Currently, satellite images act as essential and important data in water resources, environment, and ecology as well as information of geographic information system. In this paper, we will investigate basic characteristics of satellite images, especially application examples in water resources. In recent years, researches on spatial and temporal characteristics of large-scale regions utilizing the advantages of satellite imagery have been actively conducted for fundamental hydrological components such as evapotranspiration, soil moisture and natural disasters such as drought, flood, and heavy snow. Furthermore, it is possible to analyze temporal and spatial characteristics such as vegetation characteristics, plant production, net primary production, turbidity of water bodies, chlorophyll concentration, and water quality by using various image information utilizing various sensor information of satellites. Korea is planning to launch a satellite for water resources and environment in the near future, so various researches are expected to be activated on this field.

Abstract
 서 론
 위성영상의 시간/공간/분광해상도의이해와 선택기준
 수자원분야에서의 위성영상 활용사례
  1. 증발산량
  2. 토양수분
  3. 가뭄
  4. 홍수
  5. 폭설
 적 요
 References

• 김성준(건국대학교 사회환경플랜트공학과) | Kim, Seongjoon (Department of Civil, Environmental and Plant Engineering, Konkuk University) Corresponding author
• 이용관(건국대학교 사회환경플랜트공학과) | Yonggwan Lee (Department of Civil, Environmental and Plant Engineering, Konkuk University)