A Lifetime Radiometric Calibration Record for the Landsat Thematic Mapper

摘要

A coordinated effort on the part of several agencies has led to the specification of a definitive radiometric calibration record for the Landsat-5 Thematic Mapper (TM) for its 17-year lifetime since launch in 1984. Analogous work for the Landsat-4 TM, launched in 1982, is in progress. The time-dependent calibration record for Landsat-5 TM has been placed on the same radiometric scale as the Landsat-7 Enhanced Thematic Mapper Plus (ETM+). Once implemented operationally, the lifetime radiometric calibration record for Landsat will facilitate the examination of a continuous, near-global data set at 30-m scale that spans almost two decades.