supported by the Knowledge Innovation Program of the Chinese Academy of Sciences (KZCX2-YW-315-2);the National Natural Science Foundation of China (40701021 and 40625002);the National Key Technology R&D Program of China (2007BAC03A01)
Based on the reconstructed precipitation series in North China from historical documents, the 1876-1878 drought was identified as the most severe and extreme one in North China over the past 300 years. Meanwhile, the ...