Characteristics of Agricultural Meteorological Disasters in China from 1976 to 2015

doi:10.3969/j.issn.1000-6362.2017.08.002

Abstract

Abstract: Based on the statistical data from 1976 to 2015, the disaster rate, loss rate and levels of major agricultural meteorological disasters were calculated and analyzed, including flood, drought, hail and low temperature. The results revealed that, (1) in general, disaster-induced rate of major agricultural meteorological disasters decreased from 1976 to 2015 in China, while the trend of disaster-affected rate and no harvest rate were not significant. Drought was almost the same as the overall trend. The flood-induced rate, flood-affected rate and no harvest rate showed the characteristics of stage change, and the average of those three indicators from 1986-2005 was the largest. The hail falling trend was remarkable, and disaster-induced rate and disaster-affected were significantly reducing. However, the low temperature disaster rate of the 10-year average gradually increased. (2) The upper and lower limits of the overall loss rate increased first and then decreased, with an average loss rate of 7.1%-15.7%. Drought and flood showed the trends of increased first and then decreased, hail showed decreasing trend, while low temperature showed increasing trend. The average loss rate of drought, flood, hail and low temperature were 2.0%-4.2%, 3.8%-8.6%, 0.8%-1.7% and 0.5%-1.1% respectively. (3) The number of times of flood at severe level was the most, thus flood was a sudden disaster. Drought and hail were normal disasters with a high frequency.

Key words: Agricultural meteorological disasters, Characteristics, Loss rate, Disaster level

LIU Xiao, HE Xue-min, YOU Song-cai. Characteristics of Agricultural Meteorological Disasters in China from 1976 to 2015[J]. Chinese Journal of Agrometeorology, 2017, 38(08): 481-487.

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