Monitoring temperate forest degradation on Google Earth Engine using Landsat time series analysis

S Chen, CE Woodcock, EL Bullock, P Arévalo… - Remote Sensing of …, 2021 - Elsevier
Current estimates of forest degradation are associated with large uncertainties. However,
recent advancements in the availability of remote sensing data (eg, the free data policies of …

[HTML][HTML] Mapping grassland mowing events across Germany based on combined Sentinel-2 and Landsat 8 time series

M Schwieder, M Wesemeyer, D Frantz, K Pfoch… - Remote Sensing of …, 2022 - Elsevier
Spatially explicit knowledge on grassland extent and management is critical to understand
and monitor the impact of grassland use intensity on ecosystem services and biodiversity …

[HTML][HTML] Quantifying drought effects in Central European grasslands through regression-based unmixing of intra-annual Sentinel-2 time series

K Kowalski, A Okujeni, M Brell, P Hostert - Remote Sensing of Environment, 2022 - Elsevier
Severe droughts caused unprecedented impacts on grasslands in Central Europe in 2018
and 2019. Yet, spatially varying drought impacts on grasslands remain poorly understood as …

Monitoring shifting cultivation in Laos with Landsat time series

S Chen, P Olofsson, T Saphangthong… - Remote Sensing of …, 2023 - Elsevier
Shifting cultivation is an agricultural practice in which plots of land are cultivated temporarily,
then abandoned, and vegetation is allowed to regenerate during fallow periods. Shifting …

Spatial validation of spectral unmixing results: A systematic review

RM Cavalli - Remote Sensing, 2023 - mdpi.com
The pixels of remote images often contain more than one distinct material (mixed pixels),
and so their spectra are characterized by a mixture of spectral signals. Since 1971, a shared …

[HTML][HTML] A generalized framework for drought monitoring across central European grassland gradients with Sentinel-2 time series

K Kowalski, A Okujeni, P Hostert - Remote Sensing of Environment, 2023 - Elsevier
Fractional cover time series of photosynthetic vegetation (PV), non-photosynthetic
vegetation (NPV), and soil from remote sensing provide essential detail to understand how …

Object-based change detection for vegetation disturbance and recovery using Landsat time series

Z Wang, C Wei, X Liu, L Zhu, Q Yang… - GIScience & Remote …, 2022 - Taylor & Francis
Accurate characterization of historical trends in vegetation change at the landscape scale is
necessary for resource management and ecological assessment. Vegetation disturbance …

[HTML][HTML] Multidecadal grassland fractional cover time series retrieval for Germany from the Landsat and Sentinel-2 archives

A Okujeni, K Kowalski, KE Lewińska… - Remote Sensing of …, 2024 - Elsevier
Time series data provided by the Sentinel-2 and Landsat satellite missions offer manifold
opportunities for grassland monitoring. The high intra-annual observation density of Sentinel …

[HTML][HTML] Learning the variations in annual spectral-temporal metrics to enhance the transferability of regression models for land cover fraction monitoring

VD Pham, F Thiel, D Frantz, A Okujeni, F Schug… - Remote Sensing of …, 2024 - Elsevier
Monitoring the Earth by annually mapping land cover (LC) fractions helps to better
understand the ongoing processes and changes of land use and land management. At 10 to …

Spatio‐temporal dynamics of aboveground biomass in China's oasis grasslands between 1989 and 2021

P Chen, S Wang, Y Liu, Y Wang, J Song, Q Tang… - Earth's …, 2024 - Wiley Online Library
Grassland provides multiple ecosystem services and plays a key role in preventing desert
encroachment and maintaining oasis stability. In China, the area of cropland in oases has …