| aanvoer afvalwater |
flushing |
| Aanvullende waterbehoefte |
Additonal water demand of crops |
| Aanwas |
Accretion |
| Absolute viscosity µ [kg/m*s] |
Viscositeit µ [kg/m*s] |
| Absolute vochtigheid |
Absolute humidity |
| Advectie |
Advection |
| Afgesloten grondwater ( af te raden: spanningswater) |
Confined groundwater |
| Afgesloten watervoerende laag |
Confined aquifer |
| afkoppelen |
disconnection |
| afkoppelplan |
disconnection plan |
| Afstroming |
Runoff |
| Afvoer |
Discharge |
| Afvoerbare neerslag ( overtollige neerslag, effectieve neerslag) |
Effective precipitation |
| Afvoerduurlijn |
Discharge duration curve |
| afvoerend oppervlak |
runoff surface area |
| Afvoerkromme |
Stage- discharge curve |
| Afvoersysteem |
Drainage system |
| Afvoerverlooplijn |
Hydrograph |
| Afwateringsgebied |
Drainage basin |
| Artesisch- watervoerende laag |
Artesian aquifer |
| B boezemkade, kanaaldijk |
B dike |
| basis rioleringsplan |
basic sewer system plan |
| Basisafvoer |
Base flow |
| basisinspanning |
basic effort |
| Beek ( vele streekbenamingen) |
Brook, stream |
| Beerput |
Cesspit |
| Beleid |
Policy |
| Bemalen |
Pumped drainage |
| Bemalingsgebied |
Pumped drainage area |
| Benedenloop |
Lower reach |
| Beregening ( besproeiing) |
sprinkler irrigation |
| bergbezink voorziening |
storage setting facility |
| bergbezinkbasin (BBB) |
storage settling basin |
| Berging ( geborgen hoeveelheid water, waterinhoud) |
Storage |
| berging door plasvorming |
retention in puddles |
| bergingsbak |
storage basin |
| bergingscapaciteit |
storage capacity |
| Bergingsvermogen (verzadigingstekort) |
Storage capacity, saturation deficit |
| Bestemmingsplan |
Zoning scheme |
| Beschikbaar bodemwater, beschaakbaar bodemvocht |
Available soil water, available soil moisture |
| Bevloeiing |
Surface irrigation |
| Bewortelde zone |
Root penetrable zone |
| binnen onderkant buis (b.o.k.) |
invert level |
| Binnendijks land |
Land inside the dikes |
| Binnenwaterkering, tweede waterkering |
A back dike, safety dike, secondary dike |
| Bodemdaling (zakking) |
Subsidence (sinking, sink) |
| Bodemtransport ( sleeptransport) |
Bed load |
| Bodemverhang bij kritische stroomsnelheid Sc, Ic [-] |
Slope of channel bed to give critical flow Sc, Ic [-] |
| Bodemverhang So, Ib [-] |
Slope of (channel) bed So, Ib [-] |
| Bodemwater ( bodemvocht) |
Soil water, soil moisture |
| Bodemwaterkarakteristiek (bodemvochtkarakteristiek) |
Water retentivity curve, moistur characteristic, water retention curve |
| Bovenloop |
Upper reach |
| Branden |
To break |
| Branding |
Breakers, breakerzone |
| Breedte b,B [m] |
Width b,B [m] |
| Bruto neerslag |
Gross precipitation |
| Buitendelta |
Outer delta |
| Buitendijks land |
Foreland |
| Capillaire opstijging |
Upward capillary migration, capillary rise |
| Capillaire zoom (vol- capillaire zone) |
Capillary fringe |
| Chézy coefficient C [m1/2/s] |
Chézy coefficient C [m1/2/s] |
| Continentaal plat |
Continental shelf |
| Contractie coefficient µ [-] |
Contraction coefficient µ [-] |
| Convectie |
Convection |
| Debiet |
Flow rate |
| Debiet / Afvoer Q [m3/s] |
Flow rate/ Discharge Q [m3/s] |
| Debiet per m breedte q [m3/s*m] |
Discharge per unit width q [m3/s*m] |
| Delta |
Delta |
| Diameter D [m] |
Diameter D [m] |
| Diameter D [m] |
Diameter D [m] |
| Dichtheid van droge grond |
Bulk density of dry soil, dry bulk density |
| Dichtheid van grond ( volumieke massa van grond) |
Bulk density of wet soil, welt bulk density |
| diffuse bronnen |
diffuse sources |
| Doodtij ( kranktij) |
Neap tide |
| Doorlaatfactor, doorlaatcoëfficiënt, doorlaatendheidscoëfficiënt |
( hydraulic) conductivity |
| Doorlaatsluis |
Sluice |
| Doorlaatvermogen (kD– waarde) |
Transmissivity, coëfficiënt of transmissibility |
| Doorlatendheid |
Permeability |
| Draaikolk ( kolk, wieling) |
Whirlpool |
| Drain |
Drain pipe |
| Drainage |
Drainage, subsurface drainage, drainage system |
| Drainagebasis, ontwateringsbasis |
Drainage base |
| Drempelbreedte [m] |
crest width |
| Drempelhoogte |
crest level |
| Drooglegging |
Freeboard |
| Droogmakerij |
Reclaimed lake |
| Druk p [Pa]=[N/m2] |
Pressure p [Pa]=[N/m2] |
| Drukhoogte |
Pressure head |
| Drukhoogte y, h [m] |
Pressure head y, h [m] |
| drukleiding |
pressure pipes |
| drukriolering |
pressure sewer system |
| Druppelirrigatie |
Drip irrigation, trickle irrigation, micro irrigation |
| Duiker |
Culvert |
| Eenparige stroming |
Uniform flow |
| Effectieve grondwatersnelheid (opdringsnelheid, af te raden: werkelijke snelheid) |
Effective velocity |
| Energie E [J]=[Nm] |
Energy E [J]=[Nm] |
| Energiehoogte H [m] |
Total Head (energy) H [m] |
| Energieverlies ∆H [m] |
Head loss ∆H [m] |
| Erosie (uitschuring) |
Erosion, scouring |
| Estuarium |
Estuary |
| Europese richtlijn Stedelijk Afvalwater |
European Urban Waste water directive |
| Evapotranspiratie ( werkelijke verdamping) |
(actual) evapotranspiration |
| Evenwichtsdiepte |
Equilibrium depth |
| Evenwichtsdiepte yn, hn [m] |
Normal depth yn, hn [m] |
| Evenwichtswaterverdeling, evenwichtsvochtverdeling |
Equilibrium soil water distribution |
| Filtersnelheid ( specifiek debiet, “Darcy- snelheid”, af te raden: schijnbare grondwatersnelheid) |
Apparent velocity, specific discharge |
| Flauw talud |
Gentle slope, gradual slope / gradient |
| foute aansluitingen |
wrong connections |
| Freatisch water ( vrij grondwater, af te raden: ondiep grondwater) |
Phreatic water, unconfined groundwater |
| Functioneren van de voorzieningen |
Performance of the facilities |
| GBKN |
Large-scale standard map of the netherlands |
| Gedeeltelijk afgesloten grondwater ( af te raden: semi- spanningswater) |
Semi- confined groundwater |
| Gedeeltelijk afgesloten watervoerende laag |
Semi- confined aquifer, leaky aquifer |
| gemeente |
Municipalitie |
| Gemeentelijk rioleringsplan |
Municipal sewer system plan / Municipal Sewerage Plan |
| Gemeentelijke verordeningen |
Municipal bye-laws |
| gemengd |
combined |
| gemengd rioolsysteem |
combined sewer system |
| Gemiddelde hydraulische diepte Dm [m] |
Hydraulic mean depth Dm [m] |
| Gemiddelde stroomsnelheid V, ū [m/s] |
Average velocity V, ū [m/s] |
| Gemiddelde zeestand ( middelstand, af te raden term) |
Mean sea level |
| gescheiden rioolsysteem |
separate sewer system |
| Getal van Froude Fr [-] |
Froude Number Fr [-] |
| Getal van Reynolds Re [-] |
Reynolds number Re [-] |
| Getijde ( tij, getij) |
Tide |
| Getijrivier |
Tidal river |
| getijverschil |
Tidal range |
| Gras- referentie- verdamping |
Reference grass evapotranspiration |
| Grensdiepte |
Critical depth |
| Grenslaag δ [m] |
Boundary later thickness δ [m] |
| Greppel |
Trench, grip, furrow |
| Groene rivier |
Grassed waterway |
| Grondwater, vergelijk bodemwater |
groundwater |
| Grondwaterafvoer |
Groundwater discharge |
| Grondwaterisohypse ( plaats- stijghoogtelijn) |
Water table isohypse, contour line of water table |
| Grondwaterspiegel (freatisch vlak) |
Phreatic surface, water table |
| grondwaterstand |
ground water table |
| Grondwaterstand (freatisch niveau) |
Phreatic level, groundwater level |
| Grondwaterstandbuis ( af te raden: landbouwbuis) |
Piezometer |
| Grondwaterstandsdiepte ( af te raden: grondwaterdiepte) |
Depth of the groundwater level, (phreatic level) below groundsurface |
| Grondwatervoorraad |
Groundwater storage |
| Havenhoofd |
Jetty, training wall, breakwater |
| hemelwater |
stormwater |
| Hoge vloed |
High tide |
| Hoofdwaterkering |
Principal flood protection, primary dike |
| Hoogwater |
High tide, high water, flood |
| huisaansluiting |
rodding eye |
| huishoudelijk afvalwater |
domestic wastewater |
| hybride? |
Hybrid system |
| Hydraulisch verhang (wrijving) Sf [-] |
Slope of hydraulic gradient (friction) Sf [-] |
| Hydraulische diameter D [m] |
Hydraulic Diameter D [m] |
| Hydraulische ruwheid |
Hydraulic roughness |
| Hydraulische straal |
Hydraulic radius |
| Hydraulische straal R [m] |
Hydraulic radius R [m] |
| Hydrologie |
Hydrology |
| Hydrologische kringloop (kringloop van water) |
Hydrologic(al) cycle |
| Hysteresis van de bodemwaterkarakteristiek (waterdrukhysteresis, hysteresis van de bochemvochtkarakteristiek) |
Hysteresis of the soil water (moisture) characteristic |
| individuele behandeling afvalwater (IBA) |
individual wastewater treatment systems |
| Infiltratie |
Infiltration |
| Infiltratie- intensiteit |
Infiltration rate |
| Infiltratiecapaciteit (maximale infiltratie- intensiteit, infiltratievermogen) |
Infiltration capacity |
| Injectie |
Deep well recharge |
| Inklinking ( klink) |
Subsidence by lowering of the piezometric head |
| Inlaagdijk |
Safety dike |
| Inlaatsluis( inlaatwerk) |
Inlet sluice |
| Inslagpeil (pomp) |
Switch-on level |
| Insijpeling |
Subsurface irrigation |
| inspectieput |
manhole |
| inspectieput |
manhole |
| Interceptie |
Interception |
| interceptie (neerslag) |
interception |
| Irrigatie |
Irrigation |
| kader richtlijn water |
Water framework directive |
| Kanaal ( vele streekbenamingen) |
Canal |
| Kanaliseren |
To canalise |
| Keersluis |
Non- return sluice |
| Kentering |
Turn of the tide, slack tide |
| Keur waterschap |
Water boar statutes |
| Kinematische viscositeit ʋ [m2/s] |
Kinematic viscosity ʋ [m2/s] |
| Kracht F [N] |
Force F [N] |
| Kreek |
Creek |
| Krimp, zakking |
a shrinkage, b subsidence by shrinkage |
| Kritische diepte yc, hc [m] |
Critical depth yc, hc [m] |
| Kritische stroming |
Critical flow |
| Kwel |
Seepage, exfiltration |
| Lange overlaat |
Broad crested weir |
| Laagwater |
Low tide, low water, low stage |
| Laminaire stroming |
Laminar fow |
| Lengte L [m] |
Length L [m] |
| Length L [m] |
Lengte L [m] |
| Linkeroever |
Left bank |
| Local head loss hl [m] |
Lokaal energieverlies hl [m] |
| Local loss coefficient kl [-] |
Lokaal verlies coefficient kl [-] |
| Lokaal energieverlies hl [m] |
Local head loss hl [m] |
| Lokaal verlies coefficient kl [-] |
Local loss coefficient kl [-] |
| Lozing |
Discharge |
| Maatgevende afvoer, ontwerpafvoer |
Design discharge |
| Maatgevende regenduur |
Critical rainfall duration |
| maatregelen |
Action plan |
| Massa m [kg] |
Mass m [kg] |
| Meetgoot |
( flow measuring) flume |
| Meetnet |
Measure network |
| Meetschot, korte overlaat |
Thin- plated weir, sharp- crested weir |
| Meetstuw |
Measuring weir |
| Middenloop |
Middle reach |
| milieutechnische maatregelen |
environmental requirements |
| Natte doorsnede A [m2] |
Wetted Area of flow A [m2] |
| Natte omtrek |
Wetted perimeter |
| Natte omtrek P [m] |
Wetted perimeter P [m] |
| Natte oppervlakte |
Wetted area |
| Natuurlijke grondwateraanvulling (af te raden: nuttige neerslag) |
Natural groundwater recharge |
| Nationaal Bestuursakkoord Water |
National Water Administration Agreement |
| Natuurlijke oever |
riparian zone |
| Neerslag (neerslag hoeveelheid) |
Precipitation |
| Neerslag overschot |
Precipitation excess |
| Neerslag tekort (werkelijk neerslag tekort) |
Precipitation deficit |
| Netto neerslag |
Net precipitation |
| Normaal Amsterdams Peil (NAP) |
Reference level in the Netherlands |
| Normaliseren |
To regulate |
| OAS |
wastewater system optimalisation |
| ondoorlatend oppervlak |
impervious surface |
| Ontwatering |
Drainage |
| Ontwatering |
Drainage |
| Ontwateringsdiepte |
Depth to the groundwater table |
| Onverhard oppervlakte |
Unpaved Area |
| Onverzadigde zone |
Unsaturated zone |
| Opbolling |
Differential head |
| Open- water- verdamping ( open- water- referentie- verdampng, “Penman- verdamping”) |
Open water evaporation |
| oppervlakkige afvoer |
surface runoff |
| Oppervlakkige afvoer (tussenstroom) |
Interflow |
| Oppervlakte- afvoer |
Surface runoff |
| Oppervlaktewater |
Surface water |
| oppervlaktewater |
surface water |
| Opwas |
Barrier |
| Overlaat ( overloop) |
Spillway |
| overstort |
overflow |
| overstortfrequentie |
overflow frequency |
| overstromen |
flooding |
| Panverdamping |
Pan evaporation |
| Peilbuis ( stijghoogtebuis, waarnemingsbuis) |
Observation well |
| Peilgebied |
Fixed drainage level area |
| pendelberging (pomp) |
hysteresis storage capacity |
| Percolatie (doorsijpeling) |
Percolation |
| persleiding |
pressure pipe |
| piekafvoer |
peak rate of runoff |
| Piëzometrische druk p* [Pa]=[N/m2] |
Piezometric pressure p* [Pa]=[N/m2] |
| Plaat |
Bank |
| Plaatshoogte |
Elevation head, potential head |
| Plaatshoogte z [m] |
Potential head z [m] |
| poc pompovercapaciteit |
excess pumping capacity |
| Polder |
Polder |
| Polderpeil |
Polder water level |
| Porositeit (poriëngehalte, poriënfractie) |
Porosity |
| Potentiaal van het water, vochtpotentiaal |
Moisture potential, soil water potential |
| Potentiële evapotranspiratie (potentiële verdamping) |
Potential evapotranspiration |
| Rechteroever |
Right bank |
| referentiebeeld |
ecological reference images |
| Regenduurlijn |
Rainfall depth curve, rainfall duration curve, rainfall frequency curve |
| regenduurlijnen |
rain duration lines |
| Regenrivier |
River with a pluvial regime |
| regenwater riool |
storm sewer |
| Reguleren |
To regulate |
| Relatieve vochtigheid |
Relative humidity |
| Retrobutie (ivm rioolrecht) |
Retribution |
| Rioolbeheer |
Sewer system management |
| Rioolrecht / rioolheffing |
Sewerage tax |
| Rioolrecht verordening |
Sewerage tax statute |
| Rivier |
River |
| Rivierbed (bedding) |
River bed |
| Rivierdijk, Oeverwal |
Levee |
| Riviertak ( rivierarm) |
Branch of a river |
| Ruwheidscoefficient van Manning n [s/m1/3] |
Manning’s roughness coefficient n [s/m1/3] |
| Schietend water |
Supercritical flow |
| Schijnspiegel ( bovenste freatisch oppervlak, tijdelijk freatisch oppervlak, zwevende grondwaterspiegel) |
Perched water table, apparent water table |
| Schor ( in zuidwesten) gors ( in riviergebied), kwelder ( in noorden) |
Dry shoal |
| Schutsluis ( sas, zijl , verlaat) |
Lock |
| Sedimentatie |
Sedimentation |
| Sifon ( onderleider, grondduiker) |
Inverted siphon |
| Slibvang |
Silt strap |
| Slik |
Tidal flat |
| Sloot |
Ditch, drain |
| Slufter |
Tidal creek |
| Smelwaterrivier |
Glacial river |
| Spaarbekken |
Storage reservoir, lock reservoir |
| Specifieke energie (hoogte) Es, Hs [m] |
Specific energy / head Es, Hs [m] |
| Springtij ( giertij) |
Spring tide |
| Spuisluis |
scouring sluice, drainage sluice |
| Stedelijke riolering |
Urban drainage / Urban sewer system |
| Stedelijke wateropgave |
Urban Water Task |
| Steil talud |
Steep slope / gradient |
| Stijghoogte |
Hydraulic head |
| Stijghoogte |
Hydraulic head, piezometric head piezometric level |
| Stijghoogte- oppervlak |
Piezometric surface |
| Stormvloed |
Storm surge |
| Stormvloedkering |
Storm surge barrier |
| Straal R,r [m] |
Radius R,r [m] |
| straatkolken |
gully inlets |
| Strandhoofd |
Groyne |
| Strang ( hank) |
Oxbow lake, bayou |
| streefbeeld |
ecological target image |
| streng |
sewer branch |
| Stromend water |
Subcritical flow |
| Stromingsweg |
Path line, flow path |
| Stroomafwaarts |
Down stream |
| Stroombaan ( stroombuis) |
Stream tube |
| Stroomgebied |
River basin, catchment, catchment area |
| Stroomlijn |
Stream line |
| Stroomlijn |
Stream line bij permanentie: path line |
| Stroomopwaarts |
Upstream |
| Stroomsnelheid u,v [m/s] |
Velocity u,v [m/s] |
| Stuw |
Weir, barrage |
| Stuwdam |
Storage dam |
| Stuwmeer ( stuwbekken, vergaarkom) |
(storage) reservoir |
| Stuwpeil |
Target level |
| Talweg |
Thalweg |
| Tensiometer |
Tensiometer |
| Tensiometerdruk |
Tensiometer pressure |
| Terugslagklep |
No return valve |
| Terp |
(artificial) dwelling mound |
| Topafvoer |
Peak discharge |
| Transpiratie ( plant verdamping) |
transpiration |
| Turbulente stroming |
Turbulent flow |
| Uiterwaard |
Flood plain, foreland subject to flooding |
| uitlaat |
outfall |
| uitslagpeil (pomp) |
Switch-off level |
| Uitwateringssluis (spuisluis, in getij gebied: suatiesluis) |
Outlet sluice, drainage sluice |
| Veldcapaciteit |
Field capacity |
| verbeterd gemengd |
improved combined system |
| verbeterd gescheiden |
improved separate system |
| verbeterd met afkoppeling |
improved with infiltration |
| Verdamping |
Evaporation |
| Verhang ( waterspiegelverhang) |
Hydraulic gradient |
| Verhang S, I [-] |
Slope S, I [-] |
| Verhang wateroppervlak Ss [-] |
Slope of water surface Ss [-] |
| Verhard oppervlakte |
Paved Area |
| Verlies coefficient ξ [-] |
Loss coefficient ξ [-] |
| Versnelling van de zwaartekracht g [m/s2] |
Gravitational acceleration g [m/s2] |
| Verticale weerstand ( weerstand tegen verticale stroming, c– waarde) |
Vertical flow resistance, hydraulic resistance |
| Verval |
Head loss |
| Verwelkingspunt |
Wilting point |
| Verzadigde zone |
Zone of saturation |
| Verzameldrain |
Collector drain |
| Verzilting |
Salinisation |
| Viscositeit µ [kg/m*s] |
Absolute viscosity µ [kg/m*s] |
| visie |
Vision statement |
| Vistrap |
fish ladder |
| Vloedgolf |
Tsunami |
| Volume V [m3] |
Volume V [m3] |
| Volume V [m3] |
Volume V [m3] |
| Volumieke massa ρ [kg/m3] |
Density of liquid ρ [kg/m3] |
| Voldoen aan de basisinspanning |
to meet the basic effort requirements |
| Vrij lozend gebied |
Gravitational dischare area |
| vrijverval riolering |
gravity sewer system |
| vuiluitworp |
emission of pollutants |
| vuilwater |
wastewater |
| vuilwater riool |
foul sewer |
| vuilwaterafvoer |
foul water flow |
| vullingsgraad |
filling level |
| waakhoogte |
freeboard |
| Wad |
Shallow |
| wadi |
swale |
| Wandruwheid, k-waarde ks, k [m] |
Surface roughness ks, k [m] |
| Wantij |
A wan tide, tideless point |
| Waterwet |
Water act |
| Waterbalans |
Water balance |
| Waterbeheer |
Water management |
| Waterbeheersing |
Water control |
| Waterdiepte |
Water depth |
| Waterdruk ( relatieve waterdruk (af te raden: waterspanning)) |
Water pressure |
| Waterdrukprofiel, vochtdrukprofiel |
Soil water pressure profile |
| Watergebruik |
Water use |
| Watergehalte ( vochtgehalte) |
Water content |
| Watergehalteprofiel (watergehalteverdeling, vochtgehalteprofiel, vochtgehalteverdeling) |
Soil water profile |
| Waterhoogte ( waterstand, peil) |
Water level, stage |
| Waterhoudend vermogen, vochthoudend vermogen |
Soil water retention, water holding capacity |
| Waterhuishouding |
Water management |
| waterketen |
water chain |
| Waterloop |
Water course, conduit |
| waterreservoir |
cistern |
| Waterscheiding |
Catchment boundary |
| waterslag |
water hammer |
| Watersprong |
Hydraulic jump, stationary wave |
| Weerstandscoëfficiënt |
Roughness coefficient |
| Wet verontreiniging oppervlaktewater (WVO) |
Surface Water Pollution Act |
| Wegzijging |
Downward seepage |
| Wet verankering en bekostiging gemeentelijke watertaken |
Municipal Water Tasks Establishment and Funding Act |
| Wet op de waterhuishouding |
Water management act |
| Wetgeving |
Legislation |
| Wervel |
Vortex |
| Winterbed |
Winter- bed |
| Wortelzone ( bewortelde zonde) |
Root zone |
| Wrijvingsfaktor λ [-] |
Friction factor λ [-] |
| Wrijvingsverlies hf [m] |
Head loss by friction hf [m] |
| Zandvang |
Sand trap |
| Zeearm |
( tidal) inlet |
| Zeegat |
Passage to the sea, estuary mouth |
| Zeewering |
Sea defence |
| Zetting |
Settlement by load application |
| Zijrivier |
Tributary |
| Zoet- zout grensvlak |
Fresh- water/ salt- water interface |
| Zoetwater- stijghoogte |
Fresh- water head |
| Zomerbed |
Summer- bed |
| Zorgplicht voor stedelijk afvalwater |
mandatory management of urban wastewater |
| Zorgplicht voor afvloeiend hemelwater en grondwatermaatregelen |
Mandatory management of rainwater and groundwater measures |
| Zoutindringing ( zoutintrusie) |
Sea water intrusion, salt intrusion |
| Zouttong |
Salt wedge |
| Zoutwater- stijghoogte |
Salt- water head |
| Zuigspanning |
Suction |
| Zuivering (RWZI) |
Waste water treatment plant |
| Zwelling |
Swelling |
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