Results 71 to 80 of about 5,214,012 (158)

A China-Specific Near-Real-Time GNSS Water Vapor Retrieval Model Based on LightGBM

open access: yesRemote Sensing
Atmospheric water vapor is a key atmospheric variable that regulates weather variability, the hydrological cycle, and climate processes. GNSS-based water vapor retrieval provides an effective approach for continuous and near-real-time monitoring of ...
Mingchen Zhu   +4 more
doaj   +1 more source

PRECIPITABLE WATER VAPOR DAN CARA PENENTUAN NILAINYA

open access: yes, 2016
Uap air merupakan komponen atmosfer yang jumlahnya sangat berlimpah, sehingga memainkan peranan penting dalam iklim dunia. Jumlah uap air yang jika dikondensasikan di dalam kolom pada luas tertentu disebut sebagai precipitable water vapor atau PWV ...
Saipul Hamdi
core  

An Elevation-Coupled Multivariate Regression Model for GNSS-Based FY-4A Precipitable Water Vapor

open access: yesRemote Sensing
The measurement of atmospheric moisture content is essential for the monitoring of severe weather events and hydrological studies. This paper proposes a multivariate linear regression correction model that integrates elevation data with Global Navigation
Yaping Gao   +5 more
doaj   +1 more source

Assessing the Performance of Water Vapor Products from ERA5 and MERRA-2 during Heavy Rainfall in the Guangxi Region of China

open access: yesAtmosphere
Precipitable water vapor (PWV) is a crucial factor in regulating the Earth’s climate. Moreover, it demonstrates a robust correlation with precipitation. Situated in a region known for the generation and development of tropical cyclones, Guangxi in China ...
Ning Huang   +4 more
doaj   +1 more source

Enhanced Retrieval of Precipitable Water Vapor Over Land: An Approach for Algorithmic Improvement and Performance Assessment

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Precipitable water vapor (PWV) is a critical variable for monitoring extreme weather events, particularly precipitation. Accurate retrieval of PWV is therefore essential in hydrology and meteorology.
Morteza Rahimpour, Taha B. M. J. Ouarda
doaj   +1 more source

Método de estimación del vapor de agua precipitable, por detección remoto, mediante el sistema de posicionamiento global (GPS) con aplicación en el mejoramiento del pronóstico del estado del tiempo en la ciudad de Bogotá, D.C. [PDF]

open access: yes, 2012
La implementación de las técnicas geodésicas mediante el uso del GPS, están siendo aplicadas en la estimación del vapor de agua precipitable a través de la determinación de las distancias entre los satélites y receptores por medio de las observaciones ...
Šverko Navarrete, Mirovan
core  

Estimating daily potential evapotranspiration using GNSS-based precipitable water vapor. [PDF]

open access: yesHeliyon, 2023
Pipatsitee P   +4 more
europepmc   +1 more source

An Analysis of the Precipitable Water Vapor Observed over the PIMO GPS Station [PDF]

open access: yes, 2007
Remote sensing of the atmosphere using Global Positioning Systems has been made possible with the derivation of the precipitable water vapor (PWV) from the tropospheric wet delay experienced by the signal propagation.
Villarin, J. T., Cruz, F. T.
core  

An Airborne G-Band Water Vapor Radiometer and Dropsonde Validation of Reanalysis and NWP Precipitable Water Vapor over the Korean Peninsula

open access: yesRemote Sensing
Accurate representation of Precipitable Water Vapor (PWV) in numerical models is critical over the meteorologically complex Korean Peninsula, yet validation remains a challenge.
Min-Seong Kim, Tae-Young Goo
doaj   +1 more source

Exploring Precipitable Water Vapor (PWV) Variability and Subregional Declines in Eastern China

open access: yes
In recent years, China has experienced growing impacts from extreme weather events, emphasizing the importance of understanding regional atmospheric moisture dynamics, particularly Precipitable Water Vapor (PWV), to support sustainable environmental and ...
Jiayu Xiong   +6 more
core   +1 more source

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