scholarly journals Use of big data for estimation of impacts of meteorological variables on environmental radiation dose on Ulleung Island, Republic of Korea

2021 ◽  
Author(s):  
Han Young Joo ◽  
Jae Wook Kim ◽  
So Yun Jeong ◽  
Young Seo Kim ◽  
Joo Hyun Moon
Keyword(s):  
Big Data ◽  
Radiation Dose ◽  
Republic Of Korea ◽  
Meteorological Variables ◽  
Environmental Radiation ◽  
Ulleung Island

Prospects for Cooperation Between Russia and the Republic of Korea in the Fields of Big Data, Network and Artificial Intelligence for the Development of the Digital Economy

2021 ◽  
Vol 65 (8) ◽  
pp. 51-60
Author(s):  
Yujeong Kim
Keyword(s):  
Artificial Intelligence ◽  
Big Data ◽  
Large Scale ◽  
Technology Development ◽  
Technological Development ◽  
Digital Economy ◽  
Republic Of Korea ◽  
Data Network ◽  
Leading Position ◽  
The Government

Today, each country has interest in digital economy and has established and implemented policies aimed at digital technology development and digital transformation for the transition to the digital economy. In particular, interest in digital technologies such as big data, 5G, and artificial intelligence, which are recognized as important factors in the digital economy, has been increasing recently, and it is a time when the role of the government for technological development and international cooperation becomes important. In addition to the overall digital economic policy, the Russian and Korean governments are also trying to improve their international competitiveness and take a leading position in the new economic order by establishing related technical and industrial policies. Moreover, Republic of Korea often refers to data, network and artificial intelligence as D∙N∙A, and has established policies in each of these areas in 2019. Russia is also establishing and implementing policies in the same field in 2019. Therefore, it is timely to find ways to expand cooperation between Russia and Republic of Korea. In particular, the years of 2020and 2021marks the 30th anniversary of diplomatic relations between the two countries, and not only large-scale events and exchange programs have prepared, but the relationship is deepening as part of the continued foreign policy of both countries – Russia’s Eastern Policy and New Northern Policy of Republic of Korea. Therefore, this paper compares and analyzes the policies of the two countries in big data, 5G, and artificial intelligence to seek long-term sustainable cooperation in the digital economy.

scholarly journals Distribution and conservation status of the Critically Endangered Scrophularia takesimensis, a plant endemic to Ulleung Island, Republic of Korea

Oryx ◽  
2012 ◽  
Vol 46 (3) ◽  
pp. 399-402 ◽  
Author(s):  
Hyeok Jae Choi ◽  
Hyun Do Jang ◽  
Yuji Isagi ◽  
Byoung Un Oh
Keyword(s):  
Plant Species ◽  
Conservation Status ◽  
In Situ Conservation ◽  
Critically Endangered ◽  
Republic Of Korea ◽  
Endangered Plant ◽  
Seaward Side ◽  
Ulleung Island ◽  
Special Protection

AbstractScrophularia takesimensis Nakai is a Critically Endangered plant species endemic to Ulleung Island, Republic of Korea. We provide updated information on the distribution and conservation status of this species. We located 39 subpopulations and counted a total of 443 individuals, including some reintroduced. Observations of dried and broken branches, with fruits, of S. takesimensis along the coast may indicate dispersal by sea. The construction of coastal roads is the main threat to the species. To conserve this species more effectively we recommend that: (1) the two habitats identified as a priority for conservation should be afforded special protection, (2) habitats to the seaward side of coastal roads are more suitable than habitat on the landward side for in situ conservation, and (3) the presently known subpopulations require continuous protection and monitoring.

ENVIRONMENTAL RADIATION DOSE ON THE MOON

2008 ◽  
Author(s):  
K. HAYATSU ◽  
S. KOBAYASHI ◽  
N. YAMASHITA ◽  
M. HAREYAMA ◽  
K. SAKURAI ◽  
...  
Keyword(s):  
Radiation Dose ◽  
The Moon ◽  
Environmental Radiation

COMPARATIVE STUDY ON PERFORMANCE OF VARIOUS ENVIRONMENTAL RADIATION MONITORS

2019 ◽  
Vol 184 (3-4) ◽  
pp. 307-310 ◽  
Author(s):  
Y Tamakuma ◽  
R Yamada ◽  
T Suzuki ◽  
T Kuroki ◽  
R Saga ◽  
...  
Keyword(s):  
Detection Limit ◽  
Radiation Dose ◽  
Plastic Scintillator ◽  
Emergency Situation ◽  
Internal Exposure ◽  
External Exposure ◽  
Environmental Radiation ◽  
Minimum Requirement ◽  
Radiation Monitors ◽  
Dust Monitor

Abstract After the Fukushima Daiichi Nuclear Power Plant accident, the radiation dose for first responders was not evaluated accurately due to lack of the monitoring data. It has been important to evaluate a radiation dose for workers in emergency response at a nuclear accident. In this study, a new device which can evaluate both of external and internal exposure doses was developed and the performance of various environmental radiation monitors including commercially available monitors were tested and compared from the viewpoint of an environmental monitoring at emergency situation. Background counts of the monitors and the ambient dose equivalent rate were measured in Fukushima Prefecture. The detection limit for beta particles was evaluated by the method of ISO11929. The sensitivity for gamma-rays of the dust monitor using a ZnS(Ag) and a plastic scintillator was high, but that of the external exposure monitor using a silicon photodiode with CsI(Tl) crystal was relatively low. The detection limit ranged 190–280 Bq m−3 at 100 μSv h−1, exceeding the detection limit of 100 Bq m−3 in the minimum requirement by the National Regulation Authority in Japan. Use of the shielding with lead is necessary to achieve the minimum requirement. These results indicate that the dust monitor using a ZnS(Ag) scintillator and a plastic scintillator is suitable for the external exposure monitor and the developed internal exposure monitor is for the internal exposure monitor at emergency situation among the evaluated monitors. In the future study, the counting efficiency, the relative uncertainty and the performance of the detection for alpha particles will be evaluated, and it will be considered which type of a monitor is suitable after taking the portability into account.

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