Yibin Yao

Yibin Yao
Wuhan University | WHU ·  School of Geodesy and Geomatics

PhD

About

202
Publications
40,896
Reads
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2,916
Citations
Citations since 2017
154 Research Items
2687 Citations
20172018201920202021202220230200400600
20172018201920202021202220230200400600
20172018201920202021202220230200400600
20172018201920202021202220230200400600
Additional affiliations
January 2000 - March 2015
Department of Geophysics
Position
  • Professor (Full)

Publications

Publications (202)
Article
Full-text available
The total electron content (TEC) is an important parameter for characterizing the morphology of the ionosphere. Modeling the ionospheric TEC accurately during the storm time could contribute to the operation of global navigation satellite systems (GNSS), satellite communications, and other applications. This study uses an image-based convolutional...
Article
Full-text available
Since the orbit repeat cycle of Galileo satellites is about 10 days, existing spatial–temporal repeatability-based station multipath mitigation methods such as the modified sidereal filtering (MSF) and the multipath hemispherical map need more than one week of data in order to model the Galileo phase multipath correction. From this perspective, the...
Article
The global ionospheric model is the most effective way to study the structure and variation of the global ionosphere. However, the current global ionosphere maps (GIMs) have the defect of low spatiotemporal resolution and cannot reflect the short-term nonlinear changes and small-scale structures of the vertical total electron content (VTEC). This a...
Article
Full-text available
Using the data of 382 ground global navigation satellite system (GNSS) network stations in Western China, we studied and analyzed the ionospheric disturbances triggered by the “Long March” 2D rocket launch in Jiuquan, China on December 3, 2017. As compared with previous research, a higher sampling resolution for GNSS data (with a frequency of 1 Hz)...
Article
Full-text available
Global navigation satellite system (GNSS) signals are affected by refraction when traveling through the troposphere, which result in tropospheric delay. Generally, the tropospheric delay is estimated as an unknown parameter in GNSS data processing. With the increasing demand for GNSS real-time applications, high-precision tropospheric delay augment...
Article
Full-text available
Ionospheric diurnal double maxima (DDM) is a twin-peak pattern in the ionospheric electron density/total electron content (TEC) during the daytime. Understanding the characteristics of DDM is essential to study the physical mechanisms of the ionosphere. In this paper, the vertical TEC data (VTEC) in 2019-2020 derived from 537 globally distributed G...
Article
The determination of the amount of precipitable water vapor (PWV) from global navigation satellite system (GNSS) is restricted to a limited number of ground-based stations with low spatial resolution. The PWV obtained by the multi-source data fusion method has a low spatial resolution because of the low spatial resolution of the data used. Therefor...
Article
Different rainfall intensity have varying effects on human activity. Previous studies on rainfall forecasting using observations from global navigation satellite system (GNSS) mainly focused on whether rainfall occurred. However, forecasting rainfall with different grades is rarely investigated before, which becomes the focus of this paper. A strat...
Article
Full-text available
As an important technology for measuring water levels, satellite altimetry has been widely using in the lake, river, and wetland in the past two decades. However, the waveform pollution limits its application in areas with complex topography, the accuracy of the existing retracking algorithms need to be further improved. In this study, a new retrac...
Article
Full-text available
The GNSS ionospheric tomography technology plays a very important role in ionospheric detection, however, due to the insufficient or uneven distribution of observation data, the inherent ill-posed problem in the tomography model has become the main bottleneck restricting popularization and application of this technology, it is mainly shown that the...
Article
Full-text available
Zenith tropospheric delay (ZTD) plays an important role in high-precision global navigation satellite system (GNSS) positioning and meteorology. At present, commonly used ZTD forecasting models comprise empirical, meteorological parameter, and neural network models. The empirical model can only fit approximate periodic variations, and its accuracy...
Article
Rainfall is one of the key triggers of severe weather, such as floods and mudslides. It is difficult to forecast accurately and timely. With the extended application of global navigation satellite system (GNSS) into meteorology, existing methods have used GNSS-derived atmospheric parameters to forecast rainfall. However, low success rate and high f...
Article
Full-text available
The ionospheric mapping function (MF) converts the line-of-sight slant total electron content (STEC) into the vertical total electron content (VTEC) and vice versa, and it is an important function in the creation and use of ionospheric models. Most of the existing MFs are only related to satellite elevation angle, the accuracy is low, and it is nec...
Article
A severe flood occurred in the middle and lower reaches of the Yangtze River (MLYR) in 2020 and caused an obvious terrestrial water storage (TWS) increase. However, the process and cause of this flood have not been fully revealed. To address this problem, we use Global Land Data Assimilation System (GLDAS) -2.2 daily TWS data that assimilate Gravit...
Article
Full-text available
The three‐dimensional computerized ionospheric tomography (3DCIT) technique that fused multisource data is used to reconstruct the spatial distribution of tongue of ionization (TOI) appeared over Greenland during a moderate geomagnetic storm on 11 October 2010. The reconstruction results are validated with observations from the constellation observ...
Article
Precipitable water vapor (PWV) can be retrieved using various techniques, such as global navigation satellite system (GNSS), remote sensing, and numerical prediction model. However, the existing techniques cannot simultaneously obtain water vapor information with high precision and high spatial and temporal resolutions. This study proposes a multis...
Article
Full-text available
By using Qujing very high frequency radar (25.6°N, 103.7°E, magnetic latitude 16.1°N, magnetic longitude 177.0°E), daytime F region echoes were reported at equatorial ionization anomaly crest on 26 June 2020. Radar interferometry experiment was performed during the observation period. The observed results show that the spatial distributions of dayt...
Article
Full-text available
Water storage changes in the Three Gorges Reservoir (TGR) cause large mass variations on the Earth's surface, which inevitably influences crustal stability. The quantitative relationship between the water storage changes in the TGR and nearby crustal deformation has not been thoroughly investigated; as a result, the impacts caused by water loading...
Article
The Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO) observations, have been used to monitor the terrestrial water storage (TWS) change for almost 20 years. But the nearly 1-year gap between GRACE and GRACE-FO breaks the continuity of the observations, which influences the study on short-term TWS change and may introdu...
Article
The Gravity Recovery and Climate Experiment (GRACE) provided an entirely new way to measure mass changes on the Earth at unprecedented accuracy and resolution. However, the delayed launch of the GRACE Follow On (FO) mission led to an approximately 1-year gap between GRACE and GRACE-FO data, breaking the continuity of observation and hampering data...
Article
Full-text available
Ionospheric diurnal double-maxima (DDM) pattern is a special phenomenon of the ionosphere, which shows that the ionospheric electron density/total electron content (TEC) presents a two-peak structure during the daytime. This paper uses the Beidou geostationary (GEO) vertical total electron content (VTEC) data from the MGEX tracking stations in the...
Article
Full-text available
Global navigation satellite system (GNSS) water vapor (WV) tomography is a promising technique to reconstruct the three-dimensional (3D) WV field. However, this technique usually suffers from the ill-posed problem caused by the poor geometry of GNSS rays, resulting in underdetermined tomographic equations. Such equations often rely on iterative met...
Article
Full-text available
Global Navigation Satellite System-interferometric reflectometry (GNSS-IR) has become an important means to monitor soil moisture content (SMC). It works based on the assumption that the detrended signal-to-noise ratio (DSNR) sequence has a cosine waveform. However, when the signal reflection ground is undulating, its pattern may deviate from the a...
Article
Estimating precipitable water vapor (PWV) with high accuracy and spatial resolution is important in many disciplines. Water vapor absorption and non-absorption channels can be observed in the near-infrared (NIR) ray of the Moderate Resolution Imaging Spectroradiometer (MODIS), which can be used to retrieve PWV. However, traditional algorithms overe...
Article
To solve the ill-posed and accuracy problems experienced by global navigation satellite system (GNSS) computerized ionosphere tomography (CIT), this study proposes the use of the ionospheric profile data of COSMIC-2 as the initial scale factor to constrain GNSS data. At present, studies are lacking on long-term data volume statistics and accuracy a...
Article
Aerosol optical depth (AOD) is one of the basic parameters for determining the total aerosol content, and it exerts an important impact on regional environment pollution. To investigate the spatiotemporal variations of AOD, this study analyzes the relationship of AOD with precipitable water vapor (PWV) derived from a global navigation satellite sys...
Article
Precipitable water vapor (PWV), derived from the Global Navigation Satellite System (GNSS), has contributed significantly to rainfall forecasting. However, another key parameter, convective available potential energy (CAPE), is strongly correlated with increases in extreme rainfall under the background of global warming but has rarely been investig...
Article
Full-text available
Zenith tropospheric delay (ZTD) is one of the main error sources in space geodesy. The existing regional or global models, such as Global Pressure and Temperature 3 (GPT3), Global Tropospheric model (GTrop), Global Hopfield and SHanghai Astronomical observatory tropospheric delay model models, have good performance. However, the precision of these...
Article
As one of the important factors in atmospheric physical and chemical processes, aerosol optical depth (AOD) has an important impact on regional and global climate. Therefore, monitoring and predicting the temporal and spatial changes of AOD is of considerable significance. Existing methods mainly use a large number of meteorological parameters and...
Article
The El Niño–Southern Oscillation (ENSO) changes the air flow in the tropics, causing global droughts, floods, typhoons, and other natural disasters. Therefore, monitoring and forecasting of ENSO events effectively play an important role in disaster prevention and mitigation. This paper proposes a novel ENSO monitoring index using GNSS-derived zenit...
Article
Precipitable water vapor (PWV) is a crucial variable in water and energy transfers between the surface and atmosphere, and it is sensitive to climate and environmental changes. Among various PWV monitoring techniques, the European Centre for Medium-Range Weather Forecasts Reanalysis 5 (ERA5)-derived PWV, with a spatial resolution of 0.25 × 0.25°, h...
Article
Precipitable water vapor (PWV) is one of the key parameters in the evolution of extreme weather and climate change. However, current data fusion methods (such as Gaussian Processes, Spherical Cap Harmonics and polynomial fitting) can hardly obtain simultaneously the PWV map with high precision and high spatio-temporal resolution. To solve this prob...
Article
Precipitable water vapor (PWV) is a key element in the water and energy transfer between the surface and the atmosphere, especially in the Three-River Headwaters (TRH), which exhibits sensitive climate and hydrology. To overcome the limitations of missing data and poor accuracy of the moderate resolution spectral imager (MERSI) on-board the second-...
Article
Full-text available
Potential evapotranspiration (PET) is a key parameter for calculating drought monitoring index that is generally difficult to obtain. In addition, PET has low spatial resolution and can only be obtained at a site-based point. Therefore, retrieving PET with high precision, high spatial resolution, and less meteorological data becomes the focus of th...
Article
Full-text available
Plain Language Summary Ultralow frequency (ULF) waves with periods from 1 s to more than 10 min can interact with particles in the magnetosphere and affect the ionospheric electric field as well as the geomagnetic field. Determining how ULF waves propagate from the magnetosphere to the ionosphere, and ground, and how the wave power is distributed s...
Article
Full-text available
Accurate tropospheric delay (TD) and weighted mean temperature (Tm) are important for Global Navigation Satellite System (GNSS) positioning and GNSS meteorology. For this purpose, plenty of empirical models have been built to provide estimates of TD and Tm. However, these models cannot resolve TD and Tm variations at synoptic timescales since they...
Article
Full-text available
GNSS attitude determination has been widely used in various navigation and positioning applications, due to its advantages of low cost and high efficiency. The navigation positioning and attitude determination modules in the consumer market mostly use low-cost receivers and face many problems such as large multipath effects, frequent cycle slips an...
Article
Full-text available
Monsoon precipitation is the major driver of agricultural productivity in the Myanmar Coast; it is crucial to quantify and understand recent changes in precipitation during the monsoon season over this region. By using multiple precipitation datasets, we demonstrate that total precipitation during monsoon season over the Myanmar Coast has increased...
Article
The electron density structures of the seismo-traveling ionospheric disturbances (STIDs) during the Tohoku earthquake are reconstructed by applying the three-dimensional computerized ionospheric tomography (3DCIT) technique with a 30-s time resolution for the first time. The vertical distribution of 3DCIT results is consistent with the constellatio...
Article
Aiming at the urgent demands on (near) real-time ionosphere products, we study the near real-time (NRT) modeling of the global ionospheric total electron content (TEC) by IGS hourly data and introduce the Kalman filter (KF) to solve the model parameters. The main objective of this article is to propose an adaptive method for determining the KF proc...
Article
An extreme drought on record occurred in eastern China in 2019 and caused severe terrestrial water storage (TWS) deficits. It is important to understand this drought process and assess its impacts. We combine the Gravity Recovery and Climate Experiment (GRACE) observations and land surface model (LSM) outputs to thoroughly investigate this drought...
Article
Full-text available
From the aspect of global drought monitoring, improving the regional drought monitoring method is becoming increasingly important for the sustainable development of regional agriculture and the economy. The standardized precipitation conversion index (SPCI) calculated by the Global Navigation Satellite System (GNSS) observation is a new means for d...
Article
Interannual variability in the ice mass balance over the Antarctic Ice Sheet (AIS) is closely related to atmospheric circulation and has large impact on estimating the secular trends of mass change. However, the spatiotemporal patterns of the interannual mass balance over the AIS have not been well characterized and their connection with atmospheri...
Article
Terrestrial evaporation is the central link of land surface energy balance, which is very important for climate change, water cycle research and drought monitoring. Potential evapotranspiration (ETP) is an important form of ET, which play a significance for calculating standardized precipitation evapotranspiration index (SPEI). This paper proposed...
Article
Full-text available
There are a large number of excellent research cases in Global Navigation Satellite System (GNSS) positioning and disaster prediction in Japan region, where the simulation and prediction of total electron content (TEC) is a powerful research method. In this study, we used the data of the GNSS Earth Observation Network (GEONET) established by the Ge...
Preprint
Full-text available
Monsoon precipitation is the major driver of agricultural productivity in the Myanmar Coast, it is crucial to quantify and understand recent changes in precipitation during the monsoon season over this region. By using multiple precipitation datasets, we demonstrate that total precipitation during monsoon season over the Myanmar Coast has increased...
Article
Full-text available
As a crucial parameter in estimating precipitable water vapor from tropospheric delay, the weighted mean temperature (Tm) plays an important role in Global Navigation Satellite System (GNSS)-based water vapor monitoring techniques. However, the rigorous calculation of Tm requires vertical profiles of temperature and water vapor pressure that are di...
Article
Water vapor plays an important role in Earth’s weather and climate processes and energy transfer. Plenty of techniques have developed to monitor precipitable water vapor (PWV), but joint use of different techniques has some problems, including systematic biases, different spatiotemporal coverages and resolutions among different datasets. To address...
Article
Full-text available
Global navigation satellite system (GNSS) can provide dual-frequency observation data, which can be used to effectively calculate total electron content (TEC). Numerical studies have utilized GNSS-derived TEC to evaluate the accuracy of ionospheric empirical models, such as the International Reference Ionosphere model (IRI) and the NeQuick model. H...
Article
Previous studies on short-term rainfall forecast using precipitable water vapor (PWV) and meteorological parameters mainly focus on rain occurrence, while the rainfall forecast is rarely investigated. Therefore, an hourly rainfall forecast (HRF) model based on a supervised learning algorithm is proposed in this study to predict rainfall with high a...
Article
Atmospheric water vapour plays an important role in phenomena related to the global hydrologic cycle and climate change. However, the rapid temporal–spatial variation in global tropospheric water vapour has not been well investigated due to a lack of long-term, high-temporal-resolution precipitable water vapour (PWV). Accordingly, this study genera...
Article
Full-text available
Computerized ionospheric tomography (CIT) is an ill-posed inverse problem owing to insufficient data acquisition. Therefore, the ionospheric electron density (IED) distributions cannot be reconstructed accurately. Although many attempts have been made to deal with this issue, there is still a long way to go before it can be completely overcome. Spe...
Article
Full-text available
The irregular interannual variations observed in the Greenland ice sheet (GrIS) mass balance can be interpreted as stochastic. These variations often have large amplitudes, and, if not accounted for correctly in the mass change model parameterization, could have profound impacts on the estimate of the secular trend and acceleration. Here we propose...
Article
Full-text available
Global ionospheric total electron content (TEC) maps are widely utilized in research regarding ionospheric physics and the associated space weather impacts, so there is a great interest in the community in short‐term ionosphere TEC forecasting. In this study, the long short‐term memory (LSTM) neural network (NN) is applied to forecast the 256 spher...
Article
Full-text available
The three‐dimensional computerized ionospheric tomography (3DCIT) technique is used to reconstruct the spatial distribution of storm‐enhanced density (SED) based on the global positioning system total electron content measurements over the North American area during the 17 March 2013 storm. The reconstruction results are carefully validated with ob...
Article
Computerized ionospheric tomography is an important technique for ionosphere investigation. However, it is an ill-posed problem owing to an insufficient amount of available data, because of which the distributions of ionospheric electron density (IED) cannot be reconstructed accurately. In light of this, the ordered subsets-constrained algebraic re...
Article
Full-text available
Ionospheric delay is a crucial error source and determines the source of single-frequency precise point positioning (SF-PPP) accuracy. To meet the demands of real-time SF-PPP (RT-SF-PPP), several international global navigation satellite systems (GNSS) service (IGS) analysis centers provide real-time global ionospheric vertical total electron conte...
Article
Full-text available
We investigate an equatorial plasma depletion (EPD) event in Japan near the early morning sector (04:30-7:30 LT) during the recovery phase of a geomagnetic storm occurred on Memorial weekend (May 28) 2017 by using multi-instrumental measurements, including ground-based Global Navigation Satellite Systems (GNSS) network, ionosonde stations, and spac...
Article
Full-text available
Global navigation satellite system (GNSS) tomography can effectively sense the three-dimensional structure of tropospheric water vapor (WV) using the GNSS observations. Numerous studies have utilized a tomographic window to include more epochs of observations, which significantly increases the number of valid signals. However, considering the tomog...
Article
Precipitable water vapor (PWV) with high precision and high temporal resolution can be obtained based on the global navigation and positioning system (GNSS) technique, which is important for GNSS in disaster prevention and mitigation. However, the related studies on drought monitoring using PWV are rarely performed before, which becomes the focus o...
Article
Global Navigation Satellite System (GNSS) ionospheric tomography is a typical ill-posed problem. Joint inversion with external observation data is one of the effective ways to mitigate the problem. In this article, by fusing 3-D multisource ionospheric data, and improving the stochastic model, an improved GNSS tomographic algorithm MFCIT [computeri...
Article
Using the Global Navigation Satellite System (GNSS) differenced total electron content (dTEC) series, the traveling ionosphere disturbances (TIDs) of 22 typhoons registered in Taiwan/Japan between 2013 and 2016 were studied. The horizontal speed of the first TID during a typhoon landing can be estimated by a two-station method with the ionosphere a...
Article
Full-text available
The Global Navigation Satellite System (GNSS) tomographic technique can be used for remote sensing of the three-dimensional water vapor (WV) distribution in the troposphere, which has attracted considerable interest. However, a significant problem in this technique is the excessive reliance on constraints (particularly in large GNSS networks). In t...
Article
High-precision precipitable water vapor (PWV) can be obtained using the global navigation satellite system (GNSS). However, the spatial resolution of the GNSS-derived PWV is insufficient, particularly for areas without sufficient GNSS stations. Although other techniques, such as radiosonde sounding, can also be used to obtain PWV, generating PWV im...