منابع مشابه
Sea Level Monitoring Using a Gnss-based Tide Gauge
A continuous monitoring of sea level changes is important for human society since more than 50% of the world’s population live within 60 km of the coast. Sea level is traditionally observed with tide gauges that give measurements relative to the Earth’s crust. To improve the understanding of sea level changes it is necessary to perform measurements with respect to the Earth’s center of gravity....
متن کاملMonitoring sea level change at Cascais tide gauge
Sea level change (SLC) real-time monitoring has being developed and improved for the Portuguese tide gauge, based in FTP access to the internet server of the Portuguese geographical institute. A software application, named MareVB and in development since 2008, gets a 3 minute stream input of sea level height and a 10 minute stream input of air-pressure. Based on a predicted tide model, the sea ...
متن کاملModeling regional sea level rise using local tide gauge data
Currently regional mean sea level trends and variations are inferred from the analysis of several individual local tide gauge data that span only a long period of time at a given region. In this study, we propose using amodel to merge various tide gauge data, regardless of their time span, in a single solution, to estimate parameters representative of regional mean sea level trends. The propose...
متن کاملTime-Frequency Analyses of Tide-Gauge Sensor Data
The real world phenomena being observed by sensors are generally non-stationary in nature. The classical linear techniques for analysis and modeling natural time-series observations are inefficient and should be replaced by non-linear techniques of whose theoretical aspects and performances are varied. In this manner adopting the most appropriate technique and strategy is essential in evaluatin...
متن کاملA Gnss-based Tide Gauge for Local Sea Level Monitoring
It is important for human society to continuously monitor the sea level, since more than 50% of the world’s population live within 60 km of the coast [1]. Moreover, global climate change is believed to result in the melting of large masses of ice in Polar Regions. This will bring freshwater into the ocean [2] and thus change the sea level [3]. The traditional way to observe sea level is with ti...
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ژورنال
عنوان ژورنال: Nature
سال: 1872
ISSN: 0028-0836,1476-4687
DOI: 10.1038/005501e0