Water Depth Extraction in Minjiang Estuary Using Remotely Sensed TM Data

Abstract:

Remote sensing provides explicit images covering Earth surface. Thus, remote sensing can be applied in water depth extraction. In this paper Minjiang Estuary has been chosen to be the study area for spectral analysis of correlation index between TM image and the water depth in charts. The result shows that in the whole single spectra TM3 provides the largest absolute correlation index and in other band ratios TM1/TM3 offers the larger absolute correlation index. Then TM3 and TM1/TM3 are applied in some models using linear, logarithmic, power exponential and exponential equations in pursuit of obtaining water depth inversion. Among these models, exponential model using TM3 is certified to be the best one.

• Periodical: Advanced Materials Research (Volumes 816-817)
• Pages: 602-605
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.816-817.602
• Online since: September 2013
• Authors: Jiang Ma, Shou Xian Zhu, Wen Hua Zeng, Wen Jing Zhang
• Keywords: Minjiang Estuary, Remote Sensing, TM, Water Depth Extraction

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