The mass balance between sediment being transported and sediment in the bed is described by the Exner equation.

Drink some cool freshwater.

55 196. International Year of Freshwater, 2003

All of the living species inhabit freshwater.

Colombia is the sixth country in the world by magnitude of total renewable freshwater supply, and still has large reserves of freshwater.

2003 was designated the International Year of Freshwater.

1 The scope of UN Water's work encompasses all aspects of freshwater, including surface and groundwater resources and the interface between freshwater and seawater.

Erosion accelerates as the mountains rise, and great volumes of sediment are shed into the rivers, which carry sediment away from the mountains to be deposited in sedimentary basins in the surrounding lowlands.

Three sheets of sediment have been found on top of the lava that lies below the city and, mixed in with the sediment, archaeologists have found bits of animal bone, pottery shards and plants.

Here the river slows considerably, dropping sediment that might otherwise form a river delta.

As the trees fell, the fine sediment in which the forest grew protected the plants.

The Water for Life Decade draws on much of the work initiated during the International Year of Freshwater, 2003, and provides an opportunity to maintain momentum on freshwater issues.

1. Proclaims the year 2003 as the International Year of Freshwater

And, because they rely on seawater, they cause no freshwater scarcity.

From the Yellow River, over 1.6 billion tons of sediment flow each year into the ocean.

Sorting is also a naturally occurring process that results in the concentration of ore or sediment.

Jordan claims that the population increase led to greater demand for freshwater, resulting in accelerated abstraction and over pumping of freshwater from Jordan's water resources, in particular its groundwater basins.

56 192. Status of preparations for the International Year of Freshwater, 2003

Wells, particularly on St. Croix, supply the remainder of the freshwater necessary.

In addition, if there are discontinuities between layers in the rock or sediment, seismic waves are reflected.

This resulted in a reduction of the estimated area of oil contaminated sediment to approximately 65 square kilometres.

Generated run off is less erosive and less polluting as crop residues reduce sediment transport into river waters.

57 252. Activities undertaken in preparation for the International Year of Freshwater, 2003

Aggradation is the term used in geology for the increase in land elevation due to the deposition of sediment.

Bitumen permeates the dirt at the surface or, where thin layers of compost and sediment intervene, somewhat below basement levels.

The pile of debris resulting from the Bonneville Slide blocked the river until rising water finally washed away the sediment.

Active charcoal carbon filters are most effective at removing chlorine, sediment, volatile organic compounds (VOCs), taste and odor from water.

It is the biggest freshwater lake in Argentina, with a surface area of (maximum width ).

It doesn't matter what kind of sediment you're using to grind up, whether it's bacteria or any other plants or animals.

The analysis revealed there was only one layer of impact debris in the sediment, which indicated there was only one impact.

Unsustainable use of freshwater is the top priority transboundary concern for the largest number of regions.

Recalling its resolution 55 196 of 20 December 2000, in which it proclaimed 2003 the International Year of Freshwater, and its resolution 56 192 of 21 December 2001 on the status of preparations for the International Year of Freshwater, 2003,

Iraq's general contention is that the model predictions of subtidal sediment contamination used by Kuwait to estimate biomass losses are not reliable.

Nature s water replenishment capacity is fixed, limiting the world s usable freshwater resources to about 200,000 cubic kilometers.

The climatic factors of concern include droughts and projected reductions in freshwater availability due to global warming.

The benthic zone is the ecological region on, in and immediately above the seabed, including the sediment surface and some sub surface layers.

Over time, massive amounts of sediment (sand, soil, and mud) from North and South America filled the gaps between the newly forming islands.

The models used are a Model for the Assessment and Remediation of Sediment ( MARS ) and an Oil Spill Contingency and Response Model ( OSCAR ).

Noting the ongoing work in the United Nations system and the work of other intergovernmental organizations on freshwater,

Owing to limited freshwater supplies, salt water is used extensively for non domestic purposes, including firefighting and sewerage.

Most live pelagically in open water, although some live as surface films at the water sediment interface (benthic), or even under damp atmospheric conditions.

Aggradation occurs in areas in which the supply of sediment is greater than the amount of material that the system is able to transport.

In those claims, Saudi Arabia estimated the total area of oil contaminated sediment in all the affected sites to be approximately 73 square kilometres.

This pattern differs from that of salmon, which only return to freshwater to breed, and is described as amphidromous.

2. Welcomes the activities related to freshwater undertaken by Member States, the United Nations Secretariat and the organizations of the United Nations system, inter alia, through inter agency work, as well as contributions from major groups, for the observance of the International Year of Freshwater, 2003