by Staff Writers
Beijing (UPI) Jun 27, 2012
China says it will invest $81 million to build a national network to monitor movement in the Earth's crust and for other Earth sciences in the next four years.
The program will use more than 3,000 technicians to build a three-dimensional and dynamic "geodetic" network with high precision, the country's National Administration of Surveying, Mapping and Geoinformation announced Tuesday.
The national geodetic network aims to build 360 Global Positioning System reference stations and a satellite-geodesy control network consisting of 4,500 control points, China's state-run Xinhua News Agency reported.
The network will ensure people can get timely geodetic information for any point in the country's land area, surveying administration Deputy Directory Li Weisen said.
China lags behind developed countries in terms of surveying and mapping technologies.
While the United States' "geoid" determination network can reach an accuracy of 1 inch, China can only determine geoid at an accuracy of 1 foot in its eastern part and 2 feet in its western region, Xinhua said.
Earth Observation News - Suppiliers, Technology and Application
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Delving Inside Earth from Space
Washington DC (SPX) Jun 27, 2012
European Space Agency, or ESA, astronaut Andre Kuipers is running experiments on the International Space Station that are shedding light on conditions deep inside Earth. Orbiting some 248 miles (400 km) above us, Geoflow is offering insights into the inner workings of our planet. Descending 1,864 miles (3,000 km) under our feet, Earth's mantle is a semi-solid fluid under our thin outer crust. Th ... read more
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