干旱区滴灌水盐调控改良重度盐碱地棉田的包气带水分运移分析
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周田田, 韩冬梅, 宋献方, 马英, 张应华
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Water movement through unsaturated zones in the severe saline-alkali cotton fields in inland arid regions underwater and salt regulation by drip irrigation
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Tiantian ZHOU, Dongmei HAN, Xianfang SONG, Ying MA, Yinghua ZHANG
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| 表4 花铃期试验田不同深度土壤水分来源的贡献比例 |
| Table 4 Contribution ratios of each source to soilwater at different depths of the experiment field during blossom and boll perriods |
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| 年/月/日 | 100cm | | 120cm | | 150cm | | 180cm | | 260cm | | δ2H/‰ | | 灌溉水 | 降水 | | δ2H/‰ | 灌溉水 | 降水 | δ2H/‰ | 灌溉水 | 降水 | δ2H/‰ | 灌溉水 | 降水 | δ2H/‰ | 灌溉水 | 降水 | | 2010/08/20 | -76.0 | 56.8 | 43.2 | | -93.7 | 78.6 | 21.4 | | -91.2 | 75.6 | 24.4 | | -81.6 | 63.7 | 36.3 | | -70.5 | 50.0 | 50.0 | | 2010/08/21 | -75.7 | 56.4 | 43.6 | -91.5 | 76.0 | 24.0 | -91.5 | 75.9 | 24.1 | -76.4 | 57.3 | 42.7 | -71.9 | 51.7 | 48.3 | | 2010/08/22 | -76.1 | 57.0 | 43.0 | -92.6 | 77.3 | 22.7 | -90.2 | 74.4 | 25.6 | -78.3 | 59.6 | 40.4 | -70.3 | 49.7 | 50.3 | | 2010/08/23 | -76.0 | 56.8 | 43.2 | -93.6 | 78.5 | 21.5 | -94.1 | 79.1 | 20.9 | -80.1 | 61.9 | 38.1 | -74.8 | 55.3 | 44.7 | | 2010/08/24 | -78.0 | 59.3 | 40.7 | -95.2 | 80.5 | 19.5 | -93.8 | 78.8 | 21.2 | -79.5 | 61.2 | 38.8 | -75.2 | 55.8 | 44.2 | | 2010/08/25 | -78.7 | 60.1 | 39.9 | -92.6 | 77.3 | 22.7 | -91.9 | 76.5 | 23.5 | -79.8 | 61.5 | 38.5 | -73.8 | 54.1 | 45.9 | | 2010/08/26 | -78.0 | 59.3 | 40.7 | -94.0 | 79.0 | 21.0 | -93.0 | 77.8 | 22.2 | -80.0 | 61.8 | 38.2 | -73.7 | 53.9 | 46.1 | | 2010/08/27 | -77.7 | 58.9 | 41.1 | -94.0 | 79.1 | 20.9 | -93.9 | 78.8 | 21.2 | -80.1 | 61.9 | 38.1 | -74.0 | 54.3 | 45.7 | | 2010/08/31 | -80.1 | 61.9 | 38.1 | -93.7 | 78.6 | 21.4 | -94.2 | 79.2 | 20.8 | -79.1 | 60.7 | 39.3 | -73.4 | 53.6 | 46.4 | | 2010/09/01 | -78.9 | 60.4 | 39.6 | -94.0 | 79.0 | 21.0 | -93.9 | 78.9 | 21.1 | -78.8 | 60.3 | 39.7 | -73.2 | 53.3 | 46.7 | | 2010/09/02 | -79.5 | 61.1 | 38.9 | -94.1 | 79.2 | 20.8 | -94.5 | 79.6 | 20.4 | -79.8 | 61.5 | 38.5 | -74.0 | 54.3 | 45.7 | | 2010/09/03 | -78.6 | 60.0 | 40.0 | -93.1 | 77.9 | 22.1 | -93.0 | 77.8 | 22.2 | -78.1 | 59.4 | 40.6 | -74.5 | 54.9 | 45.1 | | 2010/09/04 | -75.8 | 56.5 | 43.5 | -88.4 | 72.1 | 27.9 | -92.8 | 77.5 | 22.5 | -77.7 | 58.9 | 41.1 | -74.9 | 55.4 | 44.6 | | 平均值 | -77.6 | 58.8 | 41.2 | -93.1 | 77.9 | 22.1 | -92.9 | 77.7 | 22.3 | -79.2 | 60.7 | 39.3 | -73.4 | 53.6 | 46.4 |
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