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Gaoyuan qixiang
Scopus
ISSN 1000-0534 · Science Press, PR China · 587 artikel di indeks
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Artikel Jurnal Teks lengkap
The Applicability of Gridded Products for Streamflow Simulation in the Taolai River Basin
Gridded precipitation， potential evapotranspiration （PET）， and land surface temperature （LST） datasets provide valuable alternatives for hydrologic modeling in ungauged areas.However， their performance in specific regions requires further investigation.This study evaluates six gridded precipitation…
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Comparative Evaluation of CRA Reanalysis by Using the Intensive Radiosonde Observations over the Qinghai-Xizang Plateau in Summer
The weather and climate of the Qinghai-Xizang Plateau （QXP） not only exert profound influences on Asian regional climate but also regulate broader Northern Hemisphere climate patterns.Various global atmospheric reanalysis datasets developed abroad have been extensively utilized to characterize the…
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Study on X-band Dual Polarization Radar Echo Attenuation Correction Based on Transformer Architecture
Attenuation effects in X-band weather radar significantly constrain its detection accuracy.Traditional attenuation correction methods typically rely on empirical formulas with limited parameters and poor generalization capability， leading to significant uncertainty in the correction results.In…
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Comparative Analysis of Raindrop Size Distribution Retrieval Techniques Based on Dual Polarization Radar
Accurate retrieval of raindrop size distributions （DSDs） based on dual-polarization radar can provide substantial data for the study of precipitation microphysical properties on a large scale.In order to further improve DSDs retrieval accuracy， this study proposes a new double-moment normalization…
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Vegetation Growth Simulations of CLM5.0 in Southwest China under the 2009 -2010 Drought
Under the influence of global change， drought events have occurred frequently in the originally humid Southwest region since the 21st century， which has inhibited the growth of vegetation in the region to variable degrees and threatened the security of ecological barriers.In this study， we used the…
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The Impact of Thinning Method in Radar Radial Wind Assimilation on Heavy Rainfall Forecasting
Assimilation of thinned radar radial wind data can help improve the model's forecasting capability for short-term precipitation.However， the thinning method affects the distribution characteristics of the radar radial wind super-observations（SOs）， which in turn affects the assimilation and…
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Nowcasting of Airport Low Visibility Based on Machine Learning
In order to reduce the rate of flight diversion and return caused by low visibility， this study has established a short-term and nowcasting model of low visibility using ground observation data and the upper-air and surface forecast data of the ECMWF at Jingdezhen Airport based on machine learning…
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Research on the Triggering and Maintenance Mechanisms of Convective Heavy Rainfall in Northern Xinjiang under the Background of the Central Asian Vortex
To solve the difficult problem of forecasting the location and time of heavy rain under the background of Central Asian low vortex.using conventional observation data， satellite， radar and ERA5 0.25°×0.25° reanalysis data， to analyze the mesoscale characteristics and atmospheric instability， and…
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Modulation of Indian and Pacific Ocean Temperature Anomalies to Winter Precipitation of China
This paper analyzes the spatial and temporal characteristics of winter precipitation variability in China and its relationship with SST anomalies in the Indian and Pacific Oceans using precipitation data observed at meteorological stations from 1961 to 2021， ERA5 reanalysis data and SST data.The…
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Second-Order Moist Potential Vorticity in Terrain-Following Coordinate and its Application in Improving Numerical Precipitation Prediction
For the general problem of rainstorm under complex terrain， the use of isobaric coordinates can not accurately analyze and predict the intensity and movement of mountain rainstorm due to the intersection of the lower troposphere isobaric surface and the ground.In order to improve the rainstorm…
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Study on the Characteristics and Influencing Factors of Sensible Heat Flux and Latent Heat Flux in the Coniferous and Broad-leaved Mixed Forest of Lesser Khingan Mountains
Located in the temperate monsoon climate zone of northeast China， dominated by coniferous and broad-leaved mixed forest the Lesser Khingan Mountains has the largest and most complete primary forest of Korean pine in Asia， which plays an important role in regulating the regional climate.In order to…
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Multi-sphere Observation Network and Climate Warming and Humidification Research on the Qinghai-Xizang Plateau： Advances and Future Directions
The Qinghai-Xizang Plateau （QXP）， recognized as a global climate hotspot and sensitive indicator， profoundly influences regional and global climate and water cycles through complex multi-sphere interactions.This study presents comprehensive review of the current status and data resources of the…
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Spatiotemporal Analysis of Wind and Solar Resource in the Yarlung Zangbo River Basin from 1979 to 2023
The large-scale development and utilization of wind and solar power are critical for achieving power system decarbonization and "Dual Carbon" （carbon peak and carbon neutrality） goals. While northern China boasts abundant wind-solar resources， the Yarlung Zangbo River Basin （YZRB） presents a…
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Spatial-temporal Variation of Snow Cover in Qinghai Lake Basin in Recent 20 Years and the Possible Influence of Lake Effect
Snow cover is an important component of the cryosphere.In recent years， climate warming has led to a reduction in snow cover area.This change may cause uneven distribution of water resources and a decline in biodiversity， thereby affecting local life， economic development and ecological…
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Research on Optical Properties and Radiative Effects of Aerosols in a Typical City in Southwest China
Using aerosol scattering and absorption coefficient observations in Chengdu city from March 2021 to February 2022， combined with EAC-4， MERRA-2 reanalysis data， and the libRadtran radiative transfer model， the aerosol optical parameters in different seasons and the radiative effects of total…
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A Study on Flux Contributions of Turbulent Coherent Structures over Forest Underlying Surfaces Using the CEEMD Method
In order to study the turbulent coherent structure characteristics under the complex underlying surface of forests， three-layer turbulence data set up at 1.33 times， 2.53 times， and 3.86 times canopy degrees in the artificial forest area of Mount Si E in Leshan City， Sichuan Province （canopy height…
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Vertical Structure and Macro-Micro Differences of Cold and Warm Cloud-Precipitation in Ya'an During Autumn Rainy Season
The Ya'an area has a typical "windward slope" and "trumpet" topography， the observation and study of cloud-precipitation in the Ya'an area has always been one of the hot issues of mountain meteorology in China.In this paper， using the observation data of Ka-band millimeter-wave cloud radar， K-band…
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Research on Daily Maximum and Minimum Temperature Forecasts by Integrating Terrain Features and Neural Networks
Accurate forecasting of daily maximum （T max） and minimum （T min） temperatures is essential for meteorological operational， as enhanced precision safeguards socioeconomic stability in agriculture， transportation and public health.To address pronounced systematic biases in numerical weather…
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Simulation of Qinghai Lake Water Level Fluctuations Using Machine Learning
A comprehensive analysis was conducted to examine the processes and impacts of water level variations in Qinghai Lake under changing climatic conditions.The study utilized monthly mean water level data from 1959 to 2017， sourced from the Qinghai Lake Basin， in conjunction with meteorological and…
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Evaporation Variation and Driving Mechanisms in Hongjiannao Lake from 1980 to 2018
Hongjiannao Lake is the largest desert freshwater lake in China.In recent decades， the area of the lake has sharply decreased.The evaporation of the lake surface is the main factor consuming its water volume.Therefore， this paper aims to reveal the characteristics of evaporation changes and the…