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- W1975776520 abstract "The Landsat 7 mission is the first of the Landsat series of remote sensing satellites to employ automated techniques of cloud cover avoidance in its mission of acquiring a global database of high resolution (15-30m) multi-spectral images. Cloud avoidance enables the mission to concentrate its limited assets toward the acquisition of higher quality scenes by repelling away from scenes where there is higher than nominal predicted cloud density. Thus, the mission has higher probability of acquiring scenes of greater value for land use studies. The timely availability of reliable global cloud cover forecasts from the National Centers for Environmental Prediction (NCEP) makes this operationally feasible. This paper will describe the general implementation and mission operational considerations for employing cloud avoidance in daily mission planning and scheduling. The algorithms employed in the scheduler’s priority computations will be described, along with the proof of concept in the form of modeled and actual results obtained by Landsat 7 against the historical cloud contamination statistics obtained by other remote sensing satellites in its class. The paper will also describe the cloud cover prediction methods currently employed by NCEP as well as plans for future enhancements to the cloud prediction model. In conclusion, the paper will explore the applicability of employing cloud avoidance in future, and possibly existing, remote sensing satellite missions." @default.
- W1975776520 created "2016-06-24" @default.
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- W1975776520 date "2000-08-23" @default.
- W1975776520 modified "2023-09-23" @default.
- W1975776520 title "Cloud cover avoidance in space-based remote sensing acquisition" @default.
- W1975776520 doi "https://doi.org/10.1117/12.410357" @default.
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