中国公布首次地质信息调查结果-凯发k8官网

china boasts a total of 7.56 million square kilometers of vegetation cover, while buildings cover 153,000 square kilometers of land, the state council information office unveiled at a press briefing on monday.

 

国务院新闻办公室周一在新闻发布会上表示，中国有756万平方公里的植被覆盖，建筑物覆盖了15.3万平方公里土地。
 

 

the numbers are part of the 770-terabyte results of china's first national geoinformation survey, which collects basic information about the country's natural resources, such as their location, range and area.

 

information of manmade construction, such as roads and neighborhoods, are also included in the results, said kuresh mahsut, director of the national administration of survey, mapping and geoinformation (nasg).

 

the survey started in january 2013 and lasted three years, with the help of more than 50,000 people and technologies such as remote sensing satellites, drones and 3d laser scanning.

 

the results underwent months of analysis and approvals before being publicized.

 

the surveyors combined aerial photography and on-site verification in order to provide more precise information and improve the survey's quality, said li weisen, deputy director of the nasg, which led the work.