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Title:Detecting bark beetle-induced changes in coniferous alpine forests using Sentinel-2 time series and in-situ felling data
Authors:ID Potočnik Buhvald, Ana (Author)
ID Oštir, Krištof (Author)
ID Skudnik, Mitja (Author)
Files:URL URL - Source URL, visit https://isprs-archives.copernicus.org/articles/XLVIII-M-7-2025/283/2025/
 
.pdf PDF - Presentation file, download (2,35 MB)
MD5: 261B08BC23471299C6E52661E24BD36B
 
Language:English
Typology:1.08 - Published Scientific Conference Contribution
Organization:Logo SciVie - Slovenian Forestry Institute
Abstract:Mapping forest areas affected by bark beetle infestation using remote sensing imagery is crucial for effective hazard management and risk assessment. This study evaluates the potential of Sentinel-2 satellite image time series (SITS) in combination with in-situ felling data to detect bark beetle infestation in coniferous forests in Pokljuka, Slovenia. The analysis uses the CuSum method, all Sentinel-2 spectral bands and key spectral indices such as NDVI and NBSI to identify changes and areas of forest loss in the period 2017–2021. The resulting geospatial dataset, which integrates these remote sensing results with field data, serves as a basis for further analyses using advanced machine and deep learning methods and various remote sensing data such as hyperspectral datasets. In addition, we found that the most useful bands for detecting the loss of alpine coniferous forests are SWIR (B11, B12), Red (B04) and Red-Edge (B05) as well as the two spectral in dices used, NDVI and NBSI.
Keywords:Norway Spruce, CUSUM, Pokljuka, Slovenia, deep learning dataset
Publication status:Published
Publication version:Version of Record
Year of publishing:2025
Number of pages:str. 283-289
PID:20.500.12556/DiRROS-25470 New window
UDC:004.8:630*0(497.4)
ISSN on article:2194-9034
COBISS.SI-ID:237911555 New window
Note:Nasl. z nasl. zaslona; Opis vira z dne 2. 6. 2025;
Publication date in DiRROS:21.01.2026
Views:128
Downloads:94
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Record is a part of a proceedings

Title:44th EARSeL Symposium
COBISS.SI-ID:237899011 New window

Record is a part of a journal

Title:International archives of the photogrammetry, remote sensing and spatial information sciences
Shortened title:Int. arch. photogramm. remote sens. spat. inf. sci.
Publisher:Copernicus Publications
ISSN:2194-9034
COBISS.SI-ID:524697881 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:J2-3055-2021
Name:ROVI – Združevanje in obdelava radarskih in optičnih časovnih vrst satelitskih posnetkov za spremljanje naravnega okolja

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0406-2019
Name:Opazovanje Zemlje in geoinformatika

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Abstract:Kartiranje gozdnih območij, ki jih je napadel lubadar, s pomočjo posnetkov daljinskega zaznavanja je ključnega pomena za učinkovito obvladovanje nevarnosti in oceno tveganja. Ta študija ocenjuje možnosti časovnih serij satelitskih posnetkov Sentinel-2 (SITS) v kombinaciji s podatki o sečnji na kraju samem za odkrivanje napada lubadarja v iglastih gozdovih na Pokljuki v Sloveniji. Analiza uporablja metodo CuSum, vse spektralne pasove Sentinel-2 in ključne spektralne indekse, kot sta NDVI in NBSI, za ugotavljanje sprememb in območij izgube gozdov v obdobju 2017-2021. Nastali geoprostorski podatkovni niz, ki združuje te rezultate daljinskega zaznavanja s terenskimi podatki, služi kot podlaga za nadaljnje analize z uporabo naprednih metod strojnega in globokega učenja ter različnih podatkov daljinskega zaznavanja, na primer hiperspektralnih podatkovnih nizov. Poleg tega smo ugotovili, da so najbolj uporabni spektralni kanali za zaznavanje izgube alpskih iglastih gozdov kratkovalovna infrardeča kanala (B11, B12), rdeči kanal (B04) in kanal rdečega roba (B05) ter uporabljena spektralna indeksa, NDVI in NBSI.
Keywords:navadna smreka, CUSUM, Pokljuka, Slovenija, set podatkov za globoko učenje


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