The National Applied Research Laboratories (NARL) yesterday unveiled its recently completed Taiwan Ocean Radar Observing System, which researchers said is capable of intensive monitoring of sea conditions, greatly bolstering the nation’s capacity to analyze marine data, conduct rescue missions and contain pollution.
The system comprises 17 radar installations deployed along the nation’s shore and is set to obtain more accurate information on surface currents, such as the Kuroshio current, as well as the tidal movement of the ocean.
Beyond its main mission, the system is expected to greatly assist with rescue efforts and containing ocean pollution, as it can be used to locate fuel leaks or objects adrift at sea, NARL Taiwan Ocean Research Institute research associate and project leader Lai Chien-wu (賴堅戊) said.
Photo: CNA
Taking advantage of the Doppler effect — the change in frequency of waves from a moving object — the radar installations emit electromagnetic waves in a similar fashion to those shot from a radar speed gun used by police, Lai said.
After hitting an object, the waves bounce back — a phenomenon known as backscatter — enabling analysis of the object’s speed and location at sea, he said.
In the past, maritime rescue missions were carried out based on estimates of locations, determined after analyzing marine data produced over a span of 10 to 20 years. In contrast, the new system produces new data each hour and is capable of conducting analyses across an extensive area, he said.
Citing an incident last year in which a student was carried off by an ocean current after drowning in waters off Kenting’s (墾丁) Nanwan area (南灣), Lai said his team helped the Coast Guard Administration locate the body while testing one of the radar installations near the Ma-anshan Nuclear Power Plant in Pingtung County.
“The student drowned in the afternoon and was still missing by nightfall. Early the next morning, just one hour before the Coast Guard Administration set out to sea to continue searching, they asked for our help,” Lai said.
“Even though we did not know the exact location of the incident, we were able to infer the student’s location by analyzing the tides affected by the southwesterly air streams blowing in the area. We located the body within four hours,” he said.
He said that provided with coordinates indicating the location of an accident, the system can reduce the margin of error during rescue missions down to 1km or 2km, while operations conducted farther out at sea could be contained within a 10km radius for 12 hours — a major improvement to the nation’s preparedness during maritime rescue missions.
He said the NARL and the administration would collaborate on maritime rescue missions using the radar system in the near future.
The NARL put the finishing touches on the system when it deployed the last radar installation at New Taipei City’s Magang Fishing Pier (馬崗) in January, he said.
Beijing could eventually see a full amphibious invasion of Taiwan as the only "prudent" way to bring about unification, the US Department of Defense said in a newly released annual report to Congress. The Pentagon's "Annual Report to Congress: Military and Security Developments Involving the People's Republic of China 2025," was in many ways similar to last year’s report but reorganized the analysis of the options China has to take over Taiwan. Generally, according to the report, Chinese leaders view the People's Liberation Army's (PLA) capabilities for a Taiwan campaign as improving, but they remain uncertain about its readiness to successfully seize
Taiwan is getting a day off on Christmas for the first time in 25 years. The change comes after opposition parties passed a law earlier this year to add or restore five public holidays, including Constitution Day, which falls on today, Dec. 25. The day marks the 1947 adoption of the constitution of the Republic of China, as the government in Taipei is formally known. Back then the Chinese Nationalist Party (KMT) governed China from Nanjing. When the KMT, now an opposition party in Taiwan, passed the legislation on holidays, it said that they would help “commemorate the history of national development.” That
Taiwan has overtaken South Korea this year in per capita income for the first time in 23 years, IMF data showed. Per capita income is a nation’s GDP divided by the total population, used to compare average wealth levels across countries. Taiwan also beat Japan this year on per capita income, after surpassing it for the first time last year, US magazine Newsweek reported yesterday. Across Asia, Taiwan ranked fourth for per capita income at US$37,827 this year due to sustained economic growth, the report said. In the top three spots were Singapore, Macau and Hong Kong, it said. South
Snow fell on Yushan (Jade Mountain, 玉山) yesterday morning as a continental cold air mass sent temperatures below freezing on Taiwan’s tallest peak, the Central Weather Administration (CWA) said. Snowflakes were seen on Yushan’s north peak from 6:28am to 6:38am, but they did not fully cover the ground and no accumulation was recorded, the CWA said. As of 7:42am, the lowest temperature recorded across Taiwan was minus-5.5°C at Yushan’s Fengkou observatory and minus-4.7°C at the Yushan observatory, CWA data showed. On Hehuanshan (合歡山) in Nantou County, a low of 1.3°C was recorded at 6:39pm, when ice pellets fell at Songsyue Lodge (松雪樓), a
RSS