Study on Spatial and Temporal Variation of Freeze-Thaw Index and Permafrost Distribution in Heilongjiang Province from 1971 to 2019

SONG Cheng-jie; ZHOU Yan-zhang; DAI Chang-lei; TU Wei-ming

doi:10.12396/znsd.241107

注：审图号：GS（2023）2766，底图边界无修改。

","magId":"a9e3bb56-1f6f-49fc-a86c-afbdf7054a92","labelCn":"图1","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F001.jpg.ppt","labelEn":"Fig.1","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F001.jpg","titleContentCn":"注：审图号：GS（2023）2766，底图边界无修改。","titleEn":"Fig.1 Distribution of the study area and meteorological stations","titleCn":"图1 研究区及气象站点分布","id":"F1","captionEn":"Distribution of the study area and meteorological stations ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F001.jpg"},{"captionCn":"年平均气温和地表温度的年际变化趋势 ","magId":"46b3c910-cf79-430f-93a6-c5d9b11c73e0","labelCn":"图2","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F002.jpg.ppt","labelEn":"Fig.2","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F002.jpg","titleEn":"Fig.2 Interannual trends of mean annual air temperatureand surface temperature","titleCn":"图2 年平均气温和地表温度的年际变化趋势","id":"F2","captionEn":"Interannual trends of mean annual air temperatureand surface temperature ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F002.jpg"},{"captionCn":"多年平均气温和平均地表温度空间变化 ","magId":"543729b2-79d3-43e9-a27c-4178073c0ede","labelCn":"图3","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F003.jpg.ppt","labelEn":"Fig.3","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F003.jpg","titleEn":"Fig.3 Interannual trends of mean annual air temperatureand surface temperature","titleCn":"图3 多年平均气温和平均地表温度空间变化","id":"F3","captionEn":"Interannual trends of mean annual air temperatureand surface temperature ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F003.jpg"},{"captionCn":"大气/地表冻融指数年际变化趋势 ","magId":"1b96c624-8461-4fd5-a126-b34a3200a7ff","labelCn":"图4","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F004.jpg.ppt","labelEn":"Fig.4","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F004.jpg","titleEn":"Fig.4 Interannual trend of air/surface freezing-thawing index in Heilongjiang Province","titleCn":"图4 大气/地表冻融指数年际变化趋势","id":"F4","captionEn":"Interannual trend of air/surface freezing-thawing index in Heilongjiang Province ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F004.jpg"},{"captionCn":"大气/地表冻融指数空间变化趋势 ","magId":"d50fe67d-8866-4de5-9aa9-de628999cfcd","labelCn":"图5","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F005.jpg.ppt","labelEn":"Fig.5","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F005.jpg","titleEn":"Fig.5 Spatial trends in air/surface freezing-thawing index","titleCn":"图5 大气/地表冻融指数空间变化趋势","id":"F5","captionEn":"Spatial trends in air/surface freezing-thawing index ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F005.jpg"},{"captionCn":"大气/地表冻融指数变化空间变化速率 ","magId":"33c03e1b-1699-479b-bbe4-07eb3b4770ee","labelCn":"图6","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F006.jpg.ppt","labelEn":"Fig.6","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F006.jpg","titleEn":"Fig.6 Spatial rate of change in air/surface freezing-thawing index variation","titleCn":"图6 大气/地表冻融指数变化空间变化速率","id":"F6","captionEn":"Spatial rate of change in air/surface freezing-thawing index variation ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F006.jpg"},{"captionCn":"多年冻土和季节性冻土年代际分布

注：0.5≤F<1表示为多年冻土；0≤F<0.5表示为季节性冻土。

","magId":"b1e6564f-8da4-4424-bd42-94b6ae281a3c","labelCn":"图7","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F007.jpg.ppt","labelEn":"Fig.7","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F007.jpg","titleContentCn":"注：0.5≤F<1表示为多年冻土；0≤F<0.5表示为季节性冻土。","titleEn":"Fig.7 Interdecadal distribution of permafrost and seasonal permafrost","titleCn":"图7 多年冻土和季节性冻土年代际分布","id":"F7","captionEn":"Interdecadal distribution of permafrost and seasonal permafrost ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F007.jpg"},{"captionCn":"代表站点地表冻融指数与影响因素相关性 ","magId":"421a78b0-fded-49af-812f-5e0326e4f649","labelCn":"图8","pptUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F008.jpg.ppt","labelEn":"Fig.8","figUrl":"1007-2284-2025--4-192/A27F9393-A14E-41d9-8458-43F28AB372C5-F008.jpg","titleEn":"Fig.8 Correlation of surface freezing-thawing index with influencing factors at representative sites","titleCn":"图8 代表站点地表冻融指数与影响因素相关性","id":"F8","captionEn":"Correlation of surface freezing-thawing index with influencing factors at representative sites ","thumbnailUrl":"1007-2284-2025--4-192/thumbnail/A27F9393-A14E-41d9-8458-43F28AB372C5-F008.jpg"}],"authorNotes_cn":["戴长雷（1978-），男，教授，博士，主要从事黑龙江（阿穆尔河）流域冻土水文地质方向的教学和科研工作。E-mail：daichanglei@126.com。"]}; 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