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Near Real-Time Monitoring of Alpine Forests with AlpMon Service

AlpMon Service offers near real-time monitoring of Alpine forests to detect forest changes, assess risks like storm and bark beetle damage, and provide valuable insights for forest management. Through advanced satellite processing, users can access forest change alerts, species mapping, and other essential data for informed decision-making.

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Near Real-Time Monitoring of Alpine Forests with AlpMon Service

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  1. The ASAP - AlpMon Service: Near Real-Time Monitoring of Alpine Forests Mathias Schardt Janik Deutscher Martin Puhm ---------------- Partners: supported by www.catalysts.cc/projects/alpmon/ www.joanneum.at/digital

  2. Risks for Alpine Forests Consequences of Climate Change on Forests • Increasing storm damage • Drought damage • -> Increasing insect calamities • New record of bark beetle calamities !! timber vol. damaged by storm and bark beetles in AT, 2017 (BFW) Öst. Forstzeitschrift 04/2018 www.joanneum.at/digital

  3. AlpMon: Alpine Forest Services AlpMon Service 1 AlpMon Service 2 • • near real-time forest change detection based on S-2 time series analysis & a change alert system long-term trend analysis improved static forest maps • forest border & tree line • dominant leaf type & tree species • tree cover density • www.joanneum.at/digital

  4. AlpMon: Alpine Forest Services AlpMon Services will be available through a web-based user interface AlpMon Services are processed and run on the EODC cloud infrastructure AlpMon User Interface (mockup) https://www.eodc.eu/ www.joanneum.at/digital

  5. TCD change detection 2012 (t1) Copernicus Nutzbar Machen 30. Mai 2017 5

  6. TCD change detection 2015 (t2) Copernicus Nutzbar Machen 30. Mai 2017 6

  7. Change Detection Result Forest recovery Copernicus Nutzbar Machen 30. Mai 2017 7

  8. AlpMon: Sentinel-2 Processing • Fully automated Sentinel-2 (pre-)processing chain in Joanneum Impact Software • daily check for new imagery for pre-defined granules -> if YES: start pre-processing • ToA to BoA with Sen2Cor • cloud/snow masking based on enhanced Sen2Cor scene classification • topographic normalization in IMPACT (global: SRTM; Austria: LiDAR ndsm) • calculation of (vegetation) indices • time series analysis based on Least Squares estimates & Kalman Filter • can be run on various cloud environments via docker containers www.joanneum.at/digital

  9. AlpMon: NRT Forest Change Service pre-processing & time series analysis change is detected change is analysed - - email/sms alert new change layer in user-interface + download of shapefile - - - - size of affected area date of first detection change type (storm, harvest) timber volume (from CHM) www.joanneum.at/digital

  10. AlpMon: NRT Forest Change Tool raw observations - Tasseled Cap - spectral bands - indices… Kalman filter & outlier detection iteratively reweighted least squares estimation www.joanneum.at/digital

  11. Bark Beetle Damage • Juni 2017 Juli 2018 Sentinel-2 Scene of 28.09.2018, Allentsteig www.joanneum.at/digital

  12. Classification of Damaged Areas • Juni 2017 Juli 2018 Sentinel-2 Scene of 28.09.2018 Change detection example: Red = bark beetle damage, status September 2018 • • www.joanneum.at/digital

  13. Classification of Storm Damage Juni 2017 Juli 2018 www.joanneum.at/digital

  14. Separation of Storm and Bark Beetle Damage Juni 2017 Juli 2018 www.joanneum.at/digital

  15. AlpMon: Tree Species Map Tree species separation based on phenologic differences spring autumn Sentinel-2 image alder tree species classification beech www.joanneum.at/digital

  16. AlpMon: Demo Sites and Test Users • The demo sites for the AlpMon services are the Austrian Bundesland Steiermark / Styria and selected bark beetle sites in Lower and Upper Austria • The AlpMon Services can easily be expanded to full Alpine scale • Test users are from a variety of forest entities: • • • • • forest owners and forest owner representatives private forest companies private forest offices forest administration offices (Landesforstdirektion) governmental organistations www.joanneum.at/digital

  17. Frame Work Conditions • Data analyses based on time series analyses makes cloud processing absolutely necessary. EODC – Infrastructure must be available sustainably, as forest monitoring services should be offered continuously. The timely resolution of cloud-free Sentinel 2 – data is limited particularly in Alpine regions because of frequent cloud cover, 4 satellites instead of 2 satellites would be nice. Bottle neck of operational services is very often the limited information content of satellite data. Users who apply other methods of information retrieval often have detailed requirements regarding information depth and accuracy that cannot always be met by EO-based methods. • • • • www.joanneum.at/digital

  18. AlpMon: Alpine Forest Services For more information on • • our AlpMon Services our custom-tailored EO forest solutions visit our project website: www.catalysts.cc/projects/alpmon/ www.joanneum.at/digital

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