Results 1 to 10 of about 2,395 (187)

Establishment and Evaluation of Atmospheric Water Vapor Inversion Model Without Meteorological Parameters Based on Machine Learning [PDF]

open access: yesSensors
Precipitable water vapor (PWV) is an important indicator to characterize the spatial and temporal variability of water vapor. A high spatial and temporal resolution of atmospheric precipitable water can be obtained using ground-based GNSS, but its ...
Ning Liu   +3 more
doaj   +2 more sources

Multi-technique analysis of precipitable water vapor estimates in the sub-Sahel West Africa [PDF]

open access: yesHeliyon, 2018
Precipitable water vapor (PWV) is an important climate parameter indicative of available moisture in the atmosphere; it is also an important greenhouse gas.
Oluwasesan A. Falaiye   +4 more
doaj   +2 more sources

Application of GNSS Methodologies to Obtain Precipitable Water Vapor (PWV) and Its Comparison with Radiosonde Data [PDF]

open access: yesProceedings, 2019
A processing methodology with GNSS observations to obtain Zenith Tropospheric Delay using Bernese GNSS Software version 5.2 is revised in order to obtain Precipitable Water Vapor (PWV). The most traditional PWV observation method is the radiosonde and it
Raquel Perdiguer-López   +2 more
doaj   +2 more sources

Precipitable Water Vapor (PWV) Estimation from GNSS Modelled Tropospheric Delay: A case of SURVNET and IGS Stations in Uganda.

open access: yesAfrican Journal on Land Policy and Geospatial Sciences
Context and background  The Lake Victoria basin in Uganda is prone to frequent weather extremes, including floods and droughts, which have devastating impacts on agriculture, water resources, and human settlements.
Brian Makabayi, Hans Mark Sentamu
doaj   +2 more sources

GNSS-DERIVED PRECIPITABLE WATER VAPOR MODELING USING MACHINE LEARNING METHODS [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
Atmospheric water vapor plays a vital role in phenomena related to the global hydrological cycle and climate changes, and its Spatio-temporal modeling and prediction help to identify and predict climatic phenomena.
S. Izanlou   +2 more
doaj   +1 more source

Validation of FY-3D MERSI-2 Precipitable Water Vapor (PWV) Datasets Using Ground-Based PWV Data from AERONET [PDF]

open access: yesRemote Sensing, 2021
The medium resolution spectral imager-2 (MERSI-2) is one of the most important sensors onboard China’s latest polar-orbiting meteorological satellite, Fengyun-3D (FY-3D). The National Satellite Meteorological Center of China Meteorological Administration has developed four precipitable water vapor (PWV) datasets using five near-infrared bands of MERSI ...
Yanqing Xie   +7 more
openaire   +2 more sources

GLOBAL POSITIONING SYSTEM PRECIPITABLE WATER VAPOR INTERPOLATION USING INVERSE MULTIQUADRIC, ARTIFICIAL NEURAL NETWORK AND INVERSE DISTANCE WEIGHTED [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
Precipitable water vapor (PWV) is one of the most critical data in many meteorological departments. This component has great spatial and temporal changes, so the global positioning system (GPS) always seeks to increase the accuracy of estimating the ...
S. Chamankar   +2 more
doaj   +1 more source

Correlation Analysis of GNSS-Derived Precipitable Water Vapor (PWV) with Rainfall Data in Indonesia

open access: yesIOP Conference Series: Earth and Environmental Science, 2023
Abstract GNSS (Global Navigation Satellite Systems) have become an important tool for various activities related to positioning, such as navigation, construction projects, and deformation measurement. Additionally, GNSS can also estimate Precipitable Vapor Vapor (PWV) for meteorological purposes.
Azhari Barbarosa   +4 more
openaire   +1 more source

Observation of Atmospheric Water Vapors Using AIRS [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2009
The Atmospheric Infrared Sounder (AIRS) aboard the Aqua satellite, which is one of the Earth Observing System satellites managed by National Aeronautics and Space Administration, provides global measurements of the water vapor in the atmosphere using ...
Jihyun Ha   +3 more
doaj   +1 more source

Assimilation of GNSS PWV with NCAR-RTFDDA to Improve Prediction of a Landfall Typhoon

open access: yesRemote Sensing, 2022
Precipitable water vapor (PWV) retrieved from ground-based global navigation satellite system (GNSS) stations acquisition signal of a navigation satellite system provides high spatial and temporal resolution atmospheric water vapor.
Haishen Wang   +7 more
doaj   +1 more source

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