what is the lowest level of stream erosion called???
951666
It is called the base level.
125178
a steep hill or small cliff (often of limestone) next to a river\n\n\nI have a question for you L:  Why were you so rude on my question? Did I do something to make you mad?
635228
Very complicated answer - sorry... you'll need to spend time reading these links.  the term is "erosion" - These will get you started.....\n\nhttp://www.igsb.uiowa.edu/browse/glacflds/glacflds.htm\n\nhttp://www.afrol.com/News2002/nig002_floods_erosion.htm\n\nhttp://www.mnr.gov.on.ca/MNR/water/p766.html
215900
From those choices the finest particles would have to be found near the mouth. This is because along the course of a river the speed of the river varies and at the mouth is generally the slowest point. As it enters the ocean it is likely to be flowing at its slowest speed, so its ability to carry particles is at its lowest energy level and only the very smallest particles will stay suspended. \n\nHowever, the question is not really correct with that wording and with this answer. There is no reason that the very smallest particle carried by a river cannot be found at ANY of those points along the river, and transported all the way to the mouth of the river. This also ignores the fact that rivers carry dissolved solids as well.
848279
I'd have to say Texas A&M in College Station-it's the closest to the Gulf of Mexico, so common sense tells me that's the lowest elevation.
720397
Wind and water erosion both erode top layes of the soil which is fertile.\nBoth can be controlled by planting trees over loose soil so that the roots can prevent soil erosion.\n\nBut water erosin is much more harmful since it can cut up land and make it unfit for cultivation, and water erosion can only take plaec where there is a slope.
91295
Your question is very general so that makes it hard to answer well, but I will try because you have asked for help. \n\nCoastal erosion is a natural process that can be accelerated by improper land use. It has become a large problem in the Gulf of Mexico, especially in Louisiana and Texas for several reasons. In Texas and along most coasts there is a process known as longshore drift. This means that the ocean currents move a specific direction and so sand and other sediment is moved longshore (along the shore) in one prevailing direction. When rivers are dammed they no longer supply sand to the river deltas and this longshore drift cannot resupply the beaches with sand. The beaches eventually become starved of sand and begin to erode. On the eastern coast of the United State longshore drift is northward, so barrier islands and other beaches tend to migrate northward. On the west coast of the US the drift is southward and so beaches lose sand where anything blocks the southward movement. Some jetties have been built that began to starve the beaches southward of sand supply and this has become a problem for those beaches. \n\nIn Louisiana the problem is a little different because there are several factors known to be causing a very rapid rate of coastal erosion. Louisiana is losing 18,500 acres of wetlands each year to coastal erosion. One large part of the problem is that this area was once part of the Mississippi River delta floodplain, and as levees have been built to prevent flooding, the areas have been deprived of additional sediment supply from the river. Another part of the problem is that the sediments that the area is built on tend to settle over time. The Mississippi River has built a pile of sediments of sand and mud that is several miles thick. With time this sediment compacts and sinks, causing flooding where the surface is no longer being resupplied from the river. Even another factor has been discovered that this part of the North American continent is sinking possibly as a response to the melting of glaciers on the upper part of the continent about 10,000 years ago. Since the northern part of the continent is still rising because of the weight of the ice removed when the glaciers melted, it works like a teeter-totter and the southern part is going down This coastal erosion is in large part the cause of much of the damage to New Orleans during last years hurricanes, as it created storm surge conditions that were more extreme than expected. \n\nOther types of coastal erosion are prevalent in states like California where large storms can move waves across the beach and erode the base of cliffs that are along the beaches. This often causes very nice houses to slide down the cliff in a landslide.  To some extent it is a natural process that should have been anticipated by those homeowners, but it probably is also being affected by sea level rise and beach starvation.  Earthquakes are even a factor in these coastal bluff landslides. \nhttp://www-csgc.ucsd.edu/STORIES/coastalerosion.html\n\nI've added some links to resources about Louisiana coastal erosion below.
683379
Anything specific you want to know?  You could look up glaciers (they cause erosion), river erosion, sedimentation will be linke to it.  Look up "KS4 Chemistry erosion"
983191
Depends what medium is eroding it.\nI think you're looking for the hardness scale.
961813
I think you mean mass wasting.   Mass wasting, also known as mass movement or slope movement, is the geomorphic process by which soil, regolith, and rock move downslope under the force of gravity. Types of mass wasting include creep, slides, flows, topples, and falls, each with their own characteristic features, and take place over timescales from seconds to years
592221
Impossible to answer. No one has ever counted them all and how do you define a river? Here what we define as a river may de called a creek over there.\n\nGod is the only one I know who truely knows the answer to this question.\n\nThe answer would be in the 100,000's though.
177213
I don't think there is a minimum.  If it is a river it is implied that the water flows.  Ecosystems develop depending on what conditions exist.
964624
There is headward erision (where the upper course erodes at the head), Gulley Erosion( where it forms gorges and gulleys) and there is erosion by debris(bigger rocks or stones along the river bed). These can also cause potholes in the river bed.
418494
Generally, most river systems were formed on what were originally geological faults.  These areas were naturally lower then the surrounding land mass and as the surface water built up it would naturally drain towards the lowest point.\n\nAs to flooding this is usually where an excess of surface water has developed and the inability of the natural drain to remove or drain off the surface waters.  In this case the waters draining to the river bed simply rises to the point that the "bottle neck" can be over come and the excess water levels are removed from the area.  Once this happens the normal drain capacity and the normal inflow are balanced and the river returns to it's normal river bed.\n\nDave Cooke
22175
Some rivers dont they can finish in a lake thats inland. Water just flows downhill till its at the lowest level it can find which is usually the sea
683735
The path of least resistance?
985736
Englacial debris.\n\nThis debris is eventually deposited and forms a moraine.