毛乌素沙地与浑善达克沙地水分深层渗漏特征对比

梁海荣, 王涛, 杨宇, 冯伟, 廉泓林, 刘雪锋, 李佳陶, 刘佳

Comparison of deep soil recharge characteristics between Mu Us Sandy Land and Hunshandake Sandy Land

Hairong Liang, Tao Wang, Yu Yang, Wei Feng, Honglin Lian, Xuefeng Liu, Jiatao Li, Jia Liu

表2 流动沙丘不同降雨量（渗漏量）日数分布特征

Table 2 Days characteristic of rainfall and deep soil leakage in mobile dunes

地点 年份 降雨 渗漏 总 日 数 日最大 降雨量 /mm 降雨日数/d,累积降雨量/mm 总 日 数 日最大 渗漏量 /mm 渗漏补给日数/d,累积渗漏量/mm ≤5 mm 5— 10 mm 10— 15 mm ≥15 mm ≤0.25 mm 0.25— 0.5mm 0.5— 1.0 mm ≥1 mm 浑善达克 沙地 2017 55 19.6 44,70.6 6,44.8 2,23.2 3,53.6 21 0.1 21,1.9 — — — 2018 66 34.6 47,64.8 12,92.0 3,37.6 4,99.6 141 0.6 126,12.5 9,2.8 6,3.2 — 2019 59 22.0 45,53.0 8,60.6 3,36.6 3,53.2 48 0.1 48,4.3 — — — 毛乌素 沙地 2013 83 38.0 61,83.0 9,69.6 3,36.8 10,216.2 178 14.2 120,18.2 22,8.7 12,7.9 29,111.9 2014 85 36.0 62,86.8 16,116.8 4,44.6 3,74.0 170 1.0 100,14.0 56,17.2 12,7.6 2,2.0 2015 75 20.2 58,70.4 8,60.2 6,69.4 3,56.4 77 0.5 76,6.8 1,0.5 —