基于开源遥感数据的洪水测绘，使用高效的波段组合系统

IF 1.3 4区地球科学 Q3 GEOGRAPHY, PHYSICAL

Acta Geographica Slovenica-Geografski Zbornik Pub Date : 2022-12-31 DOI:10.3986/ags10598

E. Hidayah, Tedy Pranadiarso, G. Halik, I. Indarto, W. Lee, Mokhammad Farid Maruf

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引用次数: 0

摘要

洪水测绘是规划防洪的重要组成部分。遥感数据的可用性使快速绘制洪水地图成为可能。本文开发了一种利用卫星图像快速绘制洪水图的精确方法。哨兵2号图像是通过获取低地洪水事件前后的数据进行测试的。洪水提取是使用新开发的洪水淹没提取指数（FIEI）进行的，并与最常用的指数修正归一化差值水指数（MNDWI）进行比较。根据阈值的选择，将结果分为淹没区和非淹没区。基于总系数和kappa系数的性能准确性评估表明，FIEI方法比MNDWI方法更准确。

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Flood mapping based on open-source remote sensing data using an efficient band combination system

Flood mapping is an essential component of planning flood mitigation. The availability of remote sensing data makes rapid flood mapping possible. This article develops an accurate method for rapid flood mapping using satellite imagery. Sentinel-2 imagery was tested by acquiring data before and after a flood event in a lowland area. Flooding extraction was performed using the newly developed Flood Inundation Extraction Index (FIEI) and compared to the Modified Normalized Difference Water Index (MNDWI), the most commonly used index. Based on the choice of threshold, the results are divided into flooded and non-flooded areas. Evaluation of the performance accuracy based on the total and kappa coefficients showed that the FIEI approach is more accurate than the MNDWI approach.

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来源期刊

Acta Geographica Slovenica-Geografski Zbornik 地学-地质学

CiteScore

2.60

自引率

35.30%

发文量

审稿时长

>12 weeks

期刊介绍： Acta geographica Slovenica publishes original research papers from all fields of geography and related disciplines, and provides a forum for discussing new aspects of theory, methods, issues, and research findings, especially in Central, Eastern and Southeastern Europe. The review accepts original research papers and review papers. Papers presenting new developments and innovative methods in geography are welcome. Submissions should address current research gaps and explore state-of-the-art issues. Research based on case studies should have the added value of transnational comparison and should be integrated into established or new theoretical and conceptual frameworks. The target readership is researchers, policymakers, students, and others who are studying or applying geography at various levels. Submissions are accepted in English or Slovenian.