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Small Decentralized Hydropower Program National ... - Cd3wd.com

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seleccionados, se pueden determinar las caracter-<br />

isticas de capacidad y energfa. A pesar de que este<br />

procedimiento ha sido llamado ‘ ‘probabilistico” es<br />

solamente el aiIo indice el que realmente posee ver-<br />

dadera inferencia probabilistica. No existe ninguna<br />

certeza acerca de la probabilidad de la distribution<br />

fluvial anual dentro de ese aiio. Por lo tanto es muy<br />

importante inspeccionar ese aCo en busca de<br />

anomalias percibidas, y <strong>com</strong>a el aceplar el concept0<br />

Enero<br />

true, one can enter the graph with the known<br />

discharge value (at a specified exceedance level)<br />

of the long-record station and determine the cor-<br />

responding value (at the same exceedance<br />

percentage) for the short-record station. Table 1<br />

illustrates the proce dure. Reasonable approxima-<br />

tions appear to be possible using this procedure.<br />

As will be seen later, flow-duration curves can<br />

be used (with other data) to determine optimal<br />

0 25 5c 75 100<br />

Porcentaje Excedenk<br />

Percent Exceedance<br />

Figura 3. Curvas de DuraciBn Fluvial Cotidianas para<br />

Junio y Enero; Rio Salm6n en Whitebird,<br />

Idaho<br />

Figure 3. Daily Flow Duration Curves for June and<br />

January; Salmon River at Whitebird, Idaho

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