Full Length Research Paper
Abstract
Turkey is located on one of the world’s seismically most active regions. In such a region, a geodetic network evaluation may not satisfy standards ordered by national regulations. In such a way, effects of active fault lines should be taken into consideration apart from possible reasons, such as outliers, shortcomings of functional and stochastic models, in a computational procedure. This study deals with the evaluation of the Bursa Metropolitan Area (BMA) basic GPS network. The precisions of the network observations were quite better than the tolerances of the Turkish regulation. However, the adjustment was resulted in the model test failure. Investigations showed that the problem was caused by the effects of the active faults on the region. To solve the problem, an approach regarding the fault lines was applied.
Key words: Geodesy, geodetic networks, adjustment, active faults.
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