1979—2100年青藏高原夏季大气0 ℃层高度变化分析
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张怡, 段克勤, 石培宏
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Analysis of the 0 ℃ level height variation over the Qinghai-Tibet Plateau in summer from 1979 to 2100
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Yi ZHANG, Keqin DUAN, Peihong SHI
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表1 ERA5再分析资料和MIROC6模式数据与探空站数据夏季大气0 ℃层高度的误差指标 (m)
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Table1 1 Error index of the summer 0 ℃ level height between ERA5 reanalysis data， MIROC6 model data and radiosonde data
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| 合作 | 格尔木 | 都兰 | 西宁 | 玉树 | 甘孜 | 那曲 | 昌都 |
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| 平均值 | 探空站 | 5 037 | 5 126 | 5 136 | 4 885 | 5 497 | 5 517 | 5 833 | 5 638 | | ERA5 | 5 023 | 5 102 | 5 124 | 4 930 | 5 460 | 5 500 | 5 737 | 5 593 | MIROC6 校正前 | 4 970 | 4 946 | 4 996 | 4 875 | 5 320 | 5 389 | 5 627 | 5 428 | MIROC6 校正后 | 5 025 | 5 112 | 5 128 | 4 915 | 5 462 | 5 502 | 5 745 | 5 596 | | 相关系数 | ERA5 | 0.96 | 0.95 | 0.97 | 0.94 | 0.94 | 0.97 | 0.93 | 0.90 | | CMIP6 | 0.19 | 0.23 | 0.28 | 0.26 | 0.25 | 0.15 | 0.02 | 0.09 | | 绝对偏差 | ERA5 | -14 | -24 | -12 | 45 | -37 | -17 | -96 | -45 | MIROC6 校正前 | -67 | -180 | -140 | -10 | -177 | -128 | -206 | -210 | MIROC6 校正后 | -12 | -14 | -8 | 30 | -35 | -15 | -88 | -42 | | 相对偏差 | ERA5 | -0.28% | -0.47% | -0.23% | 0.92% | -0.67% | -0.31% | -1.65% | -0.80% | MIROC6 校正前 | -1.33% | -3.51% | -2.73% | -0.20% | -3.22% | -2.32% | -3.53% | -3.72% | | MIROC6校正后 | -0.24% | -0.27% | -0.16% | 0.61% | -0.64% | -0.27% | -1.51% | -0.74% |
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