نتایج جستجو برای: gravimeter isn
تعداد نتایج: 859 فیلتر نتایج به سال:
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Monitoring changes in the Earth’s gravity field for terrestrial water storage change (soil moisture, ground water, snow etc.) is a relatively new and novel concept that has been inspired by the Gravity Recovery And Climate Experiment (GRACE) satellite mission. GRACE will soon be providing time varying maps of the Earth’s gravity. However, there has been no field based study to demonstrate that ...
I present investigations of Earth dynamics with the superconducting gravimeter GWR T020 at Metsähovi from 1994 to 2005. As a necessary background, the history and key technical details of the installation are given. Then a new data acquisition system (DAS) developed by the author is described. It has proved reliable and accurate. A pre-requisite for the study of weak phenomena is the removal of...
We report on a field test of a transportable version of a superconducting gravimeter (SG) intended for groundwater storage monitoring. The test was conducted over a 6-month period at a site adjacent to a well in the recharge zone of the karstic Edwards Aquifer, a major groundwater resource in central Texas. The purpose of the study was to assess requirements for unattended operation of the SG i...
The information about Earth’s gravity field is an important basic necessarily for geodesy, geophysics, geodynamics and other disciplines. mapping of effective mean to obtain the information. Compared with surveying based on satellite, ship, airplane, vehicle-mounted has advantages strong flexibility, high spatial resolution accuracy. A short baseline or a small-scale can be realized combination...
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