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Soil erosion and deforestation
Soil erosion and deforestation
Deforestation and soil erosion
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The floods in Indonesia are a big annual problem for the poorest areas along rivers especially in East Java along the Bengawan Solo. The impact is not only on their houses, but their lands, their plantation fields, their animals and also the infrastructure within the villages. This means that every year they have to rebuild, renovate and replant all that has been destroyed due to the floods, leading to big financial losses. The villages near the Solo River are not protected for future floods, and few or very little changes have been done to adapt the villages to cope with future floods. Floods have been more frequent and voluminous during the last decade, most likely because of deforestation. This is one of the biggest reasons why the Bengawan Solo has floods yearly. The deforestation makes the erosion of the land in- crease and the impacts from the floods are then bigger. The resulting mudslides caused by deforestation are another impact causing a lot of problems. To avoid the erosion of the land and the mudslides, trees and other plants with long root systems can be planted along the river bank to decrease the floods, the natural reasons such as rain and the morphology of the river is one factor of the floods. People in the villages are used to the floods and don ́t see the floods as a problem, and they have adapted their lives, houses and crops to the yearly floods. But in my view the houses need to be better adapted to the floods, for example when the flood hits the house, the toilets also overflows, so the interior as well as the exterior has to be better adapted to avoid as many impacts as possible.
Although, flooding is large-scale global problem, there are only three “key players” or agents that can either make or break a ...
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...ages drainage canals has to be built and dug all over the village, so when the floods hit the village the water can run freely through the drainage canals, this to lessen the impact on the roads and the cultivation field, in order to avoid too much damage. This is a cheap solution to avoid some damages caused by the floods. Since many villagers use the river for washing, cleaning, disposal of garbage, and sometimes as a toilet, I propose to build small public facilities where the villagers can wash clothes, wash their dishes, take a bath, dispose of garbage, and also provide toilets. Also, there should be a proposal for the drainage to be dug next to plantation fields so the drainage canals can be used as irrigation together with the drainage canals. There should be drainage along the roads and pathways as well, to lessen the impact when the flood hits the villages.
Case study: the flooding that occurred in Minden Hills in the spring of 2013, flooded the downtown core. The picturesque cottage town has the Gull River flowing through it. The river overflowed in April because of many reasons: a couple of days of rain, the third largest amount in over a century, but it also happened because the frost in the ground stopped the water from going into the Earth, the lakes and rivers being full from the spring thaw, and the rapid
A major flood on any river is both a long-term and a short-term event, particularly any river basin where human influence has exerted "control" over the ri...
Federal Emergency Management Agency’s article, “Benefit of Dams” (2012) analyzes how dams prevent flooding by releasing the excess water in controlled amounts through floodgates (¶ 3).
manmade levees, dikes, and other flood control measures, is a case in point. In a
Currently, over half of the world’s population lives in urban based areas (Owrangi et al, 2014), and this increase in population is expected to contribute to further increases in flood risks (ibid). Vancouver has achieved rapid socioeconomic development due to the increased employment opportunities and growth rates, directly stressing local natural resources by increasing population and urbanization (Owrangi et al, 2014).
In August of 2005, Hurricane Katrina slammed into the Gulf Coast, leaving its signature of destruction form Louisiana all the way to Florida. The hardest hit area and the greatest catastrophe was in the city of New Orleans, Louisiana. For many years the people of New Orleans had feared that one day a hurricane would drown their city with its storm surge. Katrina brought that nightmare storm surge and flooded the city. Yet the New Orleans levees system and flood control was the major cause of flooding, due to the inadequate repair and maintenance failure, incompletion of the levee system, and engineering designs based on outdated scientific data.
Few disasters in history were able to be as easily prevented and had such a large causality figures as the Johnstone Flood which occurred in 1889. In is an incident that few people know about but has had a significant impact on how we look at preparedness and mitigation in the Emergency Management field.
and while they may generate a lot of rainfall in a short time it is
... upon solution to water access disagreements, social and political powers must be willing to compromise since the risks associated with disagreements regarding water allocation may be too great. As stated by Shiyyab (2004), “If sustained over a period of time, these problems will directly affect social harmony, domestic stability and eventually, regional peace.” (p. 30). Investments must be made by industry as well as local and national governments for purification of wastewater so that clean water, when needed, will be available. The necessity of obtaining water is a fundamental human right and,
Memphis Tennessee floodings are awful events, but some have left their mark in history, and have impacted society making many people search for solutions. Historical flooding events have dated back beyond 1927, but Memphis’s first calamitous flood was in 1927, then in 2011, but between those dates there have been street floods that happen without interacting with the river. Many important aspects of everyday life are lost during floods such as lives, homes, and money. People have been searching for solutions to prevent floods, and ideas that are executed well could easily become an ideal panacea. Memphis is where I have been raised and experienced several floods, which gives me a much stronger feeling about the history, impacts, and techniques to stop floods.
McDonald, M., & Brown, K. (2000). Soil and water conservation projects and rural livelihoods: options for design and research to enhance adoption adaptation. Land Degradation and Development, Vol. 11 Number 4
Michener, William K. and Haeuber, Richard A., Bioscience. American Institute of Biological Science. Sep98. Vol. 48. Issue 9. p677.
...ments. Geospatial technologies, such as LiDAR, can assist in mapping the flood vulnerability of particular areas. There is a wealth of information from the federal agencies, such as flood hazard maps developed by FEMA and sea level rise calculators. This information can also be used proactively to identify locations where restoration could be most effective and to discourage development in areas that still have their natural coastlines in tact. In some cases, structures can be updated to be more hurricane and flood proof by as using stronger materials and building at higher elevations. Buildings can also be designed to allow flooding to occur with minimal damage. Another alternative is to actually relocating people and buildings in the most high-risk areas. This will be exceedingly difficult as population increases and demand for coastal development is on the rise.
Water purification and a wastewater treatment plants would be necessary in order to provide the citizens and visitors with clean healthy water. To prevent flooding, this city was built on flood plains.
„X Accelerate access to water and sanitation with particular attention to those currently not reached in both urban and rural areas. Efforts will be concentrated on improving the management and allocation of resources and ensuring that access to water and sanitation services enhances health and sustainable livelihoods for the poor.