Arquivos: Glossário

All lands enclosed by a continuous hydrologic drainage divide and lying upsl ope from a specified point on a stream.

Strips of material used to prevent leakage through joints between adjacent sections of concrete.

State of the atmosphere at any particular time and place.

Process whereby earthy or rocky materials are changed in color, texture, composition, or form (with little or no transportation) by exposure to atmospheric agents.

A firm’s average cost of obtaining capital from debt and sale of stock, expressed as an average interest rate weighted by the firm’s percentages of debt and equity. For example, suppose a firm’s assets are 40 percent debt and 60 percent equity, and it pays 10 percent interest on debt and pays a 6 percent […]

A value obtained by multiplying each of a series of values by its assigned weight and dividing the sum of these products by the sum of the weights. In the ordinary arithmetic mean, each value is assigned a weight of 1.

Device for determining the quantity of water flowing over it.

Wooden or concrete box oblong in shape and open at both ends, set lengthwise in a canal and in which a weir is set crosswise.

Reflect the total economic gain associated with the quantities of a product that are transacted. They include both the consumer and producer surplus and are different from exchange values to the extent of consumer surplus. It may also reflect the net economic gain, which is equivalently derived as either the total economic gain less the […]

Horizontal or vertical excavation or opening into the ground made by digging , boring, drilling, jetting or driving for utilizing or monitoring underground waters.