نتایج جستجو برای: gravity data
تعداد نتایج: 2464280 فیلتر نتایج به سال:
Abstract In this study, China’s first altimeter satellite Haiyang-2A (HY-2A) data combined observations from CryoSat-2, SARAL/AltiKa, and Jason-1&2 are used to calculate the global (60°S–60°N) marine deflections of vertical gravity anomalies named Global Marine Gravity Anomaly Version 1(GMGA1), with grid resolution 1? × 1?. The each derived gradients geoid height through least squares metho...
Coal mining subsidence seriously affects the mine natural and ecological environment. Leveling is the traditional method to monitor the coal mining subsidence. It is possible to monitor the subsidence by gravimetry instead of leveling based on the negative linear correlation between the gravity change and the height change. Equations are derived to monitor the subsidence by gravimetry in the pa...
We have derived a gravity field solution in spherical harmonics to degree and order 900, GRGM900C, from the tracking data of the Gravity Recovery and Interior Laboratory (GRAIL) Primary (1 March to 29 May 2012) and Extended Missions (30 August to 14 December 2012). A power law constraint of 3.6 ×10-4/ℓ2 was applied only for degree ℓ greater than 600. The model produces global correlations of gr...
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