550 Hits in 8.2 sec

Detection of meteorological stations' underlying surface change based on RS and analysis of its influence on air temperature change in China

Chaoyang Sun, Quanqin Shao, Jiyuan Liu, Wenhui Kuang
2010 2010 IEEE International Geoscience and Remote Sensing Symposium  
The changes in underlying surface and building environment around the stations have had influences on the observation air temperature, leading to overestimation on the regional air temperature and disturb  ...  In the study, the surface property of more than 700 national meteorological stations in different historical periods is firstly distinguished based on the MSS images of 1970s, TM Based on the above analysis  ...  Figure 1 . 1 Spatial distribution and 'entering' city period of meteorological stations in China In the basis of former work, annual and seasonal change characteristics of air temperature are analyzed.  ... 
doi:10.1109/igarss.2010.5649855 dblp:conf/igarss/SunSLK10 fatcat:nyu3wl5advgb7aupsk3amhgvwa

A Remote-Sensing Method of Selecting Reference Stations for Evaluating Urbanization Effect on Surface Air Temperature Trends

Yuyu Ren, Guoyu Ren
2011 Journal of Climate  
The underlying image data of remote sensing retrieval is adopted in this study to obtain the spatial distribution of surface brightness temperature, and the surface air temperature reference stations are  ...  determined based on the locations of the weather stations in the remote sensing surface thermal fields.  ...  The study is granted by the Ministry of Science and Technology of China (2007BAC29B02 and 2007BAC03A01) and the Natural Science Foundation of China (40575039).  ... 
doi:10.1175/2010jcli3658.1 fatcat:wbr7idffgzbm5cdlyhn4234owm

Contributions of surface solar radiation and precipitation to the spatiotemporal patterns of surface and air warming in China from 1960 to 2003

Jizeng Du, Kaicun Wang, Jiankai Wang, Qian Ma
2017 Atmospheric Chemistry and Physics  
Herein, we analyzed surface and air warming observations recorded at 1977 stations in China from 1960 to 2003.  ...  class="thinspace"></span>%, respectively; and the daily contrast in the warming rates of the surface and air temperature decreased by 33.0 and 29.1<span class="thinspace"></span>%, respectively.  ...  Based on the above analysis, we calculated the effect of changes in R s on the studied temperatures.  ... 
doi:10.5194/acp-17-4931-2017 fatcat:xrwfkeq75jcynjuygzvs7u4e6e

Global Sensitivity Analysis of the Standardized Precipitation Evapotranspiration Index at Different Time Scales in Jilin Province, China

Rui Zhang, Taotao Chen, Daocai Chi
2020 Sustainability  
In terms of spatial distribution, the SPEI was mainly affected by P in the eastern region, while it was also influenced by Tmean, RH, and U2 as well in the western region.  ...  Jilin Province experienced a significant rise in Tmean, and a sharp decrease in Tdelta, Rs, and U2.  ...  Acknowledgments: The authors acknowledge the National Meteorological Information Center of China for providing the China surface climate data daily dataset (V3.0) used in this work (  ... 
doi:10.3390/su12051713 fatcat:g4t366m63rgyvafkxflnohol2u

Urban Integrated Meteorological Observations: Practice and Experience in Shanghai, China

Jianguo Tan, Limin Yang, C. S. B. Grimmond, Jianping Shi, Wen Gu, Yuanyong Chang, Ping Hu, Juan Sun, Xiangyu Ao, Zhihui Han
2015 Bulletin of The American Meteorological Society - (BAMS)  
, air quality and climate models, and providing key 4 information for city end-users (e.g. decision-makers, stakeholders, public).In this paper, 5 Shanghai's urban integrated meteorological observation  ...  1 Observations of atmospheric conditions and processes in citiesare fundamental to 2 understanding the interactions between the urban surface and weather/climate, improving 3 the performance of urban weather  ...  Soc., 92, 25 325-342. 26 Li WL,Liu HL, Zhou XJ, Qin Y(2003) Analysis of the influence of Taihu Lake and the urban heat island on the 27 local circulation in the Yangtze Delta.  ... 
doi:10.1175/bams-d-13-00216.1 fatcat:smqtbtbfzjeorn3ugnohoo2vu4

Spatiotemporal Variations in Daytime and Night-Time Precipitation on the Yunnan–Guizhou Plateau from 1960 to 2017

Dayun Zhu, Qian Yang, Kangning Xiong, Hua Xiao
2022 Atmosphere  
data from 73 meteorological stations on the Yunnan–Guizhou Plateau from 1960 to 2017.  ...  Spatial and temporal variations in daytime and night-time precipitation and differences in these variations between the dry and wet seasons were investigated based on a daily precipitation dataset comprising  ...  Acknowledgments: We would like to thank the China Meteorological Administration (, 1 December 2021) and US National Oceanic and Atmospheric Administration (NOAA) for providing daily precipitation  ... 
doi:10.3390/atmos13030415 fatcat:vnrhdgh6czfnnlmpz62zohszy4

Assessment of Daily of Reference Evapotranspiration Using CLDAS Product in Different Climate Regions of China

Li-Feng Wu, Long Qian, Guo-Min Huang, Xiao-Gang Liu, Yi-Cheng Wang, Hua Bai, Shao-Fei Wu
2022 Water  
Reference Crop evapotranspiration (ET0) datasets based on reanalysis products can make up for the time discontinuity and the spatial insufficiency of surface meteorological platform data, which is of great  ...  This study first evaluated the ability of the second-generation China Meteorological Administration Land Data Assimilation System (CLDAS) dataset for officially estimating ET0 (the local meteorological  ...  This is mainly due to the complex terrain changes on the ground, and the wind speed is greatly affected by the roughness of the underlying surface.  ... 
doi:10.3390/w14111744 fatcat:lcfkebwbtbczdipyuzgdkxkiea

Review of climate and cryospheric change in the Tibetan Plateau

Shichang Kang, Yanwei Xu, Qinglong You, Wolfgang-Albert Flügel, Nick Pepin, Tandong Yao
2010 Environmental Research Letters  
Based on meteorological station data, reanalyses and remote sensing, the TP has shown significant warming during the last decades and will continue to warm in the future.  ...  Within China it is recognized as the 'Asian water tower'.  ...  Acknowledgments This study is supported by the National Natural Science Foundation of China (40771187, 40830743)  ... 
doi:10.1088/1748-9326/5/1/015101 fatcat:ieionxgu3neallw56mepaih7ae

Spatial Allocation Method from Coarse Evapotranspiration Data to Agricultural Fields by Quantifying Variations in Crop Cover and Soil Moisture

Zonghan Ma, Bingfang Wu, Nana Yan, Weiwei Zhu, Hongwei Zeng, Jiaming Xu
2021 Remote Sensing  
ET management theory in addressing the impacts of water scarcity on social and economic developments.  ...  different crop growth and land-surface water conditions.  ...  Acknowledgments: The authors would like to thank the National Tibetan Plateau/Third Pole Environmental Data Center ( for providing the ground observation data of Daman Station  ... 
doi:10.3390/rs13030343 fatcat:uhonisfayfcmxhv6cgpoviou4u

Effect of meteorology and air pollutant transport on ozone episodes at a subtropical coastal Asian city, Hong Kong

C. Y. Chan, L. Y. Chan
2000 Journal of Geophysical Research  
Our meteorological and ozone episode diagnosis have also demonstrated that the 'background' outflow of Asian pollutants can be significantly modified on its way to the Pacific Ocean when passing through  ...  These episodes feature consistently high ozone at night in the remote station and early morning peaks in the metropolitan stations.  ...  The authors would like to thank the Environmental Protection Department and Hong Kong Observatory and the Hong Kong Polytechnic University Background Air Quality Monitoring Station for providing the necessary  ... 
doi:10.1029/2000jd900140 fatcat:idbkm6pmffe4fjntzvv7cc6h24

Comparative and Combinative Study of Urban Heat island in Wuhan City with Remote Sensing and CFD Simulation

Kun Li, Zhuang Yu
2008 Sensors  
Landsat ETM+ satellite data were used to investigate the land surface temperature and underlying surface indices such as NDVI and NDBI.  ...  The city of Wuhan and its climatological condition of being hot in summer and cold in winter were chosen to verify the comparative and combinative application of RS with CFD in studying the urban heat  ...  Acknowledgements This research was funded by the Chinese Natural Science Foundation (50578067) and it is based on a special subject in Wuhan general planning revision.  ... 
doi:10.3390/s8106692 pmid:27873893 pmcid:PMC3707474 fatcat:7xrappgburc5beahmmm5j2umuq

Urban Dry Island Effect Mitigated Urbanization Effect on Observed Warming in China

Jizeng Du, Kaicun Wang, Shaojing Jiang, Baoshan Cui, Jiankai Wang, Chuanfeng Zhao, Jianping Li
2019 Journal of Climate  
With urbanization occurring around weather stations, its impact on the observed air temperature has been widely recognized.  ...  However, its assessments were varied partially due to the poor understanding of its underlying mechanism.  ...  The urban-rural differences in changes in temperature Based on the urban-rural differences in warming trends, we can estimate the effect of urbanization on the warming rate of surface air temperature from  ... 
doi:10.1175/jcli-d-18-0712.1 fatcat:nmo2j3axjvd6fee7xnlsidrrye

A test of corrections for extraneous signals in gridded surface temperature data

R McKitrick, PJ Michaels
2004 Climate Research (CR)  
Monthly surface temperature records from 1979 to 2000 were obtained from 218 individual stations in 93 countries and a linear trend coefficient determined for each site.  ...  The analysis is then repeated on the corresponding Intergovernmental Panel on Climate Change (IPCC) gridded data, and very similar correlations appear, despite previous attempts to remove non-climatic  ...  Khandekar, 4 anonymous referees and participants in the American Meteorological Society 14th Conference on Applied Climatology, Seattle.  ... 
doi:10.3354/cr026159 fatcat:w6y5ynllqjcypk2sexybpubjmq

Spatio-Temporal Variations of Precipitable Water Vapor and Horizontal Tropospheric Gradients from GPS during Typhoon Lekima

Manhong Tu, Weixing Zhang, Jingna Bai, Di Wu, Hong Liang, Yidong Lou
2021 Remote Sensing  
The typhoon caused a large horizontal tropospheric gradient (HTG) with the magnitude reaching 5 mm and the direction pointing to the typhoon center when it made a landfall on mainland China.  ...  Comparisons of GPS, radiosonde, the Global Data Assimilation System (GDAS) Global Forecast System (GFS) analysis products and ERA5 reanalysis products at four matched GPS-RS stations show overall overestimations  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs13204082 fatcat:mmhuovilwre3zbwvezcu4wjcua

Decision tree-based detection of blowing snow events in the European Alps

Zhipeng Xie, Weiqiang Ma, Yaoming Ma, Zeyong Hu, Genhou Sun, Yizhe Han, Wei Hu, Rongmingzhu Su, Yixi Fan
2021 Hydrology and Earth System Sciences  
The DTMs were constructed based on routine meteorological observations (mean wind speed, maximum wind speed, air temperature and relative humidity) and snow measurements (including in situ snow depth observations  ...  indicators varied between stations and surface conditions.  ...  This research has been supported by the National Natural Science Foundation of China (grant no. 41905012), the Second Tibetan Plateau Scientific Expedition and Research (STEP) program (grant no. 2019QZKK0103  ... 
doi:10.5194/hess-25-3783-2021 fatcat:lecye6fmzvf6jklbelxdz3cmee
« Previous Showing results 1 — 15 out of 550 results