[1]何清,胡文峰,杨兴华,等.拐子湖地区沙尘天气风蚀起沙量的估算[J].水土保持研究,2012,19(01):6-10.
　HE Qing,HU Wen-feng,YANG Xing-hua,et al.Estimation of Dust Generation by Wind Erosion in Guaizihu Lake[J].Research of Soil and Water Conservation,2012,19(01):6-10.
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拐子湖地区沙尘天气风蚀起沙量的估算

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 19 期数: 2012年01期 页码: 6-10 栏目: 出版日期: 2012-02-20
Title:
Estimation of Dust Generation by Wind Erosion in Guaizihu Lake
作者:
何清1, 胡文峰1,2, 杨兴华1, 艾力·买买提明1, 赵聪敏1,2
1. 中国气象局 乌鲁木齐沙漠气象研究所, 乌鲁木齐 830002;
2. 新疆师范大学 地理科学与旅游学院, 乌鲁木齐 830054
Author(s):
HE Qing1, HU Wen-feng1,2, YANG Xing-hua1, ALI·Mamtimin1, ZHAO Cong-min1,2
1. Institute of Desert Meteorology, CMA, Urumqi 830002, China;
2. College of Geographical Science and Tourism, Xinjiang Normal University, Urumqi 830054, China
关键词:
拐子湖地区; 风蚀; 沙通量
Keywords:
Guaizihu Lake; wind erosion; sand flux
分类号:
P445+.4
摘要:
为研究沙尘暴中心在沙尘天气下风蚀起沙量和一些参数的具体情况，以巴丹吉林沙漠拐子湖地区一次沙尘天气过程为例，通过经验公式与野外仪器观测对比分析，对拐子湖地区风蚀起沙过程的一些参数进行了分析。结果表明：摩擦速度与风速成正相关，并影响着风蚀起沙量变化；临界摩擦速度为0.36 m/s；估算了平均顺风向沙尘通量和垂直沙通量分别为1.7E-02 kg/（m·s）和1.38E-07 kg/（m2·s），顺风向沙尘通量要远大于垂直沙通量。这些参数的得出对防风治沙有着重要的意义。
Abstract:
In order to study the dust generation by wind erosion and some parameters of the center of dust storm, a process of dust storm was monitored at Guaizihu Lake of Badan Jaran Desert. Some parameters of the process of sand wind erosion were analyzed by empirical formula and observation of field instruments. The results were that: Friction velocity was positively relationed to the wind speed, and the friction velocity affected the change of sand flux; the critical friction velocity was 0.36 m/s, the average horizontal sand flux and wind vertical sand flux were estimated as 1.7E-02 kg/(m·s) and 1.38E-07 kg/(m2·s), respectively. The horizontal sand flux was much larger than the vertical one. The obtained parameters have great significance to wind prevention and sand control.

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备注/Memo

收稿日期:2011-6-19;改回日期:2011-7-27。
基金项目:国家自然科学基金项目（41175017）；国家科技支撑计划课题2008BAC40B05-01）；公益性行业（气象）科研专项（GYHY201006012）；中国干旱气象科学研究基金（IAM201013）；中国沙漠气象科学研究基金（Sqj2010007）
作者简介:何清（1965- ），男，四川成都人，博士，研究员，主要从事沙漠气象研究。E-mail：qinghe@idm.cn

更新日期/Last Update: 1900-01-01