版权所有:内蒙古大学图书馆 技术提供:维普资讯• 智图
内蒙古自治区呼和浩特市赛罕区大学西街235号 邮编: 010021
出 版 物:《NASA Conference Publication》 (NASA Conf Publ)
年 卷 期:1979年第2116期
页 面:281-296页
核心收录:
学科分类:0810[工学-信息与通信工程] 08[工学] 081501[工学-水文学及水资源] 0815[工学-水利工程] 0813[工学-建筑学] 0814[工学-土木工程] 0825[工学-航空宇航科学与技术]
摘 要:Substantial progress has been made in applying remote sensing data from spacecraft to water-resources management and hydrologic problems. Landsat-D and the primary instrument, the thematic mapper, offer substantial potential for providing improved information for a wide range of applications. In particular, significant technological advantages are: the spatial resolution (30 meters in the reflected solar-radiation bands) and the greater spectral coverage (seven bands) and narrower bands relative to previous Landsat instruments, and the radiometric resolution (256 versus 64 levels over the sensor dynamic range). Technological advances such as that typified by Landsat-D and planned microwave sensors indicate that significantly more applications to water-resources studies are possible.