کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4394418 | 1305534 | 2008 | 16 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of grazing and topography on dust flux and deposition in the Xilingele grassland, Inner Mongolia
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effects of grazing and topography on dust flux and deposition in the Xilingele grassland, Inner Mongolia Effects of grazing and topography on dust flux and deposition in the Xilingele grassland, Inner Mongolia](/preview/png/4394418.png)
چکیده انگلیسی
Dust deposition and dust remobilization are merged processes, which are difficult to separate during dust storms. Airborne sediments that originate from various source areas (supra-regional dust storms and local wind erosion) were distinguished by comparing vertical transport profiles. The average horizontal dust flux measured during the measuring campaign for below the height of 1 m was between 180 and 239 g mâ1 width and day. The average proportion of material transported by local wind erosion amounted to only 5% in grazed plots. Evidence of dust emission was found at all grazed sites (up to 0.8 g mâ2 dâ1) while ungrazed sites seemed well protected. The dust deposition rates on grazed and ungrazed sites were on average 1.3 and 2.4 g mâ2 dâ1, respectively. Leeward slopes had 29-33% higher deposition rates than windward slopes, summits and plane positions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Arid Environments - Volume 72, Issue 5, May 2008, Pages 792-807
Journal: Journal of Arid Environments - Volume 72, Issue 5, May 2008, Pages 792-807
نویسندگان
C. Hoffmann, R. Funk, R. Wieland, Y. Li, M. Sommer,