July 23, 2009
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Monitoring & Testing Newsletter July 23, 2009 |
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| This Week´s Featured News Stories |
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Space radar techniques for land mapping
Entrepreneurs at ESA’s Business Incubation centre in the Netherlands have used radar technology from the agency’s Envisat remote-sensing satellite to develop a compact, high-resolution radar that can monitor land and buildings from small aircraft. The radar can monitor structures such as dams, harbours, canals and buildings, leading to maps for urban planning, territory surveillance and cadastral updating. Several flights over the same location can spot changes between pictures, revealing ground movements that could affect structures. Because our system is so compact, it can be mounted on ... |
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Well water should be tested annually to reduce health risks to children
Private well water should be tested yearly, and in some cases more often, according to new guidance offered by the American Academy of Pediatrics (AAP). Researchers at the National Institute of Environmental Health Sciences (NIEHS), part of the National Institutes of Health, took a lead role in working with the AAP to develop these recommendations and draft a new AAP policy statement about the things parents should do if their children drink well water. The recommendations call for annual well testing, especially for nitrate and microorganisms such as coliform bacteria, which can indicate that ... |
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