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소프트웨어 프로세스 능력 성숙도 향상에 관한 연구-금융기관을 중심으로-
양우정,남기찬,장윤희,이재범 한국경영과학회 2002 한국경영과학회 학술대회논문집 Vol.2002-A No.-
Today, as the core infrastructure, Software industry affects the world at large. Moreover companies' investment in information technology considered as a means of 21st century's strategic management is made buoyantly and its scale is getting larger in the aspect of expenses. In spite of active investment, there still exist many problems such as low quality, excess cost, retardation of payment and productivity deterioration that made companies have interest in the innovation of software process, and this ability is regarded as an important factor concluding companies's competitiveness henceforth.<br/> This research world investigate the present condition of software capability maturity and examine into constitutional weak points upon the current software improvement activity to suggest improvement plans that can advance the level of process capability maturity. Domestic financial agencies's 2002 condition of software capability maturity researched on the basis of data collected through a questionnaire established on CMM, Software Process Capability assessment and improvement, shows that most organization experiences difficulties for process application of software configuration management sa aimed sufficient rate of each core process' field is highest in software configuration management. In addition, generally, fundamental infrastructure for performing project is not plentifully offered, as average abiding rate of common features is highest in activity to perform but lowest in activity to perform.<br/> Therefore, constitutional train and verification activities should be achieved buoyantly to improve software capacity maturity of financial agencies. Also these activities ought to be in written form by procedures and manual. Under the background,. Organizations are able to improve software process maturity more efficiently when they deal by building business system with rules and principles. However, most important matter is these activities should be performed continuously on the basis of the management's concrete will. And there was a limit to analyze and evaluate maturity of higher level, for most domestic financial agencies still remain in the early stage. Hence, after the level gets higher, it is deemed that deeper evaluation and plans for improvement will be devised.
Manpower Allocation Model for Construction Site Office Engineers based on Inherent Technical Risks
양우정,김예상 대한토목학회 2019 KSCE JOURNAL OF CIVIL ENGINEERING Vol.23 No.3
Accurately predicting the costs of construction site overheads and preventing increases in unanticipated costs has a large effect on the cost competitiveness of a construction company. While site engineer costs account for the majority of construction site management costs, established manpower allocation standards will only account for the project size, and so poorly reflect inherent technological risks. Consequently, with risks mounting on-site as a project progresses, actual engineering manpower needs can exceed the planned ones. This study presents a method for improving the accuracy of construction site engineer allocation by reflecting such technological risks. Data from 31 case projects were analyzed to confirm problems regarding site engineer allocation and to quantify project risks. The regression models and correction rates to manpower allocation by engineering work type were derived from 28 of the case projects, while data from the three remaining projects were utilized to test the model’s validity. The results show strong correlation between the number of site engineers by work type and the project’s technical risks, affirming that these modes can be used to improve the accuracy of manpower estimation even in the early stages of construction planning.
최우정 ( Woo-jung Choi ),임상선 ( Sang-sun Lim ),곽진협 ( Jin-hyeob Kwak ),이선일 ( Sun-il Lee ),박현진 ( Hyun-jin Park ),양혜인 ( Hey In Yang ),서보성 ( Bo-seong Seo ),정영재 ( Young-jae Jeong ) 한국환경농학회 2021 한국환경농학회 학술대회집 Vol.2021 No.-
2016년 파리기후협정 비준과 2020년 정부의 2050 탄소중립 선언 이후, 농업분야에서도 온실가스 배출 저감 노력이 요구되고 있다. 대부분 쌀 생산 및 축산업 등에 의해 발생하는 농업분야 온실가스(CH<sub>4</sub>, N<sub>2</sub>O)는 우리나라의 전체 온실가스 배출량(연간 약 7억 톤)의 약 2.9%를 차지한다. 논에서는 물 관리를 통해서 CH<sub>4</sub> 배출 저감이 가능하지만 추가적인 감축은 어려운 형편이고, 축산업에서의 온실가스 배출 역시 육류 소비량 증가에 의해 쉽지 않은 상황이다. 따라서, 농업분야에서의 온실가스 저감과 더 나아가서 국가 탄소중립을 위해서는 온실가스에 대한 획기적인 인식 전환과 이를 뒷받침할 수 있는 국제적 합의와 영농기술 개발, 그리고 국가 차원에서의 지원이 요구된다. 지구탄소 순환에서 매년 육지의 토양(3.5 Gt)과 식물잔사(55 Gt)에서 대기로 방출되는 탄소의 양은 화석연료 연소에 의해 방출되는 양(6-8 Gt) 보다 7-9배 많다. 비록 논란의 여지는 있지만, 농경지 토양에서의 탄소 손실은 대부분 비가역적이기 때문에 농경지 토양 탄소 손실을 온실가스 배출량에 포함하여 지구온실가스 방출을 현실화할 수 있도록 국제적인 합의가 필요하다. 농경지 토양의 탄소 배출량 저감은 물론, 더 나아가서 토양 탄소 격리능 증대를 위해서 다양한 영농 기법을 적용할 수 있다. 그 중, 혼농임업(Agroforestry)과 같은 토지이용 변화, 바이오차(Biochar)를 이용한 장기탄소저장, 그리고 광물질을 이용한 무기탄소격리(Inorganic carbon seqeustration) 등을 우선적으로 고려할 필요가 있다. 농업현장에서 이를 이행하기 위해서는 기존의 농업환경보전프로그램을 확대해서 온실가스 배출 저감과 탄소 저장에 대한 행·재정적 지원이 요구된다. 또한, 우리나라 간척지는 탄소함량이 낮아서 잠재적 유기 또는 무기탄소격리능이 높기 때문에 간척지 농경지의 토양탄소 격리에 대한 관심이 필요하다. 타 산업에서 배출된 온실가스를 농경지 토양에 저장하는 탄소 흡수 기능을 강화하여 기후변화라는 위기를 농업의 국가 경제 기여도를 높일 수 있는 기회로 삼을 수 있을 것이다. After the Paris Climate Agreement in 2016 and the Korean government’s declaration of carbon zero toward 2050 in 2020, reduction of greenhouse gases (GHGs) emissions is also required in the agricultural sector. The GHGS (CH<sub>4</sub> and N<sub>2</sub>O) emitted from agriculture, mostly from rice production and livestock industries, are accounting for about 2.9% of total national GHGS emissions (700 million tons per year). In paddy fields, it is possible to reduce CH<sub>4</sub> generation through water management, but further reduction is difficult, and curtailment of GHGS emissions from the livestock industry is not easy due to the increase in meat consumption. Therefore, for further reduction of GHGS in the agricultural sector as well as to achieve national carbon zero, a revolutionary shift in international awareness of GHGS and development of agricultural technologies as well as political supports are required. In the global carbon cycle, the amount of carbon (as CO<sub>2</sub>) released annually from soils (3.5 Gt) and plant debris (55 Gt) into the atmosphere is 7-9 times greater than that released by fossil fuel combustion (6-8 Gt). Although still controversial, since carbon losses in agricultural soil are mostly irreversible, international consensus is needed to take CO<sub>2</sub> emission from soils into account in global GHGs emissions. Various farming techniques can be applied not only to reduce CO<sub>2</sub> emissions from arable soil, but also to increase soil carbon sequestration. Among those, land-use changes such as agroforestry, long-term carbon storage using biochar, and inorganic carbon sequestration using rock minerals are promise and feasible approaches. For field implication of these measures to reduce GHGs emission and to enhance soil carbon storage, administrative and financial supports of government, such as Agro-Environmental Conservation Program, are required. In addition, since reclaimed tidelands have a low carbon content, these soils have a high potential for organic or inorganic carbon sequestration, which highlights a necessity of interest in sequestering soil carbon in the reclaimed tideland soils. By strengthening the function of agricultural soils to sequester GHGs emitted from other industries, it might be possible to turn the crisis of climate change to an opportunity to increase the contribution of agriculture to the national economy.