水文统计 meaning in English

hydrologic statistics
hydrological statistics

( 2 ) correlation analysis of the water and sand sedimentation and the coastline evolution . on the basis of the monitoring data , the relations was analysed by the combination of remote sensing data and coastline data with the ii hydrological data , and then gave out a forecasting of future development of coastline in the river mouth area
首先对黄河口来水来沙特征进行分析，然后以动态监测数据为依据，与水文统计资料相结合探讨了黄河口来水来沙与海岸线淤积、侵蚀的关系，最后对未来黄河来水来沙条件与海岸线的演变进行了简要分析。
Under support of remote sensing and gis , multi - temporal remote sensing data , terrain data and hydrological data were applied to the study on the coastline evolution of the delta since 1976 , which includes following parts : ( 1 ) study on the dynamic monitoring of the coastline
本文以多时相遥感影像数据、地形数据、水文统计数据等为主要数据源，以rs与gis技术为支撑，对1976年以来黄河三角洲海岸线的演变开展动态监测研究，着重研究了以下几个方面的内容：（ 1 ）海岸线动态监测研究。