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Annals of GIS Volume 17, 2011 - Issue 2: The Second International Conference on Global Change and the Environment in Asia and Pacific (GCEAP 2010)
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Original Articles

Monitoring spatial and temporal variability of suspended sediment in Indus River by means of remotely sensed data

Asif Bhatti Department of Infrastructure Systems Engineering, Kochi University of Technology, Kami City, Kochi, JapanCorrespondence[email protected]
,
Pongsak Suttinon Department of Infrastructure Systems Engineering, Kochi University of Technology, Kami City, Kochi, Japan
&
Seigo Nasu Department of Infrastructure Systems Engineering, Kochi University of Technology, Kami City, Kochi, Japan
Pages 125-134 | Received 27 Feb 2011, Accepted 23 Mar 2011, Published online: 22 Jun 2011

Figures & data

Figure 1. Annual sediment load computed from hydrograph survey.

Figure 1. Annual sediment load computed from hydrograph survey.

Table 1. Sediment data of the selected world rivers (WAPDA Citation1991)

Figure 3. Simulated ALOS/AVNIR-2 reflectance of varying SSC (0–1000 mg/l).

Figure 3. Simulated ALOS/AVNIR-2 reflectance of varying SSC (0–1000 mg/l).

Figure 4. Relationship between SSC and the developed reflectance model.

Figure 4. Relationship between SSC and the developed reflectance model.

Figure 2. Spectral reflectance of water with varying concentrations of collected soil samples.

Figure 2. Spectral reflectance of water with varying concentrations of collected soil samples.

Figure 5. ALOS/AVNIR-2 image of Tarbela Dam and Indus River, Pakistan. Acquisition date: 6 October 2006.

Figure 5. ALOS/AVNIR-2 image of Tarbela Dam and Indus River, Pakistan. Acquisition date: 6 October 2006.

Figure 6. Spectral comparison between modeled and ALOS/AVNIR reflectance data.

Figure 6. Spectral comparison between modeled and ALOS/AVNIR reflectance data.

Figure 7. Reflectance pattern of ALOS/AVNIR-2 satellite data at every 10 km along the Indus River upstream of the dam.

Figure 7. Reflectance pattern of ALOS/AVNIR-2 satellite data at every 10 km along the Indus River upstream of the dam.

Figure 8. SSC distribution along the Indus River upstream of the dam derived from ALOS/AVNIR-2 satellite image by model inversion technique.

Figure 8. SSC distribution along the Indus River upstream of the dam derived from ALOS/AVNIR-2 satellite image by model inversion technique.

Figure 9. SSC along the river reach upstream of the dam derived from SPOT satellite image by model inversion technique.

Figure 9. SSC along the river reach upstream of the dam derived from SPOT satellite image by model inversion technique.

Figure 11. Relationship between SSC (mg/l) and the developed two-band ALOS/AVNIR-2 reflectance model.

Figure 11. Relationship between SSC (mg/l) and the developed two-band ALOS/AVNIR-2 reflectance model.

Figure 10. ALOS/AVNIR-2 reflectance [(B 4+B 3)/(B 3/B 4)] pattern along the Indus River upstream of the dam.

Figure 10. ALOS/AVNIR-2 reflectance [(B 4+B 3)/(B 3/B 4)] pattern along the Indus River upstream of the dam.

Figure 13. Relationship between SSC and the developed SPOT (two-band) reflectance model.

Figure 13. Relationship between SSC and the developed SPOT (two-band) reflectance model.

Figure 12. SPOT-2 reflectance [(B 3+B 2)/(B 2/B 3)] pattern along the Indus River upstream of the dam.

Figure 12. SPOT-2 reflectance [(B 3+B 2)/(B 2/B 3)] pattern along the Indus River upstream of the dam.

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