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Graph showing the rate of water flow
A hydrograph is a graph showing the rate of flow (discharge) versus time past a specific point in a river, channel, or conduit carrying flow. The rate
Hydrograph
Flow rate of water that is transported through a given cross-sectional area
significant erosion and deposition and determines the channel morphology. A hydrograph is a graph showing the rate of flow (discharge) versus time past a specific
Discharge_(hydrology)
Flow of water in streams and other channels
estimated by the Manning equation. The record of flow over time is called a hydrograph. Flooding occurs when the volume of water exceeds the capacity of the
Streamflow
Physical parameter of a drainage basin
and permeability of a drainage basin, and relates to the shape of the hydrograph. Drainage density depends upon both climate and physical characteristics
Drainage_density
Type of water motion
(catchment area or watershed). More precisely, it produces a surface runoff hydrograph in response to a rainfall event, represented by and input as a hyetograph
Runoff_model_(reservoir)
Software for simulating water flow within rivers
utilize hydrographs or stage data, amongst other methods, while outflow boundary condition options include rating curve, normal depth, stage hydrograph, and
HEC-RAS
Hydrologic technique
hydrology, routing is a technique used to predict the changes in shape of a hydrograph as water moves through a river channel or a reservoir. In flood forecasting
Routing_(hydrology)
Long-term annual pattern of a river's discharge
often presented is a special diagram, called a hydrograph, or, more specifically, an annual hydrograph as it shows monthly discharge variation in a year
Discharge_regime
Lake in North Dakota, United States
July 28, 2009 National Weather Service hydrograph for Devils Lake: http://www.crh.noaa.gov/ahps2/hydrograph.php?wfo=fgf&gage=dcbn8&view=1,1,1,1,1,1,1
Devils_Lake_(North_Dakota)
Type of river
its underlying bed and preserves sediment in its floodplain. Natural hydrograph components such as storm events (floods), baseflows, snowmelt peaks, and
Alluvial_river
Science of the movement, distribution, and quality of water on Earth
research programs. Of particular importance were Leroy Sherman's unit hydrograph, the infiltration theory of Robert E. Horton, and C.V. Theis' aquifer
Hydrology
SI unit of volumetric flow rate
units of m3⋅s−1 are used along the y-axis or vertical axis of a flow hydrograph, which describes the time variation of discharge of a river (the mean
Cubic_metre_per_second
Location used to monitor surface water flow
Embudo Stream Gauging Station Flood stage – Water level in hydrology Hydrograph – Graph showing the rate of water flow Hydrometry – Monitoring the components
Stream_gauge
System where only the inputs and outputs can be viewed, and not its implementation
The observed hydrograph is a graphic of the response of a watershed (a blackbox) with its runoff (red) to an input of rainfall (blue).
Black_box
Neighborhood in São Leopoldo, Brazil
Lomba Grande is a rural district in the city of Sao Leopoldo in Rio Grande do Sul state in Brazil. Its population is 4.204 (2002). it is located 12 km
Lomba_Grande
Field of scientific study
observe and test watersheds for the answers to these questions. Namely, hydrographs, environmental and injected tracers, or equations such as Darcy's law
Ecohydrology
Capital and most populous city of DR Congo
runoff and a reduction in infiltration retention, resulting in flashier hydrographs, more frequent flood events, and accelerated erosional processes. Recent
Kinshasa
2018 flood in Maryland, United States
Hydrograph of Patapsco River near Elkridge at Patapsco Valley State Park Purple: Major Flood Stage; Red: Moderate Flood Stage; Orange: Flood Stage; Yellow:
2018_Central_Maryland_Flood
Electricity generated by hydropower
2009-07-31. Retrieved 2010-07-16. Zmijewski, Nicholas; Wörman, Anders (2016). "Hydrograph variances over different timescales in hydropower production networks"
Hydroelectricity
Nonparametric measure of rank correlation
G.E., 2014, Statistics for stochastic modeling of volume reduction, hydrograph extension, and water-quality treatment by structural stormwater runoff
Spearman's rank correlation coefficient
Spearman's_rank_correlation_coefficient
Type of glacial outburst flood
much larger than that of a marginal or extra-marginal lake burst. The hydrograph of a jökulhlaup from Vatnajökull typically either climbs over a period
Jökulhlaup
Giant log jam in the Red and Atchafalaya Rivers
growing riparian vegetation, exceeding a geomorphic threshold, a flashy hydrograph and a very heavy sediment load. At the beginning of the 19th century,
Great_Raft
Stream flow between precipitation events
Different ecological processes will occur at different parts of the hydrograph. During the baseflow ascending limb, there is frequently more stream area
Baseflow
Vitvar et al., which uses the stream flow hydrograph to determine baseflow recession parameters. Baseflow Hydrograph Time of concentration Vitvar et al., 2002
Baseflow_residence_time
Well in the Masjid al-Haram in Mecca
technical properties of the well in detail. Water levels were monitored by hydrograph, which in more recent times has changed to a digital monitoring system
Zamzam_Well
original (PDF) on 9 January 2022. Retrieved 7 March 2022. "The Annual Hydrograph of the Ruki River". www.xylem.com. 2021. Paul, J. Kinzel; Jonathan, M
List_of_rivers_by_discharge
Traveling in canyons using a variety of techniques
precipitation events, a flash flood can be generated, increasing peak flow of hydrograph from 2 to 12 m3/s (71 to 420 cu ft/s) to with dramatic consequences affecting
Canyoning
Water overflow submerging usually-dry land
slowly than later and higher flows. As a result, the rising limb of the hydrograph becomes ever quicker as the flood moves downstream, until the flow rate
Flood
Major river in Southeast Asia
quite variable from year to year. Although the pattern of the annual hydrograph is fairly predictable, its magnitude is not. The average monthly flows
Mekong
Practice of preventing soil erosion in agriculture and land development
and change course. However, land management patterns that change the hydrograph and/or vegetation cover can act to increase or decrease channel migration
Erosion_control
Compressed accumulation of snow
James (2002-12-30). "How isotopic fractionation of snowmelt affects hydrograph separation". Hydrological Processes. 16 (18): 3683–3690. Bibcode:2002HyPr
Snowpack
Dependence of the state of a system on its history
It is most pronounced in low gradient streams with steep leading edge hydrographs. Moving parts within machines, such as the components of a gear train
Hysteresis
Hydrology software of the U.S. Army Corps of Engineers
supply and flood hydrology, and small urban or natural watershed runoff. Hydrographs produced by the program are used directly or in conjunction with other
HEC-HMS
Flow of water across the earth
estimated by the Manning equation. The record of flow over time is called a hydrograph. Flooding occurs when the volume of water exceeds the capacity of the
Runoff_(hydrology)
Deposits created by outbursts of Pleistocene glacier-dammed lakes
water in the hundreds of cubic kilometers, and their discharge in peak hydrograph flow rate exceeded the maximum rates of the well-known Pleistocene Lake
Diluvium
Port in India
Copper, Torrent Pharmaceuticals and Reliance Industries. Indian Naval Hydrograph - 2082 Dahej Harbour & Admiralty Chart :- 51 VHF Channel 16, 11, 12, 14
Dahej_Port
Topics referred to by the same term
Routing (hydrology), a technique used to predict the changes in shape of a hydrograph ABA routing transit number, a bank code used in the United States Routing
Routing_(disambiguation)
River in China, India and Bangladesh
basin hydrology. Throughout the year, there is a significant rise in hydrograph, with a broad peak between July and September. The Brahmaputra River experiences
Brahmaputra_River
Graph of rainfall intensity over time
New York: McGraw-Hill. p. 75. ISBN 978-0-07-010810-3. "How SCS (NRCS) Hydrographs Are Made – Learn Hydrology Studio". Retrieved 2025-09-21. Precipitation
Hyetograph
Rivers rising from chalk bedrock
Drainage density Exner equation Groundwater model Hack's law Hjulström curve Hydrograph Hydrological model Hydrological transport model Infiltration (hydrology)
Chalk_stream
larger region, often a county or shire, with its own judicial authority. hydrograph A graph showing the rate of flow (i.e. the discharge) of water past a
Glossary of geography terms (A–M)
Glossary_of_geography_terms_(A–M)
Expedition to study the Arctic
member of the 1899 expedition to Svalbard. Alexander Kolchak – lieutenant, hydrograph, hydrologist, magnetologist, hydrochemist and cartologist. Alexei Byalynitsky-Birulya
Russian polar expedition of 1900–1902
Russian_polar_expedition_of_1900–1902
French hydrograph engineer
Benoît Darondeau (8 April 1805 – 1 March 1869) was a 19th-century French hydrograph engineer. He participated in the expedition around the world of la Bonite
Benoît_Darondeau
Map that depicts the area accessible from a point within a time threshold
2012.{{cite web}}: CS1 maint: deprecated archival service (link) "Unit Hydrograph (UHG) Technical Manual". National Oceanic and Atmospheric Administration
Isochrone_map
Dam on the Green River in Utah, United States
flows. The power plant now releases water based on the natural seasonal hydrograph of the Green River before damming. In addition, water flows must be maintained
Flaming_Gorge_Dam
Field of geochemistry and hydrology
from streamflow in the field of catchment hydrology (i.e. a method of hydrograph separation). Since precipitation in each rain or snowfall event has a
Isotope_hydrology
Stormwater quality model
stochastic modeling of three stormwater treatments: volume reduction, hydrograph extension, and water-quality treatment. In SELDM, these three treatment
Stochastic empirical loading and dilution model
Stochastic_empirical_loading_and_dilution_model
Series of disastrous floods in the Mid-Atlantic States
Hydrograph of the Roanoke River in Roanoke, Virginia, showing a 18.57 ft (5.66 m) increase in 10 hours
1985_Election_Day_floods
Category 3 Atlantic hurricane in 2011
region, more than ten rivers measured record flood heights at their hydrographs. Rivers in at least six Northeastern states reached hundred-year flood
Hurricane_Irene
for monitoring seawater intrusion include measuring groundwater level, hydrograph analysis, water quality sampling and geophysical logging. These procedures
Saltwater intrusion in California
Saltwater_intrusion_in_California
City in North Dakota, United States
Hydrograph Illustrating rising waters over the 1900–2015 time period.
Devils_Lake,_North_Dakota
Severe weather prediction research
Flooded Locations & Simulated Hydrographs (FLASH) Project as WoFS-FLASH, which enables enhanced prediction outputs of hydrographs and grid streamflow data
Warn-on-Forecast
River in Four Corners, United States
148,000 cubic feet per second (4,200 m3/s). The San Juan River annual hydrograph exhibits large seasonal variations with the highest monthly flow of 5
San Juan River (Colorado River tributary)
San_Juan_River_(Colorado_River_tributary)
Caldera in Alaska
(7): 1212–1229. doi:10.1002/jqs.70006. Coleman, Neil M. (May 2015). "Hydrographs of a Martian flood from the breach of Galilaei Crater". Geomorphology
Mount_Aniakchak
Reduction in water level over time within a water well
or rate of flow (discharge), versus time is more generally called a hydrograph (in both groundwater and surface water). The main contributor to groundwater
Drawdown_(hydrology)
Sedimentary rock strata at differing angles
Some rivers can be characterized by a predictable seasonably controlled hydrograph (reflecting snow melt or rainy season). Others are dominated by durational
Cross-bedding
post-analysis and in continuous operations. Vflo output is in the form of hydrographs at selected drainage network grids, as well as distributed runoff maps
Vflo
2011 flood in Montana, USA
Hydrograph of observed and predicted river levels for the Musselshell River at Mosby on June 25, 2011.
2011_Musselshell_River_flood
List of ships with the same or similar names
a 14-gun corvette, was renamed Astrolabe in 1825. Astrolabe (1918), a hydrograph ship, lead ship of her class Astrolabe (1945), a hydrographic ship, formerly
French_ship_Astrolabe
Catchment response is very fast and allows very short lead times Entire hydrographs can be produced with low uncertainty with good quality data Prediction
Flash_flood_guidance_system
Classification systems for mass movement of rock and regolith
flood as the river level is declining (i.e. on the falling limb of the hydrograph) as shown in the following figures. It can also be significant in coastal
Landslide_classification
River in Massachusetts and Rhode Island, USA
from the original on 2012-03-21. Retrieved 2011-02-23. "Blackstone River Hydrograph". National Weather Service - Advanced Hydrologic Prediction Service. Archived
Blackstone_River
River that runs through mountains
Drainage density Exner equation Groundwater model Hack's law Hjulström curve Hydrograph Hydrological model Hydrological transport model Infiltration (hydrology)
Mountain_river
Community-operated watercourse
S2CID 84955013. Fernald, A. G.; Cevik, S. Y.; et al. (2010). "River hydrograph retransmission functions of irrigated valley surface water–groundwater
Acequia
Species of fish
razorback sucker in the Green River. These flows mimic a more natural hydrograph and allow larval razorback sucker to access off channel wetlands as nursery
Razorback_sucker
Drainage density Exner equation Groundwater model Hack's law Hjulström curve Hydrograph Hydrological model Hydrological transport model Infiltration (hydrology)
List of countries and dependencies without rivers
List_of_countries_and_dependencies_without_rivers
Unincorporated community in Pennsylvania, US
of highly precise and accurate data loggers have revealed the springs hydrograph to display discharge surges, while temperature, conductivity, and turbidity
Boiling_Springs,_Pennsylvania
Type of aquatic ecosystem with flowing freshwater
Drainage density Exner equation Groundwater model Hack's law Hjulström curve Hydrograph Hydrological model Hydrological transport model Infiltration (hydrology)
River_ecosystem
found an increase in mean annual runoff, instantaneous discharge, and hydrograph peak flow as a result of urbanization: "...changes in land use coincided
Hydrography of the Oak Ridges Moraine
Hydrography_of_the_Oak_Ridges_Moraine
Formerly natural waterway flowing through heavily populated area
into streams. These rapid flows into the urban stream lead to flashy hydrographs, where stream levels rise rapidly in response to precipitation events
Urban_stream
Irish politician and engineer (1922–2010)
numerous publications in the field of hydrology, having developed unit hydrograph theory in 1959, and is generally regarded as a pioneer in the field. His
James_Dooge
Tributary of the Connecticut River in Hampshire County, Massachusetts, USA
to Mill River (Northampton, Massachusetts). Mill River at Northampton hydrograph (National Weather Service) 42°23′59″N 72°43′57″W / 42.39972°N 72.73250°W
Mill River (Northampton, Massachusetts)
Mill_River_(Northampton,_Massachusetts)
Marginal wear of a watercourse
and change course. However, land management patterns that change the hydrograph and/or vegetation cover can act to increase or decrease channel migration
Bank_erosion
River in Bulgaria and Greece
Lalikidou, S.; Hrissanthou, V.; Kotsovinos, N. (2010-01-01). "Computation of hydrographs in Evros River basin". ResearchGate. pp. 33–42. Retrieved 2024-05-14
Erythropotamos
Study of groundwater's movement and distribution
out (Δh = Δψ). A record of hydraulic head through time at a well is a hydrograph or, the changes in hydraulic head recorded during the pumping of a well
Hydrogeology
Erosion of sediment near bridge foundations by water
Urbanization has the effect of increasing flood magnitudes and causing hydrographs to peak earlier, resulting in higher stream velocities and degradation
Bridge_scour
Two-dimensional model
models accepted for use in the national flood insurance program for flood hydrograph estimation. Input is best prepared by the Watershed Modeling System interface
GSSHA
River in northern California
agreement requires flows from the hydroelectric project to follow the natural hydrograph of the river, required the removal or dismantling of three small dams
Mokelumne_River
1961 Canada-United States agreement
afforded river managers a much greater degree of control over the river's hydrograph. Peak flows could now be more dramatically reduced, and low flows bolstered
Columbia_River_Treaty
Dust made from soil minerals
(2018-01-28). "Variation in Rising Limb of Colorado River Snowmelt Runoff Hydrograph Controlled by Dust Radiative Forcing in Snow". Geophysical Research Letters
Mineral_dust
Diagram Maps ·Durov Diagrams ·Ion Balance ·Flow Line Interpretation ·Hydrographs Petroleum Production Analysis tools Image Processing tools Coordinate
Rockworks
its history. The largest being the Ohio River flood of 1937 where the hydrograph measured a river depth of 80 feet—55 feet above normal levels. On December
History_of_Cincinnati
Rainfall-runoff-subsurface runoff simulation model
time step to determine how an inflow hydrograph to the LID unit is converted into some combination of runoff hydrograph, sub-surface storage, sub-surface
Storm_Water_Management_Model
commissioned 1963—1984 Hyäne (S80): Gepard-class (Type 143A) fast attack craft Hydrograph: survey vessel Ida (1859): armed steam ship Ill (1928): supply ship Ilmenau:
List of naval ships of Germany
List_of_naval_ships_of_Germany
River in Croatia
[permanent dead link] Neven Krešić; Ognjen Bonacci (2009). "Spring discharge hydrograph". In Neven Krešić; Zoran Stevanović (eds.). Groundwater Hydrology of Springs:
Ombla
River in Caquetá, Colombia
accessed November 2023. Hydrographs for the Orteguaza San Pedro Bodoquero Hacha and Dedo Rivers, from 1971; conv-link at Hydrographs ... at researchgate.com;
Bodoquero_River
Village in Michigan, United States
Cass City, Michigan, MI". ePodunk. Retrieved August 24, 2012. Cass City Hydrograph for the Cass River from a National Oceanic and Atmospheric Administration
Cass_City,_Michigan
Water management scheme in UK
of this regulation has a marked impact on the hydrograph of the River Dee. In dry years the hydrograph flat-lines at 10 m3/s whilst dry weather continues
Dee_Regulation_Scheme
coordinates) GPX (secondary coordinates) National Weather Service: Little River Hydrograph Little River Wetlands Project Maumee-Wabash Portage: The Glorious Gate
Little_River_(Indiana)
Hydrology of drainage basins
evaporation evapotranspiration event water groundwater flow Horton flow hydrograph infiltration intensity interception overland flow pre-event water subsurface
Catchment_hydrology
Italian academic
quadratic programming alternative to the constrained estimation of unit hydrographs as an alternative to the linear programming approach proposed by Eagleson
Ezio_Todini
2011 flood affecting Canada and USA
Souris River exceeded record flood levels at Minot. By June 26, all hydrographs on the Souris from the North Dakota side had recorded record-breaking
2011_Souris_River_flood
River in Oregon, United States
(primary coordinates) GPX (secondary coordinates) Marys River Watershed Council National Weather Service hydrograph Bureau of Land Management: Marys River
Marys_River_(Oregon)
Ukrainian politician (born 1951)
the association of real estate owners “GARDENING NON-PROFIT COMPANY “HYDROGRAPH”. After Russia annexed Crimea, she accepted Russian citizenship and joined
Larysa_Baidyuk
Glacial till landform above Lake Ontario, Canada
found an increase in mean annual runoff, instantaneous discharge, and hydrograph peak flow as a result of urbanization: "...changes in land use coincided
Oak_Ridges_Moraine
2011 major floods in the United States
Retrieved July 21, 2012. U.S National Weather Service. "Mississippi River Hydrographs". Retrieved May 31, 2011. "The Mississippi River & Tributaries Project:
2011_Mississippi_River_floods
River in California, United States
River Mills are a snow-fed high desert stream with a much more seasonal hydrograph. The lowermost part (Shasta Lake portion) of the Pit River system receives
Pit_River
Freshwater river and estuary in New Jersey, US
from the original on July 8, 2022. Retrieved July 8, 2022. "Toms River Hydrograph | U.S. Geological Survey". www.usgs.gov. March 17, 2010. Archived from
Toms_River
Amount of water an aquifer releases while staying saturated
Vertical Hydraulic Conductivities in Aquitards Using Extensometer and Hydrograph Data". Groundwater. 30 (5): 701–708. Bibcode:1992GrWat..30..701C. doi:10
Specific_storage
Computer program that simulates flow and water level, water quality and sediment transport
Temporal Analyst. RR module: a rainfall runoff module, including the unit hydrograph method (UHM), a lumped conceptual continuous hydrological model and a
MIKE_11
HYDROGRAPH
HYDROGRAPH
HYDROGRAPH
HYDROGRAPH
Boy/Male
Russian
Moorish.
Boy/Male
Indian, Sanskrit
Son of Siva
Girl/Female
Indian
Witty, One who has pleasant dreams, Imaginative
Girl/Female
Greek
A Fury.
Male
Egyptian
, the name of many Egyptian kings.
Boy/Male
Arabic, Indian, Muslim, Parsi, Pashtun, Sindhi
Offspring; Variant of A'zam; Greatest; Biggest; Powerful One
Boy/Male
Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Midnight; Silence; Sharp; Pointed
Biblical
brother of vanity, or of darkness, or of joy, or of praise; witty brother
Boy/Male
French American
Jove's child.
Boy/Male
Greek
A Titan.
HYDROGRAPH
HYDROGRAPH
HYDROGRAPH
HYDROGRAPH
HYDROGRAPH
n.
That branch of surveying which embraces the determination of the contour of the bottom of a harbor or other sheet of water, the depth of soundings, the position of channels and shoals, with the construction of charts exhibiting these particulars.
n.
The art of measuring and describing the sea, lakes, rivers, and other waters, with their phenomena.
a.
Alt. of Hydrographical
a.
Of or relating to hydrography.
n.
A map; esp., a hydrographic or marine map; a map on which is projected a portion of water and the land which it surrounds, or by which it is surrounded, intended especially for the use of seamen; as, the United States Coast Survey charts; the English Admiralty charts.
n.
One skilled in the hydrography; one who surveys, or draws maps or charts of, the sea, lakes, or other waters, with the adjacent shores; one who describes the sea or other waters.