| Term: | Ice jam |
| Definition: | 1.An accumulation of broken river ice caught in a narrow channel. Ice jams during freeze-up are quite porous, whereas breakup jams may comprise solid flows, frequently producing local floods during a spring breakup. 2.Fields of lake or sea ice thawed loose from the shores in early spring and blown against the shore, sometimes exerting great pressures. |
| Term: | Ice jam |
| Definition: | An accumulation of broken river or sea ice caught in a narrow channel. |
| Term: | Ice jam |
| Definition: | Sea ice terminology that describes an accumulation of broken river ice or sea ice which is not moving, due to a physical restriction and its resistance to pressure. |
| Term: | Ice jam |
| Definition: | (1) Accumulation of shuga including ice cakes, below ice cover. (2) Broken ice in a river which causes a narrowing of the river channel, a rise in water level and local floods. |
| Term: | Ice jam |
| Definition: | The accumulation of ice at a specific location along a stream channel. Can cause the reduction of stream flow down stream of the obstruction and flooding upstream. |
| Term: | Ice jam |
| Definition: | Blockage of a waterway by the accumulation of ice. |
| Term: | Ice jam |
| Definition: | A stationary accumulation that restricts or blocks streamflow. |