• Title/Summary/Keyword: Meteorology data

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The Development of Automatic Production System of Agricultural Weather Information Using the Biosphere-Atmosphere Transfer Scheme (BATS) (지표대기모형 BATS를 이용한 농업기상정보 자동산출시스템 개발)

  • Shin Hyun-Cheol;Suh Ae-Sook;Lee Sun-Mi
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.1 no.2
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    • pp.135-141
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    • 1999
  • The information on agricultural weather over the Korean Peninsula was produced, using the Bio-sphere-Atmosphere Transfer Scheme(BATS). We modified the input and output portions of BATS such that the whole processes can be excuted as a package. Based on this approach, automatic production system of agricultural meteorology information was developed. The results of this model was compared with the observed data. The differences between the model results and observed data for surface temperature, rooting zone temperature and top soil temperature were 2.0$^{\circ}$C, 2.0$^{\circ}$C and 2.6$^{\circ}$C, respectively.

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Prospect of Information Technology and Its Application to Regional Agricultural Meteorology (지역농업기상지원을 위한 정보화기술 전망 및 활용)

  • Lee, Byong-Lyol
    • Proceedings of The Korean Society of Agricultural and Forest Meteorology Conference
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    • 2003.09a
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    • pp.189-201
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    • 2003
  • Grid is a new Information Technology (IT) concept of "super Internet" for high-performance computing: worldwide collections of high-end resources - such as supercomputers, storage, advanced instruments and immerse environments. The Grid is expected to bring together geographically and organizationally dispersed computational resources, such as CPUs, storage systems, communication systems, real-time data sources and instruments, and human collaborators. The term "the Grid" was coined in the mid l990s to denote a proposed distributed computing infrastructure for advanced science and engineering. The term computational Grids refers to infrastructures aimed at allowing users to access and/or aggregate potentially large numbers of powerful and sophisticated resources. More formally, Grids are defined as infrastructure allowing flexible, secure, and coordinated resource sharing among dynamic collections of individuals, institutions and resources referred to as virtual Organizations. GRID is an emerging IT as a kind of next generation Internet technology which will fit very well with Agrometeorological services in the future. I believe that it would contribute to the resource sharing in AgroMeteorology by providing super computing power, virtual storage, and efficient data exchanges, especially for developing countries that are suffering from the lack of resources for their agmet services at national level. Thus, the establishment of CAgM-GRID based on existing RAMINSII is proposed as a part of FWIS of WMO.part of FWIS of WMO.

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A investigation on the responses of conductive structures of Korean Peninsula using EM modeling

  • Yang, Jun-Mo;Oh, Seok-Hoon;Lee, Duk-Kee;Kwon, Byung-Doo;Youn, Yong-Hoon
    • 한국지구과학회:학술대회논문집
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    • 2004.02a
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    • pp.52-57
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    • 2004
  • Korean Peninsula located between Japan and China where earthquakes frequently occur, have little geophysical observation despite its tectonic importance. This study suggests the inland conductive structures inferred from GDS data measured in Korean Peninsula and try to interpret induction arrows quantitatively with the aid of 2- and 3-D geomagnetic induction modeling. Ogcheon Belt (OCB) and Imjin River Belt (IRB) are regarded as main conductive structures in Korea Peninsula, the induction arrows for the period of 60 minutes show very weak anomaly due to sea effect, which is supported by the results of 3-modeling also. However, for the period of 10 minutes, induction arrows at YIN and ICHN show anomalous patterns considered as the effect of IRB in spite of sea effect. The results of 2-D modeling which simplify geological situations provide overall information on IRB

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Risk of High Temperatures on Rice Production in China: Observation, Simulation and Prediction

  • Tao, Fulu;Shi, Wenjiao
    • Proceedings of The Korean Society of Agricultural and Forest Meteorology Conference
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    • 2016.09a
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    • pp.44-48
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    • 2016
  • Extreme temperature impacts on field crop are of key concern and increasingly assessed, however the studies have seldom taken into account the automatic adaptations such as shifts in planting dates, phenological dynamics and cultivars. In this present study, trial data on rice phenology, agro-meteorological hazards and yields during 1981-2009 at 120 national agro-meteorological experiment stations were used. The detailed data provide us a unique opportunity to quantify extreme temperature impacts on rice yield more precisely and in a setting with automatic adaptations.

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Generation and Verification on the Synthetic Precipitation/Temperature Data

  • Oh, Jai-Ho;Kang, Hyung-Jeon
    • Proceedings of The Korean Society of Agricultural and Forest Meteorology Conference
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    • 2016.09a
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    • pp.25-28
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    • 2016
  • Recently, because of the weather forecasts through the low-resolution data has been limited, the demand of the high-resolution data is sharply increasing. Therefore, in this study, we restore the ultra-high resolution synthetic precipitation and temperature data for 2000-2014 due to small-scale topographic effect using the QPM (Quantitative Precipitation Model)/QTM (Quantitative Temperature Model). First, we reproduce the detailed precipitation and temperature data with 1km resolution using the distribution of Automatic Weather System (AWS) data and Automatic Synoptic Observation System (ASOS) data, which is about 10km resolution with irregular grid over South Korea. Also, we recover the precipitation and temperature data with 1km resolution using the MERRA reanalysis data over North Korea, because there are insufficient observation data. The precipitation and temperature from restored current climate reflect more detailed topographic effect than irregular AWS/ASOS data and MERRA reanalysis data over the Korean peninsula. Based on this analysis, more detailed prospect of regional climate is investigated.

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