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정구복 한국사학사학회 2003 韓國史學史學報 Vol.0 No.7
This paper aims at overviewing the most serious problem in studying Korean history, its solution, and historical viewpoint that scholars of Korean history should cherish. One of the main problems concerning Korean historical study is that the contents of researches can't catch general people's attention. It was caused by several reasons such as academic character, tradition, and historical concept of scholars in the area of Korean history. Now, scholars should abandon their historical viewpoint clinging to colonialism as well as nationalism. They have to strengthen different nationalistic views can be accepted in the context of globalization, and historical views on state and people's centralism, parts of nationalism characterized by modern historical study in western society, that have not been effectuated. Korean historical study is enforced to contribute to make this country foremost and national competitive power highest. For this, the writer suggests that today's situation should be accounted well in the study of Korean history. It should be practical learning through which we do not deal with events of the past but describe our days and predict the future. In the field of Korean history, we have to erudite a history have been created by people's integrated struggling at that time, and to encourage all members in this country to devote themselves to making our history.
정구복 한국고대사학회 2006 韓國古代史硏究 Vol.0 No.42
Source Materials of Samguksaki and a Critique on Historical Materials 『삼국사기』를 김부식이 편찬함에 사용한 원전자료의 성격을 살펴보았다. 그러나 『삼국사기』에서 이용한 삼국시대의 원전자료는 거의 현전하지 않는다. 이 책의 기본 원전은 삼국시대에 편찬된 역사서가 아니라 고려초에 편찬된 『구삼국사』가 원전이고 이 자료 또한 현전하지 않음으로써 원전 검토의 길이 더욱 좁을 수밖에 없다. 그러나 『삼국사기』는 한국고대사의 원전 자료로 이용되고 있지만 이는 김부식이 서술한 문헌으로 파악하는 경우도 있다. 비록 『삼국사기』가 김부식이 서술한 자료라 하더라도 이에는 원전의 내용을 전하는 경우도 있을 수 있다. 사료비판학에서는 문헌실증사학의 단계를 뛰어 넘는 전체의 문맥에 의한 사료비판이 필요함을 구체적으로 백제사의 경우 548년 성왕 26년조의 독산성전투에 대한 기사를 중심으로 검토하였다. 그리고 사료비판에서 다른 원전 자료의 원용이 극히 제한된 고대사의 경우 고고학적인 조사나 현장조사가 절실히 필요함을 강조하였다.
Input and Output Budgets for Nitrogen of Paddy Field in South Korea
정구복,홍성창,김민경,김명현,최순군,소규호 한국토양비료학회 2016 한국토양비료학회지 Vol.50 No.4
The main objective of this research was to estimate the total mass of nitrogen discharged from various sources in paddy field area of South Korea in 2010 and 2013. Input and output budgets for nitrogen were estimated by mass balance approach. The mass balance approach reduces the effect of flow variations, and the large scale approach minimizes local effects, resulting in easier and faster establishment of strategy for nonpoint pollution problems. Nitrogen inputs were chemical fertilizer, compost, atmospheric deposition, biological fixation, and agricultural water, while crop uptake, denitrification, volatilization, and infiltration were nitrogen outputs. The estimated total nitrogen inputs for paddy field in South Korea were 266,211 ton yr-1, 260,729 ton yr-1, while those of total nitrogen outputs were 168,463 ton yr-1, 164,994 ton yr-1 in 2010 and 2013, respectively. Annual amounts of potential nitrogen outflow from paddy field were 97,748 ton yr-1, 95,735 ton yr-1 in 2010 and 2013. Also, annual rate of potential nitrogen outflow were 36.7%, 36.7% in 2010 and 2013, respectively.