Iswandari, Selvy (2025) Estimation Of Carbon Stock On Various Land Cover In Wonosalam Village Jombang District Using NDVI Vegetation Index And Landsat 9. Undergraduate thesis, Universitas Pembangunan Nasional Veteran Jawa Timur.
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Abstract
Global warming is one of the major environmental issues triggered by increasing carbon emissions from human activities such as deforestation and land use change. Vegetation plays an important role in reducing carbon emissions through the processes of carbon absorption and storage within biomass and soil. The dominance of natural vegetation and community plantations in Wonosalam Village makes this area an important carbon sink. This study aims to analyze carbon stock across various land cover types in Wonosalam Village using the Normalized Difference Vegetation Index (NDVI) derived from Landsat 9 imagery, validated with field measurements. The research was conducted from March to August 2025. Field carbon stock measurements were carried out using allometric equations based on vegetation types. Landsat 9 imagery was classified using an unsupervised method to determine land cover distribution. NDVI values from each sample point were correlated with field carbon stock data using two types of regression models, and the model with the highest coefficient of determination (R²) was selected as the best model. The results showed that the power regression model (Y = 760.15x¹·³⁰³⁶) produced the highest coefficient of determination (R² = 0.8997) and was used as the basis for carbon stock estimation. The total estimated carbon stock was 102,957 tons with a total biomass of 205,914 tons. These findings indicate that the NDVI- and Landsat 9–based approach is effective for spatial estimation of carbon stock. Keyword: Biomass, Landsat 9, NDVI, Global Warming, Carbon Stock
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science | ||||||||||||
| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | Student Selvy Iswandari | ||||||||||||
| Date Deposited: | 20 Nov 2025 07:29 | ||||||||||||
| Last Modified: | 20 Nov 2025 07:29 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/46894 |
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