• Title/Summary/Keyword: Climate Technology

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Characteristics on Big Data of the Meteorology and Climate Reported in the Media in Korea

  • Choi, Jae-Won;Kim, Hae-Dong
    • Quantitative Bio-Science
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    • v.37 no.2
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    • pp.91-101
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    • 2018
  • This study has analyzed applicable characteristics on big data of the meteorology and climate depending on press releases in the media. As a result, more than half of them were conducted by governmental departments and institutions (26.9%) and meteorological administration (25.0%). Most articles were written by journalists, especially the highest portion stems from straight articles focusing on delivering simple information. For each field, the number of cases had listed in order of rank to be exposed to the media; information service, business management, farming, livestock, and fishing industries, and disaster management, but others did rank far behind; insurance, construction, hydrology and energy. Application of big data about meteorology and climate differed depending on the seasonal change, it was directly related to temperature information during spring, to weather phenomenon such as monsoon and heat wave during summer, to meteorology and climate information during fall, and to weather phenomenon such as cold wave and heavy snow during winter.

Studies on Changes and Future Projections of Subtropical Climate Zones and Extreme Temperature Events over South Korea Using High Resolution Climate Change Scenario Based on PRIDE Model (남한 상세 기후변화 시나리오를 이용한 아열대 기후대 및 극한기온사상의 변화에 대한 연구)

  • Park, Chang Yong;Choi, Young Eun;Kwon, Young A;Kwon, Jae Il;Lee, Han Su
    • Journal of the Korean association of regional geographers
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    • v.19 no.4
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    • pp.600-614
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    • 2013
  • This study aims to examine spatially-detailed changes and projection of subtropical climate zones based on the modified K$\ddot{o}$ppen-Trewartha's climate classification and extreme temperature indices using $1km{\times}1km$ high resolution RCP 4.5 and RCP 8.5 climate change scenarios based on PRIDE model over the Republic of Korea. Subtropical climate zones currently located along the southern coastal region. Future subtropical climate zones would be pushed northwards expanding to the western and the eastern coastal regions as well as some metropolitan areas. For both scenarios, the frequency of cold-related extreme temperatures projects to be reduced while the frequency of hot-related ones projects to be increased. Especially, hot days with $33^{\circ}C$ or higher temperature projects to occur more than 30 days over the most of regions except for some mountain areas with high altitudes during the period of 2070~2100. This study might provide essential information to make climate change adaptation processes be enhanced.

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Measure Improvement on Vulnerable Area based on Climate Change Impact on Agriculture Infrastructure (기후변화에 따른 농업생산기반시설 영향분석을 통한 정책추진 방안 연구)

  • Jeong, Kyung-Hun;Song, Suk-Ho;Jung, Hyoung-Mo;Oh, Seung-Heon;Kim, Soo-Jin;Lim, Se-Yun;Joo, Dong-Hyuk;Hwang, Syewoon;Jang, Min-Won;Bae, Seung-Jong;Yoo, Seung-Hwan
    • Journal of Korean Society of Rural Planning
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    • v.26 no.4
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    • pp.81-91
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    • 2020
  • This study was conducted to analyse climate change impact on agriculture infrastructure and propose improved measures on vulnerable areas. Recently, Climate change has resulted in damaging effects on agricultural fields through increases in drought intensity and flood risk. It is expected that this impact will increase over time. This study shows that Gyeong-gi and Chung-nam provinces are affected by drought and Gyeong-buk and Gyeong-nam provinces are affected by heavy rain. However, there are also regional variations within each province. Agricultural infrastructure affected by drought may also be affected by heavy rain. Increased damages on the infrastructure due to increased extreme weather events require preventive measures especially in vulnerable areas. In order to minimize the damage by climate change, we need to introduce a reform in the system which selects project region by analysing climate change impacts. Furthermore, impact assessment of climate change from projects such as 'water supply diversification', 'flooded farmland improvement', and 'irrigation facility reinforcement' also need to be adopted to improve the measures. The results of this study are expected to provide a foundation for establishing measures on coping with climate change in the agricultural sector.

Calling for Collaboration to Cope with Climate Change in Ethiopia: Focus on Forestry

  • Kim, Dong-Gill;Chung, Suh-Yong;Melka, Yoseph;Negash, Mesele;Tolera, Motuma;Yimer, Fantaw;Belay, Teferra;Bekele, Tsegaye
    • Journal of Climate Change Research
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    • v.9 no.4
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    • pp.303-312
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    • 2018
  • In Ethiopia, climate change and deforestation are major issues hindering sustainable development. Local Ethiopian communities commonly perceive an increase in temperature and a decrease in rainfall. Meteorological data shows that rainfall has declined in southern Ethiopia, and spring droughts have occurred more frequently during the last 10-15 years. The frequently occurring droughts have seriously affected the agriculture-dominated Ethiopian economy. Forests can play an important role in coping with climate change. However, deforestation is alarmingly high in Ethiopia, and this is attributed mainly to agricultural expansion and fuel wood extraction. Deforestation has led to a decrease in various benefits from forest ecosystem services, and increased ecological and environmental problems including loss of biodiversity. To resolve the issues effectively, it is crucial to enhance climate change resilience through reforestation and various international collaborations are urgently needed. To continue collaboration activities for resolving these issues, it is first necessary to address fundamental questions on the nature of collaboration: does collaboration aim for a support-benefit or a mutual benefit situation; dividing the workload or sharing the workload; an advanced technology or an appropriate technology; and short-term and intensive or long-term and extensive?. Potential collaboration activities were identified by sectors: in the governmental sector, advancing governmental structure and policy, enhancing international collaborations and negotiations, and capacity building for forest restoration and management; in the research and education sector, identifying and filling gaps in forestry and climate change education, capacity building for reforestation and climate change resilience research, and developing bioenergy and feed stocks; and in the business and industry sector, supporting conservation based forestry businesses and industries, while promoting collaboration with the research and education sectors. It is envisaged that international collaboration for enhancing climate change resilience through reforestation will provide a strong platform for resolving climate change and deforestation issues, and achieving sustainable development in Ethiopia.

Empirical Mode Decomposition (EMD) and Nonstationary Oscillation Resampling (NSOR): II. Applications in Hydrology and Climate sciences

  • Lee, Tae-Sam;Ouarda, TahaB.M.J.;im, Byung-Soo
    • Proceedings of the Korea Water Resources Association Conference
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    • 2011.05a
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    • pp.91-91
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    • 2011
  • In the present study, the proposed EMD and NSOR models has been applied in hydrology and climate sciences. Here, we present those applications as the following: (1) to extend future scenarios of Global Surface Temperature Anomaly including long-term oscillation component; (2) to extend the future evolution of the Eastern Canada winter precipitation; (3) to apply EMD in detecting climate change.

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A Study of the Acquisition Plan for GHG Data using CAS500 (차세대 중형위성을 활용한 온실가스 관측 정보 획득 방안 연구)

  • Choi, Won Jun;Kim, Sangkyun
    • Journal of Satellite, Information and Communications
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    • v.12 no.3
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    • pp.1-7
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    • 2017
  • Climate change adaptation must be prepared, because the pattern of climate change in Korea is higher than the global average. In particular, it is estimated that Korea's economic loss due to climate change will reach 2,800 trillion won, and at least 300 trillion won will be needed for adaptation to climate change(KEI, 2011). Accurate climate change forecasts and impact forecasts are essential for efficient use of enormous climate change adaptation costs. For this climate change prediction and impact analysis, it is necessary to grasp not only the global average concentration but also the inhomogeneity of the greenhouse gas concentration which appears in each region. In this study, we analyze the feasibility of developing a greenhouse gas observation satellite, which is a cause of climate change, and present a development plan for a low orbit environmental satellite by examining the current status of the operation of the greenhouse gas observation satellite. The GHG monitoring satellite is expected to expand the scope of environmental monitoring by water/soil/ecology in addition to climate change, along with weather/agriculture/soil observation satellites.

Development of an Emissions Processing System for Climate Scenario Inventories to Support Global and Asian Air Quality Modeling Studies

  • Choi, Ki-Chul;Lee, Jae-Bum;Woo, Jung-Hun;Hong, Sung-Chul;Park, Rokjin J.;Kim, Minjoong J.;Song, Chang-Keun;Chang, Lim-Seok
    • Asian Journal of Atmospheric Environment
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    • v.11 no.4
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    • pp.330-343
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    • 2017
  • Climate change is an important issue, with many researches examining not only future climatic conditions, but also the interaction of climate and air quality. In this study, a new version of the emissions processing software tool - Python-based PRocessing Operator for Climate and Emission Scenarios (PROCES) - was developed to support climate and atmospheric chemistry modeling studies. PROCES was designed to cover global and regional scale modeling domains, which correspond to GEOS-Chem and CMAQ/CAMx models, respectively. This tool comprises of one main system and two units of external software. One of the external software units for this processing system was developed using the GIS commercial program, which was used to create spatial allocation profiles as an auxiliary database. The SMOKE-Asia emissions modeling system was linked to the main system as an external software, to create model-ready emissions for regional scale air quality modeling. The main system was coded in Python version 2.7, which includes several functions allowing general emissions processing steps, such as emissions interpolation, spatial allocation and chemical speciation, to create model-ready emissions and auxiliary inputs of SMOKE-Asia, as well as user-friendly functions related to emissions analysis, such as verification and visualization. Due to its flexible software architecture, PROCES can be applied to any pregridded emission data, as well as regional inventories. The application results of our new tool for global and regional (East Asia) scale modeling domain under RCP scenario for the years 1995-2006, 2015-2025, and 2040-2055 was quantitatively in good agreement with the reference data of RCPs.

A Study on Climate Characteristics of Waterfront in Busan Area (부산지역 워터프런트의 기후특성에 관한 연구)

  • Doe, Geun-Young;Lee, Han-Seok;Koh, Sung-Cheol;Hyun, Beom-Soo;Yoo, Jong-Su
    • Journal of Navigation and Port Research
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    • v.26 no.4
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    • pp.465-472
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    • 2002
  • The waterfront has distinct climate characteristics different from urban or inland area. These may create not only the rise of energy and maintenance costs for facilities located at waterfront areas, but also the negative effects on the climate of the nearby inland area, unless these are treated with particular care. For the present study, the climate characteristics of waterfront were examined with climate data of 10 observation points carefully selected in Busan area. Each weather observation point was classified into either waterfront area of inland area, based on the distance from the coastal line. Special considerations were given to the climate data gathered at the Dae-Yeon weather station because it shows the climate characteristics similar to those of inland area, although it is located very near the waterfront area. Results indicates that this peculiar climate condition attributes, at least in part, to the reclamation of frontal coastal area.

Regional Characteristics of Global Warming: Linear Projection for the Timing of Unprecedented Climate (지구온난화의 지역적 특성: 전례 없는 기후 시기에 대한 선형 전망)

  • SHIN, HO-JEONG;JANG, CHAN JOO
    • The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY
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    • v.21 no.2
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    • pp.49-57
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    • 2016
  • Even if an external forcing that will drive a climate change is given uniformly over the globe, the corresponding climate change and the feedbacks by the climate system differ by region. Thus the detection of global warming signal has been made on a regional scale as well as on a global average against the internal variabilities and other noises involved in the climate change. The purpose of this study is to estimate a timing of unprecedented climate due to global warming and to analyze the regional differences in the estimated results. For this purpose, unlike previous studies that used climate simulation data, we used an observational dataset to estimate a magnitude of internal variability and a future temperature change. We calculated a linear trend in surface temperature using a historical temperature record from 1880 to 2014 and a magnitude of internal variability as the largest temperature displacement from the linear trend. A timing of unprecedented climate was defined as the first year when a predicted minimum temperature exceeds the maximum temperature record in a historical data and remains as such since then. Presumed that the linear trend and the maximum displacement will be maintained in the future, an unprecedented climate over the land would come within 200 years from now in the western area of Africa, the low latitudes including India and the southern part of Arabian Peninsula in Eurasia, the high latitudes including Greenland and the mid-western part of Canada in North America, the low latitudes including Amazon in South America, the areas surrounding the Ross Sea in Antarctica, and parts of East Asia including Korean Peninsula. On the other hand, an unprecedented climate would come later after 400 years in the high latitudes of Eurasia including the northern Europe, the middle and southern parts of North America including the U.S.A. and Mexico. For the ocean, an unprecedented climate would come within 200 years over the Indian Ocean, the middle latitudes of the North Atlantic and the South Atlantic, parts of the Southern Ocean, the Antarctic Ross Sea, and parts of the Arctic Sea. In the meantime, an unprecedented climate would come even after thousands of years over some other regions of ocean including the eastern tropical Pacific and the North Pacific middle latitudes where an internal variability is large. In summary, spatial pattern in timing of unprecedented climate are different for each continent. For the ocean, it is highly affected by large internal variability except for the high-latitude regions with a significant warming trend. As such, a timing of an unprecedented climate would not be uniform over the globe but considerably different by region. Our results suggest that it is necessary to consider an internal variability as well as a regional warming rate when planning a climate change mitigation and adaption policy.

Survey on Perception and Performance of Restaurant Employees on Food Safety Management against Climate Change in Seoul, Korea (서울시 식품접객업소 대상 기후변화에 따른 식품안전관리 인식 조사)

  • Jung, Soon-Young;Bae, Young-Min;Yoon, Jae-Hyun;Kim, Bo-Ram;Yoo, Jin-Hee;Hyun, Jeong-Eun;Lee, Jung-Su;Cha, Myeong-Hwa;Ryu, Kyung;Park, Ki-Hwan;Lee, Sun-Young
    • Journal of the East Asian Society of Dietary Life
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    • v.24 no.3
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    • pp.432-439
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    • 2014
  • This study investigated the perception of employees in restaurants located in Seoul concerning climate change, food safety against climate change and performance of food safety management. The survey was administered to 535 respondents from June 10~13, 2013. Exactly 52.2% of respondents answered that knew of climate change, whereas 7.3% of respondents answered that they didn't know about climate change. 86.6% of respondents recognized that climate change affects food safety. Among food safety management performance, the highest score was observed for thoroughly cooked foods (more than 1 min at $74^{\circ}C$ as internal temperature of foods). For importance of role of operator, respondents recognized that 'confirming food safety guideline' and 'cleaning and disinfecting environment' were important. For 'whether have you seen the food safety guideline against climate change', 32.5% said 'yes' while 67.3% answered 'no' or 'don't know'. Based on these results, employees in restaurants generally recognize climate change and its relationship with food safety. However, food safety education and related guidelines need to be improved to provide related information.