BATHYMETRIC MODELING FROM SATELLITE IMAGERY VIA SINGLE BAND ALGORITHM (SBA) AND PRINCIPAL COMPONENTS ANALYSIS (PCA) IN SOUTHERN CASPIAN SEA

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GHOLAMALIFARD M.; ESMAILI SARI A.; ABKAR A.; NAIMI B.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER) Year:2013 | Volume:7 | Issue:4 Page(s): 877-886

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Title

BATHYMETRIC MODELING FROM SATELLITE IMAGERY VIA SINGLE BAND ALGORITHM (SBA) AND PRINCIPAL COMPONENTS ANALYSIS (PCA) IN SOUTHERN CASPIAN SEA

Author(s)

GHOLAMALIFARD M. | ESMAILI SARI A. | ABKAR A. | NAIMI B. | Issue Writer Certificate

Keywords

BATHYMETRY

SATELLITE IMAGERY

SINGLE BAND ALGORITHM (SBA)

PRINCIPAL COMPONENTS ANALYSIS (PCA)

CASPIAN SEA

Abstract

Remotely sensed imagery is proving to be a useful tool to estimate water depths in coastal zones. Bathymetric algorithms attempt to isolate water attenuation and hence depth from other factors by using different combinations of spectral bands. In this research, images of absolute BATHYMETRY using two different but related methods in a region in the southern CASPIAN SEA coasts has been produced. The first method used a Single Band Algorithm (SBA) and assumed a constant water attenuation coefficient throughout the blue band. The second method used Principal Components Analysis (PCA) to adjust for varying water attenuation coefficients without additional ground truth data. PCA method (r=-0.672394) appears to match our control points slightly better than single band algorithm (r=-0.645404). It is clear that both methods can be used as rough estimates of BATHYMETRY for many coastal zone studies in the southern CASPIAN SEA such as near shore fisheries, coastal erosion, water quality, recreation siting and so forth. The presented methodology can be considered as the first step toward mapping BATHYMETRY in the southern CASPIAN SEA. Further research must investigate the determination of the nonlinear optimization techniques as well as the assessment of these models’ performance in the study area.

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APA: Copy

GHOLAMALIFARD, M., ESMAILI SARI, A., ABKAR, A., & NAIMI, B.. (2013). BATHYMETRIC MODELING FROM SATELLITE IMAGERY VIA SINGLE BAND ALGORITHM (SBA) AND PRINCIPAL COMPONENTS ANALYSIS (PCA) IN SOUTHERN CASPIAN SEA. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER), 7(4), 877-886. SID. https://sid.ir/paper/301160/en

Vancouver: Copy

GHOLAMALIFARD M., ESMAILI SARI A., ABKAR A., NAIMI B.. BATHYMETRIC MODELING FROM SATELLITE IMAGERY VIA SINGLE BAND ALGORITHM (SBA) AND PRINCIPAL COMPONENTS ANALYSIS (PCA) IN SOUTHERN CASPIAN SEA. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER)[Internet]. 2013;7(4):877-886. Available from: https://sid.ir/paper/301160/en

IEEE: Copy

M. GHOLAMALIFARD, A. ESMAILI SARI, A. ABKAR, and B. NAIMI, “BATHYMETRIC MODELING FROM SATELLITE IMAGERY VIA SINGLE BAND ALGORITHM (SBA) AND PRINCIPAL COMPONENTS ANALYSIS (PCA) IN SOUTHERN CASPIAN SEA,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER), vol. 7, no. 4, pp. 877–886, 2013, [Online]. Available: https://sid.ir/paper/301160/en

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