Control factors of spectral reflectance in tidal flat: A case study in the Gomso Bay, Korea

Joong Sun Won, Joo Hyung Ryu

Research output: Contribution to conferencePaper

3 Citations (Scopus)

Abstract

The objective of this study is to investigate the control factors of spectral reflectance and microwave scattering in tidal flat. The control factors are generally considered as grain size, soil moisture content, local slope, and creeks. We have carried out field data sampling in the Gomso Bay, Korea, including grain size, soil moisture content and its variation with time, surface roughness, ground levelling, and field spectral reflectance measurement. We have analyzed Landsat TM, EOS-Terra ASTER, RADARSAT, ERS-1/2, and JERS-1 SAR data. L- and C- band radar scattering modelling was also conducted. The results show that tidal condition and remnant surface water are important additional parameters. SWIR is shown to be correlated most with sediment grain size. The grain size of 0.0625 mm has normally been considered as a critical size of mud and sand discrimination. But we propose here that 0.25 mm is more practical grain size criterion in optic remote sensing. The radar scattering modelling show variation of less than 15 dB within the tidal flat, and L-band HV-polarization is turned out to be the best for tidal flat observation. The SAR data is also sensitive to the effective exposed area (EEA) effect.

Original languageEnglish
Pages1588-1590
Number of pages3
Publication statusPublished - 2002 Jan 1
Event2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002) - Toronto, Ont., Canada
Duration: 2002 Jun 242002 Jun 28

Other

Other2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002)
CountryCanada
CityToronto, Ont.
Period02/6/2402/6/28

Fingerprint

spectral reflectance
tidal flat
grain size
Soil moisture
Scattering
Radar
Moisture
scattering
Reflectometers
moisture content
Surface waters
synthetic aperture radar
soil moisture
radar
Remote sensing
Optics
Sediments
Sand
Surface roughness
Microwaves

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Earth and Planetary Sciences(all)

Cite this

Won, J. S., & Ryu, J. H. (2002). Control factors of spectral reflectance in tidal flat: A case study in the Gomso Bay, Korea. 1588-1590. Paper presented at 2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002), Toronto, Ont., Canada.
Won, Joong Sun ; Ryu, Joo Hyung. / Control factors of spectral reflectance in tidal flat : A case study in the Gomso Bay, Korea. Paper presented at 2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002), Toronto, Ont., Canada.3 p.
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Won, JS & Ryu, JH 2002, 'Control factors of spectral reflectance in tidal flat: A case study in the Gomso Bay, Korea' Paper presented at 2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002), Toronto, Ont., Canada, 02/6/24 - 02/6/28, pp. 1588-1590.

Control factors of spectral reflectance in tidal flat : A case study in the Gomso Bay, Korea. / Won, Joong Sun; Ryu, Joo Hyung.

2002. 1588-1590 Paper presented at 2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002), Toronto, Ont., Canada.

Research output: Contribution to conferencePaper

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Won JS, Ryu JH. Control factors of spectral reflectance in tidal flat: A case study in the Gomso Bay, Korea. 2002. Paper presented at 2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002), Toronto, Ont., Canada.