Ishtiyaq Ahmad

National Institute of Technology Raipur | NIT Raipur · Department of Civil Engineering

This paper aims to develop a rainfall-runoff hydrological model for the Hasdeo River basin which is tributary of the Mahanadi River, Chhattisgarh, and Aghanashini River, Karnataka, to examine how rainfall affects surface runoff and peak discharges. In this study, the basin is delineated from DEM in HEC-GeoHMS as an import data for HEC-HMS model. La...

India’s major issue is water scarcity and security. To deal with these issues, proper management plans and strategies are required. To diminish the adverse impacts and improve the benefits of water depletion for citizens, a strong knowledge of hydrological processes at basin level is required. Water professionals currently lack a mutual framework t...

The study focuses on assessing the DBSCAN-based cluster analysis to obtain a quantile with a minimum or low error (AR bias and R-RMSE). Prior to assessing the DBSCAN technique for regionalizing precipitation, the Mahanadi River basin was examined for the spatiotemporal characteristics of precipitation records. An application of the Modified Mann-Ke...

Soil erosion and sediment deposition in the reservoirs are both consequences of the change in precipitation pattern that has been observed over the past decade. For the purpose of storing water in reservoirs built before the 1980s, the Indian state of Chhattisgarh has a few irrigation projects. As the state has grown, agricultural land has increase...

The variability of the Indian Summer Monsoon Rainfall (ISMR), lasting from June to September, has a major impact on the Indian economy and ecosystem. An attempt to assess the temporal fluctuation of ISMR with the long‐distance interaction indicators has been presented here. This also corroborates the argued statement of a weakening relationship bet...

Long-term historical data and their interpretation are crucial aspects of understanding any kind of variation that exists as a result of changing environmental behaviour. The focus of the study is to characterize precipitation properties in the middle subdivision of the Mahanadi River basin (MRB). An eigen-based technique, also known as the maximum...

The agricultural activities contribute to the largest share of water consumption in the arid and semi-arid basins. In this study, we demonstrate the application of Water Accounting Plus (WA+) for estimation of the green water consumption (ETGreen) and blue water consumption (ETBlue) for assessing the water productivity (WP) and land productivity (L...

Increased runoff and flood management has become more difficult as a result of climate change and land use change. Hydrological modeling is a crucial and decisive tool to estimate the hydrological process and the water resources availability. This study aims to develop a hydrological model for the Hasdeo River basin which is a tributary of Mahanadi...

The possibility of contaminants percolating and diffusing into the groundwater system is referred to as groundwater vulnerability. When groundwater once gets polluted it is very difficult to process/clean it so, measures must be taken to assess the vulnerability of the groundwater for effective groundwater conservation and management planning. This...

The study focuses on interpreting precipitation characteristics for assessing variability (time behavioral change) in the Seonath River basin. The Maximum loading value (MLV) approach, an eigen-based spatial pattern analysis, is presented to process grid-based monthly precipitation data of 0.25° × 0.25° resolution. The meteorological records of 117...

Measurements of drainage basins and its parameters were evaluated earlier using conventional methods. At present, Geographic Information System (GIS) technique along with Remote Sensing data offers a better and precise way in performing morphometric analysis. Morphometric analysis of a watershed provides a quantitative description of a drainage sys...

An eigen-based technique for sequential spatial pattern analysis, an application of PCA (Principal component analysis), is presented here. The analysis examines the spatial distribution of precipitation in the Mahanadi River basin. The spatial (S) mode of sequential spatial pattern analysis with the application of the maximum loading value of retai...

The study focuses on the estimation of a technique, a method for developing a phenomenon, to obtain a quantile with minimal or low error (AR and R-RMSE bias). To arrive at such a solution, a case study of the Mahanadi River system (Mahanadi Basin) was conducted along with the integration of various techniques available in past and present literatur...

The purpose of this study is to evaluate groundwater contamination vulnerability in the Raipur region using a Geographic Information System (GIS) based model. Researchers have worked on this method in the past, but none attempted to apply this method to the Raipur region. Various hydrogeological layers of the model i.e., water table depth, unsatura...

In recent years water demad has been increased due to a large population base, continued population growth and climate change uncertainties. To deal with issues of water management, quantification and estimation of different hydrological components are important. This study investigates hydrological parameter estimations using a semi-distributed ph...

Purpose: To study the homogeneity and precipitation characterization of the subdivisions of the Mahanadi River basin, India. Methodology/Approach: Precipitation characterization was studied using spatial pattern analysis (Eigen-based technique), approaching principal component analysis and keeping three equal timeslot segments for better understan...

Purpose: The purpose of the study is to assess the non-uniformity in precipitation patterns spread over the lower Mahanadi River basin (LMB). Methodology/approach: Characterization of precipitation patterns was studied using an Eigen-based spatial pattern analysis resembling PCA (Principal component analysis). Pattern identification using DBSCAN (D...

Development of conceptual model is an important step for dealing with the simulation of real-world problems. In this study, a conceptual model has been developed using GMS (Groundwater Modeling system) software 8.0 utilizing the MODFLOW module for calculating the groundwater head at different points. Conductance values, recharge values, porosity, h...

Eigen-based sequential spatial pattern analysis an application of PCA is presented here. The analysis examines the spatial distribution of precipitation over the Mahanadi river basin. The Spatial(S)-mode of sequential spatial pattern analysis with the application of Maximum loading value of rotated retained principal component (also referred to as...

The impacts of flooding in our societies needed most cost-effective adaptation measures that must be selected by considering site condition. In this paper, flood mitigation measures in a micro catchment has been performed by coupling Hydrologic and Hydraulic model developed by Hydrologic Engineering Center-(HEC). The objective of this study is to s...

In order to carry out hydrological and climatological characteristics of a region that is far apart or completely isolated which goes away from the gauging network, and on other hand it becomes a part of watershed or catchment area under consideration for the purpose of any hydraulic structure analysis. This can be resolved by means of regionalizat...

In developing country like India, water management is growing exploding and all these water resources should maintain in the developing countries. There are many failures in the urban water system occur because of lack of assessment of present and future conditions. This needs a performance assessment method to assess performance and inform any irr...

Global warming threatens the hydrological cycle, resulting in parched dry season and inferable from its serious impact on profitability of downpour sustained crops. Drought is considered to be one of the most complex natural hazards, affecting large community of people. The effect of drought can be minimized when the decision makers are equipped wi...

The research objective to analysis the urban water system (UWS) includes water treatment and distribution, wastewater collection, treatment, and disposal for Raipur city of Chhattisgarh state in India. The city has a dry tropical climate and a warm summer. Developing city is being under pressure due to rapid population expansion, urbanization and i...

Chhattisgarh State of India is bestowed with rich water resources, and about 80% of the rainfall occurs during four monsoon months from June to September. Because of time and spatial variability of rainfall, a number of water storages have been constructed to tap the available water so that it can be utilized in accordance with requirement. Sheonat...

The urban water system is a complex and dynamic for planning of an integrated framework. This paper illustrates Analytical Hierarchy Process (AHP) technique as a decision-making tool for the municipality’s urban water based on four different criteria i.e. economic, environmental, social, and sustainability to support stakeholders and water utility...

One of the important objectives of water resources planning is to tap the maximum possible water available in the river basin that can be utilized particularly during the period of drought. This can be materialized by creating water storage structures. For this purpose initially, the first task could be the identification of suitable site for creat...

Over the past century urban water system of developed and developing cities are under increasing stress as water dearth. The estimation of possible solutions for water management in megacities requires the spatially distributed dynamic and grid-based replication of the evolution of public water infrastructure under consideration of changes (e.g. cl...

Groundwater is one of the major available fresh water in our country. Due to its over exploitation, fulfilling the demands for domestic, agricultural and industrial purpose, groundwater level is falling very rapidly day by day especially during summer season in arid and semi-arid regions, leading to water scarcity problems. The present paper covers...

Soil erosion is one of the most common land degradation problem in the worldwide, which is associated due to various hydrological factors like wind, water etc. Its very essential to assessment and mapping of erosion prone area for management of watershed and soil conservation. Several models have been developed to estimate soil erosion and compute...

Overland flooding is generally a cause of extreme rainfall events or changes in hydrological response from the rivers or streams. Anthropogenic activities such as land use and land cover changes as construction/alteration of natural streams are also causes of flooding. Flood leads to losses of lives and properties. Therefore it becomes necessary to...

The basic principle of watershed management is the management of various sources of water by collecting, storing and utilizing in a sustainable manner. Surface water can be stored by constructing suitable storage structures. In the present study an attempt is made to determine the suitable site for water storage in Sheonath river basin using remote...

An application of remote sensing and geographic information system (GIS) has become one of the essential techniques in the field of hydrogeological science that helps in assessing, monitoring, conserving, and managing groundwater resources. In the present study, modified DRASTIC model has been used to access the groundwater vulnerable zone of Kharu...

At present century each city needs security of water to meet the future challenges arises due to the population growth, urbanisation, economy, latest technologies, energy demands and climate change. This will need a sustainable urban water management modelling which becomes a powerful tool in evaluating the probable water in urban areas. The new ap...

The objective of the study is to simulate the daily runoff depth using remote sensing data and geographic information system (GIS) technique. Hydrologic Modeling System (HMS) has been applied to simulate the runoff potential. The USDA Soil Conservation Services Curve Number (SCS-CN) loss model has been used for computing the daily runoff depth of S...

Drought is a natural anomaly experienced when circulation pattern get blocked in one phase, or push outside their normal residence time of variation. The assessment of drought impact on agricultural land in Upper Seonath Sub-basin is essential for making mitigation plan to reduce the impact of drought. The study has been conducted in Upper Seonath...

Environmental protection is an approach to protecting our environment against various threats. These threats are either man-made or natural. Anthropogenic threats are pollution made by dumping of solid waste over land & water and natural threats are due to floods, sea water intrusion, etc. Protecting our environment from these threats is a major co...

India is bestowed with rich water resources; rainfall is one of the main sources of water. Because of time and spatial variability of rainfall, a number of dams have been constructed all over the country to tap the available water resources so that this water can be utilized in accordance with the requirements of mankind. Proper management of the r...