headward造句

• Instead headward erosion has excavated large hoodoos that are up to high.
• The blocks will eventually erode, but will cause headward erosion of the river while it exists.
• Dhansari river along with Kapili by headward erosion has completely isolated the Mikir hills from the Peninsular plateau.
• A gully may grow in length by means of headward ( i . e . upstream ) erosion at a knick point.
• Headward erosion of one of those tributaries, the Paria River, eroded north-northwestward toward what is now Paria Amphitheater.
• Headward erosion and mass wasting helped to erode cliffs back into their fault-bounded plateaus, widening the basins in-between.
• It has been observed at least since 1990 that a ravine of Arana Gulch appeared to indicate headward erosion due to concentration of surface runoff.
• The current resurgence is located close to the base of the Dolomitic Conglomerate at the head of a short gorge formed by headward erosion with subsequent cavern collapse.
• Headward erosion is a fluvial process of erosion that lengthens a stream, a valley or a gully at its capture drainage that previously flowed to another stream.
• This can happen as a result of tectonic uplift ( or subsidence ), natural damming created by a landslide, or headward or lateral erosion of the watershed between adjacent basins.
• When the cliff edge does not retreat uniformly, but instead is indented by headward eroding streams, a section can be cut off from the main cliff, forming a mesa.
• Alternatively, a water gap may be formed through headward erosion of two streams on opposite sides of a ridge, ultimately resulting in the capture of one stream by the other.
• These domes intrude the glacially eroded core of the stratovolcano and headward erosion has further modified the Level Mountain shield by incising youthful V-shaped stream canyons into the lava plateau margin.
• Through a process called headward erosion, it gradually moved eastward, gobbling up the land around its headwaters in Pac-Man fashion, until it met up with the ancestral upper Colorado.
• The flow reversal in lower Cedar Creek was probably accelerated by the downcutting of the St . Joseph River, which increased the velocity of its tributaries, causing them to erode toward their headwaters ( headward erosion ).
• The alluvium is " 10 feet ( 3 m ) or more thick in the lower reaches of the Plunketts Creek valley ", but only " 6 feet ( 2 m ) thick in headward tributary valleys ".
• In-flight photographs from Skylab 2 revealed the " puffy face syndrome " which prompted the addition of in-flight torso and limb girth measurements to gather more data on the apparent headward fluid shift on Skylab 3.
• "' Headward erosion "'is erosion at the origin of a stream channel, which causes the origin to move back away from the direction of the stream flow, and so causes the stream channel to lengthen.
• The meta-sedimentary rock along with the granite batholith that forms Black Mountain are remnants of what laid hidden beneath a sea and underground, that are now exposed by headward erosion that continues northward today into Arizona s Transition Zone.
• While additional deep testing may reveal other information, at this time the most appropriate hypothesis is to regard all of these adjacent landforms as non-cultural portions of the higher soils, dissected by centuries [ if not millennia ] of natural headward erosion and downslope weathering ."