Year 2019, Volume 6, Issue 1, Pages 83 - 114 2019-04-12

An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh

Md.Salamun Rashidin [1] , Sara Javed [2] , Dr. Bin Liu [3] , Tafsirojjaman Tafsirojjaman [4]

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Objective of the study is to know the inherent morphological process of the river system in the Haor areas of sylhet basin. The specific objective is to “validate the existing conceptual Model of the CEGIS”. This research for the validation of the CEGIS Model. Primary data was collected through routine measurements of discharge, sediment concentration, measurements of cross-sections, sediment concentration measurements. Secondary data was collected on water level, discharge, velocity and cross-section from the BWDB. Satellite images have been collected from USGS. A thorough review of the manuals of different numerical models were carried out. After evaluation of the models HEC-RAS 5.0.3 has been selected. Validation of the CEGIS conceptual Model was tried using both conventional way of data analysis as well as from model output. Both the models have been fine-tuned and simulated to predict the future scenarios with 20% increase of discharge as well as 20% decrease of discharge at the upstream. Findings of the study confirms the acceptability of Hypothesis 1, Hypothesis 2 could not be (conclusively) validated. Concluded that, the bankfull water levels at the downstream decrease, changes in channel dimension, the change of both the area and the top width shows a scattered pattern and change of average depth shows a decreasing trend towards downstream direction. (i) Conventional analysis, Hypotheses 3 may be considered validated (ii) From Model output, it may be stated that the Hypothesis 3 may be considered as not validated. Hypotheses 4 and 5 relate to the hypothetical ‘Regime Condition’ of the river. Its clear that the Surma River is not in ‘Regime Condition’. So the hypothesis could not be validated through the model output. But ‘Regime Condition’ is a theoretical condition of a river, the validity of these two hypotheses (4 and 5) can be accepted on Theoretical explanation basis.


Hydro-morphological Process;, Model Validation, Sylhet Haor Basin
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Primary Language en
Journal Section Research Articles
Authors

Orcid: 0000-0003-1273-8494
Author: Md.Salamun Rashidin (Primary Author)
Institution: University of International Business and Economics (UIBE)
Country: China


Orcid: 0000-0002-7234-7690
Author: Sara Javed
Institution: University of International Business and Economics (UIBE)
Country: China


Orcid: 0000-0002-7234-7690
Author: Dr. Bin Liu
Institution: University of International Business and Economics (UIBE)
Country: China


Orcid: 0000-0002-4801-6744
Author: Tafsirojjaman Tafsirojjaman
Institution: Queensland University of Technology, Australia
Country: Australia


Dates

Publication Date: April 12, 2019

Bibtex @research article { ijegeo518468, journal = {International Journal of Environment and Geoinformatics}, issn = {}, eissn = {2148-9173}, address = {Cem GAZİOĞLU}, year = {2019}, volume = {6}, pages = {83 - 114}, doi = {10.30897/ijegeo.518468}, title = {An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh}, key = {cite}, author = {Rashidin, Md.Salamun and Javed, Sara and Liu, Dr. Bin and Tafsirojjaman, Tafsirojjaman} }
APA Rashidin, M , Javed, S , Liu, D , Tafsirojjaman, T . (2019). An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh. International Journal of Environment and Geoinformatics, 6 (1), 83-114. DOI: 10.30897/ijegeo.518468
MLA Rashidin, M , Javed, S , Liu, D , Tafsirojjaman, T . "An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh". International Journal of Environment and Geoinformatics 6 (2019): 83-114 <http://dergipark.org.tr/ijegeo/issue/43673/518468>
Chicago Rashidin, M , Javed, S , Liu, D , Tafsirojjaman, T . "An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh". International Journal of Environment and Geoinformatics 6 (2019): 83-114
RIS TY - JOUR T1 - An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh AU - Md.Salamun Rashidin , Sara Javed , Dr. Bin Liu , Tafsirojjaman Tafsirojjaman Y1 - 2019 PY - 2019 N1 - doi: 10.30897/ijegeo.518468 DO - 10.30897/ijegeo.518468 T2 - International Journal of Environment and Geoinformatics JF - Journal JO - JOR SP - 83 EP - 114 VL - 6 IS - 1 SN - -2148-9173 M3 - doi: 10.30897/ijegeo.518468 UR - https://doi.org/10.30897/ijegeo.518468 Y2 - 2019 ER -
EndNote %0 International Journal of Environment and Geoinformatics An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh %A Md.Salamun Rashidin , Sara Javed , Dr. Bin Liu , Tafsirojjaman Tafsirojjaman %T An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh %D 2019 %J International Journal of Environment and Geoinformatics %P -2148-9173 %V 6 %N 1 %R doi: 10.30897/ijegeo.518468 %U 10.30897/ijegeo.518468
ISNAD Rashidin, Md.Salamun , Javed, Sara , Liu, Dr. Bin , Tafsirojjaman, Tafsirojjaman . "An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh". International Journal of Environment and Geoinformatics 6 / 1 (April 2019): 83-114. https://doi.org/10.30897/ijegeo.518468
AMA Rashidin M , Javed S , Liu D , Tafsirojjaman T . An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh. International Journal of Environment and Geoinformatics. 2019; 6(1): 83-114.
Vancouver Rashidin M , Javed S , Liu D , Tafsirojjaman T . An Empirical Investigation on Hydro-Morphological Process of Surma River: Substantiation from North-East Zone of Bangladesh. International Journal of Environment and Geoinformatics. 2019; 6(1): 114-83.