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Process of deepening a stream channel by erosion of the bottom material
Downcutting, also called erosional downcutting, downward erosion or vertical erosion, is a geological process by hydraulic action that deepens the channel
Downcutting
Elongated terraces that flank the sides of floodplains and river valleys
either a stream or river, gradually lowering its elevation. For example, downcutting by a river can lead to increased velocity of a tributary, causing that
Fluvial_terrace
Dry watercourse with flow after rain
high flow rain events. Coupled with groundwater pumping this increases downcutting in arroyos as well. Arroyo cutting which occurred in the 1900s in the
Arroyo_(watercourse)
Type of rock formation found in Ozarks streams
widening out both above and below the formation. Because the rock resists downcutting, streams typically descend at relatively steep gradient through shut-ins
Shut-in_(river)
Lowering of a fluvial surface through erosion
to find when a river was at a particular level and how quickly it is downcutting. "Estuarine & Floodplain degradation". Eurobodalla Landcare. Archived
Degradation_(geology)
Mountain in Colorado, US
compared to the surrounding sedimentary rock layers, which suffered rapid downcutting from the action of the Colorado and the Gunnison rivers. The top layer
Grand_Mesa
Heath and moorland plateau in Shropshire, England
associated with the wasting of the ice mass. After the retreat of the ice, downcutting of the batches and hollows continued during a prolonged period of wetter
Long_Mynd
U.S. national park located in West Texas, bordering Mexico
area roughly 2 million years ago, and since then, extensive erosion and downcutting have occurred. Cultural resources in the park range from the Paleo-Indian
Big_Bend_National_Park
Cave in Abkhazia, Georgia
be up to 400 m (1,300 ft) above the low-flow water table, and vadose downcutting elements that are observed even below the water table. The core part
Krubera_Cave
National park in Utah, United States
parts of the area. High water volume in wet seasons does most of the downcutting in the main canyon. These flood events are responsible for transporting
Zion_National_Park
Geologic uplift of Earth's surface that is attributed to plate tectonics
National Park Cliffs of the Tasman National Park Incised meander caused by downcutting of Colorado River during uplift of Colorado Plateau Duncansby Stacks
Tectonic_uplift
Landscape in Washington state, US
other soils, leaving the land barren. River valleys formed by erosional downcutting of rivers create V-shaped valleys, while glaciers carve out U-shaped
Channeled_Scablands
Bed material load Granular flow Debris flow Deposition Dissolved load Downcutting Erosion Headward erosion Knickpoint Palaeochannel Progradation Retrogradation
List of countries and dependencies without rivers
List_of_countries_and_dependencies_without_rivers
Canyon in Quechee, Vermont, US
retreated across the region. The carving is thought to be a result of rapid downcutting of the Ottauquechee River after the drainage of glacial Lake Hitchcock
Quechee_Gorge
Stream that cuts a narrow gorge deep into the land below
For a long time, it was argued that ingrown meander occurs when the downcutting process is slow and the river can cause lateral erosion, leading to an
Entrenched_river
Step-like landform
formed by the downcutting of a river or stream channel into and the abandonment and lateral erosion of its former floodplain. The downcutting, abandonment
Terrace_(geology)
Isolated population of coast redwoods
portions of Redwood and San Leandro Creeks have undergone extensive downcutting. Despite the damage sustained by the East Bay Redwoods in the 19th century
East_Bay_Redwoods
Geographic region of Northwestern United States dominated by wheat-based agriculture
streams. As early as the 1930s soil scientists were noting significant downcutting of regional rivers (Victor 1935) and expansion of channel width. Higher
Palouse
Rivers rising from chalk bedrock
Bed material load Granular flow Debris flow Deposition Dissolved load Downcutting Erosion Headward erosion Knickpoint Palaeochannel Progradation Retrogradation
Chalk_stream
Sandstone gorge near Keeseville, NY, USA
considerably higher flow than today due to glacial meltwater, began downcutting through the layers of glacial till. Once the incipient Ausable Chasm
Ausable_Chasm
Geology of Zion National Park in Utah
them to flow and downcut faster into the underlying Markagunt Plateau. Downcutting continues to be especially rapid after heavy rainstorms and winter runoff
Geology of the Zion and Kolob canyons area
Geology_of_the_Zion_and_Kolob_canyons_area
Plateau in southwestern United States
occurred). Streams had their gradient increased and they responded by downcutting faster. Headward erosion and mass wasting helped to erode cliffs back
Colorado_Plateau
One of a series of curves in a channel of a matured stream
migration and incision of a meander during a period of slower channel downcutting. Regardless, the formation of both entrenched meanders and ingrown meanders
Meander
River that runs through mountains
Bed material load Granular flow Debris flow Deposition Dissolved load Downcutting Erosion Headward erosion Knickpoint Palaeochannel Progradation Retrogradation
Mountain_river
Laccolith remnants in Texas, USA
west of the area during the Oligocene and early Miocene. Erosion and downcutting following the Pleistocene deepening of the Rio Grande to the southwest
Solitario
Lake in San Bernardino County, California
000–13,800 years ago, when Afton Canyon formed, either through slow downcutting or a large outburst flood. The lake supported a rich ecosystem, including
Lake_Manix
Canyon on the Nho Quế River in northeastern Vietnam
interpretation as an example of high-relief terrain shaped by river downcutting through carbonate bedrock. In this framing, the plateau and the incised
Tú_Sản_canyon
Stream in Sonoma County, California
Wildflower Preserve; this concrete structure led to severe downstream downcutting and resultant denial of fish passage. According to the U.S. Environmental
Carriger Creek (Sonoma County, California)
Carriger_Creek_(Sonoma_County,_California)
Sediment processes associated with rivers and streams
environment (solution) Erosion – Natural processes removing soil and rock Downcutting – Process of deepening a stream channel by erosion of the bottom material
Fluvial_sediment_processes
Former pluvial lake in western North America
with a maximum discharge of about 35,000,000 cu ft/s (1,000,000 m3/s). Downcutting during the flood through the Marsh Creek alluvial-fan deposits and into
Lake_Bonneville
Stratovolcano in the San Mateo Mountains, North America
similar to Valles Caldera, Mount St. Helens or the San Francisco Peaks. Downcutting has been great enough to expose Cretaceous sedimentary rocks at the core
Mount_Taylor_(New_Mexico)
Canyon in Southwestern Utah US
as the average flow of the river is very light. This relatively quick downcutting has left many seasonal tributaries with hanging valleys. Some of the
Zion_Canyon
at the coast. Streams rearranged and flowed more toward the Pacific, downcutting existing channels. In the past two million years, Costa Rican volcanoes
Geology_of_Costa_Rica
Erosion process in geomorphology
in nature. All of these cause the river to erode its bed vertically (downcutting) faster as it gains gravitational potential energy. That causes effects
River_rejuvenation
Tributary of the Potomac River in Maryland and Washington, D.C., United States
Rock Creek in Chevy Chase, Maryland. The stream bank shows downcutting (vertical erosion) due to stormwater runoff.
Rock Creek (Potomac River tributary)
Rock_Creek_(Potomac_River_tributary)
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
Cedar_Creek_Canyon_(Indiana)
Prehistoric lake in the Salton Sea basin of California
explain why the fairly easily eroded sill material was stable against downcutting by overflow. Once cut off from the Colorado River by changes in its course
Lake_Cahuilla
River in northern California, United States
per 1000 years, as measured at Scotia Bluffs). The Eel's behavior of downcutting its own sediments has caused it to flow in a deeply incised channel,
Eel_River_(California)
Ancient Iron Age culture in Gansu, China
established the city of Xiutu along the Hongshui River, which experienced downcutting linked to the arid environment, and a nomadic culture emerged against
Shajing_culture
Historical region in Gansu Province, China
established the city of Xiutu along the Hongshui River, which experienced downcutting linked to the arid environment, and a nomadic culture emerged against
Hexi_Corridor
Glacial lake in Carinthia
deposits at its western rim damming meltwater. The continuous erosive downcutting by the discharge of the kettle into the Lieser River over the following
Millstätter_See
Wildfire in New Mexico, United States
million. The fire caused large-scale flooding, excessive erosion, and downcutting in the Ponil Creek watershed. It severely damaged the riparian zone including
Ponil_Complex_Fire
Hills in Mississippi, USA
deposits, with the Leaf River and its tributaries responsible for the downcutting. Part of Camp Shelby is in the Ragland Hills. Many plant community types
Ragland_Hills
Plateau in northern China
Asia, energy is released. This causes the denudation of the rock and downcutting of rivers of the mountains. Loess materials are formed from the mountains
Loess_Plateau
Type of aquatic ecosystem with flowing freshwater
Bed material load Granular flow Debris flow Deposition Dissolved load Downcutting Erosion Headward erosion Knickpoint Palaeochannel Progradation Retrogradation
River_ecosystem
River in central California, United States
granite beneath. Encountering this resistant layer slowed the river's downcutting, although tributary streams continued to widen the ancient canyon. Over
Merced_River
River in California, United States
Livestock have grazed on the watershed since the 1800s, causing widening and downcutting of the creek. It continues to carry a heavy load of sediment from grazing
Miller Creek (Marin County, California)
Miller_Creek_(Marin_County,_California)
Town in Rhineland-Palatinate, Germany
Taunus. The characteristic narrow-valley form came into use through downcutting in a massif that was undergoing an uplift. The nearest major Towns are
Sankt_Goar
basins dropped up to 500 meters. This has tended to deep paleo-valleys as downcutting took place. Turkmenistan is highly seismically active, especially around
Geology_of_Turkmenistan
Aspect of geology
drainage area and yet steeper stream gradient helped to further accelerate downcutting. Ice ages during the Pleistocene brought a cooler and wetter pluvial
Geology of the Grand Canyon area
Geology_of_the_Grand_Canyon_area
River in Melbourne, Victoria, Australia
(44 mi) course. The incised meanders of the Jackson Creek demonstrate the downcutting of the Newer Volcanics and have formed rapids and small falls, along
Jackson_Creek_(Victoria)
Type of cave
steep-sided gorges, talus caves may form as a combination of slope failure and downcutting by a stream or river, where smaller rocks and soil is washed away under
Talus_cave
River valley in London, England
the Geologists' Association, Volume 34, Issue 3, 1923, page 251. This downcutting by the River Lea as it moved eastwards lowered the base levels of its
Lea_Valley
Rock shelter in KwaZulu-Natal, South Africa
is now a sugar cane plantation. The shelter was formed by erosional downcutting of the Tongati River, which now lies 10 m (33 ft) below the shelter.
Sibudu_Cave
Mountain in Germany
uplift of individual masses from a low-lying plain, but rather through downcutting which cut valleys and ravines into a coherent mountain mass. The predominant
Geisberg_(Middle_Moselle)
Stream in Contra Costa County
has increased the amount of storm runoff in Lafayatte Creek, causing downcutting. In a natural setting, more rainwater would be absorbed by the land and
Lafayette_Creek_(California)
Group of caves in Denbighshire, Wales
eroded through the limestone and then left behind by the continued downcutting of the gorge. The cave complex is used for caving activities by a nearby
Cefn_Caves
Characteristic of basins and valleys eroded by glaciers
phenomenon other than glacial overdeepening – the dramatic river valley downcutting which can occur when the sea into which it discharges dries out. In what
Overdeepening
Mountain in Colorado, United States
through Cochetopa Canyon where hard, Precambrian igneous rock has limited downcutting and erosion of the caldera. The present vegetation helps make the caldera's
Cochetopa_Dome
Chinese king
established the city of Xiutu along the Hongshui River, which experienced downcutting linked to the arid environment, and a nomadic culture emerged against
Xiutu
Ecoregion in the southern United States
on Wetlands. Regulation of White River flow, in combination with the downcutting of the Mississippi River for navigation (and related wing levees and
Mississippi Alluvial Plain (ecoregion)
Mississippi_Alluvial_Plain_(ecoregion)
Extensive deep-sea channel of the Pacific Ocean
of the channel into erosional features. This led to the initiation of downcutting. At this time, apparently the channel built up by turbidity current that
Cascadia_Channel
Geology of an area in Utah, US
as the Fremont River, were more likely to keep up with the uplift by downcutting into the Waterpocket Fold faster. Other streams, such as Sand Creek,
Geology of the Capitol Reef area
Geology_of_the_Capitol_Reef_area
Israeli geologist and speleologist
Tunnel, Jerusalem: Nature, v. 425, p. 169-171. Frumkin, A., 2003, Maximum downcutting rate of bedrock channels in hyper-arid climates: Horizons in Geography
Amos_Frumkin
United States historic place
length, plunges into such a deep valley near its mouth. The Cottonwood's downcutting has carved all the way through the thick glacial till and a few feet
Flandrau_State_Park
State park of Minnesota, United States
the unstable clay walls further widened the main valley. The river's downcutting eventually passed through the Pleistocene lake sediments and into the
Jay_Cooke_State_Park
Fossil site in North Dakota, US
discovered. The topography of the site is that of a badland, due to the downcutting of the Little Missouri River. The rock units are likely sediments derived
Wannagan_Creek_site
Two volcanic plateaus in Oregon, US
an incision that formed the Rogue River valley. Vertical erosion, or downcutting of the Rogue River continues to keep pace with the recent uplift, with
Upper_and_Lower_Table_Rock
National park in Australia
ancient stream bed buried by a lava flow, and later revealed by the downcutting of Jackson Creek. Deep leads were mined for gold in Ballarat during the
Organ_Pipes_National_Park
Geology and geomorphology of a national park in New Zealand
in New Zealand dating to Middle Cambrian (c. 506 – c. 503 Ma) in age. Downcutting into the Waipounamu Surface by glaciers and rivers has formed a complex
Geology and geomorphology of Kahurangi National Park
Geology_and_geomorphology_of_Kahurangi_National_Park
Shoreline management based on sustainability principles
of a split channel in a stream but should not be used in streams with downcutting as the base of the structure will be compromised. Encapsulated soil lifts
Soft_engineering
Geologically ancient precursor to the present day River Thames
conditions at the beginning of the Pleistocene period led to frequent downcutting by rivers in the Thames catchment area (and in north-west Europe in general)
Ancestral_Thames
Deglaciation led to the formation of river valleys and 20 to 40 percent of downcutting in rivers in the south happened during a short span after glaciation
Geology_of_Estonia
River in the United States of America
and increased water flow due to urban runoff has caused significant downcutting in the river bed. The creek has eroded to depths exceeding 20 feet (6
Aliso_Creek_(Orange_County)
Thames in its upper course during glacial and peri-glacial periods. Downcutting and a gradual southerly migration of the river has left a succession
Geology_of_Gloucestershire
Rock units in midwestern North America
record of parasequences (of marine-influenced deposition/non-marine downcutting) within the east Dakota sedimentary record of the terrestrial effects
Dakota_Formation
Former lake in Colorado, United States
a catastrophic overflow flood. Later research has indicated that the downcutting of the outlet may have continued for several hundred thousand years after
Lake_Alamosa
United States national preserve in Alaska
bordered by bluffs and terraces along its course, representing river downcutting through alluvial deposits. The lowlands were never glaciated during the
Yukon–Charley Rivers National Preserve
Yukon–Charley_Rivers_National_Preserve
Series of caves in North Yorkshire, England
including an anticline and several faults. In Manchester Hole vadose downcutting has breached the base of the limestone and cut into the underlying strata
Nidderdale_Caves
Geologic formation in New Mexico, USA
reduction in Tschicoma volcanism and basinwide pedimentation due to downcutting of the Rio Grande. The formation is remarkably well preserved for a volcanic
Puye_Formation
Thrust belt
is still debated, but many geologists agree that they result from the downcutting of pre-existing rivers that were already present before the formation
Geology_of_the_Jura_Massif
River in Timor-Leste
and as a result, the natural erosion rate of the catchment, involving downcutting by rivers and erosion of steep hillslopes, is very high. In such erosion
North_Laclo_River
River
15 feet (3.0 to 4.6 m) deep. The potholes were later breached due to downcutting. The gorge that Salem Creek flows through is lined with resistant rocks
Salem_Creek_(Pennsylvania)
National park in Ukraine
western part of Cheremosh river in places of sandstones and erosional downcutting of riverbeds. Sometimes there are landslides and small sized screes.
Vyzhnytsia National Nature Park
Vyzhnytsia_National_Nature_Park
United States historic place
was likely once at the creek's mouth on the river. Over the millennia, downcutting of the creek has carved a gorge through the soft Jordan Sandstone, causing
Minneopa_State_Park
Rock formation in Hungary
ingredients, by the key factors of landscape formation in the ice-age, namely: downcutting and lateral erosion, attrition, weathering, rinsing effects of wind and
Beehive_stone
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Girl/Female
German
Noble; Kind
Girl/Female
Australian, Finnish
God's Protection
Boy/Male
Hindu
Lord Krishna fathers name
Boy/Male
Bengali, Hindu, Indian
Bright
Boy/Male
Tamil
Everything you see, Feel, Smell
Boy/Male
Hindu
Variant of michelle. alternate spelling: Misha, Mishaye. smile
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
Love; Friendly; Bring Love to People
Male
Scottish
Scottish form of English Murray, MORAY means "sea warrior."
Boy/Male
Biblical
Deceiver, one who makes sad.
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Telugu
A River; Darkness
DOWNCUTTING
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