中文摘要：

以中国大陆构造环境监测网络2010~2011年实测重力水平梯度数据为基础,通过正演计算3种典型地形的水平梯度,与实测结果进行对比分析。结果表明,半数以上测点存在较大的水平梯度,由此产生的干扰会极大地降低观测结果的精度与可靠性。因此,有条件的测点应进行水平梯度观测并进行校正。

英文摘要：

Based on actual measurement of gravity horizontal gradient data from the crustal movement observation network of China （CMONOC） in 2010 and 2011, and by means of a forward modeling tri- al, the research analyzes the influences of three typical geographies on horizontal gradient. The com- parison of actual measurements and trial results show that half of the measuring points have high hori- zontal gradient values and that the resulting interference is too great to ignore. Otherwise, it will greatly reduce the accuracy and reliability of the observations. Therefore, the research supports that we pay attention to the influences of horizontal gradient on gravity measurement. Furthermore, we should take effective measures to weakenthese influences, through conditional electionof some points for horizontal gradient observation and correction.