Furthermore, their tracks, source lands, incidences and weather types are determined in assistance with GIS.

In situ algae control in water source areas of eutrophicated lakes and reservoirs;

Analysis on water quality of water source area for the extension project of Langshan waterworks in Nantong City;

Water quality protection in water source area of Middle Route Project of South to North Water Transfer;

Water quality safety analysis of water source area of Honggang water plant;

Pollution risk of road transport to Jinpen reservoir water source of Heihe river;

The health risk assessment is introduced to assess the quality of water source provided for city,the cancer risk and hazard index are used to characterize the carcinogenic potential and chronic toxicity hazard of contaminants respectively.

Carbonate carbon measurement in sand storm and dust storm source identification;

Real-time monitoring system applied in key water sources of Beijing and Tianjin;

Current status of fresh water sources in Beijing;

On the basis of surveys on the basic situation of water sources in Cangzhou,it evaluated the security situation of different types of water sources with different indices and criteria,predicted the security condition of drinking water in the 2010 level year,pointed out the problems in the drinking water security in Cangzhou,and put forward the corresponding countermeasures.