Filters: Tags: Canals (X)117 results (67ms)
Towards the characterisation of heavy metals in dredged canal sediments and an appreciation of 'availability': two examples from the UK
Untested assumptions: the role of canals in the dispersal of sea lamprey, alewife, and other fishes in the eastern United States
Streamflow and Cross-Section Data for Tombigbee River Between Gainesville and Demopolis Locks and Dams
Streamflow and Cross-section Data for Tombigbee River Between Aliceville and Gainesville Locks and Dams
A joint venture involving the National Atlas programs in Canada (Natural Resources Canada), Mexico (Instituto Nacional de Estadística Geografía e Informática), and the United States (U.S. Geological Survey), as well as the North American Commission for Environmental Co-operation, has led to the release (June 2004) of several new products: an updated paper map of North America, and its associated geospatial data sets and their metadata. These data sets are available online from each of the partner countries both for visualization and download. The North American Atlas data are standardized geospatial data sets at 1:10,000,000 scale. A variety of basic data layers (e.g. roads, railroads, populated places, political...
Bed sediment sampler for precise depth profiling of contaminant concentrations in aquatic environments
Dragonflies (Insecta, Odonata) and the ecological status of newly created wetlands -- examples for long-term bioindication programmes