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Why is it that some places flood and others don’t? We’re a sprawling desert city, and our rainfall is usually less than 7 inches per year. These cookies do not store any personal information. Hurricanes, clogged drainages, and rainfall are some of the conditions that have led to flooding in various regions across the globe. Two children stood at the raised end of each table and tipped watering cans onto the tables to see how quickly the water descended – and how it went down into the ‘valley’ below. Extreme and heavy rainfall more than the drainage system can take causes of floods. Articles about science, health, history, geography, etc. It causes snow melting floods. Increase in the inflow of water into rivers and lakes is caused by heavy rainfall that occurs at some point along their course with the heaviest effects being felt downstream where the river starts to flatten out and slow down. How Many Religions are There in the World. These are just a few examples of common causes of floods, but there does not need to be an incredible weather event for you to experience flooding at your home. There are several factors that can cause floods. Many conditions result in flooding. Flooding also takes place when snowmelt or rainfall runoff cannot be channeled ap… Learn about one of nature’s most powerful forces! We can simply say a flood is a too much water that soil can’t absorb. The problem is, sometimes that rain can come in the form of powerful monsoon storms. – Trees maintain the soil structure, while deforestation increases erosion and makes the land less ‘permeable’ (less able to soak up water), – Straight rivers speed up water descent, while meandering ones slow it down, – Plants hold the water back, while water rushes off concrete or paved built-up areas. Flooding also takes place along the lake and coastal shorelines, when higher than normal water levels inundate low-lying areas. But why did it happen? Ices at the top of the mountains melt when the temperature rises. While you wait for it to be checked and approved why not to add Well, in the aftermath of the floods, teachers at Hebden Bridge School invited local kids to find out…. Thanks for sharing your thoughts about cause. During the rainy season, we can see heavy rainfall. In particular, it is due to high rainfall intensity over a prolonged period. “First, we discussed how features in a landscape can influence the way water descends from the high lands into valleys where flooding occurs,” Anil explained. Two tables were set up at 30° angles with waterproof bags at the bottom to collect water. Most flooding occurs when the volume of water in a river or stream exceeds the capacity of the channel. As rainwater reaches and fills the river channels, the water spreads on the floodplain or the land next to the river and causes flooding. You’re leaving natgeokids.com to visit another website! “The children were able to understand why the water came down the valley so quickly and why it contributed to the recent floods,” Anil says. Rain is the leading contributor to most of the flooding cases witnessed across the world. Info Curiosity is focused on all kind of information that satisfy your curiosity. In these cases, rainfall can last for at least two to four days. Too much rain causes water to flow overland contributing to flooding. Sometimes in a very short period of rain can cause floods. Get messy, explore and appreciate nature, all from the safety of home! On the other hand, a house located in a river or a lake is a danger of being flooded if the water level rises. 2020 © Info Curiosity - Are you curious enough? This causes them to spill water over their banks, and eventually, the water starts flowing over the adjacent land causing floods. I think it was cool and fun reading and understanding how floods are caused and in my experience I would be horrified by thinking with all the germs and bacteria and a few times their have been floods happening in Shanghai. The north of England and Scotland saw thousands of homes and businesses wrecked and people forced to move and flee their homes. Ask your teacher if you could try this experiment, too! It is mandatory to procure user consent prior to running these cookies on your website. Causes of floods Lead teacher Anil Sarna asked his local Year 5 and Year 6 pupils to see if they could work out what causes flooding, testing what they learnt using a series of experiments. If your place is located in any of these areas, then you should be ready for possible damage caused by floods, – Location is at the bottom of an elevated area like a hill. Take the Boxing Day floods of 2015, for example. Then a green fleece blanket was placed on one table to replicate grass and other flora, while the other table was left with its smooth plastic top. Heavy Rainfall During the rainy season, we can see heavy rainfall. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. One area might receive a lot of rain and won’t flood while in other areas the same amount of rainfall can wreak havoc, destroying homes, businesses and the natural environment. Sometimes the rate at which water flows into a river or a lake exceeds the rate at which water exits these water bodies. Your email address will not be published. Ask a parent or guardian to check it out first and remember to stay safe online. People and experts are recognizing that flooding is a serious concern right now. Top 5 Causes of Floods 1. These cookies will be stored in your browser only with your consent. “One of the students said it was ‘an inspiring day’ that had helped her deal with the bad memories of the floods.” Good news! In many cold areas, heavy snow stays unmelted top of the mountains. Regards, Your email address will not be published. Ask your teacher if you could try this experiment, too! Flooding can affect a small area or large parts of a country, as recently witnessed by the U.S and some parts of Asia. ). Necessary cookies are absolutely essential for the website to function properly. Floods caused by heavy rainfall or a water source overflowing with the effect of melting snow. A You can read stories of how local kids were affected by the UK floods 2015, here! The location of a house can be a determining factor for possible flooding damage. But opting out of some of these cookies may affect your browsing experience. http://www.dailymail.co.uk/news/article-4698124/Heavy-snowmelt-causes-flooding-Sierra-Nevada-range.html, Flooding can also result from the failure of dams or other hydraulic structures when a veritable wall of water can go hurtling down the river channel. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Lead teacher Anil Sarna asked his local Year 5 and Year 6 pupils to see if they could work out what causes flooding, testing what they learnt using a series of experiments. “We could clearly see how little water got to the bottom of the table on the meandering table with vegetation and terracing, while on the other table water flowed quickly and formed a pool in the bag.”.

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