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长江上游沱沱河源区多年冻土发育特征
周华云1,2(), 刘广岳1,2, 杨斌3, 邹德富1, 赵林2,4(), 杜二计1,2, 谭昌海3, 陈文3, 杨朝磊3, 文浪3, 旺扎多吉3, 张浔浔3, 肖瑶1, 胡国杰1, 李智斌4, 谢昌卫1, 汪凌霄4, 刘世博1,2
Characteristics of permafrost in Tuotuo River source area of upper Yangtze River
Huayun ZHOU1,2(), Guangyue LIU1,2, Bin YANG3, Defu ZOU1, Lin ZHAO2,4(), Erji DU1,2, Changhai TAN3, Wen CHEN3, Chaolei YANG3, Lang WEN3, Duoji Wangzha3, Xunxun ZHANG3, Yao XIAO1, Guojie HU1, Zhibin LI4, Changwei XIE1, Lingxiao WANG4, Shibo LIU1,2

图3. TTH-18与TTH-19岩芯照片和地温曲线:TTH-18(a)和TTH-19(b)钻孔地表以下6 m深度内岩芯照片;TTH-18岩芯在14.0~14.1m的地下冰照片(c);(d)和(e)分别是(a)和(b)红色框放大图;TTH-18和TTH-19的地温曲线(观测时间均为2021年5月11日,成孔时间分别为2020年10月28日和2020年11月19日,护孔方法均为填土法)(f)

Fig. 3. Core photos and geothermal curves of TTH-18 and TTH-19: core photos of TTH-18 (a) and TTH-19 (b) at a depth of 6 m below the surface of the borehole; TTH-18 core photo of ground ice at 14.0~14.1 m (c); (d) and (e) are enlarged views of red boxes (a) and (b) respectively; geothermal curves of TTH-18 and TTH-19 (both observation time May 11th, 2021, and the hole-forming times are October 28th, 2020 and November 19th, 2020, respectively, and the hole protection methods are all filling methods) (f)