기후변화와 인위적 요인의 증가는 내륙수의 부영양화와 유해조류 발생 가능성을 높이고 있다. 본 연구는 2019~2025년 Sentinel-2 위성영상을 활용하여 안동호의 녹조 시공간 변동성을 분석하고, IoT 기반 현장 클로로필-a(Chl-a) 관측자료와의 비교를 통해 위성 기반 분광지수의 적용 가능성을 평가하였다. 동일한 날짜 매칭 시 FAI만이 유의미한 상관관계(r=0.693)를 보인 반면, 나머지 지수들은 약하거나 일관성 없는 관계를 나타냈다. 이러한 성능은 짧은 관측 기간을 포함한 현장 데이터 세트의 한계를 반영한 것으로 해석할 수 있다. 또한 광학적으로 복잡한 내륙 수역에서 신뢰할 수 있는 위성 기반 조류 모니터링을 위해 현장 관측을 확대할 필요가 있음을 강조한다.
KSP Keywords
Chl-a, Sentinel-2(S2)
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