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单词 QuikSCAT
释义
QuikSCAT

Space Exploration
  • A NASA satellite mission, the Quick Scatterometer, launched in June 1999 to measure wind speed and direction near the Earth's ocean surfaces. QuikSCAT studies interactions between the air and sea, movements and changes in the Arctic and Antarctic ice packs, and changes in rainforest vegetation. The data collected also improve weather forecasts near coastlines, as well as storm warnings and monitoring. In March 2002 it detected shifts in the Pacific winds that indicated the formation of the disruptive El Niño weather pattern. Antennae failure due to an ageing craft brought the mission to an end in 2009. A replacement satellite (ISS-RapidSCat) was launched in 2014 and ended a successful mission in November 2016.

    Measurements, taken over land and ice, are made by one instrument, the SeaWinds scatterometer, a specialized microwave radar that can make measurements in all weather and cloud conditions.


Geology and Earth Sciences
  • A NASA satellite that was launched on 19 June 1999 into an elliptical Sun-synchronous orbit at a maximum height of 800 km. The name is an abbreviation of Quick Scatterometer and the satellite carries the SeaWinds instrument, which is a specialized microwave radar that measures low-level wind speed and direction. The purpose of the mission is to gather all-weather, high-resolution measurements of near-surface winds, observe atmosphere–ocean interactions, study daily and annual changes in the Arctic and Antarctic sea ice, and study changes in rain forest vegetation. The resulting data will help improve weather forecasts in coastal areas and improve storm warning and monitoring. The mission was still operating in 2018.

    https://winds.jpl.nasa.gov/missions/quikscat/ Missions: QuikSCAT.


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