SIO 15 Lecture 13: lecture 13
Document Summary
Nb: more people drown in deserts than die of thirst! unusually strong thunderstorms can lead to cloudbursts habitation of floodplain increases risk of death and loss. Regional floods typically the type of flood with few deaths but extensive damage high water inundating extensive region for weeks large river valleys with low topography prolonged (heavy) rain from extended cyclonic systems. Discharge the amount of water discharged through the stream"s cross- section per second discharge=average flow velocity * height of water column*width of channel latter two multiply to be the area of the cross-section. Disch ge [m m g m: 84, 1143, 38. 3, 42. 5, 1, 1, 94,500, 2,676, 33,500, 950, 23,490, 665, 650,000, 18,400, 265,000, 7500, 1,240,000, 35,100, 22,500, 640, 384,000, 10,875, 2,400, 68, 964,000, 27,300, 593,000, 16,790, 3,065,000, 86,790, san. Die go: tijuana, sacram ento, columb ia, colorad, rio. Gra nde: mississi ppi, volga, danube, rhine, elbe, 19, 71, 20, 23, 30, 37, 36, 28, 12, 10, 187.