Estimation of total suspended matter in the Zhujiang (Pearl) River estuary from Hyperion imagery

Dazhao Liu; Dongyang Fu; Bing Xu; Chunyan Shen

doi:10.1007/s00343-012-0148-5

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Estimation of total suspended matter in the Zhujiang (Pearl) River estuary from Hyperion imagery

Updated：2023-05-16

- Estimation of total suspended matter in the Zhujiang (Pearl) River estuary from Hyperion imagery
- Journal of Oceanology and Limnology Vol. 30, Issue 1, Pages: 16-21(2012)
- Affiliations：
  
  Ocean Remote Sensing and Information Laboratory Guangdong Ocean University
- Author bio：
- Funds：
- DOI：10.1007/s00343-012-0148-5
  CLC：
- Online First：15 November 2012，
  
  Published：2012
- Accepted：
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Liu, D., Fu, D., Xu, B. et al. Estimation of total suspended matter in the Zhujiang (Pearl) River estuary from Hyperion imagery., Chin. J. Ocean. Limnol. 30, 16–21 (2012). https://doi.org/10.1007/s00343-012-0148-5
DOI：

Liu, D., Fu, D., Xu, B. et al. Estimation of total suspended matter in the Zhujiang (Pearl) River estuary from Hyperion imagery., Chin. J. Ocean. Limnol. 30, 16–21 (2012). https://doi.org/10.1007/s00343-012-0148-5 DOI：

摘要

Abstract

Although remote sensing data have been used to estimate total suspended matter (TSM) in coastal waters

it has limitations when applied to estuary waters in low spatial resolution situations. The spatial resolution of ocean color satellites such as SeaWiFS and MODIS is usually ∼1 km

and therefore is not adequate for small

local-scale areas such as the Zhujiang (Pearl) River estuary. In contrast

30 m-resolution EO-1 Hyperion imagery has potential for studying TSM in localized areas. We measured the surface spectral radiance reflectance of the river estuary water in the visible and near infra-red spectral range. Sensitivity analysis indicated that the ratio of remote sensing reflectance at 813 nm (R rs(813)) to reflectance at 559 nm (R rs(559)) could be used to estimate TSM concentration

and a linear relationship was established between the ratio and in-situ TSM concentration. We applied the linear relationship to Hyperion imagery to map TSM concentration in the estuary. The Hyperion imagery provided sufficient spatial resolution to detect spatiotemporal changes in TSM concentrations in the estuary small estuary area. This study demonstrated the usefulness of Hyperion imagery for mapping the distribution of TSM in estuary waters.

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references

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