Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
권호 표지
DOI QR코드

DOI QR Code

Climatic Water Balance Analysis Using NOAA/AVHRR Satellite Images

NOAA/AVHRR 위성영상을 이용한 기후학적 물수지 분석

  • 권형중 (건국대학교 대학원 지역건설환경공학과) ;
  • 신사철 (안동대학교 토목공학과) ;
  • 김성준 (건국대학교 사회환경시스템공학과)
  • Published : 2005.01.01
Download PDF
⟨ Previous Next ⟩

Abstract

The purpose of this study was to analyze the climatic water balance of the Korean peninsula using meteorological data and the evapotranspiration (ET) derived from NOAA/AVHRR, Quantifying water balance components is important to understand the basic hydrology, In this study, a simple method to estimate actual ET was proposed based on a regression approach between NDVI and Morton's actual ET using NOAA/AVHRR data, The Mortons actual ET for land surface conditions was evaluated using a daily meteorological data from 77 weather stations, and the monthly averaged Morton's ETs for each land cover was compared with the monthly NDVIs during the year 2001. According to the climatic water balance analysis, water deficit and surplus distributed maps were created from spatial rainfall, soil moisture, and actual and potential ETs map, The results clearly showed that the temporal and spatial characteristics of dryness and wetness may be detected and mapped based on the wetness index.

Keywords

References

  1. 한국수자원공사, 2001, 2001 전국 가뭄조사 보고서
  2. Gurney, R. J., and Hall, D. K., 1983, Satellite-derived surface energy balance estimates in the Alaskan sub-arctic, J. Climate Meteorol., 22, pp.115-125 https://doi.org/10.1175/1520-0450(1983)022<0115:SDSEBE>2.0.CO;2
  3. Morton, F. I., 1978, Estimating evapotran-spiration from potential evaporation- practicality of an iconoclastic approach, J. of Hydrol., 38, pp.1-32 https://doi.org/10.1016/0022-1694(78)90129-4
  4. Jackson, R. D., Hatfield, J. L., Reginato, K. J., Idso, S. B. and Pinter, J. R., 1983, Estimates of daily evapotranspiration from one time of day measurements, Agri. Water Mang., 7, pp.351-362 https://doi.org/10.1016/0378-3774(83)90095-1
  5. Thornthwaite, C. W., 1948, Approach toward a rational classification of climate, Geographical Review, Vol. 38, pp.55-94 https://doi.org/10.2307/210739
  6. Shahin, M., 1985, Hydrology of Nile Basin, Elsevier
  7. Shin, S. C., 1996, Estimation method of Evapotranspiration through vegetation monitoring over wide area, Korean Journal of Geomatics, 14(1), pp.81-88. (in Korean)