Morphometric Analysis of River Basins Using GIS as a Basis for Peak Discharge Calculation. Case of Study: Pre-Andean Section of National Route 150, Argentina

2019 ◽  
pp. 129-135
Author(s):  
María Yanina Esper Angillieri ◽  
Oscar Mario Fernández ◽  
Miguel Pereyra ◽  
Carla Ginesta Torcivia ◽  
Natalia Ríos
Keyword(s):  
Morphometric Analysis ◽  
River Basins ◽  
Peak Discharge

scholarly journals River discharge prediction for ungauged mountainous river basins during heavy rain events based on seismic noise data

2021 ◽  
Vol 8 (1) ◽  
Author(s):  
Shakti P.C. ◽  
Kaoru Sawazaki
Keyword(s):  
River Basin ◽  
Seismic Noise ◽  
River Discharge ◽  
Heavy Rain ◽  
River Basins ◽  
Peak Discharge ◽  
Discharge Data ◽  
Noise Data ◽  
Rain Events ◽  
Mountainous River

AbstractSeveral mountainous river basins in Japan do not have a consistent hydrological record due to their complex environment and remoteness, as discharge measurements are not economically feasible. However, understanding the flow rate of rivers during extreme events is essential for preventing flood disasters around river basins. In this study, we used the high-sensitivity seismograph network (Hi-net) of Japan to identify the time and peak discharge of heavy rain events. Hi-net seismograph stations are distributed almost uniformly at distance intervals of approximately 20 km, while being available even in mountainous regions. The Mogami River Basin in Northeastern Japan was selected as a target area to compare the seismic noise data of two Hi-net stations with the hydrological response of a nearby river. These stations are not located near hydrological stations; therefore, direct comparison of seismic noise and observed discharge was not possible. Therefore, discharge data simulated using a hydrological model were first validated with gauging station data for two previous rain events (10–23 July 2004 and 7–16 September 2015). Then, the simulated river discharge was compared with Hi-net seismic noise data for three recent events (10–23 July 2004, 7–16 September 2015, and 10–15 October 2019). The seismic noise data exhibited a similar trend to the time series of simulated discharge in a frequency range of 1–2 Hz for the selected events. Discharge values predicted from the noise data effectively replicate the simulated discharge values in many cases, especially the timing and amount of peak discharge.Simulated and predicted discharge near NIED Hi-net seismic stations in the Mogami River Basin for the event of October 2019 (Typhoon Hagibis).

Geomorphic response and paleohydrology of a debris flow event in the upper Ganga River basin, NW Himalaya

2021 ◽  
Author(s):  
Rahul Devrani ◽  
Rohit Kumar
Keyword(s):  
Debris Flow ◽  
River Basin ◽  
River Basins ◽  
Google Earth ◽  
Peak Discharge ◽  
Ganga River ◽  
Nw Himalaya ◽  
Landscape Modification ◽  
Geomorphic Response ◽  
Himalayan River

<p>Debris flow events are recognized as one of the most prominent mechanisms for landscape evolution in the Himalayan river basins. Triggered by cloud bursts, glacial and landslide lake outburst floods; debris flows can erode, transport and deposit vast amount of sediments with profound landscape changes. The Himalayan river basins frequently experience such debris flow events during the monsoon. However, only a few morphological and hydrological studies are available for such events. Hence, we studied a high-magnitude, low-frequency debris flow event in the Asiganga River basin (a headwater tributary of the Ganga River) on 3<sup>rd</sup> August 2012.</p><p>In the present study, we (i) computed landscape change during the event and (ii) calculated the paleohydrology of the event. The pre and post geomorphic mapping is carried out using satellite imageries (Google Earth), field data, and published literature to analyze landscape modification/change. The paleohydrology of the event is calculated using dimensions of 440 mobilized stream boulders at 11 locations in the Asiganga River basin. Our results suggest that the Asiganaga River’s reaches encountered sediment deposition and erosion on a massive scale; especially in the lower terrace levels. Channel shifting and widening was also a dominating geomorphic response, and it occurred in different magnitude along the course of the Asiganga River. A significant alteration trend is observed in sediment bars, especially in the reaches, which were exceedingly influenced by morphological and hydraulic parameters. The peak discharge is calculated using D95, D90, D85, and D80 of the mobilized stream boulders. Overall, the calculated highest peak discharge is around 4500 m<sup>3</sup>s<sup>-1</sup>. Interestingly, the peak discharge from D90 yielded the value of 2661 m<sup>3</sup>s<sup>-1 </sup>, and it corresponds with the peak discharge (i.e., 2665 m<sup>3</sup>s<sup>-1 </sup>) measured using an instrument based previous study. </p><p>In the Himalayan River basins, documentation of such debris flow events is crucial. Such studies will provide a unique database to study river sensitivity towards future debris flow events.</p>

Morphometric Analysis of Baner, Neogal and Awa River Basins, Himachal Pradesh, India

2022 ◽  
Vol 98 (1) ◽  
pp. 125-132
Author(s):  
Ravi Sharma ◽  
Rajwant ◽  
Yudhbir Singh ◽  
Neelratan Singh ◽  
Rameshwar Sangra
Keyword(s):  
Morphometric Analysis ◽  
River Basins ◽  
Himachal Pradesh

Morphometric analysis of river basins using GIS and remote sensing of an Andean section of Route 150, Argentina. A comparison between manual and automated delineation of basins

2017 ◽  
Vol 34 (2) ◽  
Author(s):  
María Yanina Esper Angillieri ◽  
Oscar Mario Fernandez
Keyword(s):  
Remote Sensing ◽  
Morphometric Analysis ◽  
River Basins ◽  
Gis And Remote Sensing ◽  
Sistemas De Informacion

Se presenta un análisis morfométrico de cuencas en los Andes Centrales del oeste de Argentina, mediante el uso de Sistemas de Información Geográfica y sensores remotos. La correcta identificación de cuencas resulta prioritaria en numerosos estudios como el manejo de inundaciones, manejo de aguas, protección de cuencas, preservación y planificación de recursos hídricos. Si bien el análisis automático de cuencas es una herramienta de uso común, no se es muy aplicado en estudios de cuencas Argentinas. En el presente estudio se han delineado exitosamente 17 cuencas mediante el método automático y modelos digitales de elevación (MDE), en una sección de la ruta International 150. Estas 17 cuentas delineadas se compararon posteriormente con aquellas cuencas delineadas manualmente. La delineación automática se compara muy bien con las delineaciones manuales, generalmente siguiendo las divisorias de agua, además mediante el método automático se reduce notablemente la carga de trabajo incluido el reprocesamiento y la edición. Estadísticamente, la diferencia absoluta entre las áreas delimitadas automáticamente y derivada manualmente fue del 5.29 por ciento, en promedio, en un rango de 0.50 a 13.83 por ciento. Finalmente, se realizó un análisis de descarga máxima. Las ligeras diferencias en algunos resultados fueron irrelevantes, al considerar la cantidad de recursos y el tiempo ahorrado con las técnicas automatizadas.

Morphometric analysis of the Ladhiya and Lohawati river basins, Kumaun Lesser Himalaya, India

2012 ◽  
Vol 56 (2) ◽  
pp. 201-224 ◽  
Author(s):  
K. K. Agarwal ◽  
Chandra Prakash ◽  
S. Nawaz Ali ◽  
Nigar Jahan
Keyword(s):  
Morphometric Analysis ◽  
River Basins ◽  
Lesser Himalaya ◽  
Kumaun Lesser Himalaya

Status of GIS-enabled morphometric analysis of river basins of Kerala, Southern India: A review and assessment

2021 ◽  
pp. 101792
Author(s):  
Anish A.U. ◽  
Baiju K.R. ◽  
Praveen Kurian Thomas ◽  
Milan Anns ◽  
Rajkumar P.B. ◽  
...  
Keyword(s):  
Morphometric Analysis ◽  
River Basins ◽  
Southern India

scholarly journals Morphometric Analysis of the Marmara Sea River Basins

2018 ◽  
pp. 63-84 ◽  
Author(s):  
Emre ELBAŞI ◽  
Hasan ÖZDEMİR
Keyword(s):  
Morphometric Analysis ◽  
River Basins ◽  
Marmara Sea

scholarly journals Morphometric analysis of the Crimean river basins relief by using GIS

2021 ◽  
Vol 27 (2) ◽  
pp. 218-232
Author(s):  
Anastasiya Narozhnyaya
Keyword(s):  
Morphometric Analysis ◽  
Water Conservation ◽  
River Basins ◽  
River Network ◽  
Nature Management ◽  
Soil Conditions ◽  
Crimean Peninsula ◽  
Average Value ◽  
Shuttle Radar Topographic Mission ◽  
Soil Deflation

It is planned to develop projects of basin nature management for the Crimean peninsula. The characteristics of the relief within the river basins is an important stage in the pre-project justification. ArcGIS 10.5 is used for research. The tools of the subset “hydrology”, “Surface”, “Zonal”, “Algebra of maps” made it possible to create morphometric characteristics of the relief, and their visual representation in the GIS environment made it possible to establish spatial patterns and substantiate soil-water conservation measures. Shuttle radar topographic mission with a resolution of 3 arc seconds is selected as input data. Its resolution is consistent with the scale of the study. The morphometric analysis of the relief of 1534 different-order basin structures showed that the height of 64 % of the 3–6-order basins does not exceed 300 m; for them, five steps of vertical dissection of plain territories have been identified. 37 % of the basins are vertically divided into high-mountainous areas. In the plain part of Crimea, where deflationary processes are developed, the average slope steepness is 1°, basins with transversely straight longitudinal-straight slopes prevail, the linear boundaries on which can be rectilinear. In the foothill areas under conditions of agricultural use, soil deflation is added to the processes of water erosion caused by the presence of long slopes with a steepness of more than 3° with the values of the relief factor (LS) exceeding 2, and in some agricultural basins the average value of the relief factor is close to the critical value—4.3. Transversely convex slopes prevail in these territories, here it is necessary to design contour linear boundaries. The density of the river network is on average—0.11 km/km2 in the mountainous part of Crimea, but due to climatic, geomorphological and soil conditions, the redistribution of sediments occurs in the upper link of the erosion network (more developed on the territory of the peninsula). the density of the river network does not exceed 0.2 km/km2 in the flat part of the Crimea. Morphometric analysis of the relief allows describing the hydrogeomorphology of the river basin, identifying the causes of erosion, and substantiating the functioning of ecosystems.

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