Water erosion trenches, created naturally by water run off are known as gullies.
The plural of gully is gullies. As in "this is the gullies".
Streams are different from gullies because it doesn't dry up.
channel erosion occurs when the gullies are too wide
Rills and gullies are both landforms formed by erosion caused by flowing water. The main difference is in their size and scale: rills are smaller and shallower, while gullies are larger and deeper. Gullies tend to be more pronounced and have steeper sides compared to rills.
Blackmans Gully
Gullies are formed by running water. The water washes down to low point, and the flow slowly erodes the dirt into a gully.
That is true; these gullies have been seen by Mars landers.
by woods and swamps
Both have to do with water
, too, assume you're talking about Mars simply because of the abundance of other Mars questions on here this morning. If you're not, my apologies. Anyway, the conclusion (gullies were created by water bubbling up to the planet's surface) is based on computer modeling of the atmosphere and how water would behave. However, there are other scientists that disagree and think the gullies could have been made by dust or wind. As evidence they point out similiar gullies on the Moon, where no water has been found.
Gullies are commonly found in steep terrain, such as mountains, hillsides, and cliffs. They form when water erodes the soil and creates channels or grooves in the landscape. Gullies can also occur in agricultural fields or urban areas where poor drainage contributes to erosion.
Gullies typically occur in areas with steep slopes, where water flow is concentrated and erodes the soil. They can be found in locations with heavy rainfall, poor soil stabilization, or where vegetation has been removed. Gullies also form in regions with natural erosion processes or human disturbances.