Hydro-morphometric characterization and prioritization of sub-watersheds for land and water resource management using fuzzy analytical hierarchical process (FAHP): a case study of upper Rihand watershed of Chhattisgarh State, India

Abstract

Rihand reservoir is continuously experiencing siltation due to erosion in upper basin; thus study of morphometric-based prioritization of sub-watershed has become prerequisite for implementation of measures for conservation of soil and water resource. In present study an attempted has been made to analyze characterization and prioritization of sub-watersheds in upper basin of Rihand watershed based on hydro-morphometric parameters, in an environment of Geographical Information System (GIS), with the help of Multicriteria Decision Making through Fuzzy Analytical Hierarchy Process (FAHP) techniques in order to identify critical sub-watersheds for conservation and management of soil and water resource. The morphometric characterization has been done through measurement of linear, areal and relief aspect of over seven sub-watersheds using SOI topographical sheet and SRTM data with the help of Q GIS 3.10 and White box software. In the purpose prioritization of sub-watersheds FAHP method has been implemented through assigning fuzzy membership function to each of 15 morphometric parameters by deriving their relationships with erosional hazard and criterion weight has been obtained using Saaty’s (Fundamentals of decision making and priority theory with analytical hierarchical process, RWS Publications University of Pittsburgh, Pittusburgh, 1980) proposed method. Based on prioritization approach the entire sub-watershed has divided into 3 vulnerable zones, i.e., high, medium and low. This study reveals that about 29% area of the watershed is falls under high vulnerable zone as they obtained high priority value and required immediate measures. In addition, ideal locations for measure structure to prevent soil erosion and maximize infiltration has been proposed which will be useful to the decision maker for land and water resource conservation, management, and sustainable agricultural development.

Morphometric Determination and Digital Geological Mapping by RS and GIS Techniques in Aseer–Jazan Contact, Southwest Saudi Arabia

“…This study also confirmed Horton's law of Nu [19]; there is an inverse geometric correlation between stream order (u) and the logarithmic scale of Nu throughout the study region (Figures 9 and 10). This inverse relationship is consistent with research conducted in India's Varah River basin and the upper Rihand watersheds [56,57]. The final variation is determined by the watershed's physiographic variation and structural condition [58].…”

Design and Application of Land Resource Management System Based on Internet of Things

“…where p m represents the transmission power of the DS device, d m represents the packet size uploaded by the DS device to the base station, t max m represents the minimum delay requirement of the device, and the maximum value of t max m will not exceed T max . On the contrary, non-DS equipment only requires data packets to be successfully uploaded to the base station without delay requirements, which can be described as fp u , d u g, u ∈ U, where p u represents the power of the transmission equipment and d u represents the size of data packets to be uploaded by the equipment [11]. Next, we will focus on the system modeling in this scenario, that is, communication model and subcarrier allocation model.…”

Influence des paramètres hydro-morphométriques sur l’écoulement des eaux des sous-bassins versants de la Tshopo, République démocratique du Congo

“…Dans le processus de délimitation des sous-bassins versants de la Tshopo à partir du Modèle Numérique de Terrain (MNT), nous avons considéré conformément à la hiérarchisation de (Strahler [18]), les sous-bassins versants d'ordres (5, 6 et 7) comme étant les plus représentatifs pour les analyses hydro-morphométriques quantitatives, car les petits bassins versants d'ordres (1,2,3 et 4) affichent généralement une distribution spatiale non équilibrée des cours d'eau sur les deux rives de leurs principales rivières. L'approche spatiale multicritère basée sur le SIG pour la caractérisation des micro-bassins versants, telle qu'illustrée par les travaux de Balasubramani et al [24], Jain et al [25], Ghosh et al [26], s'est révélée être un outil précieux pour mieux appréhender la topographie, la répartition des eaux et d'autres aspects importants des bassins versants. Les travaux réalisés par Ganie et al [27], Ganie et al [28] ont utilisé les outils SIG pour effectuer une caractérisation hydro-morphométrique et une hiérarchisation des bassins versants.…”