Using MODIS Images and TRMM Data to Correlate Rainfall Peaks and Water Discharges from the Lebanese Coastal Rivers

DOI: 10.4236/jwarp.2009.14028   PDF   HTML     6,458 Downloads   11,869 Views   Citations


Water flows from rivers into the sea (plumes) is a common phenomenon in many coastal zones. The hydro-logic behavior of plumes differs from one river to another depending on rainfall rate and intensity, as well as it is influenced by the hydrologic characteristics of river basin. In order to investigate the precipitation re-gime in a drainage basin versus the flow into the sea, sequential data must be available. Remotely sensed data can fulfill this scope, thus it can provide climatic and hydrologic data. The scope of this study is to monitor the behavior of water input in the catchments versus the output from rivers in the Lebanese coastal zone using remote sensing data. For this purpose, TRMM (Tropical Rainfall Mapping Mission) data and MODIS satellite images were used. Hence, rainfall data from TRMM was compared with the areal extent of water plumes from rivers. This enables establishing interpolation between water input/output for each river basin. In addition, the lag time and residence time of plumes into the sea can be measured and compared between the issuing rivers. The extracted data from remote sensing was compared with terrain measures and shows its reliability and accordance. The used approach proved to be creditable, non-invasive and cost effec-tive and can be applied to other costal river basins.

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A. SHABAN, C. ROBINSON and F. EL-BAZ, "Using MODIS Images and TRMM Data to Correlate Rainfall Peaks and Water Discharges from the Lebanese Coastal Rivers," Journal of Water Resource and Protection, Vol. 1 No. 4, 2009, pp. 227-236. doi: 10.4236/jwarp.2009.14028.

Conflicts of Interest

The authors declare no conflicts of interest.


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