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The effect of wildfires
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In American prior to 1910 wildfires were considered part of the natural environment (Weeks 2013). However, according to Weeks (2013) this changed when large fires in Montana and Idaho destroyed large plots of land and left 87 people dead. The suppression techniques used after this point resulted in excessive build up of underbrush which in turn caused larger wildfires (Weeks 2013). As quoted by Weeks (2013) Stephen Pyne, who studies the historical impact of wildfires, says “to remove fire abruptly may be as serious a culture and ecological event as introducing it suddenly” (p 42). In the last century fires known as recurring surface burns have stopped, current fires reach the tree canopy and can destroy mature trees that a century ago would have been left slightly singed (Lenart 2006). It is true that the impact of fire suppression techniques should be taken as seriously as the impact of the wildfire itself when reviewing how to best handle these events.
I grew up in Arizona where large wildfires are an annual occurrence. During late summer the evening news is full of updates on what is occurring during that years “fire season”. When traveling through the state one can easily see where fires have burned as they leave behind many singed treetops and blackened fields. In recent years these fires seem to be increasing and the damage they cause appears to be more severe.
Some transitional sentence here This paper will look at the various wildfire suppression techniques currently used by firefighters and the impact they have on the surrounding environment. The first section will look how climate change is causing a trend of increased wildfire occurrences and intensity. The next section will look at three individual suppression tech...
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...nnually it is likely that this budget will continue to grow. In addition to the financial impact of wildfires, society needs to be conscientious of their surrounding environment. As wildfires increase the side effects caused by suppression efforts will continue to grow.
As discussed in this paper climate change is not only increasing the length of forest fire seasons but it is impacting their intensity as well. Wildfires affect on the environment is extensive and to some extent beyond human control. As they continue to grow their affect on climate change will continue as well which, as discussed previously, will likely result in even more intense wildfires. It is important that fire managers continue to utilize MIST guidelines and take into consideration what is best for their suppression goals as well as the environment when creating plans for wildfire containment.
It is so sad to see the horror of forest fires and how they corrupt our beautiful land. So much damage comes out of what started so small. At least 603 square miles of land were burned in the early stages of the Arizona fire only a couple of years ago (BBC 2). In a Colorado fire 2.3 million acres had been burned (BBC 3). That land could have been saved if the use of prescribed burns had been in the area.
Malibu and Yosemite share similar ecosystem, which encourages wildfires and periodic firestorms. In his book Ecology of Fear, Mike Davis argues that Malibu should burn because wildfires are a part of its history. To illustrate his point, he relates numerous historical events from the first settlement of the region to modern days. Despite the high frequency of wildfires in Malibu, humans have continued to settle there in droves. Those settlers have fought the fires, which has done nothing but augment their intensity. Unlike Malibu, with its populated areas that have been damaged by wildfires, Yosemite benefits greatly from wildfires. Yosemite’s ecosystem has evolved with wildfires; indeed, without wildfires, Yosemite would lose its uniqueness. Also, Yosemite is not as heavily populated as Malibu, so fires in Yosemite would not affect humans to the same degree that they do in Malibu.
Fire plays a huge role in natural forests. The let it burn policy allows natural fires to burn unless, they threaten people, property, or endangered species. This policy allows the years and years of kindling that has fallen and piled up on the forest floor to burn up in smaller fires, instead of having huge devastating fire like the ones that burning for months in 1910 and 1988. When the west was first settled, forests were thinned by lumber companies that logged the trees and burned the logging debris, and by ranchers looking to increase pasture land. The last herder coming out of the mountains would set a fire to ensure good forage for the next year.
Australia is currently the driest continent in the world and has a vast history of fire to prove it. Bushfires in the Adelaide Hills were first described and recorded in 1827, and have occurred at frequent intervals since that time. Fire weather can reach extremes in places such as Rudall River National Park in NW Western Australia. Temperatures are often above 40 degrees Celsius (104 degrees Fahrenheit), dew points can drop to —37 degrees Celsius, and the winds, uninhibited by trees, can reach speeds of 50-60 km/h (31-37 mph) at any given time in the year. The fuels there may appear to be completely dead, and gaps between plants may be a meter or more (Gill, 1995). In 1966 a massive fire at Brooyar, Queensland had flame heights of 20-25 meters (65-82 feet). In addition to being devastating, the fires are also very unpredictable. A bushfire in the Baulkham Hills in January of 1975 completely destroyed property and some homes, while leaving others untouched. Serious fires occur in the Dandenog Ranges at frequent intervals, and housing there has always been a difficult problem with fire control [3]. Fire has also been used for centuries as an important tool for land management (O’Neill, 1993).
First, a fire suppression system must be considered. Specific devices would need to be installed to detect and response to fire, potential fire, or combustion danger (Whitman, pg. 480). These suppression systems work by eliminating environmental elements (temperature, oxygen, and fuel) that are needed for fire to burn. Therefore, the system should include a water mist system to reduce temperature, a CO2 system to remove oxygen and a soda acid system to prevent fuel to a fire.
Wildfires started as an annual and seasonal occurrence in the south western region of California since the early 1930’s in part because of the hot dry summers and the hot dry turbulent Santa Ana winds that blow in from the desert during the fall months. Now it has become a yearlong event (Mckay, 2010). These conditions greatly contribute to the “fire season” throughout this area. This set of circumstances in conjunction with downed power lines and humans that ignited fires took place in October of 2007. This led to a series of fires that burned more than 500,000 acres, destroyed 1,500 homes, killed 9, injured 85, and forced the successful evacuation of around 500,000 people out of harm’s way.
Policies regarding the handling of wildland fires continue to change and evolve as new information is learned each fire season. Attitudes have changed between complete wildland fire suppression to no suppression at all. We now seem to have reached a balance between the two schools of thought and fall somewhere in the middle.
The City of Detroit, Michigan, seems to be a city on the decline in America. Job prospects some of the lowest in the country and one of the only cities to be shrinking, rather than growing. There are a lot of problems Detroit is facing, one of them is there incidence rate for fires. Detroit is the number one city in America for house fires, not to mention their high rate of fires in the many vacant buildings throughout the city. There are many socioeconomic factors with the city that make the incident rates rise, and response less effective.
Collins, Suzanne. Catching Fire. United States: Shmoop University, 2014. Shmoop. Web. 20 Jan. 2013. .
In 1973, one of the most influential reports to ever come out of the fire service was created. This report would change the fire service forever and still to this day have a great impact on the way things are done in the fire service. One of the most impacted sectors within the fire service is the way firefighters perceive and implement fire prevention strategies and techniques. This report was called “America Burning” and was published by the National Commission on Fire Prevention and Control. The report was sent directly to the president of the United States of America, who at the current time was Richard
Fires kill plants and trees leaving wildlife without homes and food. Large fires cause lots of smoke and air pollution.
Prescribed fires are a well debated topic. While many people support them because they "help prevent" more wildfires, and they are "controlled," I see from a different point of view. There's a reason most building don't allow smoking within a certain distance of the building. Many people don't like it and it can damage their health. Same thing with prescribed fires. They add more pollution to the air we breathe. I know a lot of people support these kinds of fires because the help control fuels, but there are other ways.
Forest fires kill many animals and usually destroy a large amount of land. Prescribed burns seem like they would be the best idea, but are they? Their claim to fame is to clear out land in order to decrease the burning space for when an actual forest fire occurs. Yet this may seem like a brilliant idea, but one must look at the negative aspects of controlled burnings. People might have a change of heart when they realize the damages and effects of such an interesting act. Keep in mind that not only is your health involved but even such things as the inconvenience of dealing with a smoky town. It is important to understand that prescribed burns cause severe health problems especially to firefighters; these are concerning carbon monoxide poisoning, visibility issues and health risks that will affect the future.
Fire at any level can be devastating, yet the effects that wildfires have on every worldwide country really has left its mark on the land. As written by world renowned wild fire spokesperson Smokey the Bear, “Every year, wildfires sweeps through parts of the United States setting wilderness and homes ablaze. On average these raging infernos destroy about four to five million acres of land a year. But in 2012, wildfire burned more than 9.3 million acres, an area about the size of Massachusetts and Connecticut combined” (U.S. Wildfires). Destroying homes, crops, towns and of course forests. Yet the effects of these fires can be seen from a negative perspective as well as some positive. Plus there are natural causes as well as manmade that makes these destructive fires erupt and become almost unstoppable in seconds.
The Forest fire is occurring very frequently nowadays, reasons for it are a heavy increase in global warming and an increase in temperature.