watershed boundary中文什么意思

分水界

流域边界

• watershed:    〔英国〕分水岭；〔口语〕流域。
• boundary:    n. 边界，疆界，限界 (betwe ...
• agricultural watershed:    农业集水区; 农业流域

例句与用法

1. ( 2 ) the construction of the digital watershed . this study extracted watershed drainage network , set off sub - watersheds and made certain watershed boundary . and this study also extracted some parameters about hydrology and terrain based on dem
   在数字高程模型( dem )的基础上，进行了流域河网的生成、子流域的划分以及流域边界的生成研究，并进行了与地形相关、具有水文学意义的部分参数的提取。
2. Dem has abundant information about terrain , and we can extract the watershed basic characters , which include land surface characters , drainage network et al based on gis , and also can make certain the watershed boundary and set off sub watersheds from dem , which provide the flat roof for digital hydrological simulation
   数字高程模型( dem )存储了丰富的地形信息，通过gis可以提取流域的基本特征，包括下垫面特征、水系、河网等，并可以依据河网等级确定流域的边界，进行子流域的划分。为数字水文模拟提供了平台。