He sounds a bit dull, but he's very clear and accurate. I want you to watch the video and give a stage by stage explanation of how a meander and then ox-bow lake are formed. Probably 4-5 points. Use as much key terminology as possible.
Meanders are formed when the fastest current on the outside of the river erodes the outer edges whilst the inside is a lot slower and deposits sediment on the inside. This slowly pushes the outside backwards and the inside forwards forming horseshoe like loops called meanders. Oxbow lakes are formed when a meander gets very large and the neck of the meander gets narrower and in a flood or a storm the river takes a short cut going through the neck and cuts the loop of which is known as an oxbow lake
Oxbow lakes - The two meanders get closer and closer together and eventually break the section between them. Deposited material then seals off the entrances forming a lake.
Meanders form when the thalweg of the river erodes the outside edge of a river bend, forming a river cliff and the slow part of the river deposits sediment on the inside bend, forming a slip-off slope. The erosion makes the curve of the river more and more extreme forming a meander, a large curve in the river.
Oxbow lakes form when the neck of a meander thins as the thalweg erodes it. The neck gets thinner and eventually breaks through, and the river flows straight, through the meander neck. Slow travelling water deposits sediment which blocks off the old meander. The meander scar dries and leaves the meander separate from the new river, forming an oxbow lake.
When a river's thalweg erodes the outside of a river, over time a river cliff is formed. As the slow-moving water is on the inside, sediment is deposited and forms slip-off slopes. As the river cliff becomes more and more eroded, a bigger curve in the river is formed. This is called a meander.
An oxbow lake is formed when a meander eventually breaks through to another meander, because of the opposite river cliffs being eroded more towards each other, due to the thalweg on the outside of the river. Because the meander neck is now broken through and is straight, a new thalweg is formed, and the new route is used instead. The slow travelling water on the inside of the old meander deposits sediment and blocks it off from the river. The meander scar then dries up, leaving a meander separate from the river, which is called an oxbow lake.
A meander is formed when the thalweg erodes the outer bank forming a river cliff and deposits on the opposite bank. The cliff and bank are pushed further back and a bigger curve is formed, forming a meander. Ox-bow lakes are formed when the two meanders break through the section between them and a new route is formed with the slower water depositing sediment across the entrances blocking them off which forms an ox-bow lake.
When a river's thalweg erodes the outside of a river, casing a river cliff over a period of time. On the inside of a river it is slower allowing any sediment carried by the river to be dropped as the river hasn't got enough energy to continue carrying it. As the river cliff continues to be eroded and deposition continues to occur on the inside the river becomes a bigger curve called a meander.
An oxbow lake is formed from a meander. It is formed when the thalweg erodes through the neck of a meander and eventually breaking through to another part of the river. Then the old meander is slowly blocked off by deposition. The old meander is now called an oxbow lake.
Meanders are formed when the thalweg of the river erodes the outside of the river over a long period of time. All the energy is in the thalweg so all the sediment is dropped off in the newly formed inner bank and as this is happening, more of the outer bank is getting eroded. This will eventually cause a meander that will constantly get bigger and bigger unless it forms an ox-bow lake.
An ox-bow is formed when the erosion of the meander is so large it causes the neck to become a lot thinner, due to the tahlweg. Over time it will keep on being eroded until the two sections of the river fully erode the neck and meet. All the deposition will start to pile up where the meander used to be until it is fully blocked off and forms a ox-bow lake.
Meanders are formed when the thalweg of the river slowly erodes the outer banks of the river over time. There is a also a significant build up of sediment and depositon on the inner banks. This is a continuous process of sediment build up on the inner banks and erosion on the outer banks.
Ox bow lakes are what bring an end to the process of erosion and sediment build up of a meander. As the inner banks of the river continue to erode the neck of the meander gets more and more narrow. Eventually the river will erode through the neck of the meader and create a new route. Over time there will be a build up of deposition which cuts off the meander from the rest of the river thus forming an ox-bow lake.
a meander is formed when the thalweg (fastest part of the river) erodes the outerbank over a period of time. in in inner banks there is a large build up of sediment forming a small beach.
Ox-bow lakes are formed when the erosion from the river meander becomes to strong and the neck becomes a lot thinner and eventually the river breaks through into the other side of the meander. over time this process will continue and will become a straight river. The material from the river cliff that is eroded will be piled up and block off the former meander, forming an ox bow lake
Meander: formed when the thalweg; which is the fastest part of the river erodes the outer bank. on the inner bank a lot of sediment is deposited forming an area of dry land.
ox Bow lakes: occurs at the neck of the meander which is close to another meander. as the water erodes through the side of the meander, the neck becomes thinner and eventually the river breaks through into the other meander. over a period of time, the river will become more straight and deposit on the side. this blocks off the old meander which forms the ox-bow lake.
a meander is formed when the thalweg erodes the outer bank and leaves sediment on the inner bank. ox-bow lakes are formed when the outside of the meander erodes through the rock slowly cutting it back and creating a thinner and thinner neck. eventually the thalweg erodes through creating an ox-bow lake, over time sediment is left behind sealing of the lake from the river.
A meander is formed when the thalweg erodes the outside of a river while the slower moving inside is leaving sediment behind to form a slip off slope
An ox-bow lake is formed when the thalweg erodes the neck of the meander, over a long period of time the river will break thought into the other side. The meander is the blocked off due to deposition, this then becomes an ox-bow lake.
A meander is formed when the river flow moves slightly side to side eroding the river banks. After a while the river erodes on the outside, this is called the thalweg (fastest part of the river). The thalweg erodes more and more eroding the outer river bank and causing large curves in the river. An oxbow lake is formed when the curve becomes too close together and the river brakes through, the river is then cut off by sediment dragged by the river making a lake.
The thalweg (fastest flow of a river) naturally sways from side to side in a river. This causes the bank closest to the thalweg to get eroded creating a river cliff. Meanwhile the slower part of the river isn't strong enough to carry the sediment along so deposits it. This cycle of erosion and deposition cause the river to bend around creating a meander.
Eventually, the meander will become large enough that the thalweg will end up smashing into the neck of the meander, eroding it. This keeps on happening, until the river breaks through the neck of the meander creating an island in the river. The old meander will eventually get cut off as sediment is deposited along the sides of it, forming an ox-bow lake.
A meander is formed when the thalweg erodes the outside of the river forming a river cliff and the slower inner side of the river turns into a slip of slope and has sediment deposited on it. The erosion and deposition cause the river to form a curvy shape and turns the river into a meander.
Oxbow lakes form when the neck of a meander thins as the thalweg erodes it. The neck thins and is then broken, the river flowing through the neck of the meander.Slow travelling water deposits sediment which blocks off the old meander. The separate river landform is now called an oxbow lake.
In the middle course of a river there are meanders. Meanders are formed when the thalweg erodes the outside edges of the river- the river cliffs as this happens there is more and more deposition of sediment. Eventually, as the meander gets bigger the river erodes through the neck of the meander and takes the shorter route. Then, the water travelling past deposits sediment which cuts off the original meander, and the original meaner that has been cut off is called an oxbow lake.
In a meander, the thalweg (fastest part of the river) flows from side-to-side, the bank closest to the thalweg will begin to erode. After time, the bank will erode the whole way through, creating an island in the river, erosion will block off the original meander and turn it into an ox-bow lake.
Meanders are formed when the fastest current on the outside of the river erodes the outer edges whilst the inside is a lot slower and deposits sediment on the inside. This slowly pushes the outside backwards and the inside forwards forming horseshoe like loops called meanders.
ReplyDeleteOxbow lakes are formed when a meander gets very large and the neck of the meander gets narrower and in a flood or a storm the river takes a short cut going through the neck and cuts the loop of which is known as an oxbow lake
Think about key terms. Thalweg!! River cliff!!
DeleteOxbow lakes - The two meanders get closer and closer together and eventually break the section between them. Deposited material then seals off the entrances forming a lake.
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ReplyDeleteMeanders form when the thalweg of the river erodes the outside edge of a river bend, forming a river cliff and the slow part of the river deposits sediment on the inside bend, forming a slip-off slope. The erosion makes the curve of the river more and more extreme forming a meander, a large curve in the river.
ReplyDeleteOxbow lakes form when the neck of a meander thins as the thalweg erodes it. The neck gets thinner and eventually breaks through, and the river flows straight, through the meander neck. Slow travelling water deposits sediment which blocks off the old meander. The meander scar dries and leaves the meander separate from the new river, forming an oxbow lake.
When a river's thalweg erodes the outside of a river, over time a river cliff is formed. As the slow-moving water is on the inside, sediment is deposited and forms slip-off slopes. As the river cliff becomes more and more eroded, a bigger curve in the river is formed. This is called a meander.
ReplyDeleteAn oxbow lake is formed when a meander eventually breaks through to another meander, because of the opposite river cliffs being eroded more towards each other, due to the thalweg on the outside of the river. Because the meander neck is now broken through and is straight, a new thalweg is formed, and the new route is used instead. The slow travelling water on the inside of the old meander deposits sediment and blocks it off from the river. The meander scar then dries up, leaving a meander separate from the river, which is called an oxbow lake.
wrong
DeleteA meander is formed when the thalweg erodes the outer bank forming a river cliff and deposits on the opposite bank. The cliff and bank are pushed further back and a bigger curve is formed, forming a meander.
ReplyDeleteOx-bow lakes are formed when the two meanders break through the section between them and a new route is formed with the slower water depositing sediment across the entrances blocking them off which forms an ox-bow lake.
When a river's thalweg erodes the outside of a river, casing a river cliff over a period of time. On the inside of a river it is slower allowing any sediment carried by the river to be dropped as the river hasn't got enough energy to continue carrying it. As the river cliff continues to be eroded and deposition continues to occur on the inside the river becomes a bigger curve called a meander.
ReplyDeleteAn oxbow lake is formed from a meander. It is formed when the thalweg erodes through the neck of a meander and eventually breaking through to another part of the river. Then the old meander is slowly blocked off by deposition. The old meander is now called an oxbow lake.
Meanders are formed when the thalweg of the river erodes the outside of the river over a long period of time. All the energy is in the thalweg so all the sediment is dropped off in the newly formed inner bank and as this is happening, more of the outer bank is getting eroded. This will eventually cause a meander that will constantly get bigger and bigger unless it forms an ox-bow lake.
ReplyDeleteAn ox-bow is formed when the erosion of the meander is so large it causes the neck to become a lot thinner, due to the tahlweg. Over time it will keep on being eroded until the two sections of the river fully erode the neck and meet. All the deposition will start to pile up where the meander used to be until it is fully blocked off and forms a ox-bow lake.
Meanders are formed when the thalweg of the river slowly erodes the outer banks of the river over time. There is a also a significant build up of sediment and depositon on the inner banks. This is a continuous process of sediment build up on the inner banks and erosion on the outer banks.
ReplyDeleteOx bow lakes are what bring an end to the process of erosion and sediment build up of a meander. As the inner banks of the river continue to erode the neck of the meander gets more and more narrow. Eventually the river will erode through the neck of the meader and create a new route. Over time there will be a build up of deposition which cuts off the meander from the rest of the river thus forming an ox-bow lake.
a meander is formed when the thalweg (fastest part of the river) erodes the outerbank over a period of time. in in inner banks there is a large build up of sediment forming a small beach.
ReplyDeleteOx-bow lakes are formed when the erosion from the river meander becomes to strong and the neck becomes a lot thinner and eventually the river breaks through into the other side of the meander. over time this process will continue and will become a straight river. The material from the river cliff that is eroded will be piled up and block off the former meander, forming an ox bow lake
Meander: formed when the thalweg; which is the fastest part of the river erodes the outer bank. on the inner bank a lot of sediment is deposited forming an area of dry land.
ReplyDeleteox Bow lakes: occurs at the neck of the meander which is close to another meander. as the water erodes through the side of the meander, the neck becomes thinner and eventually the river breaks through into the other meander. over a period of time, the river will become more straight and deposit on the side. this blocks off the old meander which forms the ox-bow lake.
a meander is formed when the thalweg erodes the outer bank and leaves sediment on the inner bank. ox-bow lakes are formed when the outside of the meander erodes through the rock slowly cutting it back and creating a thinner and thinner neck. eventually the thalweg erodes through creating an ox-bow lake, over time sediment is left behind sealing of the lake from the river.
ReplyDeleteA meander is formed when the thalweg erodes the outside of a river while the slower moving inside is leaving sediment behind to form a slip off slope
ReplyDeleteAn ox-bow lake is formed when the thalweg erodes the neck of the meander, over a long period of time the river will break thought into the other side. The meander is the blocked off due to deposition, this then becomes an ox-bow lake.
A meander is formed when the river flow moves slightly side to side eroding the river banks. After a while the river erodes on the outside, this is called the thalweg (fastest part of the river). The thalweg erodes more and more eroding the outer river bank and causing large curves in the river. An oxbow lake is formed when the curve becomes too close together and the river brakes through, the river is then cut off by sediment dragged by the river making a lake.
ReplyDeleteThe thalweg (fastest flow of a river) naturally sways from side to side in a river. This causes the bank closest to the thalweg to get eroded creating a river cliff. Meanwhile the slower part of the river isn't strong enough to carry the sediment along so deposits it. This cycle of erosion and deposition cause the river to bend around creating a meander.
ReplyDeleteEventually, the meander will become large enough that the thalweg will end up smashing into the neck of the meander, eroding it. This keeps on happening, until the river breaks through the neck of the meander creating an island in the river. The old meander will eventually get cut off as sediment is deposited along the sides of it, forming an ox-bow lake.
A meander is formed when the thalweg erodes the outside of the river forming a river cliff and the slower inner side of the river turns into a slip of slope and has sediment deposited on it. The erosion and deposition cause the river to form a curvy shape and turns the river into a meander.
ReplyDeleteOxbow lakes form when the neck of a meander thins as the thalweg erodes it. The neck thins and is then broken, the river flowing through the neck of the meander.Slow travelling water deposits sediment which blocks off the old meander. The separate river landform is now called an oxbow lake.
In the middle course of a river there are meanders. Meanders are formed when the thalweg erodes the outside edges of the river- the river cliffs as this happens there is more and more deposition of sediment. Eventually, as the meander gets bigger the river erodes through the neck of the meander and takes the shorter route. Then, the water travelling past deposits sediment which cuts off the original meander, and the original meaner that has been cut off is called an oxbow lake.
ReplyDeleteIn a meander, the thalweg (fastest part of the river) flows from side-to-side, the bank closest to the thalweg will begin to erode. After time, the bank will erode the whole way through, creating an island in the river, erosion will block off the original meander and turn it into an ox-bow lake.
ReplyDelete