Αποτελέσματα Αναζήτησης
9 Οκτ 2023 · European rivers are disconnected by more than one million man-made barriers that physically limit aquatic species migration and contribute to modification of freshwater habitats. Here, a ...
8 Μαΐ 2019 · A comprehensive assessment of the world’s rivers and their connectivity shows that only 37 per cent of rivers longer than 1,000 kilometres remain free-flowing over their entire length.
19 Οκτ 2023 · Rivers are found on every continent and on nearly every kind of land. Some flow all year round. Others flow seasonally or during wet years. A river may be only kilometers long, or it may span much of a continent. The longest rivers in the world are the Nile in Africa and the Amazon in South America. Both rivers flow through many countries.
28 Αυγ 2024 · Explore a unique reimagining of the world map based on river basins. Discover how watersheds reshape countries, climates, and economies in this fascinating cartographic journey.
1 Ιαν 2007 · Based on data from three major wandering braided rivers in China, namely, the Yongdinghe, the Hanjiang and the Yellow Rivers, as well as a laboratory experimental study, this paper deals with...
In semi-arid regions aridification downstream of dams is a major cause of salinization or total desiccation of inland wetlands, lakes and deltas. Geomorphological risks are a function of...
1 Αυγ 2024 · Mapping the World's Watersheds. Students label major rivers and outline watersheds on a world map. They compare the shapes of various watersheds and discuss how topography influences their shapes.
