Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef

Zhen Liu

doi:10.1007/s00343-013-2287-8

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Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef

OriginalPaper | Updated：2023-05-16

- Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef
- Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef
- 海洋湖沼学报（英文） 2013年31卷第6期页码：1350-1355
- Affiliations：
  
  College of Information Science and Engineering Ocean University of China
- Author bio：
- Funds：
  
  Supported by the National Science Foundation for Young Scientists of China (No. 40906087)
- DOI：10.1007/s00343-013-2287-8
  中图分类号：
- 网络首发：2013-11-06，
  
  纸质出版：2013
- Accepted：
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Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef[J]. 海洋湖沼学报（英文）, 2013,31(6):1350-1355.

Liu, Z. Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef., Chin. J. Ocean. Limnol. 31, 1350–1355 (2013). https://doi.org/10.1007/s00343-013-2287-8
Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef[J]. 海洋湖沼学报（英文）, 2013,31(6):1350-1355. DOI： 10.1007/s00343-013-2287-8.

Liu, Z. Bathymetry and bottom albedo retrieval using Hyperion: a case study of Thitu Island and reef., Chin. J. Ocean. Limnol. 31, 1350–1355 (2013). https://doi.org/10.1007/s00343-013-2287-8 DOI：

摘要

Abstract

The Spratly (Nansha) Islands in the South China Sea have considerable economic and important militarily strategic status. Ocean color remote sensing is an effective mean of surveying and research and especially it is useful for areas that are difficult to access

such as Thitu Island and its reef in the Spratly Islands. The Hyper-spectral Optimization Process Exemplar (HOPE) model

developed by Lee et al. (1999) is a rapid and robust bathymetry method that uses hyper-spectral remote sensing. In this study

using Hyperion hyper-spectral sensor data and HOPE

we derive bathymetry and bottom albedo measurements around Thitu Island and its reef. We compare the distribution of bottom depths from C-MAP with that derived from the Hyperion data. The retrieved bathymetry results correlate well with the distribution obtained from the bathymetry contour from 2.0 to 20 m. The average difference between Hyperion and C-MAP for two selected transects was 17.1% (n=59

R=0.848

RMSE=2.342) and 10.9% (n=59

R 2=0.834

RMSE=0.463). The retrieved bottom albedo is homogeneous in the lagoon and significantly non-homogeneous around the lagoon. These results indicate that HOPE could be very useful for bathymetry studies for the islands of the South China Sea.

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references

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