation coupled with the alternative use of clean energy limit the growth of GHG *** study details the GHG emissions of county during the industrial transformation stage and provides corresponding policy recommendations for county governments.

关键词： County GHG emissions Decoupling Driving factors Policy recommendations

Cerebral arterial blood flow,attention,and executive and cognitive functions in depressed patients after acute hypertensive cerebral hemorrhage

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World Journal of Clinical Cases 2024年第19期12卷 3815-3823页

作者： Ya-Zhao Zhang Cong-Yi Zhang Ya-Nan Tian Yi Xiang Jian-Hui Wei Department of Neurosurgery Hengshui People's HospitalHengshui 053000Hebei ProvinceChina Department of Ultrasound Second People's Hospital of Hengshui CityHengshui 053000Hebei ProvinceChina Department of Neurology Hengshui People's HospitalHengshui 053000Hebei ProvinceChina

BACKGROUND Intracerebral hemorrhage mainly occurs in middle-aged and elderly patients with hypertension,and surgery is currently the main treatment for hypertensive cerebral hemorrhage,but the bleeding caused by surgery will cause damage to the patient's nerve cells,resulting in cognitive and motor dysfunction,resulting in a decline in the patient's quality of *** To investigate associations between cerebral arterial blood flow and executive and cognitive functions in depressed patients after acute hypertensive cerebral *** Eighty-nine patients with depression after acute hypertensive cerebral hemorrhage who were admitted to our hospital between January 2019 and July 2021 were selected as the observation group,while 100 patients without depression who had acute hypertensive cerebral hemorrhage were selected as the control *** attention span of the patients was assessed using the Paddle Pin Test while executive function was assessed using the Wisconsin Card Sorting Test(WCST)and cognitive function was assessed using the Montreal Cognitive Assessment Scale(MoCA).The Hamilton Depression Rating Scale(HAMD-24)was used to evaluate the severity of depression of involved *** arterial blood flow was measured in both *** The MoCA score,net scores I,II,III,IV,and the total net score of the scratch test in the observation group were significantly lower than those in the control group(P<0.05).Concurrently,the total number of responses,number of incorrect responses,number of persistent errors,and number of completed responses of the first classification in the WCST test were significantly higher in the observation group than those in the control group(P<0.05).Blood flow in the basilar artery,left middle cerebral artery,right middle cerebral artery,left anterior cerebral artery,and right anterior cerebral artery was significantly lower in the observation group than in the control group(P<0.05).The basilar artery,left middle cerebr

关键词： Acute hypertensive cerebral hemorrhage Depression Cerebral arterial blood flow Attention Executive ability Cognitive function

Analysis of a Type Ⅱ Snowstorm Process in the Early Spring of 2022 in Ulanqab

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meteorological and Environmental Research 2024年第2期15卷 4-9页

作者： Haofeng GUO Ulanqab meteorological bureau Ulanqab 012000China

Based on the observation data of meteorological stations,Doppler radar observation data of Ulanqab city,and ERA-5 reanalysis data,a snowstorm process in Ulanqab city from March 17 to 18,2022 was *** results show that this was a type Ⅱ snowstorm process generated under the joint influence of upper trough and ground low inverted trough and frontal *** main period of snowfall can be divided into two time stages,and the total snowfall was more in the south and less in the north,which was consistent with that of average specific humidity *** vapor conditions provided by strong water vapor transport and convergence,strong upward movement shown by large vertical velocity field,and the suction action of high-and low-layer divergence and convergence were the reasons for the hourly heavy snowfall on the 18^(th).During the process,radar echoes were mainly sheet-shaped,and composite reflectivity was 15-25 dBZ in most *** zero speed line in the first period was positively"S"-shaped,and there was warm advection and southwest *** the morning of the 18^(th),after the cold front transited the city,Ulanqab city was gradually controlled by northwest wind,and the snow tended to end.

关键词： TypeⅡsnowstorm Influencing system Diagnostic analysis Radar echo characteristics

Effect of different cold air intensities and their lagged effects on outpatient visits for respiratory illnesses in Handan in different seasons

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Atmospheric and Oceanic Science Letters 2024年第1期17卷 39-44页

作者： Xingshan Zhang Guiqin Fu Liang Zhao Ji Wang Caimeng Liang Juanhuai Wang Meng Li Handan meteorological bureau HandanChina Hebei meteorological Service Center ShijiazhuangChina Key Laboratory of Meteorology and Ecological Environment of Hebei Province ShijiazhuangChina State Key Laboratory of Numerical Modeling for Atmosphere Sciences and Geophysical Fluid Dynamics(LASG) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina Beijing Municipal Climate Center Beijing Meteorological BureauBeijingChina Key Laboratory of meteorological Disaster Ministry of Education/Joint International Research Laboratory of Climate and Environment Change/Collaborative Innovation Center on Forecast and Evaluation of Meteorological DisastersNanjing University of Information Science and TechnologyChina China meteorological Administration Xiong’an Atmospheric Boundary Layer Laboratory Xiong’an New AreaChina Guangdong Climate Center GuangzhouChina

本文利用2016年到2019年邯郸市气象要素和呼吸系统疾病门诊数据,分析了不同季节不同强度的冷空气过程及其对呼吸系统疾病的影响,结果显示:尽管呼吸系统疾病在冬季高发,夏季最低,但冷空气对呼吸系统疾病的影响在夏,春季最大,就诊人数分... 详细信息

本文利用2016年到2019年邯郸市气象要素和呼吸系统疾病门诊数据,分析了不同季节不同强度的冷空气过程及其对呼吸系统疾病的影响,结果显示:尽管呼吸系统疾病在冬季高发,夏季最低,但冷空气对呼吸系统疾病的影响在夏,春季最大,就诊人数分别在冷空气日后两天和五天增加18.4%和13.3%,而冬季就诊人数在冷空气日后三天仅增加3.2%.冷空气对疾病影响的滞后时间在夏,秋和冬季随冷空气强度的增加而减少,而春季的滞后时间总是很长.这些发现可为科学应对气候异常导致的人群健康风险提供针对性依据.

关键词：冷空气过程降温幅度呼吸系统疾病滞后效应

Short-term Association of meteorological Elements on COVID-19 Pandemic in a Semi-arid city of Northwest China,2021-2022

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Biomedical and Environmental Sciences 2024年第5期37卷 537-542页

作者： FENG Feng Liu MA Yu Xia CHENG Bo Wen LIU Zong Rui ZHAO Yu Han YANG Jie College of Atmospheric Sciences Key Laboratory of Semi-Arid Climate ChangeMinistry of EducationLanzhou UniversityLanzhou 730000GansuChina Minhe meteorological bureau Minhe 810800QinghaiChina

The coronavirus disease 2019(COVID-19)outbreak in late 2019 significantly impacted global *** virus’s rapid spread,with its long incubation period and high infection level,caused substantial disruption to regular social frameworks,production,and lifestyles^([1]).COVID-19 is primarily transmitted through close contact,long-range contaminants,and airborne routes.

关键词： Northwest COV primarily