随着全球变暖，秋冻延期，北极南部冻土融化。
With global warming, the fall freeze comes later and more of the permafrost is melting in the southern Arctic.
该研究结果为河套灌区冻融土壤水热盐耦合模拟的研究和秋浇制度的制定提供了基础理论依据。
Research provides the foundation for the water-heat-salt coupling simulation on freezing-thawing soils and the establishment of autumn irrigation schedule in Hetao irrigation District.
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