A sediment ridge, located on a glacier's exposed ice surface, away from its valley walls, extending down glacier to the terminus. It forms by the joining of two lateral moraines when two glaciers merg
e.
A ridge-shaped moraine in the middle of a glacier originating from a rock outcrop, nunatak, or the converging lateral moraines of two or more ice streams.
The measure of central tendency of a set ofn. values computed by ordering the values and taking the value at position(n. + 1) / 2 when n. is odd or the arithmetic mean of the values atpositions n. / 2
and (n. / 2) + 1 when n. is even.