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Between January and May 2011, southern China suffered perhaps the most severe drought since 1954. This investigation was carried out based on OLR (Outgoing Long‐wave Radiation) data derived from NOAA/AVHRR satellite observations, precipitation records at 753 meteorological stations in China and NCEP reanalysis data during 1990 and 2011. This was done by first calculating the January to May climate...
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