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Effects of wildfires on ecosystems
Climate change in california bartleby
Climate change in california bartleby
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Over the years, the amount of fires occuring in South California have been massive. In 2003, 376,237 acres in San Diego burned, killing 16 people. In these fires, San Diego County spent 43,230,826 replacing the 3241 structures that were destroyed. 4 fires in Southern California occured within Ausust 21st through August 25th in 2013. The amount of wildfires in South California has been increasing. These fires often go long enough without being noticed, and when they are noticed, they have most likely expanded into a larger problem. Fires have been killing off a good portion of the life in South California and something needs to change in order to keep the environment alive. It is much easier to stop a fire from becoming a big …show more content…
IC Temperature Sensors agreed that there is a major diversity of how thermal sensors read the heat, for example, a thermometer measures temperature with mercury rising as heat increases, showing the temperature on the side. However, thermometers only measure the temperature when it is close up to the heat source. Thermographic sensors are long ranged temperature measuring devices which makes them more ideal for this experiment. Thermographic sensors read the temperature using thermograms. Thermograms show a variety of different shades of color depending the temperature. The temperature is based off a number of different variables such as thermal radiation (2007). Thermal sensors that use thermography have many uses that they were created for. Thermal sensors are used in the military to detect explosives frequently. The marines use thermography to spot enemies also. Thermography is not only used by the military, it is also used for medical reasons such as detection of breast cancer (Flir Threat Detection, …show more content…
Thermography is used frequently with thermograms to study distributions of heat for predictive and preventive purposes (2013). Thermograms measure heat distributions with thermal radiation. The thermograms read temperatures and give a feed of either a black and white picture, or a multi colored picture that represents heat signatures. These signatures are mixtures of emitted energy, transmitted energy, and reflective energy that make a picture of incident energy which is the profile of the heat signatures being read by the thermograms (Signori Infosciences 2010). According to Western Area Power Administration, in thermography, the brighter colors will be spots that are warmer compared to the rest of the image, and the spots that are colder tend to show up in darker shades of blue. These thermograms are engendered by specific types of thermal sensors
David Clay Large, Between Two Fires: Europe's Path in the 1930s (New York: W.W. Norton & Company, 1990).
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.
Nano-thermal analysis methods are also known as micro-thermal procedures and they use the principle of characterizing highly localized materials on a micrometer. The characterization is then changed from a micrometer scale to a sub-micrometer scale with the temperature being regulated to the specified units. The application of nano-thermal analysis methods started towards the end of the 20th century. Although it has been applied in several other fields including microelectronics, its application in pharmaceuticals has not been that popular.
The Blackwater fire of 1937 was a forest fire that occurred when a lightning strike ignited a tree in the Shoshone National Forest. It lasted for 6 days and killed 15 people, injuring a further 38; David P. Godwin (investigator of the fire) said,“not since 1910 have so many lives been lost on a single national forest fire”. The fire consumed a total of 1700 acres of forest woodland1 in this time. The Blackwater fire’s dire effect therefore resulted in the methods of firefighting that were used at this time being reviewed and updated to try to make firefighting safer for those involved in combating fire.
On July 10, 2001 four U.S Forest Service Firefighters died while battling the thirty mile fire. Six others injured including two hikers. The thirty mile fire was the second deadliest fire in Washington state history.
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.
I found that my thermometer was slightly inaccurate, due to my measurements. Nothing is exact or perfect, but the thermometer is very close to accurate, being off in between 0.1-1°. This taught me that you cannot always trust a thermometer. The work has to be done by you individually to know what is really going
Fires kill plants and trees leaving wildlife without homes and food. Large fires cause lots of smoke and air pollution.
Measure and record the temperature of the water in the Styrofoam cup. Leave cardboard cover on until the heated metal is ready to be transferred into the calorimeter.
Human beings cause most wildfires, directly or indirectly. In the United States lightning, the only truly natural cause is responsible for less than 10% of all such fires. In the West, lightning is the primary cause, with smoking (cigarettes, matches, and such) the second most frequent. Combined they account for 50 to 75% of all wildfires. In the “13 southern states (Virginia to Texas) the primary cause is arson; this combined with smoking and debris burning makes up 75% of all wildfires” (Perry, 1994). The other causes of wildfires are machine use and campfires. Machine use includes railroads, logging, sawmills, and other operations using equip...
- Temperature was measured after and exact time i.e. 1 minute, 2 minutes, 3 minutes.
Then, placing the thermocouple in the test tube to monitor the temperature by the labQuest. After a couple of readings of the solution in the hot bath, the test tube with the thermocouple inside it, should be transferred to the ice bath to monitor the temperature for a fixed length of time while the reading still running. This method should have been performed for all the trails with no additives for the trail
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.
Wildfires are catastrophic disasters that destroy everything in their path. “A wildfire (also known as forest fire, grass fire, vegetation fire, etc) is an uncontrolled fire often occurring in wild land areas, but which can also consume houses or agricultural resources.” (Wildfire.) The causes of wildfires are mostly intentional, negligence or accidents and natural causes. Wildfires have three distinct phases: Initiation, propagation, and extinction. This phenomenon affects our ecosystem, such as air and earth. In addition, people who witness this kind of catastrophe in the lower cases they lose belongings as houses or cars, but they can also lose their lives. There are many campaigns that help prevent these phenomena, but they need the help of the entire community. It is very important take care of not cause an accident. Wildfire is a phenomenon very common on these days causing a terrible damage to our environment and we have to prevent its expansion through our help, cooperation and prudence...