Variability of chromatic vegetation indices derived from digital repeat photography in the Biebrza Valley

Jan Górowski

doi:10.2478/mgrsd-2026-0001

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Variability of chromatic vegetation indices derived from digital repeat photography in the Biebrza Valley

Miscellanea Geographica

AHEAD OF PRINT

By: Jan Górowski

Open Access

|Jul 2026

Abstract

This study presents an application of digital repeat photography to determine seasonal and interannual variability of chromatic vegetation indices of a wetland ecosystem in 2022–2024. The green chromatic coordinate (g_cc), along with red (r_cc) and blue (b_cc), revealed clear seasonal patterns, with the highest g_cc values observed in summer and the lowest in winter. Despite similar annual trends, the timing and magnitude of vegetation greening differed significantly during those years. These differences closely followed variations in air temperature and growing degree day sums (GDDS), highlighting the strong influence of thermal conditions on vegetation phenology. The inverse seasonal response of rcc and winter-dominant b_cc further reflected physiological changes and snow cover dynamics. While temperature emerged as the primary driver, findings from related studies suggest that other abiotic factors may also play a significant role. Further analysis is needed to fully understand the complex interactions shaping vegetation dynamics in this wetland environment.

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Articles in this issue

DOI: https://doi.org/10.2478/mgrsd-2026-0001 | Journal eISSN: 2084-6118 | Journal ISSN: 0867-6046 (formerly 2084-6118)

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Language: English

Submitted on: Apr 24, 2025

Accepted on: Jan 7, 2026

Published on: Jul 20, 2026

Published by: Faculty of Geography and Regional Studies, University of Warsaw

In partnership with: Paradigm Publishing Services

Keywords:

Biebrza National Park,

Poland,

wetland,

phenology,

phenocamera,

digital repeat photography,

green chromatic coordinate

Related subjects:

Geosciences,

Geosciences, other

© 2026 Jan Górowski, published by Faculty of Geography and Regional Studies, University of Warsaw
This work is licensed under the Creative Commons Attribution 4.0 License.

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