Jung et al. (2026) Operational monitoring of vegetation drought considering the propagation processes between various meteorological drought indices and vegetation indices

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Identification

• Journal: Stochastic Environmental Research and Risk Assessment
• Year: 2026
• Date: 2026-09-19
• Authors: Haeun Jung, Jeongeun Won, Kyung-A You, Jongho Keum, Suhyung Jang, Sangdan Kim
• DOI: 10.1007/s00477-026-03373-1

Research Groups

Not specified in the provided text.

Short Summary

The study introduces a copula-based framework and a new index, the Ecological Drought Index-vegetation (EDI-veg), to monitor vegetation drought in Far East Asia by integrating meteorological drought indices and vegetation indices.

Objective

• To develop a routine monitoring framework for vegetation drought (VD) propagated from meteorological drought (MD) and to identify the most suitable meteorological and vegetation indices for monitoring VD across different regions and time periods.

Study Configuration

• Spatial Scale: Far East Asia region.
• Temporal Scale: Not explicitly specified (utilizes time-series analysis for routine monitoring).

Methodology and Data

• Models used: Copula-based framework; Ecological Drought Index-vegetation (EDI-veg).
• Data sources: Meteorological Drought Indices (MDIs) and Vegetation Indices (VIs) derived from Earth observation technology.

Main Results

• The EDI-veg effectively monitors the occurrence, development, and dissipation of vegetation drought in Far East Asia.
• The framework allows for the identification of the most relevant MDIs and VIs for VD monitoring depending on the specific region and time.
• Vulnerable regions and periods were identified by estimating the probability of VD across different land use patterns.

Contributions

• Provides a methodological advancement over traditional monitoring by combining MDIs and VIs into a single index (EDI-veg), rather than relying on either in isolation.
• Offers a tool for identifying regional and temporal vulnerabilities to vegetation drought based on land use.

Funding

Not specified in the provided text.

Citation

@article{Jung2026Operational,
  author = {Jung, Haeun and Won, Jeongeun and You, Kyung-A and Keum, Jongho and Jang, Suhyung and Kim, Sangdan},
  title = {Operational monitoring of vegetation drought considering the propagation processes between various meteorological drought indices and vegetation indices},
  journal = {Stochastic Environmental Research and Risk Assessment},
  year = {2026},
  doi = {10.1007/s00477-026-03373-1},
  url = {https://doi.org/10.1007/s00477-026-03373-1}
}