GNSS Radio Occultation in Advanced Numerical Weather Prediction Models

被引：2
|
作者：
Bosch, Guillermo [1 ]
机构：
[1] Spire Global Inc, 33 Rue Sante zithe, L-2763 Luxembourg, Luxembourg
来源：
GEOMEDIA | 2019年 / 23卷 / 03期
关键词：
SPIRE; GNSS RADIO OCCULTATION; SMALLSATS CUBESTAS; LEO; TEC; NWP;
D O I：
10.48258/geo.v23i3.1642
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
GPS-Radio Occultation (GPS-RO), and generally, Global Navigation Satellite System Radio Occultation (GNSS-RO), is a technique that measures the refractivity of the Earth's atmosphere as a Low Earth Orbit (LEO) satellite listens to the radio signal of a GNSS satellite. As the signal between the two satellites travels through the different levels of the Earth's atmosphere, temperature and water vapor content can be derived at each occultation point, allowing for a new weather data-set to be available to meteorologists. In this article we describe the benefits of large-scale GNSS-Radio Occultation (GNSS-RO) as a method of gathering large amounts of extremely accurate atmospheric dam that exceptionally contributes to the performance of advanced numerical weather prediction (NWP) models.
引用
收藏
页码：34 / 37
页数：4
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