siltation
81Upwelling — If the wind in blows parallel to the coast in the southern hemisphere (such as along the coast of Peru, where the wind blows North), then Ekman transport produces a net movement of surface water 90 degrees to the left. This can result in coastal… …
82Storm — Windstorm redirects here. For the type of storm in Europe, see European windstorm. For the Gloria Jones album, see Windstorm (album). For other uses, see Storm (disambiguation). A shelf cloud associated with a heavy or severe thunderstorm over… …
83Dumfries, Virginia — This article is about the town in the United States. For the town in Scotland, see Dumfries. Dumfries, Virginia   Town   Lo …
84River Wensum — Wensum River A tree lined section of the River Wensum as it flows through the city of Norwich, seen in July 2005 …
85Seabird — This article is about the animal. For the alternative rock band of the same name, see Seabird (band). The Sooty Tern is highly aerial and marine and will spend months flying at sea, returning to land only for breeding.[1] Seabirds (also known as… …
86Manila Bay — Location Luzon Island, Philippines River sources Pasig River …
87River delta — Nile River delta, as seen from Earth orbit. The Nile is an example of a wave dominated delta that has the classic Greek delta (Δ) shape after which river deltas were named. A delta is a landform that is formed at the mouth of a river where that… …
88Silt — is soil or rock derived granular material of a grain size between sand and clay. Silt may occur as a soil or as suspended sediment in a surface water body. It may also exist as soil deposited at the bottom of a water body. Source Silt is… …
89Brahmaputra River — Coordinates: 25°13′24″N 89°41′41″E / 25.22333°N 89.69472°E / 25.22333; 89.69472 …
90Ramsar Convention — RAMSAR Logo The Ramsar Convention (The Convention on Wetlands of International Importance, especially as Waterfowl Habitat) is an international treaty for the conservation and sustainable utilization of wetlands,[1] i.e., to stem the progressive… …
