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To provide scientific support for the rational development and utilization of thermal resources and avoid climate risks, the distribution of thermal resources in Qinghai-Tibet Plateau in the context of climate change was analyzed in this study. Based on meteorological data from 1961 to 2020 at 149 stations in Qinghai-Tibet Plateau, the changes in thermal resources over the past 50 years were analyzed using inclination rate analysis and Mann-Kendall inspection, combined with JAVA and Python programming. The results showed that: (1) the annual average temperature in Qinghai-Tibet Plateau shows an obvious warming trend, and the temperature increases greatly after the 1990s, with the climate tendency rate from 1961 to 2020 reaching 0.298 ℃/10 a. (2) The accumulated temperature and lasting days steadily above 0 ℃, 5 ℃ and 10 ℃ increased significantly, and the accumulated temperature increases were not entirely determined by the duration of the lasting days. (3) The beginning dates of accumulated temperature steadily above 0 ℃, 5 ℃, and 10 ℃ were generally advanced, while the deadlines were delayed, and the trend of early start dates was stronger than that of deadlines. In conclusion, this study shows that, in the context of global warming, thermal resources in Qinghai-Tibet Plateau have undergone substantial changes, which will play an important role in the introduction and extension of crops. © 2022 Science Press. All rights reserved. 相似文献
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