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Two-Step Precipitable Water Vapor Fusion Method

IEEE Transactions on Geoscience and Remote Sensing, 2022
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 problem,
Qingzhi Zhao   +4 more
openaire   +1 more source

A Drought Monitoring Method Based on Precipitable Water Vapor and Precipitation

Journal of Climate, 2020
Abstract Precipitable water vapor (PWV) with high precision and high temporal resolution can be obtained based on the global navigation and satellite positioning system (GNSS) technique, which is important for GNSS in disaster prevention and mitigation.
Qingzhi Zhao   +4 more
openaire   +1 more source

Increasing trend of Precipitable Water Vapor in Antarctica and Greenland

2022
<p>Polar precipitable water vapor (PWV) is expected to increase under a warming climate. However, the conventional approach cannot provide sufficient long-term PWV records due to the high maintenance costs. Fortunately, the exponential explosion in the number of geodetic-quality Global Navigation Satellite System (GNSS) stations has ...
Junsheng Ding, Junping Chen, Wenjie Tang
openaire   +1 more source

Inversion of precipitable water vapor in Hongkong

2008 International Workshop on Earth Observation and Remote Sensing Applications, 2008
GPS data of August in 2004 obtained from 4 sites in Hong Kong GPS/MET network has been used to inverse the precipitable water vapor. The inversed GPS integrated water vapor has 1.44 mm RMSE and 0.97 mm BIAS compared with that from radiosonde data in Hong Kong Observatory, which shows good agreement between them.
null Jingjing Xu   +3 more
openaire   +1 more source

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