Construction Industry And Construction Of Construction

The main issues to be discussed are the degradation of the land including the salinity, soil erosion and land contamination and the other issue to be discussed involves waste including littering and landfill.

Many economic concerns have been brought up due to the harvesting of timber, mining and reservoir operations. Erosion has stripped the thin soil cover and caused silting of streams. Reservoir operations disrupted fisheries by changing the temperature and the patterns of the streams and how they flow.

Any rainfall increases fluvial erosion. When rain does fall, this creates ephemeral streams causing water erosion due to fast forces of water. Flash floods are possible as well creating even more erosion.

Soil erosion threatens soil fertility due to nutrient and organic matter loss, while also decreasing water quality through increased turbidity (umich.edu). During the last dust bowl in the 1930's more than 30 million hectares were severely damaged in parts of Texas, Kansas, Oklahoma, and Colorado (umich.edu). The Dust Bowl was primarily caused by the two factors of: 1) loss of long rooted grasses due to the plowing of the prairies and 2) a period of relative drought (umich.edu).

This total erosion is a result of a number of factors caused by both natural and human activity.1

Extensive amounts of litter were observed both in (figure 8) and around the creek, this aspect of human interaction clearly is degrative within this environment Increased flood risk due to surface impermeability this disrupts the water cycle and increases subsequent erosion

Like the rivers, there are signs of creek bank degradation and there is also a huge accumulation of sediment within these vital waterways. Dredging is currently underway to combat this build-up of sediment (Schwecke, Simmons and Maheshwari 2007). The reintroduction of native trees and groundcover should be considered to reduce the rate of erosion along the banks. The addition of sewerage and storm water treatment facilities has been positive and should be done in association with constant water quality

This project proposes that the stream banks be corrected from their current state of severe soil erosion. Some of the walls of soil surrounding the stream can reach approximately 1.8 meters in depth. Where the runoff drain meets the stream can even reach up to approximately 2.6 meters. The walls of the stream bank are a vault of in situ soils slowly restoring themselves to low sloping conditions through more erosion. This is an indicator that there has been extreme down cutting as result of stream channelization.

Human-environmental interaction contributes to processes that affect fluvial environments. Indeed, impervious surfaces are ubiquitous in urban areas; these anthropogenic surfaces reroute runoff (among other things), which can ultimately impact the morphology, water quality, vegetation, and floodplain soils of a local watershed if it is near an urban area. Similar to the above example, because of the complexities associated with

Aspects of the data I have collected suggests that the by removing vegetation and trees, the soil becomes less compact and it all just washes up the river which Increases the riverbed and bank erosion, as either direct or indirect results of river sand and gravel extraction, will release sediments into the river system. Most of the finer sediments like sand or clay that are released from erosion of banks will be transported downstream, often for considerable distances. In these areas this can cause problems to navigation; bury and destroy sea grass beds, which are important for fisheries production, and adversely impact on flooding in the

Tillage practices can results erosion and sedimentation within the Upper Wabash River Watershed. When erosion occurs sediment is carried into the water causing sedimentation. The water becomes cloudy due to sedimentation when the soil particles suspend within the water column. The soil particles can also clough

In addition to potential impacts on human and aquatic life, sedimentation can also physically impact the hydraulic system. Physical impact associated with mining includes the filling of deep pools that can result in the loss of habitat and temperature increases [EPA 35]. Excess sediment can build up behind dams and raise reservoir water levels. In addition to this, sedimentation can also cause the channel to widen and become shallower. Thus, increasing the frequency of overbank flow [EPA

The construction industry like many other industries has changed and evolved with time. It is the fourth largest contributor to Australia’s GDP and has played a major role in determining economic growth of the country. In terms of employment, the industry has employed 9% of the Australian workforce making it the fourth largest industry (ABS data).

Generally human errors are divided into six different categories according to the different functions carried out in an industry and they are: -

Human error is a primary factor that makes organisational accidents unavoidable. Human error is defined as a human decision or action in which