摘要
地面3D激光扫描仪是一种新型测绘仪器,能快速、高效和精确地获取测量目标的3D影像数据,突破了传统的测量和数据处理方法,赢得了全新的应用空间。本研究使用3D激光地貌扫描仪,在黑龙江地区典型黑土区进行径流小区人工降雨实验,通过测定小区内不同位置降雨前后土层厚度变化,结合降雨强度数据建立径流小区内土层厚度变化——降水强度模型。使用自然降雨下观测结果进行验证,认为本模型能够反映径流小区内不同位置土层厚度变化规律,具有一定的可靠性。
The terrestrial 3D laser scanner is a new mapping equipment to obtain the 3D image data of measuring target with the fast,efficient and accurate,which breaks the traditional methods of measurement and data processing and wins the new application space.By using the 3D laser geomorphology scanner,the test of artificial rainfall is carried out in the typical black soil region of Heilongjiang area.Based on the determination of soil thickness variation before and after precipitation in the different position of runoff plot,the model of soil thickness variation and precipitation intensity is built combined with the data of precipitation intensity.The observation results under the condition of the corresponding natural rainfall is verified that the model could reflect the variation law of soil thickness in the different position of runoff plot and has some reliability.
出处
《东北水利水电》
2011年第3期51-53,72,共3页
Water Resources & Hydropower of Northeast China
关键词
土层厚度变化
人工降雨
激光扫描
降水强度模型
径流小区
soil thickness variation
artificial rainfall
laser scanning
precipitation intensity model
runoff plot
