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Spill-line-driven DEM correction: an adaptive algorithm for hydrological depression processing

delete2025-08-08
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PRE
AI
J
Jun Chen *
N
Nanting Zou
陈
陈赟 (Yun Chen)
Y
Y. Liu
DOI：10.1016/j.jhydrol.2025.134034delete
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Abstract

Abstract

En 中文
• A new algorithm based on spill lines resolves abnormal flow direction generation in depression areas. • The proposed terrain-adaptive thinning algorithm ensures spill lines follow terrain valleys while eliminating depressions. • Research provides a DEM pre-processing method, improving data quality for hydrological analyses.
Keywords:
spill lines
terrain-adaptive thinning
depression removal
DEM pre-processing
hydrological analysis

Journal

Journal of Hydrology cover
Journal of Hydrology
IF:
6.3
Papers:
2.3W
Citations:
9.8W

Organization

No organization information available