using gadgets available on three satellites, scientists at the us National Aeronautics and Space Administration (nasa) have measured the complete water cycle of an entire continent
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/water-mark
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/geology
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/space-technology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-america
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nasa