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The topographic wetness index (TWI), also known as the compound topographic index (CTI), is a steady state wetness index. It is commonly used to quantify topographic control on hydrological processes. [1] The index is a function of both the slope and the upstream contributing area per unit width orthogonal to the flow direction.
Tangential speed and rotational speed are related: the greater the "RPMs", the larger the speed in metres per second. Tangential speed is directly proportional to rotational speed at any fixed distance from the axis of rotation. [1] However, tangential speed, unlike rotational speed, depends on radial distance (the distance from the axis). For ...
The net acceleration may be resolved into two components: tangential acceleration and centripetal acceleration. Unlike tangential acceleration, centripetal acceleration is present in both uniform and non-uniform circular motion. This diagram shows the normal force (n) pointing in other directions rather than opposite to the weight force.
Barotropic Rossby waves do not vary in the vertical [clarification needed], and have the fastest propagation speeds. The baroclinic wave modes, on the other hand, do vary in the vertical. They are also slower, with speeds of only a few centimeters per second or less. [5] Most investigations of Rossby waves have been done on those in Earth's ...
Runoff of water in channels is responsible for transport of sediment, nutrients, and pollution downstream. Without streamflow, the water in a given watershed would not be able to naturally progress to its final destination in a lake or ocean. This would disrupt the ecosystem. Streamflow is one important route of water from the land to lakes and ...
English: Plot of latitude vs Earth rotation tangential speed in m/s, km/h, mph and Mach number (assuming 300 m/s speed of sound). The dashed (blue) line shows that the tangential speed of Cape Canaveral is around 408 m/s. The dot-dash (green) line denotes typical airliner cruise speeds.
Evaluation of Water Quality Using Biotic Index Values [3] Biotic Index Water Quality Degree of Organic Pollution 0.00 - 3.50 Excellent No apparent organic pollution 3.51 - 4.50 Very Good Possible slight organic pollution 4.51 - 5.50 Good Some organic pollution 5.51 - 6.50 Fair Fairly significant organic pollution 6.51 - 7.50 Fairly Poor
The tangential speed of Earth's rotation at a point on Earth can be approximated by multiplying the speed at the equator by the cosine of the latitude. [42] For example, the Kennedy Space Center is located at latitude 28.59° N, which yields a speed of: cos(28.59°) × 1,674.4 km/h = 1,470.2 km/h.