• Title/Summary/Keyword: 자료의 수집

Search Result 12,405, Processing Time 0.034 seconds

Evaluation of rainfall-runoff performance for gridded precipitation datasets in the Mekong River Basin Using SWAT Model (SWAT 모형을 이용한 메콩강 유역 격자형 강수 자료 강우-유출 성능 평가)

  • Kim, Young Hun;Jung, Sung Ho;Ha, Jin Kyung;Lee, Gi Ha
    • Proceedings of the Korea Water Resources Association Conference
    • /
    • 2022.05a
    • /
    • pp.194-194
    • /
    • 2022
  • 정확한 강우-유출 해석은 하천 홍수예경보, 댐 유입량 산정 및 방류량 결정 등 수자원 관리 및 계획수립에 있어 중요하며 밀도높은 관측망(raingauge network)으로 부터 수집된 강우 자료는 강우-유출 해석의 가장 중요한 기초 자료로 활용된다. 본 연구 대상 지역인 메콩강 유역은 국가공유하천(6개국: 중국, 라오스, 태국, 미얀마, 베트남, 캄보디아)은 기초 자료 수집이 어렵고, 구축된 자료의 양적, 질적 품질이 국가별로 상이하여 수문해석 결과의 불확실성을 높일 우려가 있다. 최근 원격탐사 기술의 발달로 격자형 글로벌 강수자료의 획득이 용이해졌으며, 이를 활용한 다양한 연구들이 수행된 바 있다. 이에 본 연구에서는 준 분포모형인 SWAT (Soil & Water Assessment Tool) 모형을 활용하여 격자형 위성 강수 자료(TRMM, GSMaP, PERSIANN-CDR)와 격자형 지점 강수 자료(APHRODITE, GPCC)의 메콩강 유역 강우-유출 모의에 대한 성능을 평가하였다. 유출량 산정을 위한 관측소로는 Luang Prabang, Pakse, Stung Treng, Prek Kdam 관측소를 선정하였으며 지점강수량 정보가 비교적 충분한 2000-2007년을 대상으로 매개변수 보정(2000-2003) 및 유출모의 검증(2004-2007)을 수행하였다. 격자형 강우를 이용한 유출분석 결과, APHRODITE, GPCC 및 TRMM이 다른 격자형 강수 자료(GSMaP, PERSIANN-CDR)보다 우수한 성능을 보였다.

  • PDF

인터넷 자료의 신뢰성과 활용 -브랜드파일 지수의 개발-

  • 변종석
    • Proceedings of the Korean Association for Survey Research Conference
    • /
    • 2002.11a
    • /
    • pp.225-240
    • /
    • 2002
  • 본 연구의 목적은 인터넷 자료의 신뢰성을 검토한 후 브랜드가치를 평가하는 새로운 접근 방법으로 브랜드파워 지수를 개발함으로써 인터넷으로부터 수집된 자료의 활용 방안을 검토해 보는 것이다. 브랜드파워 지수의 개발에 필요한 자료로 인터넷 사이트의 브랜드주가 자료와 인터넷조사 자료를 이용하였다. 브랜드주가 자료와 실증시의 주가 자료와의 상관관계를 검토하여 자료의 신뢰성을 확인하고 인터넷조사의 결과를 결합하여 상대적 개념의 브랜드파워 지수를 산출하여 브랜드 가치를 평가해 보았다.

  • PDF

Marine Disasters Prediction System Model Using Marine Environment Monitoring (해양환경 모니터링을 이용한 해양재해 예측 시스템 모델)

  • Park, Sun;Lee, Seong Ro
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.38C no.3
    • /
    • pp.263-270
    • /
    • 2013
  • Recently, the prediction and analysis technology of marine environment are actively being studied since the ocean resources in the world is taken notice. The prediction of marine disaster by automatic collecting marine environment data and analyzing the collected data can contribute to minimized the damages with respect to marine pollution of oil spill and fisheries damage by red tide blooms and marine environment upsets. However the studies of the marine environment monitoring and analysis system are limited in South Korea. In this paper, we study the marine disasters prediction system model to analyze collection marine information of out sea and near sea. This paper proposes the models for the marine disasters prediction system as communication system model, a marine environment data monitoring system model, prediction and analyzing system model, and situations propagation system model. The red tide prediction model and summarizing and analyzing model is proposed for prediction and analyzing system model.

A Study on the Aquisition and Use of Videorecordings in Digital Age - concerning for the public libraries in Pusan - (디지털 시대의 비디오자료 수집과 이용에 관한 연구 -부산지역 공공도서관을 중심으로-)

  • Kim Young-Kyu
    • Journal of Korean Library and Information Science Society
    • /
    • v.30 no.2
    • /
    • pp.199-233
    • /
    • 1999
  • The purpose of this study is to activate the videorecordings in public libraries. The method of activation is to analysis of data which collected through questionnaire from respondent libraries. The results of the study are as follows : 1. The budget of videorecordings is absolutely short. 2 The acquisition policy of videorecordings is not planned because of short budget and little standard selection tool. 3. Most of public libraries wanted to exchange and use of videorecordings through interlibrary loan. 4. The subject of collected videorecordings was almost oriented to the education and motion pictures. 5. Specialized collection policy of public libraries in Pusan is not considered in videorecordings selection. 6. 87 percent of public libraries are not circulate videorecordings to the end-user. 7. Group watching planning of videorecordings in public libraries was done by monthly. 8. 70 percent of public libraries was not perform user reaction survey after watching. 9. 13 percent of public libraries has done the video tape recording of TV programming. 10. Most of public libraries had not a video to introduce themselves and user also had not a plan to create a video. 11. Most of public libraries recognized the copyright law but they wanted to reproduct the videorecordings for user with permission of authors.

  • PDF

Development of Eye Tracker System for Early Childhood (유아용 시선 추적 장치의 개발 연구)

  • Lee, Byungho
    • The Journal of the Korea Contents Association
    • /
    • v.19 no.7
    • /
    • pp.91-98
    • /
    • 2019
  • The purpose of this study was to develop and test an eye tracker focusing on early childhood participants, based on the characteristics of early childhood eye tracking studies. Eye tracking collects eye movement data of the subject, which provides scientific evidence of human cognition and thinking. The researcher built a Do It Yourself eye tracker camera module from general electronic components, and used Viewpoint analysis software from Arrington Research. The researcher compared the eye tracking data between the DIY eye tracker group and Tobii Pro eye tracker group, which provides a professional eye tracking system. Eye tracking data was collected from 52 five-year old children. The average proportion of valid trials between the two groups was compared with t test, and no significant difference was found. This result indicates that the DIY eye tracker can be used to collect valid eye tracking data from young children under certain research environment.

Analysis of Usage Behaviors for the Electronic Resources of Undergraduates in a Smart Mobile Environment: Focused on the Usage Statistics of the A-Academic Library (스마트 모바일 환경에서 대학생의 전자자료 이용행태 분석 - A대학도서관 이용통계를 중심으로 -)

  • Kim, Sung-Jin
    • Journal of the Korean Society for Library and Information Science
    • /
    • v.54 no.4
    • /
    • pp.53-82
    • /
    • 2020
  • With the increase in smartphone ownership and Internet usage using smartphones, the information environment is shifting from the existing PC to the smart mobile. The current undergraduate students are called Generation Z who prefer smartphones to PCs and video contents to texts. This study attempted to understand their usage behaviors of electronic resources in an academic library in a smart mobile environment. This study conducted a usage statistics analysis with 61,433 usage records of e-books, audiobooks, and e-learning contents and 1,595 records of users in the A academic library during 3 years from 2016 to 2018. The scope of the data includes the date of use, the subject, the year of publication, the channel of use, and each user's gender, affiliation, status, admission date, and graduation date. This study investigated not only the general characteristics of electronic resource use, but also the usage behaviors according to the user's demographic characteristics. Based on the findings, this study suggested practical service plans that are applicable in the near future and reflect changing circumstances.

A Study on the Digital Material Disposal Order System (디지털자료 파기 명령 집행절차에 대한 연구)

  • Kim, Tae-Sung;Lee, Sang-Jin
    • Journal of the Korea Institute of Information Security & Cryptology
    • /
    • v.27 no.4
    • /
    • pp.863-872
    • /
    • 2017
  • Digital material transferred to the court for litigation shall be disposed by the procedure in the court records management regulations and the digital material collected by the investigator in order to prove the suspect's allegation shall be disposed by the Supreme Public Prosecutor's Regulation No.876(digital material's regulation of collection, examine and management). the court ordered the disposal of digital material that is the subject of litigation based on the related laws when criminal lawsuits and civil lawsuits are finalized. however, there is no specific procedure to enforce the disposal order of the court, and the enforcement order stipulates that the enforcement agent is not a professional officer who has proven expertise but a related public official. there is a problem in the enforcement of digital material that the court ordered to disposal because it is not specified. therefore, this is paper proposes a procedure for effectively enforcing the court's order to revoke digital material.