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Updated: Jun 26, 2026
08:16
Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring
Published on: October 24, 2025
Improving Forest Carbon Sink Accounting Using Integrated Satellite-Ground Observations, Machine Learning, and
Xinhua Hong1,2,3, Jiajia Wang4, Junjie Huang5
1College of Life and Environment Sciences, Huangshan University, Huangshan245041, China.
Environmental Science & Technology
|June 24, 2026
Summary
This study introduces an integrated framework to accurately measure forest carbon sinks. The new method enhances carbon accounting and shows China
Area of Science:
- Forest ecology and climate change mitigation.
- Terrestrial carbon cycle dynamics.
- Environmental policy effectiveness.
Background:
- Forest ecosystems are crucial terrestrial carbon sinks for climate change mitigation.
- Current carbon accounting methods are limited by inaccurate background CO2 measurements.
- Reliable regional carbon accounting requires integrated monitoring approaches.
Purpose of the Study:
- To develop and apply an integrated framework for monitoring forest carbon sinks.
- To improve the accuracy of Net Ecosystem Productivity (NEP) reconstruction.
- To evaluate the impact of ecological conservation policies on carbon sequestration.
Main Methods:
- Integration of satellite observations and mobile ground-based measurements.
- Application of the Gradient Boosting Regression Trees (GBRT) algorithm for CO2 concentration.
- Utilizing the Boreal Ecosystem Productivity Simulator (BEPS) model with GBRT-derived CO2 data.
Main Results:
- Improved BEPS model performance with GBRT-derived CO2, increasing correlation from 0.571 to 0.802.
- Observed sustained increase and acceleration in Kunyu Mountain's NEP after 2016.
- Attributed 5%-7% increase in carbon sequestration to ecological conservation policies.
Conclusions:
- The integrated framework offers a novel approach for accurate regional carbon sink accounting.
- The study demonstrates significant carbon sequestration increases in Kunyu Mountain, linked to policy implementation.
- Ecological conservation policies have demonstrably enhanced forest carbon uptake capacity.
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