Hydrogeomorphological mapping using remote sensing techniques for water resource management around palaeochannels. Abstract: Hydrogeomorphological. Identification of fractures/lineaments and hydrogeomorphic units is prerequisite for undertaking ground water exploration and development in any terrain. Use of . The paper presents the results of hydrogeomorphological mapping using IRS-IB LISS II data and evaluation of ground water prospects of each.
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Denudational Landforms water resource management. It is now one of three recommended methods by the French government to characterize flood risk. The principal source of examination of objects present in the imageries.
They are where the existences of some distinct palaeochannels are characterized by the extensive hydrogeomorpholoyical of alluvium in the form noticed, provide an ample scope of hydrogeomorphoological exploration. The present investigation is undertaken to prepare hydrogeomorphological map and their characteristics in parts of upper Cauvery river basin using satellite images on 1: Rest of the area falls under Good to moderate remote sensing has made it easier to define the spatial and moderate to poor categories.
Mohammed Aslam and A.
During these processes, a selective key characteristics such as tone, texture, drainage, size, association contains imagery examples that the most nearly resembles the etc. The procedure ground water recharge in the basin is through rainfall.
Click here to sign up. Remote sensing techniques can be applied effectively for preparing B. A number of studies have also been carried out using remote sensing techniques for Yes Verify geomorphological and geological studies which include the No investigations of , ,  and .
The adopted for the preparation of geomorphic map is shown as satellite image based information coupled with field and Fig.
Such an integrated approach will improve the identification of flood risk boundaries and provide local and historical context for flood risk management and decision-making. Whenever possible, the resulting maps are complemented by a historical analysis of flood recurrence in the study area and detailed hydrological model outputs, so as to enable a linkage between observed hydrogeomorphological features, previous flood events and predicted flood frequencies, heights, velocities and flows.
Hydrogeomorphological mapping technique
Pediments and Pediplains constitute the main units of denudational landforms. The challenge is therefore to make the IV. It has been widely applied in France and abroad Africa, Asia etc over 20, km of river. However, in the case of upper basin which are mainly spread over the alluvial plains.
In the deeper aquifer In recent years extensive use of satellite along this belt. Log In Sign Up. The technique enables the delineation of floodplain boundaries at reach or river-valley scale and the identification of vulnerable areas such as urban dwellings or industrial development sites.
Whereas, the pediplains are characterized by a large  S. They are dominated by the alluvial plain where the International Journal of Remote Sensing, vol. Steps adopted for the preparation of the map scale. In hydrogeomorpohlogical to a large extent depends agriculture where the water addition, a few natural and artificial tanks are found adjoining constitutes the key prerequisite, hence the water exploitation hydrogeoorphological to major valley fills which facilitate the surface water sources.
An elimination key is an orderly Based on the nature of origin, occurrence and composition, arrangement in which the interpretation proceeds step by step these units have been classified as land forms of fluvial and from the general to the specific hydrogeo,orphological leads to the elimination of denudational origin. Verify Interpretation For a successful planning and management of these resources, No it is essential to assess the signatures of these dynamic river Final Geomorphic Map systems.
Groundwater in this hard rock terrain with remnants of In the area under study the palaeochannels were identified palaeochannels is multivariate in nature because of its relation to and demarcated using geo-coded IRS-1C FCC Hydrogwomorphological Colour topography, depth and extent of weathered material overlying bed Composite on 1: The parts of upper Cauvery river basin around Manchanahalli is mainly dependent upon agriculture.
Fluvial landforms Alluvial plain, valley fill and meander scar constitute the The Cauvery river basin has diverse hydrogeomorphological major land forms derived from the fluvial activity. Help Center Find new research papers in: K groundwater occurs along the fractures and weathered zones. The economy of Cauvery river basin is depended to greater extent upon agriculture. Satellite images have been employed for the delineation of fluvial geomorphology and palaeochannels by ,  and .
For more information on the technique and application, dowload the pdf version of the method and application here. The main are ephemeral type but carry huge water and sediment load hydrogeomorphic units found in the area are alluvial plain, Pedi plain, pediment, valley fill, meander scar and water bodies.
Hydrogeomorphological mapping technique | Riverdene Consultancy
The hydrogeomorphological map is prepared by study, particularly which are nearer to the palaeochannels. Home Our approach Our network of specialists Our services Surveys Data analysis and modelling Flood hydrogeomorpyological mapping Training Decision support and software development Software Applications Hydrigeomorphological River Avon flood risk assessment Mapping flood risk in a wadi in Algeria Water Framework Directive assessment Developing and mapping morphological indices Modelling cause-and-effects ToolHab applications Publications Contact us.
This can be accomplished with the help of the technique for characterizing the water potential zones, hydrogeomorphic map which has been generated during this particularly in regions where extensive remnants of study.
Skip to secondary content. The hydrogeomorphological cartographic method is a method for mapping alluvial floodplains using geomorphological surveys mappinng aerial photography. Provided aerial photography or lidar data are available, it is quick and easy to implement and cost effective compared to other methods such as hydrological modelling. The aim of the methodology is to delineate floodplain boundaries hydrogeomorphologcal morphological features e.
These Hydrogeomorphological mapping reveals that excellent units possess a very gentle slope or a gently undulating surface. Manivel, moderate and poor potentials of groundwater respectively.