Relative risk of surface water pollution by E coli derived from faeces of grazing animals compared to slurry application pptx
Relative risk of surface water pollution by E. coli derived from faeces of grazing animals compared to slurry application pptx
... examines some of the factors that in¯uence the relative risk of Escherichia coli pollution of surface waters from grazing animals compared to cattle slurry application. Drainage water from pipe-drained ... using tipping-bucket ¯ow meters. Flow weighted sampling devices provided water samples which were collected once or twice per week. The ®eld storage of...
Ngày tải lên: 15/03/2014, 23:20
Managing diffuse water pollution in South East Queensland: An analysis of the role of the Healthy Waterways Partnership docx
... be dependent on dissolved oxygen level, which is determined to an extent by the overall health of the aquatic ecosystem. There are several measures of the level of nitrogen present in a water ... driven by evidence that climate change will increase the frequency of these extreme events). The intense rainfall events that SEQ experiences also already encourage natural erosion...
Ngày tải lên: 06/03/2014, 15:21
Assessment of diffuse water pollution load from an urban catchment in India potx
... characteristics are given in table 2. One-litre representative sample was collected from the centroid of the entire zone. Samples were collected for three rain events in a time series (10 min interval) ... mapping of the existing areas is required. The paper presents event mean concentrations (EMC) for the physicochemical characteristics of the rainfall runoff generated from thr...
Ngày tải lên: 06/03/2014, 23:20
Perceived Effect of Industrial Water Pollution on the Livelihood of Rural Dwellers in Yewa Area, Ogun State,Nigeria ppt
... activities, effect of industrial water pollution were collected using a pretested structured questionnaire. The response rate was 95%. Five-point Likert-scaled items were used to measure the effect ... effect of industrial water pollution. Mean value of each item were generated and use to get the level of impact of the effect of industrial pollution on the rural dw...
Ngày tải lên: 06/03/2014, 23:20
Enhancement of Local Air Pollution by Urban CO2 Domes docx
... values of P, β, y 0 , and x th . Differences in health effects between two simulations were obtained by differencing the aggregated effects from each simulation determined from eq 1. The relationship ... without emCO 2 ) were run. The numbers in parentheses are average population-weighted changes for the domain shown. FIGURE 3. Scatter plots of paired-in-space one-year-averaged chan...
Ngày tải lên: 15/03/2014, 20:20
Water pollution and habitat degradation in the Gulf of Thailand ppt
... Green mussel larvae were also severely affected by red tides as they were unable to settle on the wooden poles during the outbreaks. This caused heavy losses to the shellfish industry during the ... outbreaks. 4. Trace metals contamination 4.1. Water sample There have been several reports on the levels of trace metals in the Gulf of Thailand. However, there is little evidence of s...
Ngày tải lên: 15/03/2014, 23:20
City clusters in China: air and surface water pollution ppt
... in each of these watersheds. A sustainable water strategy to support national socioeconomic development In 1995, the Central Government decided to further strengthen water resource development ... Lake (Figure 6). These were chosen as representative species for these two lakes, respectively, because approximately 95% of the critically endangered Siberian crane winter at Poyang L...
Ngày tải lên: 23/03/2014, 00:20
Hidden Consequences: The costs of industrial water pollution on people, planet and profit potx
... historic industrial water pollution. Two of these cases have been contributed by technical experts with an in-depth knowledge of the case concerned. These stories have taken decades to unfold, ... wastes. In the St Petersburg area, these are either discharged directly into the Neva River or directed to one of three large common effluent treatment plants. The solid waste (...
Ngày tải lên: 29/03/2014, 14:20