| 黄河源区干湿演变条件下的水汽输送特征研究 |
| |
| 引用本文： | 刘煜,刘蓉,王欣,王作亮,王大勇.黄河源区干湿演变条件下的水汽输送特征研究[J].高原气象,2022,41(1):47-57. |
| |
| 作者姓名： | 刘煜 刘蓉 王欣 王作亮 王大勇 |
| |
| 作者单位： | 中国科学院西北生态环境资源研究院/中国科学院寒旱区陆面过程与气候变化重点实验室,甘肃兰州 730000;中国科学院大学,北京 100049,中国科学院西北生态环境资源研究院/中国科学院寒旱区陆面过程与气候变化重点实验室,甘肃兰州 730000,山西省气候中心,山西太原 030006 |
| |
| 基金项目： | 国家自然科学基金项目（42075065,91737103）； |
| |
| 摘 要： | 基于"黄河源区玛曲-若尔盖土壤温湿监测网络"自2008年观测以来至2017年的观测资料,通过分析多层土壤湿度异常百分比指数SMAPI(Soil Moisture Anomaly Percentage Index),捕捉10年来该地区的干湿演变过程,并利用再分析数据资料NECP FNL(National Centers ...
|
| 关 键 词： | 黄河源区 水汽输送 干湿演变 拉格朗日后向轨迹模型 干旱事件 |
The Characteristics of the Water Vapor Transport under The Condition of Dry and Wet Evolution in the Source Region of the Yellow River |
| |
| LIU Yu,LIU Rong,WANG Xin,WANG Zuoliang,WANG Dayong.The Characteristics of the Water Vapor Transport under The Condition of Dry and Wet Evolution in the Source Region of the Yellow River[J].Plateau Meteorology,2022,41(1):47-57. |
| |
| Authors: | LIU Yu LIU Rong WANG Xin WANG Zuoliang WANG Dayong |
| |
| Institution: | (Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou 730000,Gansu,China;university of Chinese academy of sciences,Beijing 100049,China;Shanxi Climate Center,Taiyuan 030006,Shanxi,China) |
| |
| Abstract: | By analyzing Soil Moisture Anomaly Percentage Index(SMAPI)at different soil layers,dry-wet evolution of the source region of the Yellow River(SRYR)during 2008-2017 are investigated using observations from the Maqu-Ruoergai soil temperature and moisture monitoring network.To diagnose the water vapor transportation path and potential water vapor sources in different processes,the Lagrange Flexible Particle Dispersion Model(FLEXPART),which is driven by reanalysis data(National Centers for Environmental Prediction Final,NECP FNL),are used to simulate the backward trajectories of target particles.The results show that the water vapor transportation path can be divided into three categories:(1)South Branch transportation.The water vapor origins from the Indian Ocean and the Arabian Sea,and finally arrives at the SRYR by way of the Indian Peninsula and Bay of Bengal;(2)East Branch transportation.The water vapor is from the Pacific Ocean and the South China Sea,then passes through the Yangtze River Basin,and finally arrives at the SRYR from eastern and southern flank of the Tibetan Plateau;(3)North Branch transportation.The water vapor is from the Atlantic Ocean,the northern African continent,and the European continent,then arrives at the SRYR from the western or northern side of the Tibetan Plateau by way of the mid-latitude Eurasian continent.Moreover,the North Branch is dominant in dry period,whereas the South and East branches are prominent in wet period.The water vapor sources also show discrepancies for dry and wet periods.The water vapor sources of the Tibetan Plateau are mainly distributed around the Kunlun Mountains during wet period,and are scattered distributed from north to south during transitional period,and are located around the Tianshan during dry period.The intensity of the water vapor sources of the Iranian Plateau,Pamir Plateau,and the Bay of Bengal gradually strengthen from wet to dry period,the intensity of the water vapor sources of the Sichuan Basin-Qinling Mountains and south China enhanced first and then weakened,while the source of Qilian Mountain-Loess Plateau weakened after enhanced.The intensity of water vapor sources over the middle and lower reaches of the Yangtze River and around East China has been weakening from the wet period to the dry period. |
| |
| Keywords: | The source region of the Yellow River water vapor transport wet and dry evolution lagrange method drought events |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
