Research Papers

Estimation of forest attributes in the Hyrcanian forests, comparison of advanced space-borne thermal emission and reflection radiometer and satellite poure I’observation de la terre-high resolution grounding data by multiple linear, and classification and regression tree regression models

[+] Author Affiliations
Siavash Kalbi

Sari Agriculture and Natural Resource University, Forestry Department, Sari 578, Iran

Asghar Fallah

Sari Agriculture and Natural Resource University, Forestry Department, Sari 578, Iran

Shaban Shataee

Gorgan Agriculture and Natural Resource, Gorgan 386, Iran

J. Appl. Remote Sens. 8(1), 083632 (May 09, 2014). doi:10.1117/1.JRS.8.083632
History: Received March 24, 2013; Revised February 28, 2014; Accepted March 10, 2014
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Abstract.  Estimation of structural forest attributes, such as volume, basal area, and tree density using a combination of remote sensing and field data, is currently considered a favored option compared to only using field survey data. In a comparative study, multiple linear regression (MLR) and classification and regression tree (CART) models were used to estimate volume, basal area, and tree density using advanced space-borne thermal emission and reflection radiometer (ASTER) and satellite poure I’observation de la terre (SPOT)-high resolution grounding (HRG) imagery in the Darabkola forests, located at the Hyrcanian region of Iran. Results showed that the CART model using SPOT-HRG data achieved the best overall performance for all three forest structural attributes, with adjusted R2=0.746 and RMSE=67.9m3ha1 for volume, adjusted R2=0.771 and RMSE=3.94m2ha1 for basal area, and adjusted R2=0.871 and RMSE=34.71nha1 for tree density. In general, the CART model, using both ASTER and SPOT-HRG data, produced better estimates of forest attributes compared to the MLR model. In addition, results showed that forest attribute estimations using SPOT-HRG were better than those obtained from ASTER data.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Siavash Kalbi ; Asghar Fallah and Shaban Shataee
"Estimation of forest attributes in the Hyrcanian forests, comparison of advanced space-borne thermal emission and reflection radiometer and satellite poure I’observation de la terre-high resolution grounding data by multiple linear, and classification and regression tree regression models", J. Appl. Remote Sens. 8(1), 083632 (May 09, 2014). ; http://dx.doi.org/10.1117/1.JRS.8.083632


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