Daocheng Yu
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View article: Optimized processing of SWOT fast-sampling data for marine gravity recovery: lessons for the 21-day science phase
Optimized processing of SWOT fast-sampling data for marine gravity recovery: lessons for the 21-day science phase Open
View article: Automated Eddy Identification and Tracking in the Northwest Pacific Based on Conventional Altimeter and SWOT Data
Automated Eddy Identification and Tracking in the Northwest Pacific Based on Conventional Altimeter and SWOT Data Open
Eddy identification and tracking are essential for understanding ocean dynamics. This study employed the elliptical Gaussian function (EGF) simulations and the py-eddy-tracker (PET) algorithm, validated by Surface Velocity Program (SVP) dr…
View article: A new method for determining geoid gradient components from SWOT wide-swath data for marine gravity field
A new method for determining geoid gradient components from SWOT wide-swath data for marine gravity field Open
The Surface Water and Ocean Topography (SWOT) altimeter mission provides a significant opportunity to improve the accuracy of geoid gradients (GGs) and marine gravity fields. This paper presents a new method, namely LSA3, to determine the …
View article: Seabed Depth Prediction Using Multi-Scale Gravity Anomalies and Fully Connected Deep Neural Networks: A Novel Approach Applied to the South China Sea
Seabed Depth Prediction Using Multi-Scale Gravity Anomalies and Fully Connected Deep Neural Networks: A Novel Approach Applied to the South China Sea Open
Accurate seabed topography is crucial for marine research, resource exploration, and engineering applications. While deep learning techniques have been widely applied in seabed inversion, existing methods often overlook the multi-scale inf…
View article: Optimized Processing of Swot Fast-Sampling Data for Marine Gravity Recovery: Lessons for the 21-Day Science Phase
Optimized Processing of Swot Fast-Sampling Data for Marine Gravity Recovery: Lessons for the 21-Day Science Phase Open
View article: Seamount detection using SWOT-derived vertical gravity gradient: advancements and challenges
Seamount detection using SWOT-derived vertical gravity gradient: advancements and challenges Open
SUMMARY Launched on 2022 December 16, the Surface Water and Ocean Topography (SWOT) satellite, using synthetic aperture radar interferometric techniques, measures sea surface heights (SSHs) across two 50-km-wide swaths, offering high-resol…
View article: Analysing the impact of SWOT observation errors on marine gravity recovery
Analysing the impact of SWOT observation errors on marine gravity recovery Open
SUMMARY The wide-swath altimeter satellite Surface Water and Ocean Topography (SWOT) will provide high spatiotemporal resolution sea surface heights (SSHs), which is crucial for studying the impact of observation errors on marine gravity r…
View article: The Tikhonov-L-curve regularization method for determining the best geoid gradients from SWOT altimetry
The Tikhonov-L-curve regularization method for determining the best geoid gradients from SWOT altimetry Open
The Surface Water and Ocean Topography (SWOT) mission generates dense altimetry data that, when used in geoid gradient component estimations through least-squares collocation (LSC), lead to an ill-conditioned problem. Such problems also ar…
View article: Do disease status and race affect the efficacy of zoledronic acid in patients with prostate cancer? A systematic review and meta-analysis of randomized control trials
Do disease status and race affect the efficacy of zoledronic acid in patients with prostate cancer? A systematic review and meta-analysis of randomized control trials Open
Background Zoledronic acid (ZA) does not improve the overall survival (OS) of metastatic castration-resistant prostate cancer (mCRPC); however, little is known about the efficacy of ZA in to hormone-sensitive prostate cancer (HSPC), metast…
View article: Calibrating error variance and scaling global covariance function of geoid gradients for optimal determinations of gravity anomaly and gravity gradient from altimetry
Calibrating error variance and scaling global covariance function of geoid gradients for optimal determinations of gravity anomaly and gravity gradient from altimetry Open
With the advancements of satellite altimeter technology and data volume, the accuracy and spatial resolution of altimeter-derived marine gravity fields have been steadily improved. Ideally, a best marine gravity field from multi-altimeter …
View article: Gravity recovery from SWOT altimetry using geoid height and geoid gradient
Gravity recovery from SWOT altimetry using geoid height and geoid gradient Open
The Surface Water and Ocean Topography (SWOT) altimeter mission can measure high-resolution wide-swath sea surface heights (SSHs) that may greatly improve the current accuracy and spatial resolution of marine gravity from nadir-looking alt…
View article: High-resolution sea level change around China seas revealed through multi-satellite altimeter data
High-resolution sea level change around China seas revealed through multi-satellite altimeter data Open
Sea level change is not uniform across the oceans and high-resolution sea level trend (SLT) models reveal that the rate of sea level change differs between different waters. In this study, we developed a new method for obtaining a high-res…
View article: The 2021 gravimetric and hybrid geoid models for Taiwan and offshore islands: Application to a seamless vertical datum
The 2021 gravimetric and hybrid geoid models for Taiwan and offshore islands: Application to a seamless vertical datum Open
We construct the 2021 gravimetric and hybrid geoid models that cover the island of Taiwan and the offshore islands of Kinmen, Matzu, Penghu, Liuqiu, Lyudao, and Lanyu, where new gravity data and observed geoidal heights are available.The m…
View article: Magnitudes of Gravity Wave Pseudomomentum Flux Derived by Combining COSMIC Radio Occultation and ERA-Interim Reanalysis Data
Magnitudes of Gravity Wave Pseudomomentum Flux Derived by Combining COSMIC Radio Occultation and ERA-Interim Reanalysis Data Open
In the present work, dry temperature profiles provided by the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) radio occultation (RO) mission and the horizontal wind field provided by the European Centre for…
View article: On the Relationship between Gravity Waves and Tropopause Height and Temperature over the Globe Revealed by COSMIC Radio Occultation Measurements
On the Relationship between Gravity Waves and Tropopause Height and Temperature over the Globe Revealed by COSMIC Radio Occultation Measurements Open
In this study, the relationship between gravity wave (GW) potential energy (Ep) and the tropopause height and temperature over the globe was investigated using COSMIC radio occultation (RO) dry temperature profiles during September 2006 to…