| 英文摘要 |
This plan began in February 23th,2010, Until February 22th,2011, all of the work finish in time .We collected the aeronautical chart of Zhuoshui river. We found that sand area increased from 717 hectare in 2008 to 1,503 hectare in 2009 because of“Flood of August 8”,and then decrease to 895 hectare in 2010. So we compare the air quality data at Lunbei air quality monitoring station, and it show the reduction of the sand area that make the air quality better. The unhealthful days because of the suspended river sand have be counted 11 days in 2009, but only 1 day in 2010. We had finished the warning system in 2010,and applied to notice the people make self-protection. The system had worked 17 times in this year. Furthermore, we had finished 5 promotion meetings for people and 8 integrating meetings for local and center government. To protect the people from the suspending sand, we made windproof grid on TA-TUNG elementary school, and made plant area on YANG-XIAN Community by demonstration. We did eight routine sample work and two filled sample work to understand the particle ingredient, and in addition, apply the data and CMB model to see the contribution from sand suspending. We invite experts to provide more opinions for the issue on “2010 Zhuoshui River sand suspending controlled Conference”in February 17th,2011.
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