Sensor Improvements for the ONR Ocean-Bottom Seismometers

9712900多尔曼这个仪器开发项目将评估和调整一种新的地震计传感器(PMD Science)，以用于一套海底地震仪(OBS)，这些地震仪是在一个共享设备池中维护的。新的传感器将把OBSS的有效频率范围扩展到0.03赫兹频率。改进的传感器将使这些仪器在远震研究、面波和横波研究以及海底剪切模数的顺应性测定方面更加有用。研究人员将购买和评估七个新的传感器，为每个传感器制造压力罩，并为它们开发新的调平系统。

9712900 Dorman This instrumentation development project will evaluate and adapt a new seismometer sensor (the PMD Scientific) for use in a suite of Ocean Bottom Seismometers (OBS) that are maintained in a pool of shared use equipment. The new sensors will extend the useful frequency range of the OBSs down to 0.03 Hz frequency. Improved sensors will make the instruments more useful for teleseismic studies, surface-wave and shear-wave studies, and for compliance determination of the seafloor shear modulus. The investigators will purchase and evaluate seven new sensors, fabricate pressure housing for each, and develop a new leveling system for them.