This data center provides information on waterborne commerce, vessel characteristics, port facilities, dredging, and lock performance. Data can be queried and are available by state, by commodity, and by waterway. Metadata are also available. Fact sheets explain the US waterways, their management, and their role in the economy. There are also numerous publications availabe via the site and an interactive ... Full description.

The National Organization for Rivers sponsors this page and provides information on water-based recreation and conservation. They are building a River Registry to provide an overview of rivers in each state as well as around the world. The registry includes physical characteristics, recreation opportunities and legal and policy information. The Who Owns the Rivers section provides a bibliography of ... Full description.

Materials here focus on worldwide water issues and policy decisions, and discussions of ongoing projects involving conservation, drought mitigation, and solutions for small landholders. A set of tools and databases is available for evaluating irrigation results, developing scenarios for water and food supply policy decisions, and evaluating the health of fresh-water ecosystems. This site is sponsored ... Full description.

Using the European Space Agency's Infrared Space Observatory, Spanish and Italian astronomers have for the first time measured the total amount of water in cold regions of the Milky Way. The findings and implications of this research are discussed here, with emphasis on the fact that water is abundant in these cold regions and exists mostly in the form of ice. Images and videos are included. Full description.

This slide show explores the threats to the Chinook salmon population in the Stillaguamish River watershed of Snohomish County, Washington. Topics include the status of the present population, factors contributing to the decline of the population, habitat needs for healthy salmon, and steps that are necessary for the recovery of the population. Full description.

The Harmful Algal Bloom (HAB) Project develops and supports systems that provide information on the location and extent of red tide blooms in the Gulf of Mexico. The Experimental HAB bulletin alerts subscribers to developing blooms and changes in the location and extent of existing blooms. The HAB Mapping System (HABMapS) provides the position of an identified bloom and data from environmental conditions ... Full description.

This document describes the functions and values of wetlands, and includes keywords and illustrations. Wetlands have received wastewater discharges from many different situations in the past, but only recently have they been recognized as potentially cost-efficient treatment systems. They can effectively remove or convert large quantities of pollutants from point sources (municipal and industrial ... Full description.

Sound Health 2001 highlights water quality conditions, the status of living organisms, trends in land use and development, and other indicators of environmental health for Long Island Sound. Materials presented here address the following questions: Are the waters and sediments getting cleaner?, Are fish and wildlife populations more abundant?, Are fish and wildlife habitats being protected and restored?, ... Full description.

This national organization is comprised of state and regional water resource management agencies and provides a means for members to exchange information and to work with federal agencies that share water management responsibilities. Focal points cover both surface and groundwater, and include watershed management, dam safety, floodplain management, nonpoint source pollution, water quality standards, ... Full description.

This article discusses the necessity of locating water ice as astronauts explore the solar system, for oxygen and fuel as well as for drinking. Topics include the possible occurrence of ice at the lunar poles and in comets, and some of the National Aeronautics and Space Administration (NASA) missions to locate it. Full description.