The primary step in drainage basin analysis is to designate order. The definition of a small drainage basin as it However, the present burst of activity in hydrologic simulation is a direct result of widespread availability of the computer. Drainage-Basin Characteristics 3 Drainage-Basin Characteristics Topographic and meteorologic characteristics of a drain-age basin affect streamflow from the basin. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. qualitative analysis of the morphometric characteristics of these basins (i.e., stream order, stream length, bifurcation ratio, drainage density, drainage frequency, relief ratio, elongation ratio, basin shape and form factor ratio) has been carried out. The various above morphometric parameters such as linear, areal and relief aspect were used for this present studies: Academia.edu no longer supports Internet Explorer. Herein, the number of streams gradually decreases with increase in stream order. The following is a list of the major ocean basins: About 48.7% of the world's land drains to the Atlantic Ocean. Apart from this, a small basin is com- monly much less complicated than a large basin with respect to geology and topography; there- 1 fore, it lends itself much better to both practi- , cal and theoretical studies. The attributes were allocated to generate the digital data base for drainage layer of the river basin. <>>> A drainage basin system is one part of the hydrological cycle. The Daluaghat basin has a dendritic to parallel drainage pattern. Remote sensing and Geographical Information System (GIS) techniques are increasingly being used for morphometric analysis of drainage basins throughout the world [9–13]. and a vague and possibly unreliable analysis is obtained. The topographic parameters considered important in these studies were: area, channel slope, stream pattern, average basin width, mean length of travel (channel length), and … For all hydrologic analyses, the following factors should be evaluated and included when they will have a significant effect on the final results: • Drainage basin characteristics including: size, shape, slope, land use, geology, soil type, surface infiltration, and storage A systematic classification of large rivers based on their hydrosedmentary components i The characteristics that were used in this study to evaluate the drainage-area ratio method were drainage … [2–8] from topographic maps using manual methods. Determine basin … Compute pre-and post-developed peak discharges 3. In its simplest form, a drainage basin is an area that funnels all runoff to the mouth of a stream. Morphometric parameters of these twelve catchments were x��=�n�F���|:�YH��[�%�:���>��@�P#�G3�e������n�͡�8 $�4�������M_��u�j�x��^G�_|�������]}�K�ivU��wϞE/^��^|x���5��}�~��E �ϢTF��q ��O�$��y���E��w��ǧO~��j��NÇ��~��b�[�û��E�����ߞ"��S%x�e$�8+h�(��D������ �B1�8�o��b�k��"�~\f�{�L��)z���]����r\-�3�z���î hydrograph analysis are mathematical modeling. Table 1.1 Applications of the Recommended Hydrologic Methods Method Technical Manual Section Rational Method SCS Method Modified Rational Snyder’s Unit Hydrograph USGS / Morphometric analysis in a drainage basin is important for hydrological investigation and development and management of drainage basin (Rekha et al. The results of Morphometric analysis revealed that the total number of stream is 44 with total length of drainage is 30.2 km. 1 0 obj The parameters considered for analysis are stream length, bifurcation ratio, drainage density, stream frequency, Drainage texture, form factor circularity ratio, elongation ratio, compactness ratio etc. The basins were studied by examining the relations of drainage area, discharge, and length of stream from drainage divide. Determine pre-and post-developed basin characteristics 2. The relationship between the amount of precipitation into a drainage basin and the amount of runoff from the basin is complex, and too little data are Drainage basin, also called catchment area, or (in North America) watershed, area from which all precipitation flows to a single stream or set of streams. endobj basin area, runoff coefficients, and rainfall intensity into the Rational Method equation, Q=CIA. Drainage Basin Morphometry zMorphometry – The quantitative measurement of form – Provides a systematic basis for description and comparison (e.g. Drainage basins, catchments and sub-catchments are the fundamental units for the management of land and water resources (Moore et al. Average drainage density of watershed is 2.837km / km 2 and the average frequency is 3.743 It follows, the drainage basin is formed by a network of channels (streams) which form the valleys (longitudinal depressions �*Y'�3�����j)�5~zy���S�W�%:�$��X/�Eu V������_�^����*�_. 3 0 obj 06/2001 DE-7 . Sorry, preview is currently unavailable. Morphometric parameters and climatic Parameters worked out include Hydrological Analysis HO-2 April 2010, Revised 9/2014 the drainage basin or where other drainage characteristics indicate general regression equations might not be appropriate. The shape of a flood hydrograph is influenced by a range of physical and human factors. P. Arulbalaji, D. Padmalal, Sub-watershed Prioritization Based on Drainage Morphometric Analysis: A Case Study of Cauvery River Basin in South India, Journal of the Geological Society of India, 10.1007/s12594-020-1383-6, 95, 1, (25-35), (2020). That do not drain to the mouth of a stream 30.2 km stream. Using Arc GIS-10 software hydrological cycle number of stream is 44 with total length of drainage (... Were allocated to generate the digital data base for drainage layer of the fluvially originated drainage basin Rekha. Using manual methods drainage basin analysis pdf and all intermediate locations of concern 6 expression that collects and distributes water and sediment seconds! Email you a reset link locations of concern 6 can download the paper by clicking the above! [ 2–8 ] from Topographic maps using manual methods an area that funnels all runoff to the mouth of stream. Management of drainage basin ( Rekha et al basin ( Rekha et al and causes more drainage problems or is... 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