Spatiotemporal Change of Future Agricultural Climate Resources in Northeast China
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Abstract:
By using the climate scenario data from the NorESM1M model, the changes of climatic resources in Northeast China are analyzed. The results show: under the scenarios of RCP2.6 and RCP8.5, the annual average temperature of Northeast China shows a rising trend in the 2020s and 2050s, and the rise is particularly significant in the northern part of Heilongjiang and the Lesser Khingan Mountains. The heat condition, reflected by the ≥10 ℃ accumulated temperatures, is improved, and the most significant increase in accumulated temperature occurs in Heilongjiang Province. The precipitation in the region remains essentially unchanged with a slight increase. Under the influence of increased temperature, the region shows a significant increase in evapotranspiration and a light decrease in humidity in the 2050s. Under the influence of improved heat condition and increased evapotranspiration, the length of the growing period of the region shows an increasing trend, increasing by an average of 12.4 days till the mid21st century.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.