Small Decentralized Hydropower Program National ... - Cd3wd.com
Small Decentralized Hydropower Program National ... - Cd3wd.com
Small Decentralized Hydropower Program National ... - Cd3wd.com
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Reservorio - laguna, lag0 0 cuenca, ya sea natural 0<br />
artificial para almacenamiento, regulaz%n, y control c!el<br />
agua.<br />
Curva de Masa Residual - una grafica de las partidas<br />
cumulativas de una refwencia dada tal <strong>com</strong>a el promedio<br />
aritm6tico que se dibuja corn3 ordena& y se representa<br />
grticamente en <strong>com</strong>paraci6n el tiempo o fecha <strong>com</strong>a<br />
abscisa. (Ver Curva de Masa).<br />
Flujo Retomante - aquella porci6n de1 agua irrigada que<br />
no es consumida por evapotranspiraci6n y que retorna a<br />
.cu fuente u otro cuerpo de agua. El tknino tambikn se<br />
aplica al agua descargada por plantas industriales.<br />
Tambien se le llama agua retornante.<br />
Riberefio - relacionado con 10s bancos de una corriente.<br />
Afluencia - aquella parte de la precipitaci6n que<br />
aparece en las corrientes de la superficie. Es lo mismo que<br />
el caudal afectado por desviaciones artificiales, almacena-<br />
miento o cualquier otro trabajo civil hecho por el hombre<br />
dentro o sobre lo canales de las corrientes. Tambien se<br />
puede clasificar la afluencia de la sigdiente manera:<br />
Clasificaci6n de acuerdo con la velocidad de aparaci6n<br />
despuk de la lluvia o de1 derretimiento de la nieve:<br />
Afluencia directa<br />
Afluencia de base<br />
Clasificaci6n de acuerdo con la Fuentr de procedencia<br />
Afluencia Superficial (Ver Flujo sobre Tierra)<br />
Filtraci6n de Tormenta<br />
Afluencia de Agua Subterranea<br />
Energia Secundaria - toda energia hidroektrica<br />
diferente de la Energ5a Firme.<br />
Sediment0 - material fragmentado qw 0 origka con la<br />
erosi6n de las rotas y es transportado, suspenaido o<br />
depositado por el agua o el aire y se acumula en 10s lechos<br />
con la ayuda de otros agentes naturales.<br />
Servicio de Paralizachh - el paro de una unidad<br />
generadora, linea de transmisibn u otra facilidad para in-<br />
speccicin, mantenimiento 0 reparacibn.<br />
Del Agua Superficial - desviaci6n de1 agua de una cor-<br />
riente o conduct0 por medio de un derrame superficial<br />
para evitar la desviackin de arena, sediment0 u otros<br />
es<strong>com</strong>bros acarrados <strong>com</strong>a carga de1 fondo.<br />
Reserva Disponible - las unidades generadoras que<br />
operan sin ninguna carga 0 con carga partial con<br />
capacidad excesiva disponible lista para suministrar o<br />
soportar cargas adicionales.<br />
Nivel - la altura de la superficie de1 agua encima de un<br />
plano establecido; tambien es un calibrador de la altura.<br />
Curva de Capaeidad de Nivel - una grtica que ilustra la<br />
relaci6n que existe entre la superficie de la elevaci6n de1<br />
agua en un reservor,, lue se representa <strong>com</strong>a ordenada<br />
<strong>com</strong>parada con 5; volumtn debajo de esa elevaci6n que se<br />
representa <strong>com</strong>a abscisa.<br />
Service Outage - the shut-down of a generating unit,<br />
transmission line or other facility tor inspection,<br />
maintencance, or repair.<br />
Skimming - the diversion of water from a stream or<br />
conduit by a shallow overflow used to avoid diversion<br />
of sand, silt or other debris carried as bottom load.<br />
Spinning Reserve - generating units operating at no<br />
load or at partial load with excess capacity readily<br />
available to support additional Lad.<br />
Stage - the height of a water surface above an<br />
established datum plane; also gauge height.<br />
Stage-capacity Curve - a graph showing the relation<br />
between the surface elevation of the water in a reser-<br />
voir, usually plotted as ordinate, against the volume<br />
below that elevation, plotted as abscissa.<br />
Stage-discharge Cuwe (rating curve) - a graph show-<br />
ing the relation between the gauge height, usually<br />
plotted as ordinate, and the amount of water flowing<br />
in a channel, expressed as Volume per unit Gf time,<br />
plotted as abscissa.<br />
Storage - 1. Water artificially impounded in surface<br />
or underground reservoirs, for future use. The term<br />
regulation refers to the action of this storage in modi-<br />
fying streamflow. See also Conservation storage, Total<br />
storage. The term “draingage basin storage” or simply<br />
“basin storage” is sometimes used to refer collective-<br />
ly to the amount of water in natural storage in z<br />
drainage basin.<br />
Storage-required Frequency Cuwe - a graph showing<br />
the frequency with which storage equal to or greater<br />
than selected amounts will be required to maintain<br />
selected rates of regulated flow.<br />
Stream - a general term for a body of flowing water.<br />
In hydrology the term is generally applied to the water<br />
flowing in a natural channel as distinct from a canal.<br />
More generally as in the term stream gauging, it is ap-<br />
plied to the water fiowing in any channel, natural or<br />
artificial.<br />
Streams in natural channels may be classified as<br />
follows:<br />
330<br />
Relation to time.<br />
Perennial. One which flows continuously.<br />
Intermittent or seasonal. One which flows only at<br />
certain times of the year when it receives water<br />
from springs or from some surface source such<br />
as melting snow in mountainous areas.<br />
Ephemeral. One that flows only in direct response<br />
to precipitation, and whose channel is at all<br />
times above the water table.<br />
Relation to space.<br />
Continous. One that does not have interruptions<br />
in space.<br />
Interrupted. One which contains alternating