Calibration Coefficients for the U.S. Geological Survey National Crustal Model and Depth to Water Table

The U.S. Geological Survey National Crustal Model (NCM) is being developed to include spatially varying estimates of site response in seismic hazard assessments....美国地质调查局（U.S. Geological Survey）国家地壳模型（NCM）目前正处于开发阶段，其研发目标是将地震危险性评估中场地响应的空间变异估计纳入模型范畴……