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1D vs 2D Flood Modeling: Key Differences, Applications and How to Choose

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Flooding is not simply about how much water enters an area. Understanding where the water travels, how quickly it moves, how deep it becomes, and which structures or locations may be affected is equally important. This is why modern flood studies rely on hydraulic and hydrological modelling to understand flood behaviour before it creates serious risks for people, property, infrastructure, and development projects. One of the most important decisions in a flood study is Choosing Between 1D and 2D Flood Modeling . The right approach depends on the river geometry, terrain, drainage pattern, project requirements, available data, and the level of detail required from the study. In some locations, 1D modelling provides an efficient and reliable solution, while complex floodplains and urban environments may require 2D modelling. What Is 1D Flood Modeling? One-dimensional flood modeling calculates water movement primarily along a defined flow path, such as a river, canal, drain, or channel. T...
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Bhuneer NOC: Everything You Need to Know Before Applying

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Groundwater is an important resource for industrial facilities, commercial establishments, infrastructure projects, institutions, and other developments where a reliable water supply is required. However, groundwater extraction is regulated to ensure that available resources are used responsibly and that excessive abstraction does not affect long-term availability. Before starting a project that involves groundwater extraction, it is important to understand whether regulatory approval is applicable, what information must be submitted, and which technical measures need to be implemented. A Bhuneer NOC forms an important part of this process for eligible projects regulated under the groundwater approval framework. What Is a Bhuneer NOC? A Bhuneer NOC is an approval associated with regulated groundwater abstraction. It provides a framework under which eligible project proponents can obtain permission for groundwater extraction while following specified conditions related to water usage, ...
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Flood Modelling: From Catchment Analysis to Risk Mapping

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Flooding is one of the major natural hazards that can affect residential areas, industrial developments, agricultural land, roads, drainage networks, and critical infrastructure. Rapid urbanisation, changing rainfall patterns, inadequate drainage capacity, and development in flood-prone areas can increase the potential impact of flood events.  For this reason, understanding how water behaves during heavy rainfall and extreme flow conditions is important for safer planning and infrastructure development. Flood Modelling provides a scientific approach to analysing water movement, identifying vulnerable locations, and supporting effective flood risk management. What Is Flood Modelling? Flood Modelling is a technical process used to simulate how rainfall, runoff, and water flow behave across a defined geographical area. It combines information such as rainfall data, topography, drainage characteristics, river or stream conditions, land use, soil properties, and catchment behaviour to ...
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Hydrological Survey in Rajasthan: A Practical Guide for Water and Groundwater Planning

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Rajasthan has highly varied terrain, climate conditions, and groundwater characteristics. From desert areas in the west to hard-rock formations and alluvial plains in other parts of the state, water availability can change significantly from one location to another. This makes proper site investigation important for projects that depend on groundwater, surface water, drainage, irrigation, mining, infrastructure, or long-term water planning. A hydrological survey practical guide helps evaluate the water-related characteristics of a project area and provides technical information that can support better planning. Instead of depending only on general assumptions about groundwater or rainfall, a site-specific investigation considers local geological conditions, water availability, drainage behaviour, recharge potential, and other factors relevant to the project. Why Is a Hydrological Survey Important in Rajasthan? Water conditions in Rajasthan are not uniform. A method that works effectiv...
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Bhuneer NOC for Groundwater: Process, Rules & Key Requirements

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Groundwater is an important source of water for industrial units, commercial establishments, infrastructure developments, institutions, and several other projects. Where groundwater extraction is regulated, obtaining the required approval before abstraction is an important part of project planning and environmental compliance.  The approval process involves documentation, project assessment, water demand evaluation, and implementation of groundwater management measures. A bhuneer noc is processed through the designated online system under the Central Ground Water Authority (CGWA).  Applicants are required to provide accurate information about the project, proposed groundwater abstraction, site location, existing or proposed abstraction structures, and measures planned for groundwater conservation. Proper preparation of technical and statutory documents can make the application process more organized and reduce the possibility of delays caused by incomplete information. What I...
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