China science, technology news summary -- June 12

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BEIJING, June 12 (Xinhua) -- The following is a summary of published science and technology news of China.

DEEP-SEA ROBOT

A Chinese-developed robot has completed its first burying of a seabed cable as part of an offshore wind energy project, representing another breakthrough in the country's drive to boost the development of deep-sea robots and wind power facilities.

The seabed cable and pipeline burying tractor, named Taurus, laid cables off the coast of the city of Zhanjiang, south China's Guangdong Province, in late May this year, according to its developer Sealien (Guangzhou) Technology.

UMBRAL WAVES IN SUNSPOTS

Chinese researchers have recently studied the structure of chromospheric umbral waves in sunspots and discovered the driving source of umbral waves, according to the Yunnan Observatories under Chinese Academy of Sciences.

Oscillations are ubiquitous in sunspots and the associated higher atmospheres. However, it is still unclear whether these oscillations are driven by the external acoustic waves or generated by the internal magnetoconvection.

Researchers studied the fine structure of chromospheric umbral waves in two sunspots by using the Interface Region Imaging Spectrograph and data from other telescopes.

TROPOSPHERIC ATMOSPHERE DATA

Chinese scientists have recently obtained the continuous observation data of tropospheric atmosphere over the Qinghai-Xizang Plateau for the first time.

The study is carried out by a research team of the Institute of Tibetan Plateau Research (ITP) under the Chinese Academy of Sciences and has obtained observation data for three consecutive years over the plateau, according to the ITP. Enditem

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